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Transformers

ProCo Transformer Schematic Diagrams

ProCo Audio Transformers are wound and tested to ProCo's exacting standards for unsurpassed performance.  Schematic Diagrams of ProCo's transformer are available here.  Scroll down the page to locate and download data sheets for the transformer you require.

 PDF

TRANSFORMER WIRE CODE.pdf

 


CBT-1A Transformer

ProCo impedance matching (direct box) transformer. 20k ohm/150 ohm, dual electrostatic shields, open channel frame construction with mounting ears. 4" color coded leads.

ProCo impedance matching (direct box) transformer.
20k ohm/150 ohm, dual electrostatic shields, open channel frame construction with mounting ears. 4
Model Description
CBT-1A CB1 TRANSFORMER



DBT-1 Transformer

ProCo impedance matching (direct box) transformer. 20k ohm/150 ohm, MU metal can and dual electrostatic shields. 9" color coded leads.

ProCo impedance matching (direct box) transformer.
20k ohm/150 ohm, MU metal can and dual electrostatic shields.  9
Model Description
DBT-1 DB1 TRANSFORMER


PDF
DBT-1_specsheet_1006.pdf


MBT-1 Transformer

ProCo 1:1 microphone bridging transformer. 150 ohm/150 ohm, MU metal can and dual electrostatic shields. 9" color coded leads.

ProCo 1:1 microphone bridging transformer.
150 ohm/150 ohm, MU metal can and dual electrostatic shields.  9
Model Description
MBT-1 PROCO 1:1 MIC BRIDGING XFRMR


PDF
MBT-1_specsheet_1006.pdf


MBT-2 Transformer

ProCo 1:1:1 microphone bridging transformer. 150ohm/150ohm/150ohm, MU metal can and dual electrostatic shields. 9" color coded leads.

ProCo 1:1:1 microphone bridging transformer.
150ohm/150ohm/150ohm, MU metal can and dual electrostatic shields.  9
Model Description
MBT-2 PROCO 1:1:1 MIC BRDG XFRMR


PDF
MBT-2_specsheet_1006.pdf


MMT-1 Transformer

ProCo impedance matching transformer. 150ohm/15kohm, open channel frame construction, no mounting ears. 2" color coded leads. Used in Lo- to Hi-Z inline transformer assembly (ProCo 9144PC).

ProCo impedance matching transformer.
150ohm/15kohm, open channel frame construction, no mounting ears. 2
Model Description
MMT-1 LINE LO TO HI Z XFRMR



LOT-M Transformer

ProCo 1:1 line output transformer 600ohm/600ohm, open channel frame, no mounting ears, 2” color coded leads. Same function as LOT-1, but smaller with less headroom.

ProCo 1:1 line output transformer 600ohm/600ohm, open channel frame, no mounting ears, 2” color coded leads. Same function as LOT-1, but smaller with less headroom.
Model Description
LOT-M LOT-M TRANSFORMER



LOT-1 Transformer

LINE OUTPUT TRANSFORMER

LINE OUTPUT TRANSFORMER
Model Description
LOT-1 LINE OUTPUT TRANSFORMER


PDF
LOT-1_specsheet_1006.pdf