1750L

Hammond Mfg. Co. Ltd., Electronics Division www.hammondmfg.com 1750L PRIMARY BRN TUBE GUITAR AMPLIFIER - OUTPUT TRANSFORMER • • • • • • 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/-1.0dB reference @ 1KHz) Distortion is less than 2% @ 70Hz SECONDARY GRN 4200 CT Ohms 4 Ohms RED BLU 60 W ATTS 70Hz - 15kHz BLK COM ELECTRICAL SPECIFICATIONS Characteristics Input Impedance Output Impedance Output Power Typical 4200 Ohms 4 Ohms 60W B 60 W att s Black C DCR Primary Brown-Blue Secondary Black-Green 98.6 Ohms 0.170 Ohm Brown Red Green E Inductance Impedance Primary Blue-Brown A @ 1.0 kHz, 1.0 V OC 6.52H 41.6 KOhm Leakage Inductance Primary Blue-Brown @ 1.0 kHz, 1.0 V SC 4.93mH Dielectric Strength Temperature Range 2000VRMS -40 to 105 degC TEST CONDITIONS Measurement instruments: D scope series iii audio analyzer Wayne Kerr 3255B with a 3265B D F Keithley 2010 DVM Hp4192a impedance analyzer Blue G Dimensions A 4.050” ±0.063 B 3.050” REF C 3.46" MAX D E F 3.500” ±0.063 2.490” ±0.063 1.940” ±0.063 G 0.187x0.300” TYPICAL TEST CIRCUIT PRIMARY R S/ SECONDARY 2 RL * All graphs input level 27dBu @1.0KHz reference. **The results are typical and are subject to normal manufacturing and electrical tolerances. R S/ OUT 2 www.hammondmfg.com 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 permission of Hammond Manufacturing. Data subject to change without notice. www.hammondmfg.com