VINTAGE RECORDING AMPLIFIER TRANSFORMERS J to Z

High performance high ratio 200 Ohm Mic input transformer. Ratio 0.5+0.5:30 100% Mumetal core. 6 winding sections with 4 internal electrostatic screens. Size j No clamp. Colour coded leads. Fits original can. Can be supplied with a 45 mm dia round can if required.

High performance transformer for repair or reconstruction of the Telefunken V76 microphone/line amplifier. Ratio 9:1 . 50k/600 Ohms. 50% Mumetal core. Size A. Open frame clamps. Colour coded leads. Max output level +18 dBu at 30 Hz

750H approx.with no DC applied. DC resistance 18.4 k ohms.
Dimensions 44mm diameter x 53mm high (plus grommet). Suitable for anode current up to 7mA. Wound using 2 chamber bobbin for high self resonance frequency. Size J. Mumetal can with threaded grommet mounting. Designed for Drip V72 board.

750H approx.with no DC applied. DC resistance 18.4 k ohms.
Dimensions 37.5 x 35 x 45.5 mm . Suitable for anode current up to 7mA. Termination options (colour coded leads illustrated). Wound using 2 chamber bobbin for high self resonance frequency. Pro Audio size J. Similar to CKV72/1

250H approx. DC resistance 9K ohms approx. 12 mA Wound using 2 chamber bobbin for high self resonance frequency. Colour coded leads Size K . 51 x 40 x 60.5 mm. Mods may be required to fit original chassis. Mumetal can option.

400H approx. DC resistance 12.6 K ohms. DC 3.6 mA Wound using 2 chamber bobbin for high self resonance frequency. Mumetal can with threaded grommet or open frame style Size J. 37 x 35 x 45.5 mm.

Sowter replacement design for Uinversal Audio Microphone Preamplifier Model 1008A. 7000/150+150 Ohms plus feedback winding. Package options. Barebones style (no clamp) on request. Mumetal can size k 45 x 72 x 63 . Colour coded leads.

Replacement for Klein and Hummel UE-100 EQ. Designed for Drip PCB
Fully Shrouded package style "S". Colour coded leads. 50/60 Hz. Choice of World Wide or European primary. Secondary windings: 220V at 36 mA, 150V CT at 130 mA, 8.5V at 3.6A, 8.5 mA at 3.6A ,8.5V at 2.3A and 12V tapped at 10V at 4A. for supply to relays providing optional 12V ac or 12V dc using a bridge rectifier. Size "N"
See also type 3575E for input and type 1290 for output of UE-100.