Audio & Interstage Transformers - Hermetically Sealed
Low Impedance - 1,000 Ohms & Less
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Crossover Network
16 Ohm / 3500 cps

(TA) X36
Electro-Voice audio cross-over network transformer. Sealed. Terminals side bottom. 2 pcs. available.

• 16 ohm, 3500 cps
• Dimensions: 3-1/4" x 3-1/2" x 3-1/2"H
 

Audio Transformer
32 Ohm @ 4 madc / 8 Ohm No DC

(TA) 43001189-000
Audio transformer. Hermetically sealed. 300 - 3400 Hz. 1.5 watts, 17.5 vdc. 8 solder legs. NSN: 5950-01-180-1271.

• 1 - 4: 32 ohm @ 4 madc
• 5 - 8: 8 ohm, no DC
• Dimensions: 0.965" x 1.15" x 1.07"H
$49 each
 
$19 each

Audio Transformer
Primary: 100 Ohm / 150 ma
Secondary: 3.2 Ohm

(COL) 677-0211-000
Basler audio transformer. Hermetically sealed. 250 mw max. Mfg. P/N: BE10314-001. NSN: 5950-789-5201.

• Primary: 100 ohm, 150 ma
• Secondary: 3.2 ohm, 300-3,000 Hz
• Dimensions: 1.38" x 1.88" x 1.26"H
 

Audio Frequency Transformer
125 Ohm to 1000 Ohms / 40 ma

(TA) 300635
Magnetico audio frequency transformer. PC mount. DC - 4KHz. NSN: 5950-00-229-7430.

• Primary: 125 ohm to 1000 ohms, 40 ma
• Dimensions: 1.375" x 1.375" x 0.75"H
$25 each
 
$25 each
 

Audio Input Transformer
Primary: 138 ohms DCR
Secondary: 172 ohms DCR

(TA) 961-1
Federal Telephone & Radio audio input transformer. Made in 1949. New in the box!!

• Primary: 138 ohms DCR
• Secondary: 172 ohms DCR
• Dimensions: 3-1/4" x 3-1/4" x 4-1/2"H
 
 
$75 each
 

Audio Transformer
300 Ohm c.t. to 600 Ohm
(TA) ER-499
TRW / UTC Pico audio transformer. Hermetically sealed. 300 ohm center tapped to 600 ohm. 300 Hz - 100 KHz. 600 mw. 7 madc, 105ºC. 5/16"D (0.344") x 1/2"H (0.469"). Collins P/N: 677-0035-000.
 

Audio Transformer
300 ohm c.t. @ 20 ma / 535v

(TA) 860194-9
Litton audio transformer. Hermetically sealed. 6 solder studs. 300 - 4000 Hz, + 18 dBM, unbalanced.

• Primary: 600 ohm
• Secondary: 150 ohm, 150 ohm,
300 ohm c.t. @ 20 ma, 535v
• Dimensions: 1.15"D x 0.85"
$12 each - $11 (6+)
 
$17.50 each

McIntosh Labs
Power Transformer
(TP) 043-155
McIntosh Labs power transformer. Type M215. Made by Bendix for McIntosh. Military boxed from 1950's. Only 3 on hand. NSN: 5950-00-922-8488.
 

Mixing Transformer
Primary & Secondary: 500 / 333 / 200 / 125 / 50 ohm
(TA) HA-108
TRW-UTC mixing transformer. Hermetically sealed. Terminals & four corner mounting threads. Primary & Secondary: 500 / 333 / 200 / 125 / 50 ohm. +20 dBM, 20 Hz - 50 KHz, 500v Hi-pot. Dimensions: 1.92" x 2.362" x 3.08" high.
$395 each
 
$135 each

Hybrid Repeat Coil
Primary & Secondary: 500 / 600 ohm
(TA) LS-140
UTC / TRW hybrid repeat coil. Primary & Secondary: 500 / 600 ohms. 2-1/2" x 3" x 3-1/4"H.
 

Audio Transformer
600 ohm to 45 ohm
(TA) A36792
Audio transformer. 600 ohm to 45 ohm. +30 dBm max. 1-1/2" diameter x 2-1/4" high. Gates P/N: 478-0231-000.
$125 each
 
$33 each

Audio Transformer
600 / 150 Ohm

(TA) A14147
ADC audio transformer. Hermetically sealed. Electrostatically shielded.

• Primary: 30 ohm, +30 dBM, 30-15,000 Hz
• Secondary: 600 / 150 ohm
• Dimensions: 2.7" x 2.325" x 1.9"H
 

Input Transformer
600 Ohm C.T. : 150 Ohm

(TA) A-13J
Triad input transformer. Hermetically sealed, double shielding. Power level: 0 dbm.

• Primary: 600 ohm, 200 ohm ct, 50 ohm
• Secondary: 600 ohm ct, 150 ohm
• Dimensions: 1.325"D, fits 0.375" hole
$85 each
 
$95 each - $85 (3+)

Mini Molded PC Mnt Audio Xmer
800 Ohm : 800 Ohm C.T.

(TA) SMB528032
Torotel audio transformer.

• 800 ohm: 800 ohm CT
• 500 mw maximum
• Dimensions: 3/4" x 7/8" x 5/8"H
 

Raytheon Audio Transformer
600 Ohm to 1k Ohm

(TA) 292-4961G1
Raytheon audio transformer. Hermetically sealed. PTFE turret posts and corner mounting studs on bottom.

• Primary: 600 ohm (130 ohm DCR)
• Secondary: 1000 ohm (25 ohm DCR)
• 9mw, 175 wv, 250 Hz - 3 KHz
• Dimensions: 1-3/4" x 1-5/8" x 2-5/8"H
*** SOLD OUT ***
 
 
$19 each

ADC Dual Transformer
Used in Field Telephone Set
(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
Primary: 93 µH
Secondary: 0.48 µH
(TA) 200002
Transdyne audio transformer. Axial. 1.7 - 2.4 MHz. Primary: 93 µH. Secondary: 0.48 µH. NSN: 5950-804-8996.
$85 each - $75 (3+)
 
$5 each

Audio Transformer
(TA) A-130199-77
Autodyne Mfg. Co. audio transformer. Unknown specs. Hermetically sealed. Turret terminals / posts on bottom. Electrostatically shield core. Primary labeled "FIN" & "ST", dual winding. Secondary: labeled "GND & LOW" and has shield terminal. 3-1/4" x 3-5/8" x 4-1/4"H. NSN: 5950-00-647-8063.
 

Audio Variductor - Adjustable
0.13 Hy = 130 mHy Mean

(CPW) V1C-7
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.
$10 each
 
$39 each
 

Audio Oscillator Transformer
13.2 Hy Coil Tapped @ 8.2 Hy
(TA) FT2565
Federal Telephone & Radio audio oscillator transformer. 13.2 Henry coil tapped @ 8.2 Henry. 2 threaded studs 1.1" on-center. 1-1/2"D x 1.9"H. Alt. P/Ns: A1009739. 3C574K-11. 6427-PH-51-93.
 
 
$5 each
 
 
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