Aleph-30 Class-A Power Amplifier Circuit
The Pass Aleph 30 is the first of the second generation of Aleph single-ended Class A power amplifiers. This design results from my commitment to create the best sounding product, a simple circuit having the most natural characteristic. The... Electronics Projects, Aleph-30 Class-A Power Amplifier Circuit "audio amplifier circuits, transistor amplifier, " Date 2019/08/01
The Pass Aleph 30 is the first of the second generation of Aleph single-ended Class A power amplifiers. This design results from my commitment to create the best sounding product, a simple circuit having the most natural characteristic. The Pass Aleph 30 integrates power Mosfet devices and pure single ended Class A operation in a simple two-gain-stage topology with the sole purpose of recreating subjectively natural sound.
Aleph-30 Class-A Amplifier Project
Class A power amplifiers SPECIFICATIONS
Gain 20 dB balanced, 26 dB single ended
Freq. Response – 0.5 dB @ 2 Hz, -1.5 dB @ 100 KHz
Power Output 30 watts/ch @ 8 ohms, 40 watts @ 4 ohms
Maximum Output 25 volts, 5 amps
Distortion (1KHz) 0.2% @ 30 watts, 8 ohms
Input Impedance 47 Kohm single-ended, 52 Kohm differential
Damping factor 100
Crosstalk -80 dB 20-20 KHz
Balanced Input Rejection -50 dB typical CMRR
Output Noise 500 uV unweighted
Random noise floor 5 uV typical
DC offset 100 mv
Power Consumption 200 watts
Temperature 25 degrees C. above ambient
Dimensions 17 ” W x 15.5″ D x 5.5″ H
Shipping Weight 45 lb.
Source: www.skip.informatik.gu.se/~kmg/diyaudio/projects/aleph30 Aleph-30 pcb schematic Alternative link:
FILE DOWNLOAD LINK LIST (in TXT format): LINKS-2332.zip
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