Looking to replace 6800uF 50V filter caps

FickleBJT · 7th March 2010, 08:09 AM

Any ideas? Would higher/lower voltage capacitors work?

Thanks

nigelwright7557 · 7th March 2010, 03:14 PM

Quote:

Originally Posted by FickleBJT

Any ideas? Would higher/lower voltage capacitors work?

Thanks

What is the supply voltage and power of the amp ?

pdul · 7th March 2010, 03:58 PM

higher voltage is usually better

pdul · 7th March 2010, 04:02 PM

As a rule of thumb: voltage should be the same or higher, never lower

gain-wire · 7th March 2010, 05:02 PM

These capacitors should be very easy to obtain at either Newark, DigiKey or Mouser. Never replace with a lower voltage unless you know exactly what you're doing in that application. Do not go more than 20% over the rated capacitance, or you risk drawing too much current out of the transformer and bridge rectifier.

FickleBJT · 7th March 2010, 05:51 PM

nigelwright7557: I don't know what voltage the power supply is (couldn't find it for some reason...the service manual labels it as B2+ and B1+). As for the power, I believe it is 45W to each channel.

I found these to at newark.

ILLINOIS CAPACITOR|688LBB050M2CF|Aluminum Electrolytic Capacitor | Newark.com

PANASONIC|ECOS1HA682CA|CAPACITOR, 6800UF 50V CAPACITOR | Newark.com

There is a single Elna cap at digikey that I know would work, but they're 15 bucks a piece. Would either of the ones I linked be ok?

Steve Dunlap · 7th March 2010, 06:56 PM

It would be cheaper to buy them here.

Aluminum Electrolytic Capacitors - Snap In

7th March 2010, 08:09 AM	#1
FickleBJT diyAudio Member Join Date: Mar 2010 Location: DC Area	Looking to replace 6800uF 50V filter caps Any ideas? Would higher/lower voltage capacitors work? Thanks

7th March 2010, 05:02 PM	#5
gain-wire diyAudio Member Join Date: Nov 2004 Location: NCR	These capacitors should be very easy to obtain at either Newark, DigiKey or Mouser. Never replace with a lower voltage unless you know exactly what you're doing in that application. Do not go more than 20% over the rated capacitance, or you risk drawing too much current out of the transformer and bridge rectifier. __________________ Trans-directional-servo-logamp non-zerocrossing autogain compressing thingamajig

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7th March 2010, 03:58 PM	#3
pdul diyAudio Member Join Date: Jan 2009 Location: Copenhagen	higher voltage is usually better

7th March 2010, 04:02 PM	#4
pdul diyAudio Member Join Date: Jan 2009 Location: Copenhagen	As a rule of thumb: voltage should be the same or higher, never lower

7th March 2010, 05:51 PM	#6
FickleBJT diyAudio Member Join Date: Mar 2010 Location: DC Area	nigelwright7557: I don't know what voltage the power supply is (couldn't find it for some reason...the service manual labels it as B2+ and B1+). As for the power, I believe it is 45W to each channel. I found these to at newark. ILLINOIS CAPACITOR\|688LBB050M2CF\|Aluminum Electrolytic Capacitor \| Newark.com PANASONIC\|ECOS1HA682CA\|CAPACITOR, 6800UF 50V CAPACITOR \| Newark.com There is a single Elna cap at digikey that I know would work, but they're 15 bucks a piece. Would either of the ones I linked be ok?

7th March 2010, 06:56 PM	#7
Steve Dunlap diyAudio Member Join Date: Sep 2008 Location: Here	It would be cheaper to buy them here. Aluminum Electrolytic Capacitors - Snap In