1650PA

Hammond Mfg. Co. Ltd., Electronics Division www.hammondmfg.com 1650PA HI-FI AUDIO OUTPUT MULTIPLE SECONDARY TRANSFORMER  NEW & improved version of our 1608-1650 Series multiple secondary output transformers (Re-designed secondaries for easy hook-up of secondary loads).  Designed for push-pull tube output circuits.  Units are designed to provide ample "headroom" at bass frequencies (Note the weight of each transformer).  Enclosed (shielded), 4 slot, above chassis Type "X" mounting.  Manufactured with plastic coil forms for coil support and insulation.  Frequency response 30Hz. to 30Khz (+/- 1db max. - ref. 1Khz) minimum.  Insulated flexible leads 8" min.  Typical applications - Push-Pull: triode, Ultra-Linear pentode, pentode and tetrode connected audio output. ELECTRICAL SPECIFICATIONS Characteristic Input Impedance Output Impedance Output Power Typical 6600 Ohms 4, 8 & 16 Ohms 60 Watts DCR Primary Blue-Red Primary Red-Brown Secondary Black-Green Secondary Black-Yellow Secondary Black-White 71.34 Ohms 80.42 Ohms 0.237 Ohm 0.364 Ohm 0.473 Ohm Inductance | Impedance Primary Blue-Brown @ 60Hz, 10.0V OC 230.0H 106.0KOhm Leakage Inductance Primary Blue-Brown @ 60Hz, 10.0V SC 9.40mH Dielectric Strength Temperature Range 2000Vrms -40 To 105C 1650PA Made In Canada DATE Hammond Mfg. Co. Ltd., Electronics Division www.hammondmfg.com DIMENSIONAL DETAILS: BLK GRN YEL WHT BRN BRN/YEL RED BLU/YEL BLU TEST CONDITIONS Measurement Instruments: dScope Series III Audio Analyzer Wayne Kerr 3255B with a 3265B Inductance Analyzer HP 4192a LF Impedance Analyzer Keithley 2010 DVM * All graphs input level 27dBu @1.0KHz reference. **The results are typical and are subject to normal manufacturing and electrical tolerances. TYPICAL TEST CIRCUIT PRIMARY R S/ SECONDARY 2 RL R S/ OUT 2 This drawing and the information in it is the property of Hammond Manufacturing. It may not be reproduced, transmitted or use d in any manner whatsoever without the written permission of Hammond Manufacturing. Data subject to change without notice. Hammond Mfg. Co. Ltd., Electronics Division www.hammondmfg.com