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Post by hower on Apr 14, 2006 18:42:22 GMT
For the X-CAN V1, the only one with OP-AMP. I have done a simple change from the build in Philip NE3352 OPAMP with BurrBrown OPA2134PA with 8 PIN DIP Socket mounted onto the board. The improvement is not huge, but it seems to improve the overall sound a bit.
Just wondering if it worth the effort to replace the cheap 2x BB OPA2134PA with 4x expensive BB OPA627 mounted with a BrownDog Adapter that combine the 2x Single OPA627 to a Dual Socket?
Anyone got experience here?
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Fergus
100+
Done a David Ike and is now known as Godkin 
Posts: 197
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Post by Fergus on Apr 14, 2006 19:42:02 GMT
 Hi Hower, There has been some experimentation with Op-Amps and the X-CAN V1 on this site. See: "X-CAN V1 Op-Amps and cap upgrade." If memory serves the stock PHILIPS 5532s were replaced with BURR BROWN 2134s with great results. Fergus
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Post by PinkFloyd on Apr 14, 2006 19:59:00 GMT
I have plenty of experience with opamps and spent almost a year "rolling" and to be honest with you, you "won't" get a huge difference in sound. the changes are very subtle indeed.
2134 is a good chip, if you want an even warmer sound then opa627 on browndog is the way to go. I'd only go the 627 route if I had them kicking about and wouldn't actually fork out for them as the difference will be slight (but noticeable)
OPA2227 is another good chip as is OPA2107 (2107 is a dual chip very similar to 2 x opa 627 on Bdog) AD 823AN isn't bad in the V1, nice and organic sounding with a bit more clarity than the BB house sound.
I'll have a look through my notes and see if there's any others that'll be compatible.
Mike.
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thegreatroberto
100+
The Great Roberto "himself" The real deal on a stick!
Posts: 157
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Post by thegreatroberto on Apr 16, 2006 15:06:19 GMT
This maybe of use.........
Gives you some idea of who made your op amp....
Analog Devices uses AD
Burr Brown uses OPA
Linear Technology uses LT
Motorola uses MC
National uses LF and LM
PMI uses OP
Signetics uses NE and SE
TI uses TL
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