FS ESP P101 Amp

john65b · 23rd February 2008, 01:57 PM

I have a completed and working P-101 amp for consideration. Built exactly to spec, but with a lower voltage transformer to experiment into class A.

Anyway, I can replace the transformer to the spec'ed 40VAC to get the 350 wpc class AB as initially designed if requested.

Also considering selling just amp board and/or power supply without chassis (chassis alone cost me $190 from Italy - hifi2000 Dissipante 4U model)

A fine amp and recently upstaged by my new Krell Clone.

Pic to follow later

Luke · 24th February 2008, 07:38 AM

john, I may be interested in just the boards. One of my channes is DC and keep blowing up transistors. How much would you want for the main boards shipped to NZ.

john65b · 24th February 2008, 02:05 PM

Luke,

I have sent you an email. The boards work perfectly.

Is there a problem with the power supply that is causing that transistor or channel to blow?

This is preferred as I was looking to reuse the PS and chassis for a Zen Amp anyway...

Luke · 26th February 2008, 07:24 AM

John thanks for your mail. I think I will try and fix the channel, seems a waste to just pop in a new pair of boards. Im pre plug and play culture:-)
I suspect that although my mosfets seem to test ok, they are the problem, it really cant be anything else cos Ive checked it so thoroughly. Wish me luck, BTW I bought my mosfets from diytech, nice service.

23rd February 2008, 01:57 PM	#1
john65b diyAudio Member Join Date: Jan 2005 Location: Chicago	FS ESP P101 Amp I have a completed and working P-101 amp for consideration. Built exactly to spec, but with a lower voltage transformer to experiment into class A. Anyway, I can replace the transformer to the spec'ed 40VAC to get the 350 wpc class AB as initially designed if requested. Also considering selling just amp board and/or power supply without chassis (chassis alone cost me $190 from Italy - hifi2000 Dissipante 4U model) A fine amp and recently upstaged by my new Krell Clone. Pic to follow later __________________ "I speak Spanish to God, Italian to Women, French to Men, and German to my Horse" - Charles V

24th February 2008, 02:05 PM	#3
john65b diyAudio Member Join Date: Jan 2005 Location: Chicago	Luke, I have sent you an email. The boards work perfectly. Is there a problem with the power supply that is causing that transistor or channel to blow? This is preferred as I was looking to reuse the PS and chassis for a Zen Amp anyway... __________________ "I speak Spanish to God, Italian to Women, French to Men, and German to my Horse" - Charles V

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24th February 2008, 07:38 AM	#2
Luke diyAudio Member Join Date: Sep 2001 Location: Wellington NZ	john, I may be interested in just the boards. One of my channes is DC and keep blowing up transistors. How much would you want for the main boards shipped to NZ.

26th February 2008, 07:24 AM	#4
Luke diyAudio Member Join Date: Sep 2001 Location: Wellington NZ	John thanks for your mail. I think I will try and fix the channel, seems a waste to just pop in a new pair of boards. Im pre plug and play culture:-) I suspect that although my mosfets seem to test ok, they are the problem, it really cant be anything else cos Ive checked it so thoroughly. Wish me luck, BTW I bought my mosfets from diytech, nice service.

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