6550 se amp

Chad · 10th December 2001, 04:44 AM

I'm thinking about building the 6550 amp in the Audio Express Sep 2001 edition. Its designed by Rick Spencer. Any oneelse build it? Any thought or comments are welcome.

Thanks, Chad
When I get some time I'll try and post the schematic.

mg16 · 10th December 2001, 11:57 PM

I saw the article, and it looks fairly simple to build. The 6550 is a good sounding tube, although I have only heard it in push-pull. My old Quicksilver Silver Monos used 6550 B3 from Svetlana, and sounded a lot like a single ended triode amp.
I recently came across a used set of Doc Bottlehead 2a3 Paramours at a good price, and am now a firm believer in SET'S. After listening to these amps, I have decided to do Eric Barbours "single ended glory" 45 tube amp, which is also simple looking.
I just blew my last spare few hundred bucks on some 45 tubes, a Hammond chassis, the chokes, power trannie, etc. Need to get the opt's, and some passive components, and put it all together.
mg16

Thatch_Ear · 24th December 2001, 05:27 AM

I am going to post on the tradin post

tubenut33 · 15th September 2011, 05:48 PM

I have built this amplifier,and with modification on the driver section i.e. use the 2 sections of the 6sn7,it now sounds wonderful.If you desire,you can access a thread or two by looking at``6550 single-ended amplifier``on this forum.If you haven`t already...

10th December 2001, 11:57 PM	#2
mg16 diyAudio Member Join Date: Nov 2001 Location: western pa	Was considering it also.. I saw the article, and it looks fairly simple to build. The 6550 is a good sounding tube, although I have only heard it in push-pull. My old Quicksilver Silver Monos used 6550 B3 from Svetlana, and sounded a lot like a single ended triode amp. I recently came across a used set of Doc Bottlehead 2a3 Paramours at a good price, and am now a firm believer in SET'S. After listening to these amps, I have decided to do Eric Barbours "single ended glory" 45 tube amp, which is also simple looking. I just blew my last spare few hundred bucks on some 45 tubes, a Hammond chassis, the chokes, power trannie, etc. Need to get the opt's, and some passive components, and put it all together. mg16

24th December 2001, 05:27 AM	#3
Thatch_Ear diyAudio Member Join Date: Nov 2001 Location: Dallas,Tx	6550s I am going to post on the tradin post __________________ Thatch

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10th December 2001, 04:44 AM	#1
Chad diyAudio Member Join Date: Aug 2001 Location: Florida, USA	I'm thinking about building the 6550 amp in the Audio Express Sep 2001 edition. Its designed by Rick Spencer. Any oneelse build it? Any thought or comments are welcome. Thanks, Chad When I get some time I'll try and post the schematic.

15th September 2011, 05:48 PM	#4
tubenut33 diyAudio Member Join Date: Mar 2011 Location: MONTRÉAL	I have built this amplifier,and with modification on the driver section i.e. use the 2 sections of the 6sn7,it now sounds wonderful.If you desire,you can access a thread or two by looking at``6550 single-ended amplifier``on this forum.If you haven`t already...

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