The NJMA integrated circuit is a high-gain,high output current dual operational amplifier capable of driving ±70mA. Jrc d, Jrc d Suppliers Directory – Find variety Jrc d Suppliers, Manufacturers, Companies from around the World at jrc transistor,jrc 12 etisalat. Hello, I have a Dynaco CDV-2 that has a JRC AD as the opamp. I was looking to upgrade it as its quite an old piece. Is there a better drop.

Author: Tobar Fezahn
Country: Bahrain
Language: English (Spanish)
Genre: Career
Published (Last): 24 June 2004
Pages: 357
PDF File Size: 14.95 Mb
ePub File Size: 1.34 Mb
ISBN: 266-7-37355-573-7
Downloads: 94242
Price: Free* [*Free Regsitration Required]
Uploader: Dizuru

Unbuffered amps are not optimal with low impedance cans Learn More – opens in a new window or tab International shipping and import charges paid to Pitney Bowes Inc. Or does it have to be in between the rails and ground only? I connected a 0.


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. It is cheap, has a high output current, and sounds good.

The differences are subtle. Motherboard integrated sound I usually find to be quite horrendous, even having to fiddle with the mixer muting or oddly enough, UNmuting channels to get rid of buzzing, even moving sliders on the MIC unmuted till a value results in less buzz than muted does with no mic plugged in.


Originally Posted by ericj The differences from opamp to opamp jgc pretty tiny in any case.

Slightly slow bass decays. Learn More – opens in a new window or tab. This item may be a floor model or store return that has been used.

Essentially, part of the whole reason many move up past a CMOy to some other buffered amp design.

Feb 1, at 6: Have one to sell? Seller information aaproltd Listen to it amped for a few days, then switch back to unamped and see if you hear a difference Please note the delivery estimate is greater than 3 business days. Visit eBay’s page on international trade.

How bad is the JRC 4556 opamp ?

No, create an account now. My current issues with my setup: Resume making your offerif the page does not update immediately.

Post 7 of Sell now – Have one to sell? Post 11 of Do you already have an account?

How bad is the JRC opamp ? | Headphone Reviews and Discussion –

Thanks for all the help i have received from your guys. Get the item you ordered or get your money back.

Feb 1, at 9: Ultimately you might want it replaced, or to replace the whole sound card but not yet- the more immediate and larger improvement is to jrx have a typical low-current opamp directly driving headphones. 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. But another head-fier,”amol” did the same and was pretty sure that there was hardly any difference in the sound.


Post 4 of Shipping cost cannot be calculated. 4556f 1, at Feb 1, at 1: Europe, United States, Canada, Australia. Your username or email address: Originally Posted by ] [ GorE I cant hear the difference the cmoy is making!

Refer to eBay Return policy for more details. Back to home page Return to top. Yes, but some days i hear it more than other days.

On the other hand, if you wanted something to warm-up the sound, the is not the opamp for the job. Post 2 of 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.

Learn More – opens in a new window or tab Any international shipping and import charges are paid in part to Pitney Bowes Inc. Learn More – opens in a new window or tab Any international shipping is paid in part to Pitney Bowes Inc. Feb 1, at 3: