Allen & Heath Limited Kernick Industrial Estate Penryn, Cornwall, TR10 9LU, UK www.allen-heath.com

DM64 Technical Datasheet

Overview

64 mic/line inputs, 32 line outputs XCVI 160x64 FPGA core

o 96kHz sample rate o Variable bit-depth for ultimate precision

and noise performance o Virtually infinite mix headroom thanks to

96bit accumulator o Class leading, ultra-low latency 0.7ms

128 Input Channels with full processing 64 Mix Outputs with full processing Configurable 64 bus architecture (group, FX,

aux, matrix, mains) o LR, LCR and up to 5.1 mains mode o Multiple PFLs

16 RackExtra FX with dedicated stereo returns Automatic Mic Mixer (AMM) up to 4 zones, 64 ch DEEP processing – powerful embedded plugins

including GEQ and compressor modelling

24 DCAs Built-in signal generator, RTA and spectrogram New preamp design for extra transparency Unique Active PAD circuit for consistent

performance with any source Connection hub

o Dual redundant GigaACE gigabit link to Surface

o 2x redundant DX links for I/O expansion o 3x I/O Ports – 128 ch 96 kHz each o Dedicated ME-1 48kHz port o 2x Network ports o Wordclock BNC I/O

Dual redundant, hot swappable power supply Flush front panel with ultra quiet fan Reversible rack ears design

DM64 Datasheet 2 Allen & Heath Ltd

Dimensions

A&E Specifications

The mixer shall be a rackmountable device capable of stand-

alone operation, with or without a control surface. It shall be

capable of 128 input channels, 64 mix busses, and over 800

soft-patchable system inputs and outputs, all independently

assigned. There shall be 16 stereo rack FX engines with

dedicated stereo returns, and 24 DCAs. The rack unit shall

contain the mix engine. This mix engine shall run at 96kHz

sampling rate and employ FPGA technology for digital signal

processing. The system latency from analogue input to output

shall no exceed 0.7ms.

The mixer shall provide 64 XLR inputs of high quality and

capable of handling microphone or line signals and shall have

remote controlled analogue gain adjustable in 1dB steps, a 20

dB PAD, and phantom power. All input channels shall be

configurable mono/stereo and have access to any hardware

input on the unit, or remote input via expansion options. Mix

busses shall be configurable as any combination of

mono/stereo auxiliary sends, groups, mains, FX sends or

matrices. All output channels shall be routable to any of the 32

XLR line outputs on the unit, or remote output via expansion

options. All input channels shall contain the following

processing: Trim, Polarity, High Pass Filter, Low Pass Filter,

two Insert points, Gate, Parametric EQ, Compressor, Delay. All

output mix channels shall contain the following processing:

External input, Trim, Polarity, Insert, Parametric EQ, Graphic

EQ, Compressor, Delay. The channel processing shall also

provide high quality emulations of classic compressors and

GEQs. These emulations shall be insertable on the fly on any

channel without using the internal FX and without the need of

external plug-ins or licenses.

16 user-assignable effect racks shall be provided with a library

of factory preset FX emulations. The FX racks shall be

individually configurable as send/return from a channel or

FX/Mix, or inserted into input or output channels. The mixing

system shall provide the options of FX racks processed signals

to be returned to other mixes via dedicated FX input channels

with PEQ, assigned as sources to input channels, daisy-

chained to another FX rack by internal patching, or routed to an

24

.00

mm

/0.9

"

380.00mm/15"

482.60mm/19"

220.00mm/8.7"

442.00mm/17.4"

24.00mm/0.9"

434.00mm/17.1"

44

3.0

0m

m/1

7.4

"

45

8.0

0m

m/1

8"

4.0

0m

m/0

.16

"

70

.00

mm

/2.8

"

31

3.0

0m

m/1

2.3

"

DM64 Datasheet 3 Allen & Heath Ltd

output socket or interface channel. A global source option for

input channel direct outs shall be provided in the routing

screen. The tap-off point can be adjusted to the following

positions in the processing path: post Preamp, post HPF, post

Gate, post Insert return, post PEQ, post Compressor, and post

Delay. There shall be further global options for Follow Fader,

and Follow Mute.

The mixer shall provide Automatic Mic Mixing (AMM) of up to

64 microphone sources into 1, 2 or 4 zones. The AMM shall be

capable of running in classic gain sharing mode or optionally as

a NOM (Number of Open Microphones) algorithm.

Three 128-channel I/O ports for optional digital interface

modules shall also be provided. Optional interface modules

shall include: MADI, EtherSound, Dante, Waves SoundGrid,

and ACE.

A pair of Ethercon ports shall be provided for redundant

connection to the control surface via the Allen & Heath

gigaACE protocol. This connection shall carry over 300x300

channels of uncompressed audio at 96kHz, control data and

tunnelling of third party Ethernet traffic. 4 Ethercon ports shall

be provided for I/O expansion via redundant audio connections

each carrying up to 32x32 channels of uncompressed audio at

96kHz. A range of optional expansion racks shall be provided

and shall include a modular rack with 8-channel card options

including analogue or digital I/O. A further Ethercon port shall

be provided for connection to the Allen & Heath ME personal

mixing system. This connection shall carry 40 channels of

uncompressed audio at 48kHz with built-in sample rate

conversion, and channel naming.

A pair of BNC connectors shall be provided on the unit for

Wordclock input and output. A pair of RJ45 sockets shall also

be provided for gigabit Ethernet network connections to laptops

or other control systems. A headphone output shall be

provided.

The unit shall have a modular power supply accepting AC

mains voltages of 100~240V, 50/60 Hz, 300W max via an

earthed 3-pin IEC male connector. A rocker switch shall be

provided near the mains inlet to isolate the mixer from the

incoming mains supply. The unit shall also provide the option

for a second, hot-swappable, redundant power supply. This

shall be of the same type and interchangeable with the power

supply fitted as standard.

The rack ears shall be provided with the unit and reversible so

that either face of the unit can be presented on the front of the

rack or flight case.

The mixer shall provide the facility to save 500 scenes. The

scenes shall be name-able and a descriptive text entry per

scene provided. A comprehensive table of Scene Safes shall

be provided to prevent selected items from being changed from

their state when the safe was enabled. A comprehensive scene

filter shall be provided per scene to Allow / Block each

parameter saved in a scene from being changed as that scene

is recalled. A Cue List of scenes shall be provided to facilitate a

running order of scenes from the master list. A crossfade of up

to 20 seconds shall be adjustable per scene. Scene recall may

be embedded into a scene with the option to delay the start of

the embedded scene recall by up to 4 minutes.

An option shall be provided for password protection for log-in of

several users with different levels of system access and

permissions. A particular scene may be chosen to be recalled

per change of user-login if desired.

The mixer shall be the Allen&Heath dLive DM64.

DM64 Datasheet 4 Allen & Heath Ltd

Block Diagram

METER

AMM key

source option

AMMgain

IP to AUX/FX

AUX

TRIM

+4dBu

MAIN

R

-20dB

Surface

IP or MIX INSERT

Sidechain

+

Surface

AES3 Outputs

INSERT

L

Input Channelor

PAD

Assign to: GRP

Ready

-

Assignable buses

MTX Output

FX Return

ASSIGN+PAN

+

Dyn8 x64

INSERT

TALKBACK

48V

Post-Fader

Ducker

LEV

FADER

IP to GRP

-

Pink NoiseMIX Insert

RackFX x16

PAFL monitor

FX Send

Post-GEQ

GRP to AUX/MTX

MAIN

DEE

P

PFL

Post

R

+

INSERT B

RSRC

Post-PEQ

Post-Comp +

L

PFL/AFL MONITOR

option card

PEQ

-

GRP to MAIN

Bypass

L

option card

Post-Trim

FADER

Post-PEQ

per AUX mix

MODE

Dynamic EQ

FADER

+

64 x Bus = GRP, AUX, FX, MTX, MAIN

Post-Trim

dLive

MUTE

LEV

IEM

Multiband comp

Strip METER

dLive

POL

<32 inputs

R

only

option card

Post-Delay

-20dB

dLive

in-place

Line Outputs

IP to MAIN

Press to TALK

L Audio interface

Bypass

MIX MASTER (GRP, AUX, MAIN)

0dB

Input DIR OUT

AFL

GAIN

USB

DELAY

MATRIX MASTER

128 Outputs

RackFX 1-8 out

-24dB

Any MIX

SRC

PFL

MUTE

+

Bandpass Noise (Sweep)

PAD

I/O Port/s

COMP/

PFL TRIM

From:

Post-Fader

128 Outputs

28-band 1/3 octave

Audio interface

Post-Insert

MUTE

Firmware V1.6

MixRack inputs

-

Configure as MONO or STEREO

Audio interface

Sidechain

source option

Patch to:

Stereo ch

SIG GEN

28-band 1/3 octave

DAC

MATRIX

GRP AUX FX

BAL

Pre

128 Inputs

Sidechain

Bypass

AFL

MUTE

Global meter

I/O Port/s

Pre

ADC

DAC

dLive SYSTEM BLOCK DIAGRAM

MTX

AFL

I/O Port/s

PATCH

USB Playback

R

AES3 Outputs

MAIN

GEQ

IP or

Ret to AUX/FX

MATRIX

MIC/LINE inputs

PEQ

Skt or I/O Port

(Main LR only)

INSERT A

MUTE

EXT IN - Patch from:

ASSIGN+PAN

I/O Port inputs

OUTPUT

LEV

MixRack

Output Patch

MAIN

PEQ

EXT Input to PAFL

Line Outputs

Skt, I/O Port

MixRack

Surface inputs

DAC

128 input channels x 64 bus Mix Engine

AFL

DCA

option card

96kHz WAV Stereo Record

INPUTMIC/LINE inputs

Ducker

Configurable Mono / Stereo

R

PP

PFL

0

44.1/48/96kHz

R

Audio interface

Pre

INPUT CHANNEL x 128

METER

L

GAIN

PAFL

POL

+4dBu

L

DELAY

44.1/48/96kHz

EXT IN - Patch from:

FADER

Post

PP

GRP AUX FX

PFL

COMP

DELAY

Ready

128 Inputs

PHONES

+4dBu

DAC

Bypass

MTX

PP

PHONES

DELAY

TRIMI/O Port/s

-

Expander inputs

Ready

+

Inserted FX

FILTERS

FX SEND

WAV Stereo Playback

Wedge monitor

48V

MUTE

Expanderspr

eam

p

AFL

LEV

I/O Port inputs

TRIM

Strip METER

L

Post-Comp

Send > Return FX

Global meter

DCA

Post

PFL

Configuration:

PFL

31-band 1/3 octave

<32 Outputs

MIC/LINE inputs

FADER

DCA

Source option

WEDGE

FX RETURN x16

White Noise

RackFX outputs

PAD

LEV

source option

Post-GEQ

DCA

Mix Output

IEM monitor

FADER

PATCH

Sine (Sweep 20-20kHz)

GAIN

SRC

Sidechain

Post-PEQ

dLive

R

dLive

Global meter

DIRECT OUT

dLive

source option

RTA

Post-Insert

Surface inputs

Post-Preamp

0

MUTE

PAFL

ADC

Configurable Mono / StereoDAC

Mix outputs

SRC

GATE/

MixRack inputs

BAL

POL1-40

BAL

AFL not affected by Trim

ADC

Sig Gen

MATRIX

GEQ

AUX/MAIN to MTX

GRP/AUX/MAIN

HPF

+WIDTH

or RackFX

Post-Ins A

Ret to GRP

AUX-

L

AES3 inputs

TRIM

-20dB

Line Outputs

Ret to MAIN

To: GRP

48V

Monitor

PEQ

Global Direct Out

FADER

or RackFX

Skt, I/O Port

Expanders

Input DIR OUT

AES3 inputsMUTE

Strip METER

0

COMP

BAL

or

USB

DM64 Datasheet 5 Allen & Heath Ltd

Technical Specifications

Inputs System

Mic/Line XLR Inputs Balanced XLR, +48V phantom power Measured balanced XLR in to XLR out, 20-20kHz, minimum Gain, Pad out, signal @ 0dB (meter)

Mic/Line Preamp Fully recallable Dynamic Range 110dB

Input Sensitivity -60 to +15dBu System Signal to Noise -92dB

Analogue Gain +5 to +60dB, 1dB steps Frequency Response 20Hz - 30kHz +0/-0.8dB

Pad -20dB Active PAD THD+N (analogue in to out)

0.0015% @ +16dBu output, 1kHz 0dB gain

Maximum Input Level +30dBu (PAD in) Headroom +18dB

Input Impedance >4kΩ (Pad out), >10kΩ (Pad in) Internal operating Level 0dBu

Mic EIN -127dB with 150Ω source dBFS Alignment +18dBu = 0dBFS (+22dBu at XLR output)

Phantom Power indication

Per socket, internal or external phantom power sensing, triggered at 24V

Meter Calibration 0dB meter = -18dBFS (+4dBu at XLR out)

Outputs Meter Peak indication -3dBFS (+19dBu at XLR out)

Analogue XLR Outputs Balanced, Relay protected Sampling Rate 96kHz +/- 20 PPM

Output Impedance <75Ω ADC 24-bit Delta-Sigma

Nominal Output +4dBu = 0dB meter reading DAC 24-bit Delta-Sigma

Maximum Output Level +22dBu

Residual Output Noise -92dBu (muted, 20-20kHz) Latency 0.7 ms (MixRack XLR in to XLR out, Input to Mix)

-90dBu (muted, 20-40kHz) + 5 samples, Surface to Mixrack (GigaACE hop)

+ 8 samples, DX32 to Mixrack (DX hop)

Dimensions and

Weights

Power

Width x Depth x Height x Weight

DM64 482.6 x 313 x 458 mm (19"x 12.3"x 18") x 21kg (46lbs)

Mains Voltage Operating Range

100-240V AC, 50/60Hz

DM64 - boxed 590 x 420 x 585 mm (23.2"x 16.5"x 23") x 24kg (52.9lbs)

Mains Power Consumption

300W max (MPS16 V1 300W)* 250W max (MPS16 V2 250W)*

MPS16 power consumption is printed under AC inlet

Temperature

Operating Temperature Range

Fitted with MPS16 V1 300w 0°C to 35°C (32°F to 95°F)

Fitted with MPS16 V2 250w 0°C to 40°C (32°F to 104°F)