My Personal Copy of Famous Aloia Hibrid Amplifier GY50. Amplificatore GY50 .
Amplifier using Vacuum Tube, ECC83/12AX7, for VAS Stage and Triple Stage of Emitter Follower in the Output Power Stage.
Power Output Devices; Toshiba 2SC3281 2SA1302.
All Regulated Power Supply.
No Overall Negative Feedback.
50W/8ohm, THD<1%
Made by Altium Design / Protel CAD Database
Schematics:
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| Regulated Power Supply of Power Stage |
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| Output Power Stage Triple Emitter Follower |
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| Vacuum Tube VAS Stage |
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| Vacuum Tube Power Supply |
Amplifier and Power Supply PCB , Printed Circuit Boards:
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| Power Output Stage, Output devices 2SC3281-2SA1302 |
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| Signal VAS Prited Circuit Board 12AX7/ECC83 |
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| Signal Stage Power Supply |
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| Current Buffer Regulated Power Supply |
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