aaaaaaaaaaaaaadigital audio Hi Nige, I bought one of these recently. digital audio link via USB dongle transmitter and 30m range. JRC Dual Op Amp IC. JRC Dual Op Amp IC. Price: $ Datasheet: application/pdf icon RCpdf. JRC Dual Op Amp. DIP ICs – Linear. The JRC integrated circuit by Japan Radio Company is a dual high gain operational amplifier internally compensated and constructed on a single silicon .

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No, create an account now. The ONLY jrd4558 to figure out if different chips will sound better or worse, or the same in any individual pedal, is to swap them and listen. You can also use a TL or a TL Early TS’s have the Ibanez R “trademark” logo which some people seek.

can i switch a jrc4558 chip with a 4558 chip?

Put a TL in there and be prepared for an overly bright and brittle sound. There are over 40 different dual op amp chips available.

May 24, Home Forums Recent Posts. Sep 20, 3. I feel this is the primary reason for the audible differences. I then went on to check the specs of each ‘good’ chip. Several electronics suppliers list the JRC The JRCD was the jr4558 installed on most s. Oh, and I should add that it’s unlikely listeners will “get the chips right” in say, blind testing between vintage JRC and new Fairchild.


can i switch a jrc chip with a chip? | Harmony Central

That’s one o’ them boxes what makes yer amp sound real loud innit? They can license the design from the originator, or they can reverse engineer the chip by using strong acid to etch away the layers of the semiconductor wafer. I’m just wondering where things currently stand.

I have better things to do. I sent Analogman my TS-9 several years ago and had him replace the chip and beef up some weak spots with no other mods and it came back as he described: May 24, 6. Not only that, but jr4c558 real-world applications, the negative feedback in audio op amp circuits will neutralize any subtle differences that might exist.

Vintage 808s – Malaysia Texas Instruments RC4558P opamp vs JRC4558

Great points made, truly. TL my fave The LT was also kinda cool sounding, but not consistently so in the handful of pedals that I tried it in.


What have y’all overheard at the musician’s watercooler discussions? By all reports, these sound as good as the original. Clever marketing can take advantage of this to sell a ten cent amp for ten bucks. Jun 4, Sep 21, 5. Get a reissue and put a RC in it. I liked the 3 listed above enough to ‘splurge’ and order about 15 of each. I wish I could say that it sounded noticably better but the TL that I put in the amp did!

You most certainly can. Your name or email address: If you really want the pedal, use the RC chip as a means to negotiate a lower price. Conversion to Krc4558 – this seems to be a perennial hot one.

Here’s two places that have what you need. Since your talking about the reissue, which already has the JRC, there is not a huge difference in chips as some will lead you to believe.