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Electrolytic Caps....

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HRDROKN

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TFM-45

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Location: Northern California

Post Wed Jan 21, 2009 10:17 pm

Electrolytic Caps....

Hey Guys....

Have a rookie question.... I want to be sure how to identify the (+) side of an electrolytic cap?

:-k
HRDROKN
MC-7P tube preanp, BBE2002R, Marchand XM44, TFM-35x .002, TFM-35x, M1.0t MKII .002, M500t, Silver 7t's, SDA-360 and Klipsch KLF-30's w/crites crossovers...
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OBI56

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SILVER-7 TUBE AMP

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Post Wed Jan 21, 2009 10:20 pm

Re: Electrolytic Caps....

Hrdrokn, I usually just look at it and check for the + sign on the appropriate end. For non-polarized electrolytics, there is no + or _ to worry about.
Why let facts or common sense get in the way of your opinions.
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HRDROKN

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TFM-45

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Joined: Sun Nov 02, 2008 10:04 pm

Location: Northern California

Post Wed Jan 21, 2009 10:28 pm

Re: Electrolytic Caps....

OBI56 wrote:Hrdrokn, I usually just look at it and check for the + sign on the appropriate end. For non-polarized electrolytics, there is no + or _ to worry about.


The caps have a gray stripe on one side with what looks like a line drawing of a (-) sign? No (+) on them though. The pcb is marked for the (+) side so I'm assuming that they go a certain way.

:-k
HRDROKN
MC-7P tube preanp, BBE2002R, Marchand XM44, TFM-35x .002, TFM-35x, M1.0t MKII .002, M500t, Silver 7t's, SDA-360 and Klipsch KLF-30's w/crites crossovers...
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OBI56

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SILVER-7 TUBE AMP

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Post Wed Jan 21, 2009 11:02 pm

Re: Electrolytic Caps....

Ooops, sorry, I meant the - sign. One way or another it is clearly indicated so as to not plug them in backwards. And yes, the side with a stripe is the negative side. I don't replace caps very often but I have never managed to replace one backwards. I haven't built anything (where I don't remember hooking 1 up backwards either) from scratch for almost 30 years so I'm sorry about the mistake!
Why let facts or common sense get in the way of your opinions.
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HRDROKN

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TFM-45

Posts: 533

Joined: Sun Nov 02, 2008 10:04 pm

Location: Northern California

Post Wed Jan 21, 2009 11:08 pm

Re: Electrolytic Caps....

OK... cool!

I'm putting together a Marchand XM-44 electronic crossover.... good times!

Thanks!

Mark
HRDROKN
MC-7P tube preanp, BBE2002R, Marchand XM44, TFM-35x .002, TFM-35x, M1.0t MKII .002, M500t, Silver 7t's, SDA-360 and Klipsch KLF-30's w/crites crossovers...
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BillD

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(pair of) SILVER-7 TUBE AMPs

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Post Thu Jan 22, 2009 12:40 pm

Re: Electrolytic Caps....

Also, the plus lead is longer on radial caps. BTW, Marchand makes a fine crossover! =D>
It should sound like it isn't there!
There is a difference between hearing and listening...
Making life enjoyable through expensive electronics.
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Carver: C-4000 & C-1 preamps, PSC-60 preamp/tuner, TX-11a tuner, M-400 (2), C-500, M-500, M-500t, M-500t Mk.II, A-500x, AL-III loudspeakers (2 pr.)
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stereo_buff

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TFM-55

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Post Thu Jan 22, 2009 5:03 pm

Re: Electrolytic Caps....

If you do put one in backwards it will explode (quite often) like a bomb, spewing some ugly and hard to clean up residue throughout the immediate area. A co-worker of mine did that once during a bomb scare at the plant we worked in - it sure got their attention!

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