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1760E PRIMARY SECONDARY · C 1.995” ±0.063 ±0.015 Primary Brown-Blue Inductance Impedance...

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Hammond Mfg. Co. Ltd., Electronics Division www.hammondmfg.com Dimensions A 3.250” ±0.063 D 2.813” ±0.063 B 2.085” ±0.125 G 0.187” X 0.300” C 1.995” ±0.063 ±0.015 Primary Brown-Blue Inductance Impedance 21.60H 129 KOhm 0.410 Ohm 0.540 Ohm 0.830 Ohm @ 1.0 kHz, 1.0 V OC 1760E TUBE GUITAR AMPLIFIER - OUTPUT TRANSFORMER 4, 8 & 16 Ohms 15W Output Impedance Output Power ELECTRICAL SPECIFICATIONS Characteristics Typical Input Impedance 8500 Ohms Designed for drop in replacement of original units. Constructed to look similar to original factory units (where possible). Material used & design specifications were kept as close as possible to the original part to preserve the stock "tone". Open style with minimum 9" long primary and secondary leads Frequency response 70Hz - 15KHz (0/-1dB reference @ 1KHz) Distortion is less than 1% @ 70Hz TYPICAL TEST CIRCUIT Dielectric Strength Temperature Range TEST CONDITIONS 1500VRMS -40 to 105 degC @ 1.0 kHz, 1.0 V SC Leakage Inductance 154.40 Ohms DCR Primary Brown-Red Secondary Black-Yellow Secondary Black-Green Secondary Black-White Primary Red-Blue 159.20 Ohms Measurement instruments: D scope series iii audio analyzer Keithley 2010 DVM Wayne Kerr 3255B with a 3265B Hp4192a impedance analyzer * All graphs input level 27dBu @1.0KHz reference. **The results are typical and are subject to normal manufacturing and electrical tolerances. 323.9mH Primary Brown-Blue PRIMARY SECONDARY R L RS / 2 RS / 2 OUT BRN BLU BLK COM WHT RED 15 WATTS 70Hz - 15kHz 8500 CT 16 Ohm YEL 4 Ohm GRN 8 Ohm Ohm PRIMARY SECONDARY BLU NOTE: ALL LEADS 9" LONG MIN. DATE BRN - RED - BLU: 8500 CT 1760E MADE IN CANADA RED BLK/YEL/GRN/WHT: COM/4 /8 /16 D G A B C 15 WATTS 70Hz - 15kHz BRN GRN BLK YEL WHT HAMMOND MANUFACTURING www.hammondmfg.com
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Page 1: 1760E PRIMARY SECONDARY · C 1.995” ±0.063 ±0.015 Primary Brown-Blue Inductance Impedance 21.60H 129 KOhm 0.410 Ohm 0.540 Ohm 0.830 Ohm @ 1.0 kHz, 1.0 V OC 1760E TUBE GUITAR AMPLIFIER

Hammond Mfg. Co. Ltd., Electronics Division

www.hammondmfg.com

DimensionsA 3.250” ±0.063 D 2.813” ±0.063B 2.085” ±0.125 G 0.187” X 0.300”C 1.995” ±0.063 ±0.015

Primary Brown-BlueInductance Impedance

21.60H 129 KOhm

0.410 Ohm0.540 Ohm0.830 Ohm

@ 1.0 kHz, 1.0 V OC

1760ETUBE GUITAR AMPLIFIER - OUTPUT TRANSFORMER

4, 8 & 16 Ohms15W

Output ImpedanceOutput Power

ELECTRICAL SPECIFICATIONSCharacteristics Typical

Input Impedance 8500 Ohms

• Designed for drop in replacement of original units.• Constructed to look similar to original factory units (where possible).• Material used & design specifications were kept as close as possible to the original part to preserve the stock "tone".• Open style with minimum 9" long primary and secondary leads• Frequency response 70Hz - 15KHz (0/-1dB reference @ 1KHz)• Distortion is less than 1% @ 70Hz

TYPICAL TEST CIRCUIT

Dielectric StrengthTemperature Range

TEST CONDITIONS

1500VRMS-40 to 105 degC

@ 1.0 kHz, 1.0 V SCLeakage Inductance

154.40 OhmsDCR

Primary Brown-Red

Secondary Black-YellowSecondary Black-GreenSecondary Black-White

Primary Red-Blue 159.20 Ohms

Measurement instruments:D scope series iii audio analyzer Keithley 2010 DVMWayne Kerr 3255B with a 3265B Hp4192a impedance analyzer

* All graphs input level 27dBu @1.0KHz reference.**The results are typical and are subject to normal manufacturing and electrical tolerances.

323.9mHPrimary Brown-Blue

PRIMARY SECONDARY

RL

RS/2

RS/2

OUT

BRN

BLU

BLK COM

WHT

RED

15 WATTS70Hz - 15kHz

8500 CT

16 Ohm

YEL 4 Ohm

GRN 8 Ohm

Ohm

PRIMARY SECONDARY

BLU

NOTE: ALL LEADS 9" LONG MIN.

DATE BRN - RED - BLU: 8500 CT

1760EMADE IN CANADA

RED

BLK/YEL/GRN/WHT: COM/4 /8 /16

D

G

A

B

C

15 WATTS 70Hz - 15kHz

BRN

GRN

BLKYEL

WHT

HAMMONDMANUFACTURING

www.hammondmfg.com

Page 2: 1760E PRIMARY SECONDARY · C 1.995” ±0.063 ±0.015 Primary Brown-Blue Inductance Impedance 21.60H 129 KOhm 0.410 Ohm 0.540 Ohm 0.830 Ohm @ 1.0 kHz, 1.0 V OC 1760E TUBE GUITAR AMPLIFIER

This drawing and the information in it is the property of Hammond Manufacturing. It may not be reproduced, transmitted or used in any manner whatsoever without the written permissionof Hammond Manufacturing. Data subject to change without notice.

www.hammondmfg.com


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