26/45 SE amp ?

dobias · 22nd June 2011, 12:47 PM

Are there any type 26 driver SE (45, 2A3 or 300B) power amps? The only way I find the 26 used is in a line amp.

boywonder · 22nd June 2011, 02:35 PM

Frank: The search button is your friend....

26 Driver Tube for 45 - Operating Points

Back at the 45 SET

One of the posts refers to Gary Pimm's 26 driven parafeed 45 amp, but the link is broken......

DHT drivers - shootout

Looking for 300B or 2A3 design suggestions......gearing up for a new project

Vinylsavor · 22nd June 2011, 08:03 PM

Hi!

I built a 26 / 35 amp, see links below. Actually the driver can be configured for either 26 or 10Y type tubes. Output is switchable between 45 and 2A3

VinylSavor: Making of an 45 / 2A3 amplifier

The PSU:

VinylSavor: Making of a 45 / 2A3 amplifier, Part 2 - The PSU

Best regards

Thomas

MrCurwen · 22nd June 2011, 08:43 PM

My main amp is a 27 driving a 71A, direct coupled. Sound is probably very similar to a 26 / 45 amp, which is to say magnificent! So I say go for it.

dobias · 23rd June 2011, 03:33 AM

boywonder.
You not only help to get me out of trouble, you help to get me into trouble as well.
The information you've listed is over a hundred pages of serious reading. If the participants could only come to a conclusion as to what is best, I wouldn't have so many decisions to make.
I see you have your own plans to work on.
Thanks to everyone for the inputs.
Frank

Original Burnedfingers · 23rd June 2011, 11:00 AM

quote:
My main amp is a 27 driving a 71A, direct coupled. Sound is probably very similar to a 26 / 45 amp, which is to say magnificent! So I say go for it.

Heck I'd love to see the schematic on the 27/45

There are many talented people on this forum maybe someone will draw up something for the 26/45 quest.

Vinylsavor · 23rd June 2011, 12:05 PM

Hi!

Quote:

Originally Posted by 6BG6GA

My main amp is a 27 driving a 71A, direct coupled. Sound is probably very similar to a 26 / 45 amp, which is to say magnificent! So I say go for it.

27 is a great tube and matches the 71A well! 26 is another league however and will sound even better but requires much more care due to the filament supply needs.

For a 45 a 27 or 26 will not provide enough gain to reach the usual sensitivities. Either a preamp with enough gain is required or a input transformer with step up.

Quote:

Originally Posted by 6BG6GA

Heck I'd love to see the schematic on the 27/45

Check out the schematic of my 46 amp:

VinylSavor: Single Ended Amplifier Concept, Part 7

Can be adapted for 45 as output tube. A 27 would fit in nicely, but note my remarks about gain above.

Best regards ... Thomas

22nd June 2011, 12:47 PM	#1
dobias diyAudio Member Join Date: Jun 2007	26/45 SE amp ? Are there any type 26 driver SE (45, 2A3 or 300B) power amps? The only way I find the 26 used is in a line amp.

22nd June 2011, 08:03 PM	#3
Vinylsavor diyAudio Member Join Date: Feb 2002 Location: Lindau	Hi! I built a 26 / 35 amp, see links below. Actually the driver can be configured for either 26 or 10Y type tubes. Output is switchable between 45 and 2A3 VinylSavor: Making of an 45 / 2A3 amplifier The PSU: VinylSavor: Making of a 45 / 2A3 amplifier, Part 2 - The PSU Best regards Thomas __________________ http://vinylsavor.blogspot.com/

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22nd June 2011, 02:35 PM	#2
boywonder diyAudio Member Join Date: Jan 2008 Location: So.Cal.	Frank: The search button is your friend.... 26 Driver Tube for 45 - Operating Points Back at the 45 SET One of the posts refers to Gary Pimm's 26 driven parafeed 45 amp, but the link is broken...... DHT drivers - shootout Looking for 300B or 2A3 design suggestions......gearing up for a new project

22nd June 2011, 08:43 PM	#4
MrCurwen diyAudio Member Join Date: Feb 2010	My main amp is a 27 driving a 71A, direct coupled. Sound is probably very similar to a 26 / 45 amp, which is to say magnificent! So I say go for it.

23rd June 2011, 03:33 AM	#5
dobias diyAudio Member Join Date: Jun 2007	boywonder. You not only help to get me out of trouble, you help to get me into trouble as well. The information you've listed is over a hundred pages of serious reading. If the participants could only come to a conclusion as to what is best, I wouldn't have so many decisions to make. I see you have your own plans to work on. Thanks to everyone for the inputs. Frank

23rd June 2011, 11:00 AM	#6
Original Burnedfingers diyAudio Member Join Date: Nov 2002	quote: My main amp is a 27 driving a 71A, direct coupled. Sound is probably very similar to a 26 / 45 amp, which is to say magnificent! So I say go for it. Heck I'd love to see the schematic on the 27/45 There are many talented people on this forum maybe someone will draw up something for the 26/45 quest.

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