Transformers



Audio Transformers


Atlantic Transformer #8629-2,   300/600ohm - 2500 ohms, +15dBm, sealed round metal case 250-3.5KC, used -- $15

Argonne AR-115,   2K ohm CT - 8K ohm CT, NOS -- $10

Argonne AR-162,   NOS -- $10

Chicago Standard AMS-6,   4800/7600ohm - 4/8/16 ohms 2 watts 200-10KC, sealed square metal case, used -- $25

General Transformer FT-2391,   600ohm - 10000 ohms 0dBm 300-3.5KC sealed round metal case, used -- $15

Microtran T1104,   600ohm-600ohm, +7dBm, pc mount, NOS-- $2ea

Stancor A-3850 universal output transformer  4K-14K ohms center tapped primary / 5 tap secondary. 8 watts (similar to Triad S-53X), NOS -- $20

Stancor A-3878 output transformer,  7000ohm - 4 ohms, 5 watts, 200-20KC, used -- $15

Triad A-81X driver transformer, 2.66-1 ratio, used, one lead cut somewhat short but, accessable. -- $7

Triad T-1X,   50K ohm - 600/250/50 ohm, NOS -- $10

Triad T-22X output transformer,   25K ohm - 8 ohm CT, NOS -- $10ea

Triad TY-47X, 2000 ohm CT - 4/8/16 ohm, NIB -- $15

UTC SO-14, 80 ohm CT - 16 ohm / 16 ohm, NOS -- $10ea

UTC SO-11 audio transformer, NOS -- $10

House numbered 600 ohm (w/ 250 & 50 ohm split, I believe), 130 ohm DCR - 60K ohm, 3.6K DCR, audio transformer, same physical size as T-1X above, NOS -- $5 ea


Power Transformers


ITT Kellogg Transformer -- BC-2960

110/120/130V Primary 60 Hz, 28/29/43/46/47 V Secondary, probably good for about 100 watts, sealed square metal case, used -- $25


New York Transformer -- 19901

115/120/126/132V Primary 60 Hz, 3 HV secondary taps: 886VCT @ 100mA, 690 VCT @ 255 mA, 570 VCT @ 35mA plus 5V @ 4A and 5V @ 2A.   sealed rectangular metal case 4-1/4" x 5" x 7" high, 16 lbs. used -- $30


Stancor (Chicago Standard) Transformers

P-6134 117V Primary 50/60 Hz -- 6.3 V @ 1.2 A Secondary, used -- $4 ea

P-6375 115/230V Primary 50/60 Hz -- 6 V @ 2A or 12V @ 1A Secondary, NIB -- $10

F-610 115/230V Primary 50/60 Hz -- 6.3 VCT @ 10A Secondary, S case Used $20


Thordarson Transformers -- all 117V Primary, 50/60 Hz

21F12 , 6.3 VCT @ 10A Secondary, Used $20


Triad Transformers -- all 115V, Primary 60 Hz, unless noted

HSM-231 105/115/125 Primary, 6.3VCT @ 5A and 5VCT @ 3A Secondaries, sealed metal case, used -- $20

F21A -- 6.3VCT @ 10A Secondary, Used -- $20

F21A -- 6.3VCT @ 10A Secondary, New in Box -- $30

F28U -- 6.3/7.5 VCT @ 25A Secondary, NOS -- $40


UTC (United Transformer Corporation)

FT10 115V Pri 50/60 Hz -- 24 VCT @ 2A or 12 V @4A Secondary, NIB $15

H-132 105/115/220 Primary 50/60 Hz, Two 6.3VCT @ 6A Secondaries, sealed metal case, used -- $20ea


House Numbered

115V Primary -- 40 V secondary probably good for 2.5A, end cap enclosed frame, $20


Chokes



Collins -- HSD-050-11, 30mH Metal cased toroids, NOS $10 ea.


Electran H-4854-A 8H, 300mA, 55 ohms, Metal cased 6"x 6"x 4", used -- $25


Emcor -- Epoxy cased toroids 1" diameter by 1/2" high

  240 mHy RFE -- $5 ea

  720 mHy NOS -- $5 ea


Merit C-2993, 10.5H, 110mA, 220ohms, used -- $10


Motorola 25B811738-0, 220mHy measured, 250mA est., 21ohms, used -- $5


Triad

  HS-331 -- 4Hy 40mA DC 375 Ohms NIB -- $10

  C-4X -- 4Hy 50mA DC 360 Ohms NOS -- $10

  C-6X -- 5Hy 65mA DC 330 Ohms NOS -- $10


Valor -- 5 Hy Epoxy cased toroids 1" diameter by 1/2" high NOS -- $7 ea

No Manufacturer Indicated -- 1 Hy Potted toroids approx. 1-3/4" diameter by 3/4" high. NOS -- $10 ea