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Old 4th November 2004, 08:16 PM   #1
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Default Short list of DIY tube amps with PCBs available...

Could you all help me create a short list of DIY tube designs where PCBs (and preferably documentation as well) are available? I'm interested in a building a small (in size and in power, <10W) stereo amp to accompany my Fostex FE103E's. I've liked the size and price of the ASL Wave 8s, which aren't available for sale anymore. Can anyone think of any DIY designs that are very similar to the Wave 8s?
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Old 4th November 2004, 08:51 PM   #2
JochenH is offline JochenH  Germany
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Hi,

have a look at www.diytube.com . There is a nice PCB based Dynaco ST35 rebuild, PCBs are available, but not the layout for own manufacturing .
They also have a small forum with discussions and modifications.

Jochen
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Old 4th November 2004, 11:55 PM   #3
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tubesandmore.com sells small PCB based amp kits. They have an 8W mono for $90 and an 8W stereo with attenuator for $140.

Plitron.com sells PCBs for 70-100W EL-34 amp designed by Menno Vanderveen, seemingly meant to go along with Plitron's matching power and output transformers.
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Old 5th November 2004, 12:40 AM   #4
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Svetlana has a schematic on their website outlining a PP pentode 6BM8 amplifier here: http://www.svetlana.com/graphics/TB/No10fig4.gif

I believe it would be similar to the ASL Wave8

Most valve circuits are not too complicated and generally don't require the use of a PCB... (i.e. allowing point-to-point wiring)
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Old 5th November 2004, 01:15 AM   #5
mcs is offline mcs  Denmark
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...but if you want a PCB and some instructions for the Svetlana circuit, just give me a week or two and send me a cheque

I believe that circuit was based on the Sansui 500 output stage, and the Sansui is a great sounding amp (my mother has one). The circuit is simple, so drawing a PCB wouldn't take long...

Best regards,

Mikkel C. Simonsen
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Old 5th November 2004, 08:02 AM   #6
drcy is offline drcy  Hong Kong
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Default Search PCB at China or HK

Many DIY tube amp PCBs in very reasonable price. Let try!
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Old 5th November 2004, 09:20 AM   #7
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www.diyclub.biz makes excellent PCBs. Or do a search for PCB on Ebay. There are more people that sell designs there.

The quality of the PCB is on a professional level.
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Old 5th November 2004, 12:36 PM   #8
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Thank you all for your replies, I learned a lot. I think I've decided that I need to pick a design that is simple enough to complete without a PCB. I wasn't aware that tube amplifiers could involve so few components.

Does anyone know where I could see an implementation of the Svetlana 6BM8? Any comments on it's performance?
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Old 5th November 2004, 01:02 PM   #9
mcs is offline mcs  Denmark
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Quote:
Originally posted by m0tion
Does anyone know where I could see an implementation of the Svetlana 6BM8? Any comments on it's performance?
You can see the original "implementation" on my website (the Sansui 500).

Best regards,

Mikkel C. Simonsen
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