System Design and Technical Documentation · System Design and Technical Documentation 602-610...

System Designand

Technical Documentation

602-610 Mamaroneck Avenue, White Plains, NY, 10605, www.ada-usa.com, 1-800-HD-AUDIO, Fax (914) 946-9620

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An Introduction to Silk

For nearly 25 years, Audio Design Associates has been creating terminology that would someday be used by an entire industry. From such common phrases as “multi-room audio system”,“source component”, “multi-source system”, “music control”, “media room”, and “multi-channelhome theater power amplifier”, to the latest expression “house-wide multi-channel audio”, ADAhas helped an industry understand its language. Through products that in themselves define thestandard of technology, ADA is proud to introduce a system, that like its predecessors, sets thebenchmark, the state-of-the-art Silk.

Basic Setup - Single Room Theater

To understand Silk, one must begin by thinking of Silk as nothing more than a super-advancedhome theater preamplifier. In its basic configuration, Silk is just that.

Front Panel Touch ScreenThis 7 inch tall (4 rack units) chassis, fea-tures a front panel full VGA color touch-screen for setup and control. However,unlike most any other product touch-screen, Silks front panel features a trueglimpse of the future of integration. Thisparticular panel is in fact a fully containedPC based on flash memory. There are nomoving hard-drives that are susceptible toperiodic crashes. The operating system of this user interface is Mircosoft’s Windows CE thatfeatures many wonderful programs including a version of Internet Explorer.

By connecting an ethernet jack to the Silk’s rear panel RJ-45 connector, you can use the touchscreen to surf the web, email, or shop. Most important, you can use this user interface to el-egantly setup and control the Silk System. When the Silk is turned on, the PC automaticallyboots up and the program developed by ADA to control the Silk begins. For those who worryabout the reliability of a PC, suffice it to say that even if the front panel PC should fail, the SilkSystem will still function to complete perfection.

MADE IN U.S.A.SILK CONTROLLER

POWERON

OFF

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Rear-Panel Card SlotsThe rear panel ofthe Silk featuresa unique array ofcard slots. Thereare three typesof cards avail-able for Silk. TheSilk Audio Input/Output Card, theSilk Video Input/Output Card,and the QuartetCard. In its basic single-room home theater configuration, the Silk will con-tain one of each of these cards.

Silk Audio Input/Output (I/O) CardThe Audio I/O Card permits connection of fifteen audio components. Eightof these components can be analog and the Audio I/O Card includes threebuilt-in digital-to-analog convertors (DACs). The DACs employed in theSilk are the same ones that are used in ADA’s heralded Cinema series hometheater preamplifiers as well as those used in the ATD-6 and ATD-1 (sixsource and single source analog to digital convertors used with the Rhap-sody System). The remaining seven inputs are for digital sources in theform of coaxial (75Ω) cables.

For digital sources that feature only a TOS-Link (optical) output, ADA pro-vides the OTD-3 Optical-to-Digital Coax convertor box. This small non-rackmounted accessory converts up to three TOS-Link digital components tocoaxial cable for input into the Silk Audio I/O Card.

The Silk Audio I/O Card also features three independent analog recordoutputs as well as another three independent digital audio outputs(coaxial). The analog audio outputs permit only pass-through of ana-log inputs, while the three digital audio outputs pass both analog anddigital sources independently of each other.

Silk Video Input/Output (I/O) CardThe Silk Video I/O Card, much like the Audio I/O, handles all forms ofvideo switching including composite video, S-Video, and RGBHV(VGA). It features eight composite video inputs with three indepen-dent composite video outputs. There are also seven S-Video inputswith three independent S-Video outputs. Finally, there are four VGAinputs with four independent VGA outputs.

To maintain the integrity of the video signal path, the Silk Video I/OCard does not feature any up or down video conversion.

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WARNING! Risk Of Hazardous Energy! Make Proper Connections.AVERTISSEMENT! Energie Electrique Dangereuse! Faire Des Connexions

Propres Pour L'Hautparleur. Voir La Notice De Fonctionnement.

CAUTION: Disconnect Supply Cord Before Servicing.ATTENTION: Debrancher Avant Le Depannage.

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TOS-Link Component Connections Using the OTD-3The OTD-3 Triple Optical to Digital Coaxial Convertor is used when source components areemployed that feature only a TOS-Link Optical digital audio output. A single OTD-3 will accom-modate up to three optical digital outputs, converting them to digital coaxial jacks for connectionto the Silk Audio i/O Card.

When using TOS-Link interconnects, please note that the mostbasic optical cables are cut in such a way that tip is a smoothand flat surface. As such, on occasion, the digital data carriedover the optical cable, emits to the receiver and may reflectback into itself. This will disrupt the digital information. The endresult may include audio dropouts or even no audio at all. Forbetter results, ADA suggests using a premium optical intercon-nect that has frosted tips. For the best result, ADA suggestsusing optical interconnects that have rounded tips.

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Quartet Preamplifier CardThe Quartet is more than just a basic preamplifier. It is actually a full surround sounddecoder/preamplifier, capable of decoding Dolby Pro Logic, Dolby Digital (AC-3), DTS,Surround EX, all with THX Ultra Enhancements. In addition to the standard modes justmentioned, there are also modes for non-encoded material including, Hall, Church, andStadium. The Quartet provides complete auto-detection of the encoded material tomake certain that mode changes occur without user intervention.

The Quartet Card features one of the most advanced DPS processing modules to hometheater. Capable of being controlled from either the front panel color touch screen, theADA PC software program, IR, or RS-232, the Quartet Card offers preamplifier optionsthat are truly unique to ADA. While these control options will be discussed later in thisguide, suffice it to say that most any imaginable surround sound options, and then some,is available in the Quartet Card.

The Quartet Card, measuring only 0.9 inches wide,has a single digital coaxial input. The remainingeight RCA outputs are for center, sub, left, right,left surround, right surround, left back surround(back center), and right back surround (back cen-ter). This 7.1 channel preamplifier also features aremovable screw terminal connector that provideslow-voltage triggers for engaging external poweramplifiers when on.

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Digital Audio Input

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Quartet Card Home TheaterFeatures and SoftwareThe Quartet Card features a powerfulDSP that makes it the most adjustablepreamplifier in the market.

A single Unmute/On command en-gages the preamplifier in the QuartetCard. The preamplifier also featurestwo types of mute functions.

The Hard Mute completely drops thevolume in all channels completely off.This is different than the Zone Off func-tion as the amplifiers will remain on.

The Soft Mute function is a wonderfulfeature as it mutes the sound stage toa very low level. While the sound isaudible, it is reduced such that onecould answer the phone or carry on aconversation, while still being aware ofthe sound in the background.

To disengage either the Hard Mute orSoft Mute function, simply engage theUnmute/On command.

The Quartet Card also features fourMaster Recall settings. These settingscontain the systems volume levels.

With four possible settings, one can pre-pare a touch-screen with four volumepresets perhaps including a Low, Me-dium, High, and Extremely Loud button.

Thus the user can select a predeter-mined volume level with just the touchof one button. Setting these levels isaccomplished by pressing the appropri-ate Master Store button.

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The Master Recall settings are the func-tions that are also used for Turn On Pre-set Volume Level. While one optiondoes permit the Turn-On settings toengage as “Last Used”, you will mostlikely wish to have the preamplifier en-gage to preset you determined.

By selecting the Turn-On Preset Up/Dnfunction, you will be able to scroll be-tween Master Recall 1-4 and the LastUsed Option.

The Volume Limiter function is usedto determine the maximum allowable

volume level. This will prevent the sys-tem from playing too loud perhaps caus-ing damage to speakers. By selectingthe Volume Limiter Up/Dn function, youwill be able to increase or decrease theMaximum Volume Level.

The Quartet Card also features threedifferent Volume Command options.The first option raises and lowers vol-ume in 0.5 dB steps one shot at a time.The second raises or lowers volume in0.5 dB steps continuously (moderatespeed volume control). The third op-tion raises or lowers volume in 1.0 dBsteps (high-speed volume control.

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The Quartet Card also permits you topoll the preamplifier for information.Basically, there are several differentUpdate Request functions, from a sin-gular command that updates all of thepreamplifier’s status information, to in-dividual commands that request an up-date for only portions of the preamplifi-ers status. In the software, the redboxes are Update Request commands.As you position the cursor over the but-ton, a yellow box will appear indicatingwhat that particular update request is.Once pressed, the update is automatic.

The Mode tab permits you to select thedesired decoding enhancement.Please note, that PCM, Dolby Digital(a.k.a. AC-3), and DTS are not optionsas the Quartet Card will auto-detect theproper decoding mode without addi-tional instruction. As such, the modefeatures shown here are merely en-hancements to either PCM, Dolby Digi-tal, or DTS encoded material. You willalso be able to see the actual numberof channels that are encoded (i.e. PCM2.0.0.0 or Dolby Digital 3.2.1.0). Finally,for Dolby Digital, you can determine thesetting for Dynamic Range from mini-mum, to medium, to maximum.

One feature truly unique to the QuartetCard is the Parametric Equalizer thattakes place inside the DSP engine.When dealing with a perfectly acousti-cal room, theory would have it that noadditional equalization is necessary asthe room is perfectly designed to play-back the film or sound-track as it wasintended to be heard. However, in thereal world, regardless of all attempts tomake a room acoustical perfect, we stilldeal with less than ideal environments.

The Quartet Card features two sets ofTone Controls, Group A and Group B.

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When you select a Tone Group, you canthen determine which speakers are ac-tive in that group. The second groupcan include different speakers or somespeakers can be in both groups on inno groups at all. For example, becausethe front three speakers are typicallysimilar in a theater, you may wish toengage these speakers on Group A.The surround speakers because of theirlike construction might be placed to-gether on Group B. Each group per-mits you not just to adjust the Bass andTreble Levels (in dB), but also the Fre-quency Point for bass & treble (in Hz).

This powerful feature will permit you tocompensate for a room’s acousticaldeficiencies. Best of all, the equaliza-tion takes place directly inside the DSP.

As you proceed to acoustically calibratethe room, you can save settings by stor-ing the levels in one of the four TonePresets available on the Quartet Card.

As such, touch screens can also be pro-grammed to recall different bass andtreble options based on the type of per-formance. For example, films may beplayed back with heavier bass settingswhile concerts may offer better highs.

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As you would expect with most pream-plifiers, the Quartet features individualChannel Time Delays permitting youto single-point delay an entire room.

To increase or decrease the delay set-ting for a particular channel, simplypress the appropriate up or down but-ton on the associated screen.

The Quartet Card also features Indi-vidual Channel Balances along withfour Balance Presets. This is whereyou determine the level of each chan-nel. This tab also permits you to selec-

tively engage Pink Noise to each chan-nel for ease of calibration. The combi-nation of presets and pink noise allowyou to calibrate channels based on notjust one ideal seating position, butrather, multiple seating positions with ina single room.

To activate Pink Noise select the desiredNoise Channel. At that time, pressingthe channel’s Volume Up/Dn button, willcause that channels noise level to in-crease or decrease accordingly. Usingan SPL meter, one can quickly adjustbalance levels and once set, store theminto one of the four presets.

For example, if a room were to includeboth theater seating, a sofa or love-seat,and throw cushions, you could createthree Balance Presets, each one idealfor one of the three areas. A touchscreen could illustrate a rooms layoutand as the various areas are pressed,the appropriate Balance Recall is ac-cessed.

This feature is ideal for theater environ-ments as well as music only environ-ments where balance levels may varybased on seating positions or areas.

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The Quartet Card also features an ex-tremely flexible Speaker Setup thatwhile set only once, provides functionsnot found most other preamplifiers.

First, you can determine what speakerchannels are active in the room as wellas their size. Small refers to a speakerlacking the ability to play bass informa-tion fully. Speakers set to Small willautomatically roll-off to the specified fre-quency. The bass information for allSmall speakers is summed and com-bined with the LFE (if present) whichare then sent to the subwoofer.

Speakers set to Large, will operate atfull range. Their bass information is notcombined with that of the Small speak-ers and as such, not sent to thesubwoofer.

The Bass Management features of theQuartet Card are extraordinary. Notonly can you determine whether asubwoofer is active on the system, butyou can also determine the Cross-OverFrequency Point. You can also en-gage a Bass Limiter and set the BassLimiter Level which is useful, especiallyfor subwoofers that may bottom out.

The Quartet Card also features ADA’sunique Solo Mode. In Solo Mode, as aspeaker channel is selected, only it willplay through the system. All other chan-nels become completely muted. Thisis useful when trying to determine if aspeaker has a blown driver or if thespeaker is connected out of phase. Itis also extremely useful for demonstrat-ing the effects of multi-channel music,especially if the different artists or in-struments are mixed on dedicated chan-nels. By isolating these sounds, youcan demonstrate the in room mixingeffects of a multi-channel recording.

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Home TheaterAmp Trigger

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DC Triggers - Quartet Card Low Voltage Amplifier Triggers - Theater ModeThe Quartet Card features a five-pin removable screw terminal connector which is used to triggerpower amplifiers on and off based on usage. The diagram to the left illustrates the terminals touse when the Quartet Card is running in Multi-Channel mode as a single rooms surround pream-plifier. Since all channels need to engage at once, simply use the ground pin and one low voltageline to run to your amplifier’s triggering device or input. If you are using a PTM-650, PTM-6150,MPA-501*, PF-2501*, PF-4000*, BPA-500*, or PBA-2000* for home theater amplification, youshould also be using an ACC-3 Low Voltage Triggered AC Controller (* - these units should eachhave their own ACC-3 running to a dedicated AC circuit). The two wires illustrated here, are rundirectly to the ACC-3(s).

If you are using the PTM1260, then you will not need an ACC-3.The PTM-1260 features a built-in low voltage trigger.

It is also capable of being bridgedfrom a twelve channel mode, toten, eight, or six channels. Basi-cally, each stereo pair can be in-dependently bridged. In thebridged, high-power mode, thePTM-1260 delivers 350W/Ch @4Ω. However, it is important tonote, that in the bridged mode, itis only stable to 4Ω. In theunbridged, medium power mode,the amplifier provides 135W/Ch@ 4Ω and is stable to 2Ω. Thediagram to the right illustrates aroom with two back-surroundchannels. These two channelsare running on two unbridgedPTM-1260 channels. All otherchannels are bridged (high-powermode). The diagram on the nextpage shows one back surroundspeaker on a bridged channel.

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Connectivity - Single Room TheaterAs imagined, in a basic Silk system withone Audio I/O, Video I/O, and one Quar-tet Card, the Silk packs a great deal ofhome theater punch. Source compo-nent audio and video connections areconnected directly to the appropriateinputs on the Audio I/O and Video I/Ocards.

The room’s video display (TV, monitor,projector, or plasma) connect to theappropriate output 1 connectors.Please note, that if some of the sourcesprovide only composite video, while oth-ers offer S-Video, and some evenRGBHV, you will need to output all ofthese video signals to your display.

Outside of the audio connections be-tween the Quartet Card and the hometheater amplifier(s), you will also needto connect the Digital 1 output of theAudio I/O Card to the Digital Audio In-put on the Quartet Card. A quality 75Ωvideo coaxial cable is all that is neededhere.

Summary - Single Room TheaterIn conclusion, assuming the Silk Quartet Card sounds as good as other ADA preamplifiers, uponwhich a great reputation has been built, what other home theater preamplifier feature:?

• A full color front-panel touch screen.• A self-contained flash-based PC with network browser.• A 7.1 surround sound preamplifier w/control features that include parametric equalization.• Two independent digital record outputs.• Three independent analog record outputs..• Two independent composite video record outputs.• Two independent S-Video record outputs.• Three independent RGBHV (VGA) record outputs.• Room to grow!

This is where a single room home theater ends and Silk begins.

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Expanding Silk

While a Silk System with just a single Quar-tet Preamplifier Card is a most formidablehome theater preamplifier, Silk is specifi-cally designed to be expanded. Assumingthe basic setup of a Silk as previously dis-cussed, with one Audio I/O Card, one VideoI/O card, and one Quartet Card, you canadd one or two more Quartet Cards to theSilk chassis.

At this time, Silk becomes not just onehome theater preamplifier, but actually upto three home theater preamplifiers. Thus,you can drive three high-end home theatersoff of a single Silk chassis. Each zone, canselect an independent source, while enjoy-ing the amazing benefits that the QuartetCard provides. In this configuration, thethree Digital Audio outputs from the AudioI/O Card provide signal to the three Quar-tet Cards. Video is provided by the VideoI/O Cards three independent video out-puts for both composite video, S-Video,and VGA (RGBHV).

Because additional Quartet Cards can be added to the Silk at any time, you can provide Silk forwhat may initially be a single-room home theater system. At any time, the system can be ex-panded to incorporate additional theater (multi-channel) rooms. This makes Silk not only theobvious choice for a home theater, but provides the user with a mainframe that is capable ofexpansion. But wait....there’s still more.

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Propres Pour L’Hautparleur. Voir La Notice De Fonctionnement.


115 V

Made In The USA

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15

Totally Silked Out

By adding another Silk Audio I/O Card to the chassis described on the previous page, you canopt to include up to three more Quartet Cards for a total of six cards. While video switching wouldremain at three independent zones (four independent VGA zones), the additional Quartet Pream-plifier cards could be used for music only rooms.

GND


115V~

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DATA PORT

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115 V

Made In The USA

2-1/2 ASB - 115V~1-1/4 ASB - 230V~

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While Silk can be configure as strictly a home theater preamplifier, it is also intended to providemulti-channel music to rooms that do not have any type of video display. Now a formal living,dining room, kitchen, master bath, and even outdoor area, can enjoy music in 5.1.

Already, some of the music industry’s most prominent artists, recording engineers, and produc-ers are already working with 5.1 mixes. Many more are still learning how to adapt their twochannel mixes into 5.1. Bear in mind, that taking an existing two channel recording and turning itinto 5.1 does not mean rerecording the song or album. The original masters are laid on individualtracks and only these masters need to be remixed for 5.1. This implies that a world of music,classic hits and major albums, are being mixed and encoded in 5.1. While multi-channel filmsound tracks are as commonplace today (on DVD & Laser) as stereo is on CD, the world of musicis still waking up to multi-channel formats. The future of music is still being written and one day,not too far from now, 5.1 will replace stereo, much like stereo replaced mono. It is inevitable.

While the creative side of the music industry embraces recording in multi-channel 5.1, the busi-ness side of the industry is already grappling with the problem of controlling the distributionchannels of stereo music. The combination of the internet and broadband have laid the founda-tion for the slow demise of the compact disc as we know it. As a business model, DVD Audio(and Super Audio CD) have provided the music industry with a medium in which they can sellboth existing and new material in a format that will not be as easy to spread from one PC to thenext. Much like the movie industry, which is successfully selling movies previously purchased onvideo tape now on DVD, the music industry is ramping up to sell the consumer market multi-channel audio. There are already multi-channel discs available that even permit the user toselect the listening perspective. Using the DVD menu, if you wish to listen to the performancefrom the audience, select that perspective. If you wish to listen to the performance from the on-stage perspective, simply select that option. Stereo is dead, it just doesn’t know it yet.

16

Quad Mode

ADA does howeverrealize, that not ev-ery room can beconfigured with 5.1 or 6.1 speaker arrays. As such, theQuartet card can also be configured as a stereo card.This is where good gets even better. Each Quartet cardfeatures a digital audio coax input and eight RCA analogoutputs (to amplifiers). These eight outputs refer to cen-ter, sub, front left, front right, surround left, surround right,back left, and back right. When the Quartet card is set toQuad Mode, these eight outputs are paired together (4pairs). Each pair acts as an independent room. Thus,when set to stereo, a single Quartet cardcan run four rooms. While all four roomsshare the same source (the Quartet hasonly one digital audio input), the roomscan turn on and off independently ofeach (also trigger amps on and off in-dependently), adjust volume indepen-dently as well as bass and treble, andeven have different volume presets andbalance settings. Radically amazing.

The ability to activate Quad Mode doesnot require a different Quartet Card oradd-on module. Simply select the MainSetup Page and press the Quad ModeConfiguration Start button. A momentlater, press the Quad Mode Confirma-tion 1 button. A moment after that, pressthe Quad Mode Confirmation 2 button.

At this time the selected Quartet Cardis now programmed to operate in QuadMode as a single zone with four inde-pendent rooms.

To alter the state of other Quartet Cards,press the appropriate Card Slot Addressnumber and repeat the process asstated above. To convert a QuartetCard back to Cinema Mode, begin theprocess by selecting Cinema ModeConfiguration buttons in order.

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Digital Audio Input

17

When a Quartet Card is set to QuadMode, many of the same features foundin the Cinema Mode translate to the fourrooms that the card now serves. Onthe Setup Page, each room can be setto a Turn-On Preset Volume Level,which can include either one of therooms four volume presets or the op-tion of Last Used. While all four roomswill be sharing the same source signal,they do still operate independently in-cluding the Turn On Volume Level. Assuch, no room will ever turn on too loudor too soft.

Each room also has the ability to set aVolume Limiter Level. This maximumvolume setting is in dB and is also ad-justed in the Setup page.

As such, no room can exceed its maxi-mum volume setting, providing for amore enjoyable listening experiencewhile protecting the speakers in thatroom. Again, here each room can beset to its own ceiling level by pressingeither the Zone # Volume Limiter Up orDown buttons.

On the Zone Control tab, you can ac-cess the controls for each zone. Pleasenote, that the word zone does not implyindependent source selection.

To turn on a room, simply select theUnmute/On command. Much like theCinema Mode, each sub room featuresboth a Hard Mute and Soft Mute, inaddition to Zone Off. When in mute thelow voltage trigger that powers ampli-fier channels on and off is left on. Whenthe Zone is off, the corresponding ampchannels turn off.

18

Each room (sub zone) also features aParametric Equalizer. In order to ad-just these features, you must first se-lect Tone Controls to be on. After thatyou can select the Bass FrequencyPoint in Hz as well as the Bass Levelin dB.

The same can be done for the TrebleFrequency Point and the Treble Level.Please note that the Treble frequencypoint is measured and displayed in KHzwhile the Bass frequency point is dis-played in Hz. This permits you to con-tour the sound to each sub-room.

Once you have set certain tone levelsfor a particular sub room, you can se-lect to save these parameters into oneof four Tone Presets.

By simply pressing the Tone Store but-ton of choice, these parameters will belocked into memory.

As such, you can opt to recall presetsbased on music styles or volume lev-els.

19

Even Volume is controlled in one of twoways. The 0.5 dB Volume control but-tons ramp volume up and down at amedium pace. The 1.0 dB Volume con-trol will ramp volume at a faster pace.

Once the volume is selected, you canopt to store the volume in one of thefour Volume Presets. These same pre-sets are also used as the Turn-On Vol-ume Preset (unless Last Used is se-lected). Again, you can offer the userseveral volume presets from a soft levelbutton to a thrashing sound button. Thechoice is yours.

The Quartet Card when in Quad Modeis a unique in more ways than one.When playing 5.1 encoded material intothe Quartet Card, all channels aredown-mixed to two channels, even theLFE channel. As such, the Quartet Cardwhen in Quad Mode, is among a rarebreed of two-channel preamplifiers thatcan actually play 5.1 material withoutloss of a single channel, note, etc.

A sub room also has the ability to Down-Mix to Mono. Again, no information islost in this process. While one sub-zoneis playing in mono, others can still beoperating in stereo.

The Quartet Card when in Quad modealso offers a host of feed back optionsincluding Bass and Treble settings, Vol-ume Levels, AC-3 data, down-mix in-formation, etc. This information can beaccessed on a sub-room by sub-roombasis through a simple Update StatusRequest command.

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Room 1Trigger

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- + - + - + - +

Two-Channel Quad Mode - DC Triggers - Quartet Card Low Voltage Amplifier TriggersThe five-pin removable screw terminal connector can also be used to turn amplifiers or amplifierchannels on and off, when the Quartet card operates in the Two-Channel mode. Thus, if forexample, a single Quartet card is driving audio to the Kitchen, Breakfast Area, Pantry, and Pow-der Room, the amplification associated to these four rooms could be turned on and off with the

room. To accomplish this, the Quartet’s fivepin screw terminal jack, has a pin set forground and the other four pins set for a spe-cific room. The diagram to the left illustratesthe four low voltage triggers.

ADA also provides two multi-channel poweramplifiers specifically designed to integratewith Silk, the PTM-1260 and the new PTM-

1225. Both amplifiers providehigh-current output and featuretwelve channels of amplification.The PTM-1260 is more powerful,even in the unbridged mode. Inthe bridged mode, it is a concus-sion waiting to happen. However,when operating in the bridgedmode, it is only stable to 4Ω. Inthe unbridged mode, the PTM-1260 is stable to 2Ω just like thePTM-1225. Both amplifiers alsofeature a 9-pin D connector thatis used to turn amplifier channelson and off, only as needed. If youwish to, you can simply take a rib-bon cable with a 9-pin D connec-tor on one end. Strip the wiresbare on the other side and screwterminate them to the Quartet’slow voltage trigger jack.

To simplify the installation, ADAprovides the DB-9, Screw Termi-nal to Nine Pin D block. Thissmart little box will allow you tokeep the installation of your Silksystem clean.

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Room 385W/Ch@8Ω135W/Ch@4ΩStable to 2Ω




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IndividualZones

BypassTrigger

All Zones12VDC1(-) 2(+)

VOLTAGESELECTOR

4 ASB - 115V~2 ASB - 230V~

115V~/60Hz230V~/50Hz

480 WATTS MAX

WARNING! Risk Of Hazardous Energy! Make Proper Connections.

AVERTISSEMENT! Energie Electrique Dangereuse! Faire Des Connexions Propres Pour L'Hautparleur.

Voir La Notice De Fonctionnement.


CAUTIONRISK OF ELECTRIC SHOCK

DO NOT OPEN

ATTENTION!RISQUE DE CHOC ELECTRIQUE.

NE PAS OUVRIR

MADE IN U.S.A.

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PTM-122512 Channel Power Amp

DO NOT SHORT OUTPUTS!

10KΩ 10KΩ 10KΩ 10KΩ 10KΩ 10KΩ

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BypassTrigger

All Zones12VDC1(-) 2(+)

VOLTAGESELECTOR

4 ASB - 115V~2 ASB - 230V~

115V~/60Hz230V~/50Hz

480 WATTS MAX

WARNING! Risk Of Hazardous Energy! Make Proper Connections.

AVERTISSEMENT! Energie Electrique Dangereuse! Faire Des Connexions Propres Pour L'Hautparleur.

Voir La Notice De Fonctionnement.


CAUTIONRISK OF ELECTRIC SHOCK

DO NOT OPEN

ATTENTION!RISQUE DE CHOC ELECTRIQUE.

NE PAS OUVRIR

MADE IN U.S.A.

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The diagram at the bottom ofthe previous page showshow a single PTM-1260 isused for four rooms on asingle Quartet Card. By plac-ing eight of the amplifierstwelve channels into thebridged position, we createfour bridged channels of highpower or two rooms of highpower amplification. Thatwould still leave four chan-nels of medium power or tworooms of medium power am-plification.

The diagram to the right (top)illustrates the use of PTM-1260s for medium power tothree zones/twelve rooms.For this application we willget the needed 24 channelsof amplification by using twoPTM-1260s (unbridged).The first zone card runs fourrooms on the first amp. Thesecond zone card runs tworooms on amp one and tworooms on amp 2. The thirdzone card runs four rooms onamp two.

The illustration to the rightshows the same configura-tion as above only using theless expensive and less pow-erful PTM-1225. This sce-nario provides less power butstill enough amplification forall twelve rooms. Naturally,these are just examples andone can easily configure alow voltage triggering systemfor any combination of Quar-tet cards, rooms, and ampli-fiers.

22

Silk Wrap-Up

By now you will agree, that Silk is one of the most versatile custom installation platforms evercreated. Wether you begin with one home theater leaving room to expand, or fully load up a Silk,here is an integration tool that can be used in a myriad of installation environments.

Single Room Theater - Plus Five Zones with Twenty RoomsUse one Quartet Card for home theater and the other five Quartet Cards in Quad Mode at fourrooms each.

Two Home Theaters - Plus Four Zones with Sixteen RoomsUse two Quartet Cards for home theater in perhaps the Family Room and Play Room. The otherfour cards could be set to operate the Master Suite (bedroom, dressing room, bath, and sittingarea); Outdoor Zone (either in Quad or as a multi-channel music area); Formal Dining Room (inmulti-channel mode of course); and Common Spaces (Kitchen, Living Room, Powder Room,Entry).

Three Home Theaters - Plus Three Zones with Twelve RoomsMaster Bed, Family Room, and Playroom each are full blown theaters. The other rooms in thehome run on three zones.

Three Home Theaters - Plus Three Multi-Channel Audio Only ZonesThe way it was meant to be.

Naturally, it is worth mentioning that the Silk Controller Chassis is addressable such that as manyas eight Silk Mainframes can be combined on any one system. This makes it easy to do an entirehome in Silk.

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System Design and Technical Documentation · System Design and Technical Documentation 602-610...

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