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Old 20th August 2014, 06:01 PM   #2761
bykoz is offline bykoz  Turkey
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Location: BURSA
This is my latest F5 amplifier build.
Its my traditional Tower F5 amplifier so far i have built 3 of them the last one with bias indicator of each channel.

As usual it hase two big can 47 000uf Italian Kendeil capacitors plus 4pcs 10 000uf Rubycon capacitors to boost bass performance.
I powered it with 300va transformers , i use 300va transformers in all my F5 amplifier and up to now i find 300va sufficient for F5 . The amp chassis meanwhile it is the only heatsink on the amp roated on the granite bottom with 2cm tick.

It has integrated pre amplifier with two opa627 op-amp with 10dB also remote control of Sony protocol with Alps motorized potentiometer.Tower has 2 independent input you can sellect them fom remote.

the output mosfets are Toshiba 2sj201 and 2sk1530 and i find them more colorfull over irfp series.

For those who want to control his systeam with remote i offer control board or remote on eBay
here it is
Remote Volume Controll Board 4 Channels Monitor In | eBay

Also F5 pcb board avaliable in my listings on eBay.

For more bykoz diy products please visit baykoz elektronik audio & video servis

Thank you
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Old 20th August 2014, 06:44 PM   #2762
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Old 20th August 2014, 06:53 PM   #2763
udailey is offline udailey  United States
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Well, guess I'll look at ur photos before they're taken down and your DIY license revoked. Of course if Nelson and the rest of the F5 thread contributors did it for you I guess its not really DIY.
I can appreciate that you built your own phono pre and the remote but you cant go selling the F5 design without permission and if you've got permission then please say so. I kinda doubt it.
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Last edited by udailey; 20th August 2014 at 07:01 PM.
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Old 20th August 2014, 07:13 PM   #2764
bykoz is offline bykoz  Turkey
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Quote:
Originally Posted by udailey View Post
Well, guess I'll look at ur photos before they're taken down and your DIY license revoked. Of course if Nelson and the rest of the F5 thread contributors did it for you I guess its not really DIY.
I can appreciate that you built your own phono pre and the remote but you cant go selling the F5 design without permission and if you've got permission then please say so. I kinda doubt it.
The Tower 100% diy product according to the diy acceptance in this territory.

Once the permission was asked to Mr. Pass, and his reply is you can sell the boards while anything related to Pass Labs doesnt occur on the boards.

If anything helps the diyers, we are in it, please look at the F5 board's price , the only intention of us is to help F5 diyers Mr. udailey .

Best Regards Mr. udailey
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Old 20th August 2014, 07:22 PM   #2765
udailey is offline udailey  United States
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Cool. I noticed the boards do not say anything about N.P. and thats a red flag. If he said its cool then I'm glad for you and anyone who gets the boards at an admittedly great price.
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Old 21st August 2014, 09:45 AM   #2766
bykoz is offline bykoz  Turkey
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Quote:
Originally Posted by udailey View Post
Cool. I noticed the boards do not say anything about N.P. and thats a red flag. If he said its cool then I'm glad for you and anyone who gets the boards at an admittedly great price.
As i said mr. udailey my intention are no further than DIY , in this regards i have been helping the diyers in my country over 10years and after now i am intendet to help people in abroad.

One more again very thanks to mr. Pass for letting diyers to use his great F5 , it can compete with many tubes amp in mid range.

Sincerely
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Old 27th August 2014, 08:00 PM   #2767
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Default Original Pearl Phono Stage

It has been a several years since I finished my Pearl Phono Stage. I am happily still using it. I realized that I never posted any photos here.

This was built with a 'group buy' kit that fellow member Promethius organized, using an unknown brand black steel case bought from another member here, and a basic black aluminum case for the power supply. I used an Avel transformer. I originally planned to have blue LED lights for each channel to indicate power, but I never bothered.

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Old 28th August 2014, 03:38 PM   #2768
ingi is offline ingi  Iceland
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Dear Zen v9 Builders,

Can anyone help me out with this question. Can I use a CPU heatsink with a brusless DC fan, instead of the large heatsinks I normally see in the Zen v9 builds?

Greetings,
Ingi
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Old 28th August 2014, 03:40 PM   #2769
6L6 is offline 6L6  United States
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Yes. That will work very well.

But know that if your fan fails, you will burn up the amp.
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Old 28th August 2014, 03:51 PM   #2770
ingi is offline ingi  Iceland
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Thank you 6L6,

Thank you for your swift and helpful insight!
I had not thought of that. I have no idea about the failure rate of these fans.

Greetings,
Ingi
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