Re: Tannoy Reveal and LM3886 power amp IC



Wink wrote:

"Arny Krueger" wrote:
"Wink" <x@xxxxx> wrote in message

I see some 3,300 uF 80 volt
Nichicon LQ-M caps for sale on the Active Electronics
web site for less than $1.60 each... ;-)

Did you mean All Electronics?

http://www.allelectronics.com/cgi-bin/item/EC-3380/140300/3300_UF_80_V_ELECTROLYTIC_SNAP-IN_CAPACITOR_.html

whoops, yes All Electronics.

It turns out they're a very good size. I probably can pack 20-ish kufd
a side in there, but would start at 3300 and experiment. I ordered a
dozen.

Well ..... you may not like how 20,000 uF sound ! It will change the clipping behaviour agin.

My advice to you is to get a larger amplifier so you're never close to clipping.


I've resolved the voltage on the 63 V BGs torment. I ordered toroids
with this sec: 50-43-0-43-50. The 43 V taps will run produce 56 V
under load. A compromise value, not excessively low.

Err .... if only life were that simple ! Capacitor input PSUs are not like resistive loads.


Should I eject the BGs like a retching dog to Ebay hell, the 100 V
winding will allow a return to 63-ish volt operation, maybe with the
cool Nichicons.

Or cool Panasonics or cool Samwhas or cool Rubycons or cool Nippon Chemi Cons !

The damn BRAND is IRRELEVANT !

Graham

.

Relevant Pages

  • Re: Tannoy Reveal and LM3886 power amp IC
    ... Nichicon LQ-M caps for sale on the Active Electronics ... Should I eject the BGs like a retching dog to Ebay hell, ... I think the Behringer Europower amp are much less. ...
    (rec.audio.tech)
  • Re: Tannoy Reveal and LM3886 power amp IC
    ... Nichicon LQ-M caps for sale on the Active Electronics ... whoops, yes All Electronics. ... The 63 volt rails were only--marginally--problematic to the 63 volt rated magic caps. ...
    (rec.audio.tech)