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Cmoybb question about: CB_R, and CB_L and using alternative capacitors

post #1 of 7
1/23/11 at 5:42pm
Thread Starter 

so the cmoybb bom calls for:

 

 

CB_L, CB_R WIMA 0.068uF Polyester Film Capacitor, 63V, 5% 505-MKS20.068/63/5   $0.25 2 $0.50
   CB_L, CB_R Kemet 0.082uF Polyester Film Capacitor, 63V, 5% 10% 80-MMK5823M63J01L4   $0.22 0  
   CB_L, CR_R WIMA 0.1uF Polyester Film Capacitor, 63V, 5% 505-MKS2.1/63/5   $0.25 0  
   CB_L, CB_R Panasonic 0.082uF Polyester Film Capacitor, 50V, 5% 10% 667-ECQ-V1H823JL   $0.29 0  
   CB_L, CR_R CDE Polyester Film Capacitor, 50V, 5% 598-DSF050J823   $0.76 0  

 

I have:

 

 I have:  1.0 UF 63v 5% vishay polyester film cap
 

CAP 1.0UF 63V METAL FILM BOX http://parts.digikey.com/1/parts/84099-cap-1-0uf-63v-metal-film-box-bfc237012105.html

 

I think the first part that I have Cap .1UF 50V 10% cer radial should work, so if that is the case, awesome. If it is indeed a go ahead and solder, I'd like to know the why. While I am asking questions what does CB stand for?

 

 

 

 

 

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post #2 of 7
1/23/11 at 5:51pm

The 0.1uF Ceramic will sound awful.

Ceramics are for RF bypassing and should

never be used for audio.

Stick with the Polyester.

 

CB = Capacitor Bass

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post #3 of 7
1/23/11 at 5:58pm

Before we all get confused, maybe you should say

which cap you are considering for which position...

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post #4 of 7
1/23/11 at 7:02pm
Thread Starter 

I am hoping to use: Cap .1UF 50V 10% cer radial for the CB-R and CB-L.
 

Quote:
Originally Posted by Avro_Arrow View Post

Before we all get confused, maybe you should say

which cap you are considering for which position...

Reply
post #5 of 7
1/23/11 at 7:04pm
Thread Starter 
Quote:
Originally Posted by Avro_Arrow View Post

 

Ceramics are for RF bypassing and should

never be used for audio.

Stick with the Polyester.

 

 



I am checking with the BOM for the CMOYBB and it specifically calls for 

C3+, C3-, C4+, C4- 0.1uF, 50V Multilayer Ceramic Capacitor

 

for the above. Kind of strange why they are asking for ceramic after understanding the inherent problems with them. Thanks.

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post #6 of 7
1/23/11 at 7:08pm

They are being used correctly for RF bypassing in that position.
 

Quote:
Originally Posted by THESANTINI View Post



Quote:
Originally Posted by Avro_Arrow View Post

 

Ceramics are for RF bypassing and should

never be used for audio.

Stick with the Polyester.

 

 



I am checking with the BOM for the CMOYBB and it specifically calls for 

C3+, C3-, C4+, C4- 0.1uF, 50V Multilayer Ceramic Capacitor

 

for the above. Kind of strange why they are asking for ceramic after understanding the inherent problems with them. Thanks.

Reply
post #7 of 7
1/23/11 at 7:09pm

CB-L and CB-R need to be Polyester, not Ceramic
 

Quote:
Originally Posted by THESANTINI View Post

I am hoping to use: Cap .1UF 50V 10% cer radial for the CB-R and CB-L.
 

Quote:
Originally Posted by Avro_Arrow View Post

Before we all get confused, maybe you should say

which cap you are considering for which position...


 
Reply
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