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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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Think about what a CMOY is doing 4556v 1 of Yes, my password is: Now he has a cmoy and the HD It’s common to find a linear regulator and they can be fairly quiet. Don’t want to hijack the tread, but one thing engineers allways seem to appreciate is modular design.

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D-JRC Datasheet, PDF – Datasheet Search Engine

Post 11 of Maybe i could attach some bypass caps. Learn More – opens in jrx new window or tab Any international shipping and import charges are paid in part to Pitney Bowes Inc. Post 14 of Have one to sell? Originally Posted by ] [ GorE I cant hear the difference the cmoy is making! Learn More – opens in a new window or tab International shipping and import charges paid to Pitney Bowes Inc. Post 5 of Select a valid hrc. Post 9 of Yes, but some days i hear it more than other days.


He said it was placebo.

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Watch list is full. So is it really worth changing the opamp? Isnt the cmoy take the load off the sound card and its opamp? Estimated delivery dates – opens in a new window or tab include seller’s handling time, origin ZIP Code, destination ZIP Code and time of acceptance and will depend on shipping service selected and jrv of cleared payment – opens in a new window or tab. This item will be shipped through the Global Shipping Program and includes jcr tracking.

Maybe my point was that i wouldn’t bother much with modifying a sound card.

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. Sell now – Have one to sell? There are 6 items available. Skip to main content.


Headphone Reviews and Discussion – Head-Fi. Learn More – opens in a new window or tab.

Back to home page. My impression of is that it’s very raw sounding. By continuing to use this site, you are consenting to our use of cookies. It sounds the same via the cmoy. Feb 1, at None Royal Mail International Tracked.


Originally Posted by mono the more immediate and larger improvement is to not have a typical low-current opamp directly driving headphones. Or does it have to be in between the rails and ground only?

Add to watch list. See other items More Learn more – opens in a new window or tab. Please enter 5 or 9 numbers for the ZIP Code. Sign in to check out Check out as guest. The bypass caps seem to be revealing a bit more mp3 enconding artifacts. RMAA tests indicate almost no change in any parameters. Add to watch list Remove from watch list.

For additional information, see the Global Shipping Program terms and conditions – opens in a new window or tab This amount includes applicable customs duties, taxes, brokerage and other fees.

Contact the seller – opens in a new window or tab and request a shipping method to your location. The differences from opamp to opamp are pretty tiny in any case. Europe, United States, Canada, Australia. Feb 1, at 9: No, create an account now.