Pictures of your diy Pass amplifier - Page 415

nicoch58 · 19th December 2017, 12:16 PM

OllBoll nice creative

takitaj · 25th December 2017, 06:17 PM

My F5Tv3 monos. Power supply comes out to +/-47vdc under load @ .7A (.350v) per device x8 with an Antek 800VA xfrmr and 88k uf per rail CRC. The small xfrmr is just a 10va for standby power to run the main power relay and switch LED. Soft start and speaker protect are both from the store. The 12Vac from the main xfrmr runs the speaker protect board and the soft start uses 3 CL60's in series in place of resistors. Case is the 5U from the store. Started out with the steel version then got the aluminum covers later on.

The front panel was cut on my CNC, only .020" deep, then filled with black nail polish & the excess wiped off with acetone when dry. The rear panel text will be cut later. The Preamp in the last pic isn't finished yet. It will house the Salas DCG-3, a Velman pre at unity gain for the blasphemes bass & treble

(for those difficult sources) that I can switch out of circuit & a small pair of VU meters. Hope you like

nashbap · 25th December 2017, 07:39 PM

Nice!

Was the lettering also done on the CNC?

nash

takitaj · 25th December 2017, 09:46 PM

The lettering was cut with CNC, .020" deep, then filled with nail polish.

Bones13 · 26th December 2017, 10:21 AM

Quote:

Originally Posted by takitaj

My F5Tv3 monos. Power supply comes out to +/-47vdc under load @ .7A (.350v) per device x8 with an Antek 800VA xfrmr and 88k uf per rail CRC. The small xfrmr is just a 10va for standby power to run the main power relay and switch LED. Soft start and speaker protect are both from the store. The 12Vac from the main xfrmr runs the speaker protect board and the soft start uses 3 CL60's in series in place of resistors. Case is the 5U from the store. Started out with the steel version then got the aluminum covers later on.

The front panel was cut on my CNC, only .020" deep, then filled with black nail polish & the excess wiped off with acetone when dry. The rear panel text will be cut later. The Preamp in the last pic isn't finished yet. It will house the Salas DCG-3, a Velman pre at unity gain for the blasphemes bass & treble

(for those difficult sources) that I can switch out of circuit & a small pair of VU meters. Hope you like

Merry Christmas to you! Nice and tidy. Fun to look at. Very nicely done.

mpmarino · 4th January 2018, 01:52 AM

I fear for the cat's life.

Aleph 5 in experimental stage. comparing Linear PSU 800VA 190,000uf with SMPS and less than 20,000uf.

SMPS is winning in my house.

esprit · 4th January 2018, 03:18 PM

Looking good
any photos of the front panel

nicoch58 · 4th January 2018, 04:24 PM

Quote:

Originally Posted by mpmarino

SMPS is winning in my house.

which one?

Carlp · 4th January 2018, 05:37 PM

What makes the SMPS better? What do you like about it?

Rixsta · 4th January 2018, 05:49 PM

Quote:

Originally Posted by Carlp

What makes the SMPS better? What do you like about it?

Interesting.. I've often wondered as I'm running Hiraga class-a from SMPS
Would be nice to hear comparisons.

25th December 2017, 07:39 PM	#4143
nashbap diyAudio Member Join Date: Jul 2012 Location: New Jersey USA	Nice! Was the lettering also done on the CNC? nash __________________ F5TV3, AVC, BA3b pre, Salas DCG3b

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19th December 2017, 12:16 PM	#4141
nicoch58 diyAudio Member Join Date: Oct 2004	OllBoll nice creative

25th December 2017, 09:46 PM	#4144
takitaj diyAudio Member Join Date: Apr 2012 Location: Maine	The lettering was cut with CNC, .020" deep, then filled with nail polish.

4th January 2018, 03:18 PM	#4147
esprit diyAudio Member Join Date: Mar 2010 Location: Lancashire	Looking good any photos of the front panel

4th January 2018, 05:37 PM	#4149
Carlp diyAudio Member Join Date: May 2006 Location: A New England	What makes the SMPS better? What do you like about it?