Complete Output Transformer Product List & Specifications

Part No.General DescriptionCommentsOriginal Customer
CM-213310K:600/600 4:1Dual secondaries, Faradays. High-nickel. EI625 x 0.75
CMO-60/60060K:600Vacuum tube output transformer
CMOG-150/200:50K 1:16Guitar pickup output transformerLes Paul
CMOG-2200:28K 1:11.8Guitar pickup output transformerLes Paul
CM-2090150:150 600:600Faraday shieldsBoutique Audio
CM-209230K:600 7:1UTC PA-6003 Inward Connections
CM-958910K:600 4:1Choice of laminations. 1.3W
CM-9600T15KCT:150+150+Tert 26.5:6.64/6.64/1>+34dBm 6Watts Groove Tubes "Vipre"
CM-9610T9KCT:150+150+Tert 26.5:6.64/6.64/1>+34dBm 6WattsAN-106
CM-9661A30K:600 7:1+24dBm Choice of laminations
CM-9720APC4:1 Guitar amplifier speaker aux output 10Vpp
CM-28001:1 1.2K:1.2KGeneral purpose vacuum tube output. See CM-2810
CM-28109.6K:600 4:1General purpose vacuum tube output
CM-28202.4K:600 2:1General purpose vacuum tube output. See CM-2810
CM-28305/4K:600 3:1General purpose vacuum tube output. See CM-2810
CM-284015K:600 5:1General purpose vacuum tube output. See CM-2810
CM-2812237.5x4:150x2 1+1+1+1:2+2Langevin AM16 See CM-28121
CM-2710130K:600 7:1General purpose.
CMET-304230:32/150 + 32/150Electrodyne output transformer.Electrodyne
CM-9661A30K:600 7:1High performance. Choice of laminations.
CM-96731U.R.E.I. 1176UA-5002 with ORG/YEL internally hooked up.U.R.E.I. UA-5002
B11148-A40:600/600 U.R.E.I. LA-3AU.R.E.I. LA-3AU.R.E.I.
CM-33011:1:1:1Low inductance quad-filar.
RE 72821:1Wally Heider output transformerWally Heider Recording
CM-139018.1KCT:1 520:8ΩAudiophile Headphone amplifier output transformerEddie Current Audio
CM-131112.5K:8 Ω 17.7:1+tertiaryAudiophile Headphone amplifier output transformerEddie Current Audio
CM-1310710K:600/300/150/32Audiophile Headphone amplifier output transformer
CM-164026.2:1Altec 16402 output transformer
QE-34365K/20K:600QuadEight output transformer
CMO-10/600-15010K:600 4:1RE-10K96M
CM-52265.4K:560 3:1High performance.
CM-148019.6K:600 4:1Emulates 50W Marshall sound. Drive with 12AU7 or similar.
CM-521020K:600+150 Tertiary 150 Ohm winding
CM-S217D12.5K:600/300+tertiaryPeerless S217D. Original L12 laminations.
CM-15615PC7K:300/32Headphone amplifier output transformer
CM-522715K:600 5:1High performance. Choice of laminations.
CM-48269.6K:600+600 4:1+1600 Ohm tertiary.
CM-48252.4K:600+600600 Ohm tertiary.
CM-A2415K:50/125/150/200/250/333/500/600Similar to UTC A24
CM-HS5220K/5K:600/250/150/62.5HS-52. Choice of laminationsUndertone
CM-173085+5:1+1 800:32Headphone amplifier output transformerSavitsky
CM-131121.7K:16 10.3CT:1+1 tertiaryHeadphone amplifier output transformerEddie Current Audio
CM-148112/4K:6001/2W. Emulates 50W guitar amplifier
CM-3515.56K:1+1 18.5K:600+600Ampex 351 Line Amplifier
CM-27112150:600 1:2Step-up
CM-351BPC5.56K:1+1 18.5K:600+600Reduced footprint & size of CM-351
CM-TF321B15K:250/600Hum-bucking. Steel laminations similar to original Orthosil.TF-321B-B-2
CM-TF329B-B2Tertiary winding. TF-329B-B
CMOB-11:1Bifilar. EI-75 laminations. Choice of mix.
CMOB-21:1Bifilar. EI-625 laminations. Choice of mix.JE-11-DM
CMOB-31:1Bifilar. EI-50 laminations. Choice of mix.
CMOB-41:1Bifilar. EI-375 laminations. Choice of mix.
CMOP-11:1:1:1:1Pentafilar. EI-75 Laminations. Choice of mix.
CMOP-21:1:1:1:1Pentafilar. EI625 laminations. Choice of mix.
CMOQ-11:1:1:1Quadfilar. EI-75 laminations. Choice of mix.JE-123-BL = Low nickel laminations
CMOQ-21:1:1:1Quadfilar. EI-625 laminations. Choice of mix.
CMOQ-31:1:1:1Quadfilar. EI-375 laminations. Choice of mix.
CMOQ-41:1:1:1Quadfilar. EI-25 laminations. Choice of mix.
CMOT-11:1:1Trifilar. EI-75 laminations. Choice of mix.
CMOT-21:1:1Trifilar. EI-625 laminations. Choice of mix.
CMOT-31:1:1Trifilar. EI-50 laminations. Choce of mix.
CMOT-51:1:1Trifilar. LE2425 high-nickel laminations.
CMOH-2150/600:600+600Hexfilar. EI-625 laminations. Choice of mix.
CM-931151:1Bifilar. EI-18 laminations. Steel laminations.
CM-29821:1.1Bifilar wound. EI-18 laminations. Steel Lamnations.Extreme Engineering/Northrop
CM-101001:1Bililar. LE2425 or EI-25 laminations. Choice of mix.
QEE-34421:1:1Trifilar. EI-75 laminations. Steel.QuadEight CA137
QEE-30411:1Bifilar. EI-625 lamimnations. High inductance.QuadEight
B13863, B128231:1..7U.R.E.I.
QEE-7002-011:1:1Trifilar. EI-625 laminations. Steel laminationsQuadEight
CM-34011:1+1Quadfilar. 2 windings internally hooked in parallel. 50% high-nickel + 50% steel.Sunset Sound
CM-18313600CT:600CTBifilar wound. EI-21 steel laminations. Low cost.
CM-13104Quadfilar Gain of 0.5dBu on secondaries.
CM-101021:1Bifilar. EI-375 laminations. Choice of mix.RE-11FLPC
CM-13811CT:1Larger version of Heider RE-7282RE-7282
CM-152115K:600CT 5:1CTHigh performance. Choice of laminations. EI-375
CM-22251:1Hum-bucking. Compact size.Warm Audio
CM-222910K:600 4:1EI-625 laminations. Choice of mix. Faraday shields.
CM-227515K:600 5:1EI-75 laminations. Choice of mix. Retro design.
CM-92641:1Bifilar. EI-375 laminations. Choice of mix. High inductance.
CM-966238.4K:600 +24dBmHigh performance. EI-75 laminations. Choice of mix.RE-9255
CM-102001:1:1Trifilar. High inductance. Intended for consumer electronics signal level.
CM-1310815K:600/300/150/32Line/headphone. High performance.
CM-13122PC1:1:1EI-625 laminations. Low inductance. Steel + nickel "Zebra Stack"Classic Audio
CM-13123PCBifilar with mic tapsBifilar with microphone taps.
CM-1470117.7K:1+tertirary 2.5K:8 + tertHeadphone amplifier output transformer. EI-125
CM-175104:01CM-2810 + tertiary
CM-1971918.5K:600/64/16 - tertiaryHeadphone. EI-75 steel laminations.
CM-A2415K:50/125/150/200/250/333/500/600Similar to UTC A24
CM-A2630K:500/333/200/125/50Hum bucking.A-26
ET90611:2.2Reichenbach design collab with David Geren when both worked together at ElectrodyneElectrodyne ACN-3. ET9061
RE-123FL1:1:1:1EI-375. Choice of laminations. RE123FL RE123FMPCH
77241:1Bifilar. EI-375 laminations. High inductance.B12018 U.R.E.I.
77421:1Bifilar. 1/4" laminations. Very low inductance.Oliver Berliner
QE 4436 / 83925K:600+28dBm
75111:1Low inductance bi-filar +18dBm.Sphere Electronics
7593600:600 / -20dB winding29 M6 steel laminations. (Nickel can be substituted)Sphere Electronics
751211:1:1:1:1Pentafilar. Low-medium inductanceTodd-AO
767920K:600 50Hz-15kHz. +24dBm
7743600:600Higher inductance than RE-11P5.
7772Tri-filar 1:1:1Moderate inductance.Jensen JE-772
7983Quadfilar Low inductance.Central Dynamics
801140Ω : 600Ω
8391 8391-110K:600Westrex
8455-110:10KUltra Stereo
848120K:600Low level only
85421:1:1:1Quadfilar. 1 Watt @ 80HzMassa Studio
857240Ω:150ΩCBS - Columbia Broadcast System
7611310K10KBifilar.Sphere ElectronicsJensen JE-1L-B
731165K:600 2.8:1Jensen
771031:2JE-7103
77112300/600 : 5/8Low level bridging.JE-7112
80101 - 801021:1:1:1:1Pentafilar. EI-625 steel laminations. Inductance slightly higher than CMOP-2S.
811111:1:1:1Quadfilar. EI-625 steel. Lead wires. Todd AO
815022:1LE-2425 Tri-filarJensen
818011600 : 256Ω-CT, 2, 4, 8, 16ΩEI-175 steel laminations.
80313Ω : 4KJensen JE34K-DPC
8044-2600 : 600Hum-buckingJensen
857170V : 25VMatching transformer. 1,2,4,8,16Ω 16 WattsJensen
8312110K : 150/600Jensen
IPT-24-A40K : 5KEI-375. Nickel laminations.
73116 JB-5KB-A5K : 600LE-2425 laminationsJensen
73117 JE-10KB-A10K : 600LE-2425 laminationsJensen
JE-11-FL1:1Bifilar. EI-375 low nickel laminationsJensen
JE-11P-41 : 1Faraday shields. EI-375 laminationsJensen
JE-11-A1 : 1Bifilar. LE2425 Laminations. High inductance.Jensen
JE-11-BM1 : 1Bifilar. EI-75 laminations. High inductance.Jensen
7474 JE-11CT-MA1+1 : 2Bifilar primaries. Faraday shielding.Jensen
JE-11-DM1 : 1Bifilar. EI-625 High nickel.Jensen
JE-11-EL1:1Bifilar. EI-21. Low nickelJensen
JE-11-FL & JE-11-FLPC1:1Bifilar. EI-375. Low nickelJensen
JE-11S-H1:1Bifilar. EI-625 steel Jensen
JE-11S-L1:1Bifilar. EI-625 low nickel.Jensen
JE-11SP-5150/600 : 600EI-375 low nickel. Faraday shielding.Jensen
JE-11SP-M150/600 : 600EI-375 high nickel. Faraday shieldingJensen
JE-11SS-5M1:1 + 1:1Dual bifilar (2 sets of bifilar windings). EI-750 high nickelJensen
JE-11SS-DLCF1:1:1:1Quadfilar. EI-625 low nickel.Jensen
JE-11SS-EL1:1 + 1:1Dual bifilar (2 sets of bifilar windings). EI-50 low nickelJensen JE-123-S
JE-11-T1:1Bifilar. LE2425 low nickelJensen
JE-12-LPC1:1:1:1Quadfilar. EI-375 laminations. Jensen
JE-15KB-C15K : 150/600EI-375 low nickel. Faraday shielding.Jensen
JE-25KB-BPC25K : 150/600EI-375 low nickel. Faraday shielding. RINGING ISSUESJensen.
JE-111-LPC1:1:1:1Quadfilar. EI-375 low nickelJensen
JE-112-CF 76781:1:1:1Quadfilar. EI-375 steel laminationsJensen
JE-112-SPC1:1:1:1Quadfilar. EI-21. steel laminationsJesnen
JE-123DL / JE-123-DLX1:1:1:1Quadfilar. EI-625 low nickel.Jensen
JE-123-A1:1:1:1Quadfilar. EI-625 steelJensen
JE-123-BL1:1:1:1Quadfilar. EI-75 laminations. Low nickelJensen
JE-123-H1:1:1:1Quadfilar. EI-625 steel laminations. Low inductance.Jensen
JE-123-S / JE-123-SPC1:1:1:1Quadfilar. EI-21. steel laminationsJensen
JE-123-SL / JE-123-SL PC1:1:1:1Quadfilar. EI-21 Low nickel laminationsJensen
JE-125-SPC1:1:1:1:1:1Hex-filar (6 windings). Low inductance. Steel laminationsJensen
JE-11SSP-6M150/600 : 150/500EI-50 high nickel laminationsJensen
JE-11SSP-8M150/600 : 150/500EI-625 high nickel laminationsJensen
JE-DBXQuadfilar internally hooked up 1:2EI-375 laminations.Jensen
JE-MB-A450Ω : 450Ω"MC Bridging" Faraday shields.Jensen
JE-MB-B1:1Similar to JE-MB-A, but lower inductance.Jensen
JE-8552Same as JE-112SPC Lamination stack wrapped with black tape.Jensen
JE-851211:1bifilar. EI-21 low nickel. 1/4" stack.Jensen
7655 JE-MB-F600 : 150/600Dual Faraday shields.Jensen JE-MB-F
RE-11P-FLA20K:20K >+18dBmEI-375 Low nickel.Altec
RE-123-F PC1:1:1:1Quadflar. EI-375. Steel laminations.Altec Lansing
ET-90061 : 2.3Active combining network. DU-18 laminationsElectrodyne
ET-100138K : 150/600DU-1 laminations. Low nickel.Electrodyne
RE-72821 : 1EI-21 steel laminationsWally Heider Recording
RE-9255-PCL30K : 600EI-75 laminations. 1" stack.[NOT same as CM-9661A]
RE-97417350 : 150375UI (hum bucking).
75211 : 2.52Multifilar. EI-625 steel.Deane Jensen
758450/200 : 10KEE-186/187 high nickel
IC-2521505K+5K : 150+150Hum-bucking.Inward Connections
IC-2150302x150:2x15KHum-buckingInward Connections
73368 + 8 : 1+1EI-75 steel. Secondary bifilarU.R.E.I. B11147
73393.4 + 3.4 : 1+1EI-75 steel. Secondary bifilarU.R.E.I. B11754
757240CT + 40CT : 120 + 120EI-625 steelU.R.E.I.
76641:1.4Bifilar. EI-625 steel.U.R.E.I.
B11148-A40Ω : 600+600EI-625 Steel.U.R.E.I.
B120181:1Bifilar. EI-375 low nickel laminationsU.R.E.I.
B123031:1:(1/480 tertiary)Multifilar. EI375 low nickel.U.R.E.I.
B13763 B129231 : 1.7BifilarU.R.E.I.
B1313650Ω:33/23ΩU.R.E.I.
B11754 73393.4 + 3.4 : 1 + 1EI-75 steel. Secondary bifilarU.R.E.I.
UA-5002U.R.E.I. 1176 U.R.E.I.
CM-246032:1+1124DU PC pinsWarm Audio
CMO-60-60060K:600Vacuum tube output transformer
CM-11021600:150Hum-bucking output transformer
RE-123FLPC150x4Quadfilar output transformer
CM-281221+1+1+1 : 2+2Langevin TF324B. AM-16 Preamplifier.
OPT-04A60 Ω : 600 Ω