Work in Progress: The Ultimate Audio Transformer List December 09, 2011 17:37 12 Comments

How awesome would it be to have a list of every transformer you'd ever want to use in a DIY project? Let's do it! Please leave your contributions in the comments section. Thank you to Justin Boland for getting us started.
Manufacturer Part # Type Turns Ratio Impedance Ratio Used By
Carnhill VTB9045 Mic In Neve
Marinair 10468 Mic In Neve
Ed Anderson EA10468 Mic In Neve
Sowter 9145, 9165 Mic In Neve
Carnhill CA-18-VTB9071 Line In Neve
Marinair LO-1166 Line Out Neve
Marinair LO-2567 Line Out Neve
Carnhill VTB1148, VTB1847, VTB9049 Line Out Neve, Trident
Ed Anderson EA1166 Line Out Neve
Sowter 8751, 9160 Line Out Neve
Sowter 9780 Line Out Neve
Cinemag CMOQ-2S Line Out Neve
Crimson Audio CT-2385 Line Out Neve
JLM Audio JLM111DC Line Out Neve, Trident
API 2622 Mic In 1+1:7 150/600:10k API
Ed Anderson EA2622 Mic In 1+1:7 150/600:10k API
Cinemag CMMI-8PCA Mic In 1:8 150:10K API
Sowter 9820 Mic In 1:4.37 150/600:11.5k API
API 2503 Line Out 1:1, 1:2, 1:3 75:75, 75:300, 75:600 API
API 2623 Line Out 1:1, 1:2 75:75, 75:300 API
Ed Anderson EA2623-1, EA2623-4 Line Out 1:1, 1:2 75:75, 75:300 API
Ed Anderson EA2503 Line Out 1:1, 1:2, 1:3 75:75, 75:300, 75:600 API
Sowter 9825 Line Out 1+1+1+1 75:300+75 API
Cinemag CMOQ-2L Line Out 1:1 API
API 2164 Line In 10k:600 API
Jensen JT-16-B Mic In 1:2 150:600 John Hardy
Jensen JT-11-BMQ Line Out 1:1 600:600 John Hardy
Jensen JE-6110K-APC Mic In 600:150/10k Auditronics
Jensen JE-123-S Line Out 1:1 600:600 Auditronics
Sphere 7341 Mic In Sphere
ZUTT 012A, 782A Mic In 1:5.63 1.2k:38k Trident A, B, and Fleximix*
ZUTT 783A Line In 1:1 15k:15k Trident A, B, and Fleximix*
Sowter 7456 Mic In 1:5.9 600/30K Trident
Jensen JT-13K7-A Mic In 1:5 150:3.8k Trident
Sowter 3553, 2318, 3777 Mic In Calrec*
Sowter 3955 Line Out 1:1.06 600:600 Calrec*
Triad A-67J Mic/Line In Spectra Sonics*
Triad HS56 Mic/Line In 1:1 600:600 Pultec, Spectra Sonics
Sowter 3603 Mic/Line In 1:1 600:600 Pultec, Spectra Sonics
UTC LS30 Mic/Line In Spectra Sonics
Triad HS66 Line Out Spectra Sonics*
St. Ives VT22670 Mic In Neve*
St. Ives VT22671 Mic In Neve*
Marinair T1422, T1442, T1452 Line In Neve*
UA 5002 Line Out UREI 1176 Rev A-E*
Bournes B11148 Line Out UREI 1176 Rev F-H
UTC 012 Line In UREI 1176
Jensen JT16A Mic In Sunset Sound Console
Edcor PC10k/150 Line Matching 8.2:1 10k:150 LINE2AMP Reamping Box
Cinemag CM-9888 Mic Out 1:28 Ribbon mic
Lundahl LL2912 Mic Out 1:37 Ribbon mic
Sowter 8074 Mic Out 1:40 Ribbon mic
Edcor RMX1 Mic Out 1:37 Ribbon mic
AMI/TAB Funkenwerk T42 Mic Out 1:42 Ribbon mic
AMI/TAB Funkenwerk T58 Mic Out Shure SM57/SM58 Mod
Samar Audio RT36 Mic Out 1:40 Ribbon Mic
Monacor LTR-110 Line Matching 1:1, 2:1
Monacor DIB-110 Direct Box 10:1
Lundahl LL1538 Mic In 1:5 Focusrite, Trident, GP Electronics
Lundahl LL1517 Line Out 1 + 1:1 + 1 Calrec
Altran C-3837-1 Line In 1.58:1 500:200Ω DIY 1176
*Indicates that this was the original transformer used for this purpose.