The DIYHifiSupply.com Joplin amplifier Kit

rick57 · 22nd May 2005, 09:58 AM

Anyone here (apart from KWV) built or heard this PP 2A3 / 45/ 300B kit from HK? Especially the 2A3 vesion

Thanks

hkoetz · 22nd May 2005, 11:33 AM

I built this amp kit a few years ago. Kit quality was high and easy to assemble. It sounded fine too. I have sold the amp now to free money for a new project.

rick57 · 23rd May 2005, 11:14 AM

What were its strengths & weaknesses?

With high efficency speakers, was it ok for rock music

Thanks

rick57 · 31st May 2005, 09:50 PM

Anyone with 2A3 PP expeience they'd like to share?

Thanks

jpechloe · 5th June 2005, 12:27 AM

Have the factory wired joplin with sovtek 2a3's for 1 year now in stock form with the feedback loop disconnected driving a 88db custom made single driver loudspeaker sytem with excellent sound quality highly recommended, also search for TORFINN in this tube forum to find out his opinion and mods he made to the amp.

Have a look at my web site: http://torsound.tripod.com

bone43 · 5th June 2005, 01:08 AM

http://www2u.biglobe.ne.jp/~tossie/F2A3PP-E.html

Go here, this is a good sounding amp I have built 2 of them now if you
Got the bucks use the amorphous core Lundahl output trannies it’s a keeper.

Bone43

rick57 · 5th June 2005, 01:42 AM

Thanks guys - I’ll digest and consider

bone43 · 5th June 2005, 06:50 AM

Opps forgot to mention I subbed the 6n7g for the 6a6, the 6n7 is an octal socket while the 6a6 is a 7 pin and maybe hard to find for some They are identical otherwise.

Brap · 16th February 2011, 02:35 PM

Yes, built this a few years ago. Great amp. Use it to drive an vintage Jensen Imperial which is a great match. Also have driven Klipsc forte's with absolutely lovely sound. Upgraded tthe caps and resistors. No HUM! enjoy this process.

porkchop61 · 16th February 2011, 08:23 PM

Wow, a reply 6 years later!

22nd May 2005, 09:58 AM	#1
rick57 diyAudio Member Join Date: Dec 2002 Location: dry ol Melbourne Australia	The DIYHifiSupply.com Joplin amplifier Kit Anyone here (apart from KWV) built or heard this PP 2A3 / 45/ 300B kit from HK? Especially the 2A3 vesion Thanks

22nd May 2005, 11:33 AM	#2
hkoetz diyAudio Member Join Date: May 2003 Location: Arnhem	The DIYHifiSupply.com Joplin amplifier Kit I built this amp kit a few years ago. Kit quality was high and easy to assemble. It sounded fine too. I have sold the amp now to free money for a new project. __________________ Lateral is best!

5th June 2005, 01:08 AM	#6
bone43 diyAudio Member Join Date: Oct 2004	good 2a3-pp http://www2u.biglobe.ne.jp/~tossie/F2A3PP-E.html Go here, this is a good sounding amp I have built 2 of them now if you Got the bucks use the amorphous core Lundahl output trannies it’s a keeper. Bone43

5th June 2005, 06:50 AM	#8
bone43 diyAudio Member Join Date: Oct 2004	pp-2a3 Opps forgot to mention I subbed the 6n7g for the 6a6, the 6n7 is an octal socket while the 6a6 is a 7 pin and maybe hard to find for some They are identical otherwise.

16th February 2011, 02:35 PM	#9
Brap diyAudio Member Join Date: Jan 2004 Location: Chicago, Ill	Joplin Amp Yes, built this a few years ago. Great amp. Use it to drive an vintage Jensen Imperial which is a great match. Also have driven Klipsc forte's with absolutely lovely sound. Upgraded tthe caps and resistors. No HUM! enjoy this process.


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23rd May 2005, 11:14 AM	#3
rick57 diyAudio Member Join Date: Dec 2002 Location: dry ol Melbourne Australia	What were its strengths & weaknesses? With high efficency speakers, was it ok for rock music Thanks

31st May 2005, 09:50 PM	#4
rick57 diyAudio Member Join Date: Dec 2002 Location: dry ol Melbourne Australia	Anyone with 2A3 PP expeience they'd like to share? Thanks

5th June 2005, 12:27 AM	#5
jpechloe diyAudio Member Join Date: Sep 2004 Location: Ontario, Canada	Have the factory wired joplin with sovtek 2a3's for 1 year now in stock form with the feedback loop disconnected driving a 88db custom made single driver loudspeaker sytem with excellent sound quality highly recommended, also search for TORFINN in this tube forum to find out his opinion and mods he made to the amp. Have a look at my web site: http://torsound.tripod.com

5th June 2005, 01:42 AM	#7
rick57 diyAudio Member Join Date: Dec 2002 Location: dry ol Melbourne Australia	Thanks guys - I’ll digest and consider

16th February 2011, 08:23 PM	#10
porkchop61 diyAudio Member Join Date: Aug 2004 Location: Mansfield, Connecticut	Wow, a reply 6 years later! __________________ "Imagination is more important than knowledge"

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