Hybrid-Amp Analog Part 1. Amplifiers 1.1 The Pre-Amplifier The Pre-Amp (ECC82) The Pre-Amp Schematics. Click to enlarge and open in a new Tab. 1.2 The Power-Amplifier The Pre-Amp (left) and Power-Amp (right) The Power-Amp. Click to enlarge and open in a new tab. Cooling the Power-Amp and inner housing. 2. The Subwoofer-Module The Subwoofer-Module The Subwoofer-Module. Click to enlarge and open in a new tab. 3. The Power-Supply Pre-Amp Power-Supply The Booster-Stage The Booster-Module. Click to enlarge and open in a new tab. The Powersupply-Module. click to enlarge and open in a new tab. Testing the Analog-Modules…