2A3 Single End Class A amplifier - diyAudio
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Old 12th August 2010, 03:17 PM   #1
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Default 2A3 Single End Class A amplifier

This is our 2A3 single end class A integrated amplifier which is designed and made on the basis of the classic 2A3 circuit, 6SN7 double triode drives 2A3 in class A single end with 5U4G rectifier. The output power is 4W. 2A3 is a direct heated triode, but unlike 300B, the sound of 2A3 is more transparent, dynamic and fast...

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Old 13th August 2010, 02:31 PM   #2
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Full Music 6SN7 and Shuguang 2A3C.
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Old 15th August 2010, 03:12 PM   #3
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Shuguang 2A3C and RCA 5U4G rectifier.
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Old 17th August 2010, 04:37 PM   #4
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This is the hand-made power transformer which was particularly made for 2A3 single end.
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Old 22nd August 2010, 04:34 PM   #5
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Old 4th March 2012, 03:04 PM   #6
Ben cvt is offline Ben cvt  Malaysia
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Pm me price
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Old 5th March 2012, 12:05 PM   #7
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Please check PM. Thanks.
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Pm me price
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Old 17th March 2013, 03:06 AM   #8
HPH is offline HPH  Viet Nam
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Hi Mr.Tony,
Can you pm price og 2a3 amp
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Old 18th March 2013, 04:47 AM   #9
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Hello,

Please check pm for reply.

Thanks,
Tony.
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Hi Mr.Tony,
Can you pm price og 2a3 amp
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Old 19th March 2013, 11:30 AM   #10
HPH is offline HPH  Viet Nam
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Hi Mr.Tony,
can you please advice more infos of 2a3 amp such as chassis, transformer,..
Thanks
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