Class A Amp Info Please!!

Angel-Baby · 4th July 2004, 05:12 AM

Hello all I was wondering if anyone has built one of these Class A Amp Kits from Altronics ???

http://www.altronics.com.au/cat.asp?...p=427&id=K5109

If so what does it sound like and how does it compare to say the JLH Class A Design?

Any info greatly appreciated

Cheers
Angel-Baby

sreten · 4th July 2004, 03:32 PM

At the price (£17.50) looks extremely good value, the additional
regulated +/-V regulator board is even better value (£10.50),
and I recommend you use one per amplifier board.

I have no experience of the amplifier but it seems excellent value.

Compare to :

http://www.williamshart.com/classa.htm

sreten.

Angel-Baby · 4th July 2004, 08:43 PM

Hi Sreten thanks for your reply, the price of the kit is very good I thought compaired to making other class A amps I am going to purchase one kit and the power supply kit for it also and see how it sounds.

Cheers
Angel-Baby

sreten · 5th July 2004, 11:53 AM

Hmmm.........

Well heatsinking, the case and power supply transformer
and capacitors is going to be a major part of the cost.

I recommend you build a stereo amplifier and share parts.

Heatsinking is very important for class A so make sure this is right.

sreten.

destroyer X · 6th July 2004, 12:36 AM

Designer must make all the efforces he can, to destroy the quality of one class A amplifier..... normally misadjusted extremelly, you can have at least 1 clean watt.....normally astounding watt!

Carlos

Nelson Pass · 6th July 2004, 01:01 AM

Such perfect sentiment, DX.

Dick Olsher ( www.blackdahlia.com ) said "The first watt
is the most important watt".

Someone on this forum did equally well: "Who cares what an
amp sounds like at 300 watts when it's sh*t at 1 watt?"

This of course was the inspiration in the naming of my new
kitchen-table enterprise.

destroyer X · 6th July 2004, 03:17 AM

Simple and small amplifiers, is that true?

I am interested..... i was reading Pass A40, but think it is complicated, better to wait your news.

regards,

Carlos

Nelson Pass · 6th July 2004, 04:13 AM

First W*tt F1 is 10 watts into 8 ohms. No feedback.
Perfect into Lowthers and Fostex. Only 100 will be
available. Not coming soon to a store near you.

AKSA · 6th July 2004, 06:32 AM

The SC 1998 Class A 15W amp is a competent amplifier.

It sounds pretty good, but nothing wonderful, not to be compared to the JLH, for example.

However, it measures extremely well............

Quote:

Not coming to a store near you...

One of the most artful comments this year, NP!

Cheers,

Hugh

Angel-Baby · 6th July 2004, 06:57 AM

Hello Everyone and thankyou for all your input much appreciated I think I might just stick with the jlh class A as there is a lot of support in this great forum for the jlh and a lot of positvie feedback for the jlh
Thanks once again
Cheers
Angel-Baby

4th July 2004, 05:12 AM	#1
Angel-Baby diyAudio Member Join Date: Jan 2004 Location: Victoria	Class A Amp Info Please!! Hello all I was wondering if anyone has built one of these Class A Amp Kits from Altronics ??? http://www.altronics.com.au/cat.asp?...p=427&id=K5109 If so what does it sound like and how does it compare to say the JLH Class A Design? Any info greatly appreciated Cheers Angel-Baby

6th July 2004, 12:36 AM	#5
destroyer X diyAudio Member Join Date: Feb 2004 Location: Recife - Brasil Northeast	Beeing class A, difficult to be bad Designer must make all the efforces he can, to destroy the quality of one class A amplifier..... normally misadjusted extremelly, you can have at least 1 clean watt.....normally astounding watt! Carlos __________________ Try to build an amplifier folks ... it is pure adrenaline!

6th July 2004, 03:17 AM	#7
destroyer X diyAudio Member Join Date: Feb 2004 Location: Recife - Brasil Northeast	Thank you, people told me you are going to develop... Simple and small amplifiers, is that true? I am interested..... i was reading Pass A40, but think it is complicated, better to wait your news. regards, Carlos __________________ Try to build an amplifier folks ... it is pure adrenaline!

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4th July 2004, 03:32 PM	#2
sreten diyAudio Member Join Date: Nov 2003 Location: Brighton UK	At the price (£17.50) looks extremely good value, the additional regulated +/-V regulator board is even better value (£10.50), and I recommend you use one per amplifier board. I have no experience of the amplifier but it seems excellent value. Compare to : http://www.williamshart.com/classa.htm sreten.

4th July 2004, 08:43 PM	#3
Angel-Baby diyAudio Member Join Date: Jan 2004 Location: Victoria	Hi Sreten thanks for your reply, the price of the kit is very good I thought compaired to making other class A amps I am going to purchase one kit and the power supply kit for it also and see how it sounds. Cheers Angel-Baby

5th July 2004, 11:53 AM	#4
sreten diyAudio Member Join Date: Nov 2003 Location: Brighton UK	Hmmm......... Well heatsinking, the case and power supply transformer and capacitors is going to be a major part of the cost. I recommend you build a stereo amplifier and share parts. Heatsinking is very important for class A so make sure this is right. sreten.

6th July 2004, 01:01 AM	#6
Nelson Pass The one and only Join Date: Mar 2001	Such perfect sentiment, DX. Dick Olsher ( www.blackdahlia.com ) said "The first watt is the most important watt". Someone on this forum did equally well: "Who cares what an amp sounds like at 300 watts when it's sh*t at 1 watt?" This of course was the inspiration in the naming of my new kitchen-table enterprise.

6th July 2004, 04:13 AM	#8
Nelson Pass The one and only Join Date: Mar 2001	First W*tt F1 is 10 watts into 8 ohms. No feedback. Perfect into Lowthers and Fostex. Only 100 will be available. Not coming soon to a store near you.

6th July 2004, 06:57 AM	#10
Angel-Baby diyAudio Member Join Date: Jan 2004 Location: Victoria	Hello Everyone and thankyou for all your input much appreciated I think I might just stick with the jlh class A as there is a lot of support in this great forum for the jlh and a lot of positvie feedback for the jlh Thanks once again Cheers Angel-Baby

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