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Old 15th November 2007, 01:51 PM   #1
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Join Date: Aug 2007
Default First Watt F1 Pcb

Hi i'm max!

i have a question....and a problem at the same time.

there's a place in the world ........where i can buy the PCB's for the First Watt F1 amplifier?



open your mind
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Old 16th November 2007, 09:49 AM   #2
Gordy is offline Gordy  United Kingdom
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Consider asking this question in the Pass section of this forum... you may get a better response.
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Old 16th November 2007, 10:00 AM   #3
Variac is offline Variac  Costa Rica
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Location: San Francisco, USA San Josť, Costa Rica
"The geek shall inherit the earth"
Burning Amp thread here on diyAudio
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Old 19th November 2007, 04:12 PM   #4
suds is offline suds  India
Join Date: Feb 2006
Location: Bangalore
Default F1 Power Supply Clone,

F1 Power Supply Clone,
Check image file attached.

email me, for details.

Attached Images
File Type: gif f1-ps-pcbclone1.gif (98.9 KB, 2750 views)
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Old 25th November 2007, 04:50 PM   #5
suds is offline suds  India
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Location: Bangalore
Default First Watt F1 PCB Clone


I have made PCB from schematic.
Both Power Supply and Amp Boards are ready.

There is difference in size & components size (resistors / Pot )

e-mail me, for further details, I will mail you pdf or PS Board and AMP board.

(Attached is image of AMP Board)
Attached Images
File Type: jpg f1-amp-brd.jpg (69.4 KB, 2328 views)
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Old 1st January 2008, 04:05 PM   #6
suds is offline suds  India
Join Date: Feb 2006
Location: Bangalore
Default F1 Board Prototype tested

hello all..

F1 Board prototype is ready, working fine .

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.. !

Instead of ztx550, BC557 is used.
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Old 18th October 2008, 02:50 PM   #7
hife is offline hife  India
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Default Are PCB Available ?


I don't see any further posts on PCB.

Are they available.. ?
I am making PCB for myself, I don't mind making few more. !!! But there is no match for Origal PCB's!.
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Old 20th October 2008, 06:58 AM   #8
steenoe is offline steenoe  Denmark
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Acaudio made a nice pdf for home-etching :
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Old 22nd October 2008, 02:26 PM   #9
helfred is offline helfred  Denmark
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Location: Copenhagen
Hi Hife,

If not too late I'm interested in 2 x amp and 1 x psu boards.

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Old 28th October 2008, 11:33 AM   #10
hife is offline hife  India
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Default Hii


I have not yet started working on it,

I am making this for my own use, I dont want to go against copyright etc.

I want to hear from author, owners also.

these are hand made, chemical etched PCB.
just sharing my PCB,

helfred I am not able to mail you, you e-mail me ( Still Under moderation) don't know why ???

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