BLACK FOREST High Gain Preamp - Based on the Bogner Uberschall
Bogner Schematics, Service manual or circuit diagram £1.80 (~ $2.20 or €2.10)
BOGNER UBERSCHALL PRE-AMP - synergyamps.com
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Bogner Schematics, Service manual or circuit diagram £1.80 (~ $2.20 or €2.10)
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BLACK FOREST High Gain Preamp - Based on the Bogner Uberschall
BOGNER UBERSCHALL PRE-AMP - synergyamps.com
Bogner Schematics, Service manual or circuit diagram £1.80 (~ $2.20 or €2.10)
