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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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How bad is the JRC 4556 opamp ?

4556r additional information, see the Global Shipping Program terms and conditions – opens in a new window or tab. Thanks for all the help i have received from your guys.

Please enter a number less than or equal to 6. This item will ship to United Statesbut the seller has not specified shipping options.

There are better opamps for sure – even the njm imho, which can sink jrx as much current and is faster, higher bandwidth, and lower noise. Resume making your offerif the page does not update immediately. Originally Posted by mono the more immediate and larger improvement is to not have a typical low-current opamp directly driving headphones.


Slightly slow bass decays. Sound cards, some aren’t all that bad.

D-JRC Datasheet, PDF – Datasheet Search Engine

Shipping cost cannot be calculated. But another head-fier,”amol” did the same and was pretty sure that there was hardly any difference in the sound.

The item may have some signs of cosmetic wear, but is fully operational and functions as intended. See all condition definitions jr opens in a new window or tab. Post 7 of Learn More – opens in a new window or tab Any international shipping is paid in part to Pitney Bowes Inc.

Add to watch list. 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. Learn more – opens in a new window or jrv. He said it was placebo.

Please note the 4556r estimate is greater than 3 business days. This always leaves the impression of added texture. Back to home page Return to top.

No additional import charges at delivery! Don’t want to hijack the tread, but one thing engineers allways seem to appreciate is modular design.

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

Have one to sell? Listen to it amped for a few days, then switch back to unamped and see if you hear a difference It sounds the same via the cmoy.


Feb 1, at 7: Share This Page Tweet. My impression of is that it’s very raw sounding. Feb 1, at 6: Do you already have an account? It is a decent opamp.


Oh and is it true that when i use my cmoy via my sound card,the sound cards opamp isnt loaded as much as it would have ,had i connected my headphones directly into it? Feb 1, at 5: Feb 1, at 9: Post 10 of Post 1 of The bypass caps seem to be revealing a bit more mp3 enconding artifacts.

It’ll only sound as good as the power supply, and that can only be filtered and isolated so much. On one hand, it’s probably better to move amplification to something with a cleaner power supply than a computer.

Back to home page. Add to watch list Remove from 4556v list. Post 2 of So is it really worth changing the opamp?