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Old 24th June 2012, 06:06 AM   #2531
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Default about optimos

this amplifier are not meant to be played at low volume.it is not intended for home use.besides the casing where not that good.but in terms of professional use you could count on it.heatsink are sufficient enough even using an L bracket.only two pairs of lateral mosfet where used.may be wondering why?...thats the importance of using vi limiter keeping the operation of the output device at safety region and less number of output.

this amp. is stable even at 0 ohms.and possess a soft clipping action reducing the burning of high frequency drivers.and has a protection at input just in case higher voltage where accidentally feed to this amp.even if there is a small disadvantages implementing it ,still small price to pay than having a blown output transistor

and how about sound?well many of the members here will testify how good it is...

regard,
joel
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Old 24th June 2012, 03:00 PM   #2532
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Default Optical Attenuators

Thanks to share they all pic and information here...
Optical Attenuators
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Old 24th June 2012, 03:26 PM   #2533
AndrewT is online now AndrewT  Scotland
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Precision.
This is a pic Thread.
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Old 24th June 2012, 03:29 PM   #2534
tinitus is offline tinitus  Europe
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Quote:
Originally Posted by AndrewT View Post
Precision.
This is a pic Thread.


this should hopefully turn into some kind of 'hybrid' preamp
oh what, and mounted inside my new preamp box
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Old 24th June 2012, 03:31 PM   #2535
AndrewT is online now AndrewT  Scotland
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Is that Tufnol?
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Old 24th June 2012, 03:33 PM   #2536
tinitus is offline tinitus  Europe
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Originally Posted by AndrewT View Post
Is that Tufnol?
yes
or pertinax
or something similar
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Old 24th June 2012, 07:17 PM   #2537
tinitus is offline tinitus  Europe
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inside of preamp, so far

and I hope it will do for both guitar(bass) and hifi
a unity gain buffer, as well as fet output with gain
and a tube section
everything is possible, except making coffee
well, I better hold my breath, nothings working yet
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Old 24th June 2012, 07:45 PM   #2538
redjr is offline redjr  United States
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Quote:
Originally Posted by tinitus View Post
inside of preamp, so far

and I hope it will do for both guitar(bass) and hifi
a unity gain buffer, as well as fet output with gain
and a tube section
everything is possible, except making coffee
well, I better hold my breath, nothings working yet
Nice super structure so far. The dark brown stuff... It looks like a premium grade of Masonite. Yes, but sturdier?
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Old 24th June 2012, 08:02 PM   #2539
tinitus is offline tinitus  Europe
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Originally Posted by redjr View Post
The dark brown stuff... It looks like a premium grade of Masonite. Yes, but sturdier?
originally pressured paper and oil
now a days I think they might use epoxy too
but Im not sure
some have claimed it to be the 'best sounding' isolator there is
well, at least its strong
and I just happened to have some of it
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Old 25th June 2012, 08:54 AM   #2540
tinitus is offline tinitus  Europe
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my router bits seems to work
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