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Old 13th December 2010, 09:10 PM   #1661
smartx21 is offline smartx21  Brazil
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It is a great pleasure to hear this from you, my friend!
Cheers!
Max.
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Old 13th December 2010, 09:10 PM   #1662
nigelwright7557 is offline nigelwright7557  United Kingdom
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Quote:
Originally Posted by mikesnowdon View Post
Clever idea for mounting the transformer What are thos rubber rings you are using?

Your amp looks great so far!
They use something similar on cars to hold the exhaust on.
My Ford has them on.
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Old 13th December 2010, 09:16 PM   #1663
smartx21 is offline smartx21  Brazil
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Quote:
Originally Posted by nigelwright7557 View Post
They use something similar on cars to hold the exhaust on.
My Ford has them on.
That's it! Mine is a Chevrolet... now I know why the exhaust has been so noisy these latest days
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Last edited by smartx21; 13th December 2010 at 09:43 PM. Reason: bad english....errrrrr
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Old 13th December 2010, 09:38 PM   #1664
mikesnowdon is offline mikesnowdon  United Kingdom
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Cool. Ive been looking for a good way to isolate transformer vibration from the casework.
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Old 13th December 2010, 11:24 PM   #1665
nigelwright7557 is offline nigelwright7557  United Kingdom
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Default My amplifier testbed.

Currently got a class d amplifier installed on my testbed.
Note crocodile clips to apply voltages.
I use an old blown up ebay amplifier chassis as a testbed.

Click the image to open in full size.
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Last edited by nigelwright7557; 13th December 2010 at 11:27 PM.
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Old 14th December 2010, 01:36 AM   #1666
smartx21 is offline smartx21  Brazil
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Quote:
Originally Posted by mikesnowdon View Post
Cool. Ive been looking for a good way to isolate transformer vibration from the casework.
I was aiming at this direction when thought of this solution after finding these rubber rings in the junk parts bin (junk pile?!)!
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Old 19th December 2010, 07:23 AM   #1667
ostripper is offline ostripper  United States
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Default FINAL MONGREL (1 of 6 pairs) whew!!

Just got through in the "trenches" , 5 pairs for the friends and neighbors , one for me (below) Thanx to Alex MM and his libraries for the SPRINT LAYOUT. Best CAD out there to make the good stuff , no ugly amps anymore !!

I'll show the little brother of this one next (PB60 X2 stereo board).

First photo is the whole stinkin' deal... absolute headroom and fidelity.

photo 2 - The fidelity , the AX ... all TMC (no Xover distortion).. sounds like a 250w class A amp. Don't debate it , accept it. (-150db H5 for real) modular hookup , can A/B 2 amps in seconds.

photo 3 - a VERY close runner up , the BX ... it is like Destroyer X's FINE ES model , beautiful, non- fatiguing soundstage. Bootstrapped current source for that "old time sound"..

photo 4 - they all plug into this .. 4 pair of the matched NEW onsemi NJW21193/NJW21194 BJT's (small to-3p versions) , board is fed from the center .. both input (75-0-75V rails) and the output. 200w@8R/350w@4R- 24/7.

1 1/2 gallons of acid. LOT's of amps..

OS
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File Type: jpg modularax1.1.jpg (75.3 KB, 1570 views)
File Type: jpg BX1.3.jpg (55.7 KB, 1513 views)
File Type: jpg symmetric.jpg (67.1 KB, 1499 views)
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Old 19th December 2010, 09:57 PM   #1668
regiregi22 is offline regiregi22  Europe
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Originally Posted by ostripper View Post
Don't debate it , accept it.
Whe are here to debate

Personally, nothing to discuss
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Old 20th December 2010, 03:29 AM   #1669
Bonsai is offline Bonsai  Europe
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Here are some pictures and a short write up on my new pre-amp. This is still 'in development'.

Line Pre-Amplifiers | hifisonix.com

The new stuff is after the X-Altra Mini write up below the ****************

Merry Xmas and best wishes for 2011 BTW to everyone!
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Old 20th December 2010, 01:46 PM   #1670
apexaudio is offline apexaudio  Serbia
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APEX AX14 from Rusia
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