[NEW Old Stock] Kazan BOOSTER: Germanium Fuzz - Extra RARE soviet guitar pedal 1970s

For your attention a really unique find... Famous Kazan BOOSTER sealed in unopened box since the end of 1970s! I have several brand new sealed pedals, one box was open for photoset.

I can ship it in unopened box or I can open one and check working condition before / replace capacitors / install 1/4 TRS jacks/ install 9v power socket for boss-style adapter. The choice is yours

Manufactured in Tatarstan Republic, Kazan town. So it well known as a Kazan Booster.
It`s a very powerful fuzz, not a booster, "booster" is just a name.) Schematic diagram is based on Soviet military transistors МП42Б (analogue of 2N123)
and МП39 (analogue 2N273). Controls including - Volume & Tone. By screwing tone knob you can get low or hi-gain fuzz tones.

Specifications:
- Input level, above which comes the restriction: no more than 3,0 mV
- Output level, at maximum gain & input signal no less than 1 mV: 40 mV
- Supply voltage: 9 V from battery (if u want, I can install 9v power socket)
- Current consumption: no more than 25 mA
- Dimensions: 224х110х70 mm
- Weight - 1,5 kg

Don't miss your chance to buy a museum piece! You probably won't see sealed Kazan Bosster on sale again.