American transistor preamp with a long tradition

Features of the 512c:

• max. gain mic preamp: 65 dB
• max. gain line/instrument preamp: 45 dB
• mic input access on front and rear panel
• 20 dB pad switch
• phase switch
• completely discrete circuit with the 2520 OpAmp
• two modules in API Lunchbox Model 6B
• manufacturing period: since 2006