Audio & Interstage Transformers - Hermetically Sealed - Low Impedance 1,000 Ohms & Less
Primary Z: 16 ohms
Secondary Z: 16 ohms
Frequency Rating: 3500 Hertz
Electro-Voice audio cross-over network transformer. Sealed. Terminals side bottom. 2 pcs. available.
Audio Transformer Input 32 ohms at 4mA Output 8 ohms 300-3400Hz
(TA) 43001189-000
Primary Z: 32 ohms @ 4mA DC
Secondary Z: 8 ohms
Frequency Rating: 300 - 3400 Hertz
Audio transformer. Hermetically sealed. 300 - 3400 Hz. 1.5 watts, 17.5 vdc. 8 solder legs. NSN: 5950-01-180-1271. Pin 1-4 input 32 ohm 4 milliamps DC, Pin 5-8 output 8 ohm no DC.
Audio Transformer Input 100 ohm at 150mA Output 3.2 ohm 300-3000Hz
(COL) 677-0211-000
Primary Z: 100 ohms @ 150mA
Secondary Z: 3.2 ohms
Frequency Rating: 300 - 3000 Hertz
Basler audio transformer. Hermetically sealed. 250 mw max. Mfg. P/N: BE10314-001. NSN: 5950-789-5201.
Primary Z: 125 ohms @ 40mA
Secondary Z: 1000 ohms
Frequency Rating: 0 - 4000 Hertz
Magnetico audio frequency transformer. PC mount. DC - 4KHz. NSN: 5950-00-229-7430.
Primary Z: 138 ohms
Secondary Z: 172 ohms
Dimensions: 3-1/4"L x 3-1/4"W x 4-1/2"H
Federal Telephone & Radio audio input transformer. Made in 1949. New in the box!!
Primary Z: 600 ohms @ 20 ma
Secondary Z: 150/300 ohms (300 c.t.)
Working Volts: 535V
Litton audio transformer. Hermetically sealed. 6 solder studs. 300 - 4000 Hz, + 18 dBM, unbalanced. Electrostatic shield.
Primary Z: 150/300 ohms (300 c.t.) @ 7mA
Secondary Z: 600 ohms
Frequency Rating: 300 - 100K Hz
TRW / UTC Pico audio transformer. Hermetically sealed. 300 ohm center tapped to 600 ohm. 300 Hz - 100 KHz. 600 mw. 7 madc, 105°C. 5/16"D (0.344") x 1/2"H (0.469"). Collins P/N: 677-0035-000.
Audio Transformer Input 125/250 (250 c.t.) ohms Output 300/600 (600 c.t.) ohms 60Hz-10kHz 0.25 Watt
(TA) 224-2M
Primary Z: 125/250 ohms
Secondary Z: 300/600 ohms
Frequency Rating: 60 - 10000 Hertz
ADC mil-grade audio transformer. Balanced 600 ohm output. 175V working volts. Blue epoxy case.
Altec Lansing Matching Transformer Input 250/500 (500 ct) ohms Output 125/300/500/600 ohms 5Hz-85kHz
(TA) E-204-D
Primary Z: 250/500 ohms
Secondary Z: 125/300/500/600 ohms
Frequency Rating: 5 - 85000 Hertz &plusm;1dB
Altec Lansing matching transformer. +23 dBm max, 100 ma max. Electrostatically shielded. Frequency response ±1 dB:5 - 85,000 cps. 500CT:500CT, 125CT:125CT or 600CT:600CT, 150CT:150CT. Would make a great hybrid transformer for operation from two 250/300 ohm sources. Total primary 500 ohm (pri 1 & 2, 250 ohm each), secondary 500 ohm / 125 ohm or 600 ohm (pri 1 & 2, 300 ohm each), sec. 600 ohm or 150 ohm.
New! Removed from new and unused equipment. They were still wrapped in crate paper, and we cut the wires as long as possible.
Primary Z: 30 ohms
Secondary Z: 150/600 ohms
Frequency Rating: 30 - 15000 Hertz
ADC audio transformer. Hermetically sealed. Electrostatically shielded.
Input Transformer Input 50/150/200/600 (200 c.t.) ohms Output 150/300/600 (600 c.t.) ohms
(TA) A-13J
Primary Z: 50/100/200/600 ohms
Secondary Z: 150/300/600 ohms
Dimensions: 1.325"D, fits 0.375" hole
Triad input transformer. Hermetically sealed, double shielding. Power level: 0 dbm. Input is 50, or 200 center tapped (2 x 150), or 600 ohms. Ouput is 150 or 600 center tapped (2 x 300) ohms.
Mini Molded PC Mount Audio Transformer Input 800 ohm Output 400/800 ohm 500 milliwatts maximum
(TA) SMB528032
Primary Z: 400/800 ohms
Secondary Z: 400/800 ohms
800 Ohm : 800 Ohm C.T.
Torotel audio transformer. 500mW maximum
Primary Z: 600 ohms (130 ohm DCR)
Secondary Z: 1000 ohms (25 ohm DCR)
Frequency Rating: 250 - 3000 Hertz
Raytheon audio transformer. Hermetically sealed. PTFE turret posts and corner mounting studs on bottom.
ADC Dual Transformer Used in Field Telephone Sets
(TA) ADC109K
ADC dual transformer used in field telephone set. Compatable with our (TEL) HS0004 handset. Add a 1-1/2 volt battery and you have 1/2 of a 2 wire field telephone set. Solder lug terminals threaded stud mount on 2-1/2" centers. 3-1/8" x 1-3/4" x 3-7/8". SRS P/N: 700034.
Audio Transformer
(TA) 200002
Primary: 93 µH
Secondary: 0.48 µH
Frequency Rating: 1.7Mhz - 2.4Mhz
Transdyne audio transformer. Axial. 1.7 - 2.4 MHz. Primary: 93 µH. Secondary: 0.48 µH. NSN: 5950-804-8996. 8 wire, 1 primary coil and two secondaries.
Variable Inductance: 70mH to 240mH
Frequency Rating: 100 - 10000 Hertz
Dimensions: 1.285"L x 1.208"W x 1.42"H
UTC audio variductor - adjustable. Hermetically sealed. 0.13 Hy = 130 mHy mean. Variable 71 - 240 mH. 100 - 10,000 Hz. 25 madc. 8 - 32 corner holes. 1.285" x 1.208" x 1.42"H. Dated 1966 - etched logo on top. NSN: 5950-519-7963.
Audio Transformer Input 300 ohm Output 300 ohm Electrostatically shielded
(COL) 677-0432-010
Primary Z: 150/300 ohms (300 c.t.)
Secondary Z: 800 ohms
Dimensions: 3/4"D x 3/8"H
PC mount audio transformer - electrostatically shielded. 500 mw. Terminals 1-3 300 ohm C.T. Terminals 4-5 800 ohm. 3/8"H x 3/4"D. Alt P/N: TF5R21ZZ, PICO-3844.
Primary Z: 5k ohms
Secondary Z: 600 ohms
Dimensions: 1-3/4" x 1-3/4" x 3-1/2"
Western Electric plate coupling transformer. Hermetically sealed. 5k ohm to 600 ohm. 1-3/4" x 1-3/4" x 3-1/2". NSN: 5950-00-189-3743.
Altec Lansing Speaker Matching Transformer
(TA) 15480
Wattage: 30, 40, 60, 70, 80, 100 watts
Ohm: 4, 8, 16 ohms
Voltage: 70v
Altec Lansing speaker matching transformer. 70v, 30, 40, 60, 70, 80, 100w. 4, 8, 16 Ohm speaker. 4" x 2-3/4" x 2-5/8"H. New! NSN: 5950-01-103-0421.
Audio Transformer 59v RMS c.t., 220mA, 200 Ohm, 3.92 KHz to 7v RMS @ 7mA and 13.9v RMS @ 320mA
(TPA) 2223937
Primary: 59v RMS @ 220mA, 200 ohms, 3.92 KHz
Secondaries: 7v RMS @ 7mA and 13.9v RMS @ 320mA
Watts: 4.4
Magnetika audio transformer. Primary: 59v RMS c.t. @ 220mA, 200 ohms, 3.92 KHz. Dual secondary: 7v RMS @ 7mA and 13.9v RMS @ 320mA. 4.4 watts. Hermetically sealed. 1-5/16"D x 5/8"H.
Primary Z: 200:200 ohms
Frequency Rating: 500 Hz to 1.5 KHz
Dimensions: 1-3/4" x 1-5/8" x 2-7/8"
Reeves Inst. Corp. audio transformer. 200 ohm:200 ohm. 500 Hz to 1.5 KHz. 1kv test. Hermetically sealed. 1-3/4" x 1-5/8" x 2-7/8".
Audio Frequency Transformer 600 ohm Primary, 150 ohm Secondary
(TA) UTC8584074-1
Primary Z: 600 ohms
Secondary Z: 150 ohms
Dimensions: 1" x0.75"W x 0.719"H
TRW audio frequency transformer. 600 ohms primary, 150 ohms secondary impedance. 300 Hz minimum, 6.0 KHz max. 250 milliwatts. 7 pin terminal. 1" x 0.75"W x 0.719"H.
Audio Frequency Transformer 20 ohm Primary, 7.4 ohm Secondary
(TA) 8-60013396
Primary Z: 20 ohms
Secondary Z: 7.4 ohms
Dimensions: 2.75"L x 2.375"W x 3.75"H
Audio frequency transformer type TF4RX50GA. 10 pin hook terminals. 20 ohm primary impedance, 7.4 ohm secondary. 600 Hz to 500 KHz, 88 watts, 2 primary, 2 secondary windings. 200 milliamp DC winding current. 4 threaded stud mounts.
600/150 ohms to 600/150 ohms to 600/150 ohms
60 - 15k cps
60 dB shielding
Triad line to line to line transformer. 60 - 15k cps, 60 dB shielding. Full encased mounting. New in box.
Primary Z: 600 : 8 ohms
Dimensions: 1-1/2" x 1-1/2" x 2-1/2"H
Manufactured by Freed
Freed matching transformer. Electrostatically shielded. Hermetically sealed. 500v RMS. 600 ohms : 8 ohms. 3 watts. 200-3500 Hz.
Primary Z: 0.4 ohms
Secondary Z: 268 ohms
Dimensions: 1-1/2"D x 2"H
Thordarson audio transformer. Hermetically sealed.
Audio Transformer 32 ohm DCR Primary to 128 ohm DCR
(TA) T-44425
Primary Z: 32 ohms
Secondary Z: 128 ohms
Dimensions: 1-1/2"D x 2"H
Thordarson audio transformer. Hermetically sealed.
Primary: 125 ohms c.t.
Secondary: 8 ohms @ 50 mADC, 1.5 watts
Dimensions: 1.25"W x 1.75"H
Vintage Thordarson audio frequency transformer. Hermetically sealed. Frequency response ±0.5 dB, 20 - 20,000 Hz. DCR Primary: 5 ohms, Secondary: 7 ohms. 0.138" nominal thread size. High Fidelity Output Transformer.
Audio Transformer 90 Ohms, Center Frequency 1275 HZ
(TA) 2056-155-6
Primary Z: 90 ohms
Dimensions: 2.3" x 2.8" x 2.5"H
Manufactured by Arlbo
Arlbo audio transformer. 90 ohms impedance. 1275 Hz center frequency (1232 / 1317 Hz edges). 6 dBM. 8 pin octal plug.
Audio Transformer 500 Ohms / 600 Ohms
(TA) 10X1785
Primary: 50 / 60 Ohms - 250 - 4 KHz
Secondary: 500 Ohms / 600 Ohms +15dBm, 50 mADC
Dimensions: 1-1/2" x 1-1/2" x 2"H
ADC audio transformer. 175 wv. Electrostatic shield. Hermetically sealed. 6 turret terminals on bottom.
Line Matching Audio Transformer
(TA) LS33
Primary Z: 50/125/200/333/500 ohms
Secondary Z: 500, 333, 200, 125, 50, 30, 20, 15, 10, 7.5, 5, 2.5, 1.2 ohms
Manufactured by
UTC Type LS-33. High-level line matching audio transformer. Primary: 50, 125/150, 200/250, 333, 500/600 ohms. Secondary: 12, 2.5, 5, 7.5, 10, 15, 20, 30, 50, 125/150, 200/250, 333, 500/600 ohms. Frequency response 10hz 40khz. Max level: 20 watts.
