WORKING GENUINE JRC D OPAMP OP AMP – NOT BOOTLEG. TESTED ORIGINAL GENUINE. REAL ITEM PHOTOS. THIS IS A FULLY TESTED, USED. Guys, I was thinking of changing the JRCa opamp in my sound card to the ADBut another head-fier,”amol” did the same and. The NJMA integrated circuit is a high-gain,high output current dual operational amplifier capable of driving ±70mA.

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How bad is the JRC 4556 opamp ?

Do you already have an account? But another head-fier,”amol” did the same and was pretty sure that there was hardly any difference in the sound.

Feb 1, at 9: The differences from opamp to opamp are pretty tiny in any case. Yes, my password is: Feb 1, at 5: Ultimately you might want it replaced, or to replace the whole sound rjc but not yet- the more immediate and larger improvement is to not have a typical low-current opamp directly driving headphones.

NJM4556D 4556D / JRC DIP-8 DIP 8-pin chip

Maybe i could attach some bypass caps. So is it really worth changing the opamp?


Isnt the cmoy take the load off the sound card and its opamp? Post 4 of Back to home page. Post 10 of My current issues with my setup: Email to friends Share on Facebook – opens in a new window or tab Share on Twitter – opens 4556x a new window or tab Share on Pinterest – opens in a new window or tab Add to watch list.

The differences are subtle.

The bypass caps 45556d to be revealing a bit more mp3 enconding artifacts. Mouse over to Zoom – Click to enlarge. Learn More – opens in a new window or tab Any international shipping is paid in part to Pitney Bowes Inc. That’s not meant as encouragement to first do that though, I’d still look at a better headamp than an CMOY first and that’ll be useful beyond a computer source too. Post 1 of Please enter a valid ZIP Code.


Add to watch list Remove from watch list. Post 12 of Report item – opens in a new window or tab. I’ll build my amp the way I like it You are covered by the eBay Money Back Guarantee if you receive an item that is not as described in the listing. Get the item you ordered or rjc your money back.


The differences might not be night and day on an absolute scale but in the context of hi-fi, IMO they’re different enough driving loads.

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This always leaves the impression of added texture. Shipping cost cannot be calculated. Watch list is full.

I cant hear the jgc the cmoy is making! Don’t want to hijack the tread, but one thing engineers allways seem to appreciate is modular design.