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Old 27th November 2007, 08:55 AM   #1
suds is offline suds  India
Join Date: Feb 2006
Location: Bangalore
Cool First Watt F1 Boards


First Watt F1 clone PCB's set (Amp Boards and Power Supply Boards)

2 of Amp boards (Left and Right channel) Plus one Power Supply Board
3 PCB set will cost $30 plus postage / shipping charges as per EMS, intl currier charges.

Board PCB Images are available, cannot post here due to size constraints. will mail you on request.

Old 27th November 2007, 03:25 PM   #2
Algar_emi is offline Algar_emi  Canada
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Location: Canada, Qc
First Watt  F1  Boards
You have mail.

Old 29th November 2007, 11:53 AM   #3
menekken is offline menekken  Italy
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Join Date: Aug 2007
one kit for me.....
open your mind
Old 29th November 2007, 12:22 PM   #4
wim is offline wim  Netherlands
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Join Date: Sep 2003
Location: Nootdorp, Netherlands
Please, sign me in for 2 sets please. Can you please mail the board PCB images to me?
Als er "X" artikelen benodigd zijn, blijken er "X" - 1 in voorraad te zijn.
Old 6th December 2007, 07:10 PM   #5
Valeriano is offline Valeriano  Italy
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Join Date: Nov 2006
Location: Milan
Default f1

Hello there!

could you pls post us the layout and finishing of the boards ?

vielen dank

Old 10th December 2007, 04:35 PM   #6
Mazuki is offline Mazuki  United States
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Join Date: Mar 2007
I'd like a set of boards too
Old 11th December 2007, 02:21 PM   #7
suds is offline suds  India
Join Date: Feb 2006
Location: Bangalore
Default Delay- Due to PC down


Due to Virus, my PC was down, so could not update you all.

I was not able to get ZTX550, so I am using BC557 as substitute.

IRFP240 and IRFP9240, pair was available for $6 (pair).

Old 22nd December 2007, 02:21 PM   #8
wlhuang is offline wlhuang  Tibet
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Join Date: May 2004
Location: ............
one kit for me

Old 30th December 2007, 04:09 PM   #9
suds is offline suds  India
Join Date: Feb 2006
Location: Bangalore
Default F1 Board Tested.. !

Hello Everybody!!

Merry Xmas & Happy New Year..

Sorry fo delay due to holidays, and parts availability.

Final Stage of F1 Amp

Now that I have a working F1 Amplifier.... Observed the following...
(I did not put Heat sink.)

MOSFET becomes Very very Hot.. (Q3 and Q4 Smokes with out heat sink)
Thick Heat sink with silicon paste and insulation is required.

Quality of sound is very good.. !

I will I have signed up with paypal, will mail details tomorrow...

Instead of ztx550, BC557 is used.

Attached is parts list I used.
Attached Files
File Type: txt amp-circ-lch1.txt (4.2 KB, 278 views)
Old 4th January 2008, 05:16 PM   #10
Myron is offline Myron  United Kingdom
diyAudio Member
Join Date: Jan 2007
Location: Mostly in Plymouth
Hi there, I'm interested in a stereo set, could you forward images and let me have an idea of shipping costs to the UK?

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