IN STOCK

 

VCA based on vintage soviet nuvistors 6C51H-B.

 

10HP

 

Nuvistor is a type of vacuum tube but in metal can instead of glass. Nuvistor is top-notch of tube development.

 

More detailed info about nuvistors you can find here: https://www.r-type.org/articles/art-150.htm

 

Wikipedia article about nuvistor https://en.wikipedia.org/wiki/Nuvistor

 

 

 

The device has feedback loop which is normaled to IN2 jack, so IN2 pot controls feedback amount when nothing feed into IN2 jack and feedback switch is on. When jack feed into IN2, IN2/FEEDB pot controls IN2 level. Distortion/clean switch controls two modes with more or less distortion which amount can be trimmed with trimpots through holes at panel. Drive/IN1 pot controls IN1 level. GAIN pot controls gain offset. CV pot controls gain CV level.

 

Power consumption: +12V 7mA, -12V 123mA, 5V 0mA.

 

Paypal: info(at)greenexpo.by

 

Assembled module $290 + $15 shipping.

 

 

SAMPLES: Nuvistor VCA in comparison to other L-1 USSR vintage VCAs:

 

 

 

 

 

 

 

 

 

PICTURES

 

 

 

 

 

Nuvistors. Where they were used?

 

 

 

 

Nuvistor 6C51H-B	RCA developed nuvistor in 1959	What is inside a nuvistor.
What is inside a nuvistor.	Telefunken U47M	Musical Fidelity Nu-Vista
Ampex MR-70 1964	Sansui TU-70	Aydas-9m 1966
Kometa MG201M 1968	Oscilloscope C1-64	Radio receiver Kalina
Radio receiver Kanal-R		Aviation radar Groza

 

 

 

 

 

(c) L-1 Synhesizer. E-mail: info@greenexpo.by