Anyone who has made a pure single-end poweramplifier

Progg70 · 18th October 2005, 05:44 AM

Is there anyone who has made a pure single-end poweramplifier, not based on tubes and with a passive volume control?
I was listening to one and it played amazing and hot.
You have a totally another harmonic distortion similar to nature and not the ordinary non-harmonic distortion that is in class-A, class-B amplifiers.

Will · 18th October 2005, 06:10 AM

Where have you been all these years ?

Progg70 · 18th October 2005, 09:39 AM

I’m back!

Is there some one who has heard one? They are rare.

Why do thing the complicated way. A single-end seems to bee so simple. OK you can probably only get 30 W, but with speakers for 1/90W and normally rooms that’s no problem.
Then you have another headroom for the amp., and what a sound, amazing. Hard to describe but everything was there and you almost had the smoky club air in your face. You sat there and was listen listen listen and you where never tired…

Steve Eddy · 18th October 2005, 03:59 PM

Quote:

Originally posted by Progg70
Is there anyone who has made a pure single-end poweramplifier, not based on tubes and with a passive volume control?

Well, sort of. Depending on what restrictions you may be putting on "single-ended power amplifier."

I've been working for the past few years on a concept which uses an input step-up transformer for voltage gain coupled to a single-ended follower. So if that qualifies as a "single-ended power amplifier" then yes. Otherwise, um, no.

se

PMA · 18th October 2005, 04:03 PM

Howdy Steve,

have you also tried pure transformer power amplifier without any active device?

Cheers,
Pavel

PMA · 18th October 2005, 04:56 PM

Steve -
your reply disappeared?

Progg70 · 19th October 2005, 10:27 AM

When I talk about Single-end I mean as the picture below.

I try to make one with an ordinary OP in the front. Have anyone any schematics?

wuffwaff · 19th October 2005, 10:36 AM

Hi,

take a look at the pass forum or have a look at PASDIY.com You can find all sorts of solid state, single ended power amplifiers like ZEN, SOZEN, ALEPH etc. etc. etc.

There must be thousends of them build everywhere

William

Progg70 · 19th October 2005, 03:59 PM

Thanks again.

DRC · 19th October 2005, 04:10 PM

You might want to also include amps with an active current source, eg the Aleph series and the JLH (John Lindsey Hood).

18th October 2005, 05:44 AM	#1
Progg70 diyAudio Member Join Date: Jul 2004 Location: Sweden	Anyone who has made a pure single-end poweramplifier Is there anyone who has made a pure single-end poweramplifier, not based on tubes and with a passive volume control? I was listening to one and it played amazing and hot. You have a totally another harmonic distortion similar to nature and not the ordinary non-harmonic distortion that is in class-A, class-B amplifiers.

18th October 2005, 09:39 AM	#3
Progg70 diyAudio Member Join Date: Jul 2004 Location: Sweden	Is there some one who has heard one? They are rare. I’m back! Is there some one who has heard one? They are rare. Why do thing the complicated way. A single-end seems to bee so simple. OK you can probably only get 30 W, but with speakers for 1/90W and normally rooms that’s no problem. Then you have another headroom for the amp., and what a sound, amazing. Hard to describe but everything was there and you almost had the smoky club air in your face. You sat there and was listen listen listen and you where never tired…

19th October 2005, 10:36 AM	#8
wuffwaff diyAudio Member Join Date: Aug 2001 Location: Ingolstadt Germany	Hi, take a look at the pass forum or have a look at PASDIY.com You can find all sorts of solid state, single ended power amplifiers like ZEN, SOZEN, ALEPH etc. etc. etc. There must be thousends of them build everywhere William __________________ een ooievaar is geen konijn want zijn oren zijn te klein!

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18th October 2005, 06:10 AM	#2
Will diyAudio Member Join Date: Sep 2001 Location: Kuala Lumpur	Where have you been all these years ?

18th October 2005, 04:03 PM	#5
PMA diyAudio Member Join Date: Apr 2002 Location: Prague, Kitakyushu, Fukuoka	Howdy Steve, have you also tried pure transformer power amplifier without any active device? Cheers, Pavel

19th October 2005, 03:59 PM	#9
Progg70 diyAudio Member Join Date: Jul 2004 Location: Sweden	Thanks again.

19th October 2005, 04:10 PM	#10
DRC diyAudio Member Join Date: Jan 2003 Location: UK (south west)	You might want to also include amps with an active current source, eg the Aleph series and the JLH (John Lindsey Hood).

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