VINTAGE COMPRESSOR TRANSFORMERS A to K

Ratio 1:2.3 CT 15K to 80K CT. Very large 100% Mumetal core and thick Mumetal can. Colour coded leads. Can size 45 mm dia 52.5 mm high mounting grommet (Type 1231E) or 2 x M3 holes (Type1231I). Similar to peerless 4651A.

23kCT/150+150 ohm output transformer for driving a balanced line from push-pull 6CG7 etc. 100% M6 core for high level capability and low distortion. Twin secondaries for 600/150 ohm outputs. Voltage ratio 12.4CT:1+1 Max dc per side of primary 20 mA. Similar to Peerless 16402. Colour coded leads. Supplied with end frames for vertical or horizontal mounting style o. Fully shrouded style "s" option. Rectangular Mumetal Can with threaded grommet style "e" option.

Ratio 1:1:1 For output and control amplifier. Max input level +26 dBu at 50 Hz. High performance Sowter transformer for API 525 compressor. Replacement for AP 2623-1,2,3,or 4 M6 core with colour coded leads. Mounts with two holes in side of core. Plan view: 43 x 36 mm. 24 mm above and 8 mm below PCB

Sowter replacement design for Collins 26-U Output stage using 6V6. 9000 Ohms to 150+150 Ohms. Feedback winding. Output level +26dBu at 20 Hz. Fully balanced two chamber bobbin and M6 core. Fully shrouded package with colour coded leads.

High performance transformer for repair or reconstuction of theCollins 26U-1 Compressor. Combination Mumetal/M6 core transformer in Mumetal can. Impedance ratio 30k/60k. Colour coded leads.

Line output for CCA Electronics Corporation Compressor LA-1D. Fully shrouded size "D" with colour coded leads. Push-Pull 20,000 ohms CT to 150 +150 ohms. Full geometric balance. Replacement for Chicago B02. Circuit available on request. Weight 1.0 Kg.

Sowter replacement design for Fairchild 670. 10kct/600ohms Ratio 4:1 Feedback winding ratio 9.5:1 . Fully balanced M6 cored transformer using two chamber bobbin. Fully shrouded style S. Size I. Tested with Drip Electronics PCB

Sowter replacement design for Fairchild 670. 60kct/600ohms Ratio 9+9:1+1. M6 core in Mumetal can with colour coded leads. Mumetal can size m 48.5 dia x 57 high. Tested with Drip Electronics PCB

Sowter replacement design for Fairchild 670. 600 ohms/170k ohms. Ratio 17+17:1+1. Mumetal core
core in Mumetal can with colour coded leads. Can size j 45 dia x 52 high. Similar to UTC Y6431. Suitable for Drip Electronics PCB for 660, 670 and 666

Sowter replacement design for Fairchild 670. 600 ohms/50k ohms. Ratio 1+1:9+9. Fully balanced two chamber bobbin and Mumetal core. Mumetal can size k 45 x 72 x 63 . Colour coded leads. Tested with Drip Electronics Altec 436 PCB.

For Fairchild 670 Compressor T302. Tested with Drip Electronics 2011 PCB
Fully Shrouded package style "S". Colour coded leads. 50/60 Hz. Choice of World Wide or European primary. Secondary windings: 375-0-375 V at 200 mA, 6.3V CT at 5A, 5.0V at 2A. Size "N"

For Fairchild 670 Compressor T301.
Tested with Drip Electronics 2011 PCB. Fully Shrouded package style "S". Colour coded leads. 50/60 Hz. Choice of World Wide or European primary. Secondary windings: 26.8V (for Selenium bridge rectifier) tapped at 24V (for Silicon bridge rectifier) at 200 mA. Size "E". This is similar to the original Triad part f-40x but has the tap for a silicon rectifier (recommended).

Heater and relay supply transformer Fairchild 670 Compressor. Drip V3
Fully Shrouded package style "S", Colour coded leads. 50/60 Hz. Choice of World Wide or European primary. Secondary windings: 6.3 V at 5 A, 6.3 at 5A and 12V at 1A. Size "L". For use with Drip Electronics PCB

For Fairchild 670 Compressor L301.
Choice of Fully Shrouded S, Drop Through, T or Open Frame O Styles. Colour coded leads. 10H. 200 mA . 71 Ohms. Size "F". Tested with Drip Electronics PCB

For Fairchild 670 Compressor L302. Tested with Drip Electronics 2011 PCB
Choice of Fully Shrouded S, Drop Through, T or Open Frame O Styles. Colour coded leads.85 Ohms 5H at 200 mA. Size "E" Tested with Drip Electronics PCB

Complete set of transformers for Fairchild 670 Compressor. Drip V3
Designed to fit Drip Electronics Drip V3 PCB.
The set (types: 2x9643, 2x8344, 2x8345, 2x8346, 0526, 0531, 0665, 1172, 1221) is discounted by 7.5% relative to individual prices.

Complete set of transformers for Fairchild 660 Compressor for Drip V3.
Designed to fit Drip Electronics PCB.
The set (types: 9643, 8344, 8345, 8346, 0526, 0531, 0665, 1172, 1221) is discounted by 5% relative to individual prices.

Ratio 6.32:1 20k/500 Ohms only. 15 mA. max. dc. Sowter replacement design for Chicago Stancor A-3250 in Fairchild 666 compressor. Anode load for 12BH7 single ended. Size "OA" ( Width 40 mm.) Suitable for Drip 666 board.

Fully shrouded with colour coded leads. WW Primary 120,110 V Twin winding 50/60 Hz. 175-0-175 at 40 mA, 6.3 at 2 A 5V at 2 A. Internal electrostatic shield for supply line noise isolation. Generously designed mains transformer with low loss M6 core for this easy to make compressor amplifier. See also input type 8540 , output type 9900 and choke type CB24. Schematic available. Size "I"

Fully shrouded with colour coded leads. WW Primary 120,110 V Twin winding. 250-0-250V at 100 mA, 6.3 V CT 2.5 A. 5V@2A. Electrostatic shield for power line noise supression.
Generously designed mains transformer with low loss M6 core for this easy to make high performance compressor. Circuits available. Size "L" Fully shrouded. See also type 9185 output and type 8540 input transformers.

Line output for Gates STA-LEVEL Compressor M5167. Fully shrouded size "J" with colour coded leads. 8000 ohms CT to 150 +150 Ohms ohms. A high power transformer giving plenty of level and a low output impedance. Configurable for 150 or 600 Ohms output. Circuit available on request. Weight 2.1 Kg.