12ax7 preamp oldschematic

The preamp schematic is based around a common 12AX7 dual triode. The line level (Hi-Fi) version of the schema has the gain set at 4 (6 dB). What makes this kit very good is is that it is have tone control and hum balancer.

The scheme comes from the process of scanning old HiFi schematic books. For those interested please contact us to get the copy.

Manufacturer :
Type : Tube Amplifier
Number Of Tubes : 2
Tube Type : 12AX7
Voltage : 250V
High Resolution Scan : Available
Some notes about this schematic : None

This tube preamp will match with wooden casing like this :


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