1750K

Hammond Mfg. Co. Ltd., Electronics Division www.hammondmfg.com 1750K PRIMARY TUBE GUITAR AMPLIFIER - OUTPUT TRANSFORMER • • • • • • SECONDARY BLU 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 1% @ 70Hz WHT 2 Ohm RED 4000 Ohm CT BLK 70Hz - 15kHz 50W ELECTRICAL SPECIFICATIONS Characteristics Input Impedance Output Impedance Output Power Typical 4000 Ohms 2 Ohms 50 W COM BRN B z CT 0 K 5 kH 0  75 z - 1 4 0 0 1 7 0 H L U: 2  : B W D- HT 5 0 -R E K-WDA L A N B R B AN BLK MA DE IN DA TE C C DCR Primary Brown-Blue Secondary Black-White BRN 89.43 Ohms 0.180 Ohm WHT F Inductance Impedance Primary Brown-Blue RED D E BLU A @ 1.0 kHz, 1.0 V OC 12.5H 81 KOhm G NOTE: ALL LEADS 9.0" OUT MIN. Leakage Inductance Brown-Blue @ 1.0 kHz, 1.0 V SC 3.34mH Dielectric Strength Temperature Range 2000VRMS -40 to 105 degC Dimensions A 4.063” ±0.063 B 3.125” ±0.125 C 3.453” ±0.063 D E F Keithley 2010 DVM Hp4192a impedance analyzer G 0.177” X 0.300” ±0.015 TYPICAL TEST CIRCUIT TEST CONDITIONS Measurement instruments: D scope series iii audio analyzer Wayne Kerr 3255B with a 3265B 3.500” ±0.063 2.000” ±0.063 2.560” ±0.063 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