124A

Hammond Mfg. Co. Ltd., Electronics Division www.hammondmfg.com 124A TUBE DRIVER - INTERSTAGE TRANSFORMER This transformer operates in the 150 Hz to 15 KHz range. Designed for general purpose or replacement use in single ended or phase inverter tube driver circuits Open style, 2 point mount with minimum 5” long leads Core material Grain Oriented Silicone Steel laminations ELECTRICAL SPECIFICATIONS Characteristic Input Impedance Output Impedance Output Power DCR Primary Secondary Inductance Primary Secondary Typical 10,000 Ω 90,000 ΩCT 5.0 Watts 405 Ω 1525 Ω @ 1.0 kHz, 1.0 V OC 6.3 H 50.5 H Leakage Inductance 0.11 H Impedance Primary Secondary @ 1.0 kHz, 1.0 V OC 40 kΩ 320 kΩ Frequency Response Turns ratio ±1db from 150Hz to 15Hz 1:3 Dielectric Strength 500 Vrms 124A 5W 150Hz - 15kHz RED - BLU: 10000 Ω GRN - BLK - GRN: 90000 Ω CT MADE IN CANADA SCHEMATIC DIAGRAM PRIMARY RED 10000 Ω SECONDARY GREEN 90000 ΩCT BLACK BLUE GREEN TYPICAL TEST CIRCUIT PRIMARY R S/ SECONDARY 2 RL Measurement instruments Hp4192a impedance analyzer Hp3456a DVM Keithley 2002 DVM D scope series iii audio analyzer R S/ OUT 2 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.