motor run caps in the output? good or bad idea?

jarthel · 9th June 2006, 05:21 AM

in the aikido circuit (specifically the headphone schematic), it uses an output capacitor.

I have search the forum about using motor run caps and all I've came across are references to using them in the power supply.

Has anyone used them in the output?

thank you for the replies.

jamesjung21 · 9th June 2006, 05:26 AM

I will recommend it if you will use GE motor caps

PSz. · 9th June 2006, 05:26 AM

I use them as a first order filter on my compression drivers, so I don't see why they would be problematic as an output cap so long as you have sufficient capacitance for the application.

regards,
PSz.

jarthel · 9th June 2006, 05:30 AM

Quote:

Originally posted by jamesjung21
I will recommend it if you will use GE motor caps

why GE?

at the value that I want, I can only find ASC.

jamesjung21 · 9th June 2006, 05:47 AM

It's my personal sonic preference

I think they usually use paper... am I correct...?

Quote:

at the value that I want,

Is the value less than 0.47uF ...?

jarthel · 9th June 2006, 05:48 AM

Quote:

Originally posted by jamesjung21
It's my personal sonic preference

I think they usually use paper... am I correct...?

yes. it's paper

jamesjung21 · 9th June 2006, 05:50 AM

Is the value less than 0.47uF...?

jarthel · 9th June 2006, 05:50 AM

no. more like 47uF

jamesjung21 · 9th June 2006, 05:54 AM

Oh, I see why... If GE makes 47uF, they will be awfully large and rare

Are you trying to stick with your local part sources...? (Jaycar at any chance?

)

jarthel · 9th June 2006, 05:59 AM

Quote:

Originally posted by jamesjung21
Oh, I see why... If GE makes 47uF, they will be awfully large and rare

Are you trying to stick with your local part sources...? (Jaycar at any chance? )

my local part sources are ebay, thlaudio, partsconnexion and percy.

farnell and rs non-audio quality stuff. dick smith for those things that are not really important such as heatshrink.

ps. I found a 40uF GE. I have a feeling it's not enough.

9th June 2006, 05:21 AM	#1
jarthel diyAudio Member Join Date: Jan 2002 Location: somewhere in Australia	motor run caps in the output? good or bad idea? in the aikido circuit (specifically the headphone schematic), it uses an output capacitor. I have search the forum about using motor run caps and all I've came across are references to using them in the power supply. Has anyone used them in the output? thank you for the replies.

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9th June 2006, 05:26 AM	#2
jamesjung21 diyAudio Member Join Date: Dec 2003 Location: New Zealand	I will recommend it if you will use GE motor caps

9th June 2006, 05:26 AM	#3
PSz. diyAudio Member Join Date: Jul 2003 Location: California	I use them as a first order filter on my compression drivers, so I don't see why they would be problematic as an output cap so long as you have sufficient capacitance for the application. regards, PSz.

9th June 2006, 05:50 AM	#7
jamesjung21 diyAudio Member Join Date: Dec 2003 Location: New Zealand	Is the value less than 0.47uF...?

9th June 2006, 05:54 AM	#9
jamesjung21 diyAudio Member Join Date: Dec 2003 Location: New Zealand	Oh, I see why... If GE makes 47uF, they will be awfully large and rare Are you trying to stick with your local part sources...? (Jaycar at any chance? )

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