2A3 Single End Class A amplifier

Musik007 · 12th August 2010, 03:17 PM

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...

Musik007 · 13th August 2010, 02:31 PM

Full Music 6SN7 and Shuguang 2A3C.

Musik007 · 15th August 2010, 03:12 PM

Shuguang 2A3C and RCA 5U4G rectifier.

Musik007 · 17th August 2010, 04:37 PM

This is the hand-made power transformer which was particularly made for 2A3 single end.

Musik007 · 22nd August 2010, 04:34 PM

Re

Ben cvt · 4th March 2012, 03:04 PM

Pm me price

Musik007 · 5th March 2012, 12:05 PM

Please check PM. Thanks.

Quote:

Originally Posted by Ben cvt

Pm me price

HPH · 17th March 2013, 03:06 AM

Hi Mr.Tony,
Can you pm price og 2a3 amp

Musik007 · 18th March 2013, 04:47 AM

Hello,

Please check pm for reply.

Thanks,
Tony.

Quote:

Originally Posted by HPH

Hi Mr.Tony,
Can you pm price og 2a3 amp

HPH · 19th March 2013, 11:30 AM

Hi Mr.Tony,
can you please advice more infos of 2a3 amp such as chassis, transformer,..
Thanks

12th August 2010, 03:17 PM	#1
Musik007 diyAudio Member Join Date: Nov 2009	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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4th March 2012, 03:04 PM	#6
Ben cvt diyAudio Member Join Date: Jan 2012	Pm me price

17th March 2013, 03:06 AM	#8
HPH diyAudio Member Join Date: Dec 2008	Hi Mr.Tony, Can you pm price og 2a3 amp

19th March 2013, 11:30 AM	#10
HPH diyAudio Member Join Date: Dec 2008	Hi Mr.Tony, can you please advice more infos of 2a3 amp such as chassis, transformer,.. Thanks