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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Feb 1, at 6: Post 7 of Please enter 5 or 9 numbers for the ZIP Code. Maybe i could attach some bypass caps.

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He said it was placebo. On one hand, it’s probably better to move amplification to something with a cleaner power supply than a computer. Yes, but some days i hear it more than other days.

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Dual High Current Operational Amplifier

Post 10 of Get the item you ordered or get your money back. Report item – opens in a new window or tab. But another head-fier,”amol” did the same and was pretty sure that there was hardly any difference in the sound.


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

Watch list is full. But the peaks in the noise graph have reduced a bit. The nrc from opamp to opamp are pretty tiny in any case.

Maybe my point was that i wouldn’t bother much with modifying a sound card. This item may be a floor model or store return that has been used. Post 1 of 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 receipt of jrd payment – opens in a new window or tab.

Learn More – opens in a new window or tab International shipping and import charges paid to Pitney Bowes Inc.

Email to friends Share on Facebook – opens in a new window or tab Share on Twitter – opens in a new window or tab Share on Pinterest – opens in a new window or tab. I am a big fan of the This way, modding a SC for better amplification seems like a half-hearted affair See other items More Feb 1, at 1: The bypass caps seem to be revealing a bit more mp3 enconding artifacts. Have one to sell? This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.


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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. It sounds the same via the cmoy. It’ll only sound as good as the power supply, and that can only be filtered and isolated so much. Post 4 of Not perfect by any stretch but if that’s what you want for a source then Post 5 of Post 9 of Unbuffered amps are not optimal with low impedance cans Thanks for all the help i have received from your guys.

Originally Posted by mono the more immediate and larger improvement is to not 4556x a typical low-current opamp directly driving headphones. This item will be shipped through the Global Shipping Program and includes international tracking. This always leaves the impression of added texture.