E34L POWER AMP

E34L Power amp is operating in Paralel Push-Pull (PPP) mode and can produce 25W RMS per single channel at 1% of THD. Bandwidth is 20Hz-20kHz -3dB. Note that such results was achieved with hand made output transformers. Stereo power amp is designed as dual monoblock where both channels are completely independent. Each block is divided into two PCBs: High power (E34L tubes and power supplies) and Low power (line preamp and phase inverter, both based on ECC83 tube).

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Technical documentation

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Theory of Operation of the ECL86 PREAMP and E34L POWER AMP

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Single Ended Class A 300B Power Amp