JRC 4558 DATASHEET PDF

The JRC integrated circuit by Japan Radio Company is a dual high gain operational amplifier internally compensated and constructed on a single silicon . JRC datasheet, JRC pdf, JRC data sheet, datasheet, data sheet, pdf, New Japan Radio, = NJM / Dual Operational Amplifier. jrc Datasheet PDF Download – Dual Operational Amplifier, jrc data sheet.

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Yes, my password is: It’s a demonstrable fact that the tone quality of op amps varies significantly. What have y’all overheard at the musician’s watercooler discussions? As far as ‘s in general I will say this. Do you already have an account? I guess I’ll check back in 10 years from now and see how things have changed. Clever marketing can take advantage dataeheet this to sell a ten cent amp for ten bucks.

My unscientific conclusion was that the best chip probably has yet to be found. May 24, 9. The TL drives things harder and it is tighter and crisper.

JRC4558 myths…

TL my fave The LT was also kinda cool sounding, but not consistently datashet in the handful of pedals that I tried it in. Several electronics suppliers list the JRC Some circuits sound better with inferior spec’ed chips.

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The reason a carbon comp resistor sounds “better” than a film resistor is the additional noise it adds to the circuit.

But even all of these years later, the mystique around the ‘ still amazes me. We have all gotten used to that noise, so it sounds better. Robbie WMay 24, So I don’t buy the Holy Grail theory. Ben HarmlessJun 4, You must log in or sign up to reply here. There is nothing magical about the “new old stock” JRC that constitutes spending too much money for a “vintage chip”. On the other hand, I also think we all at least I have personally tried some of the products on the idea of “if I can afford it, what can it hurt?

There is a post above that is datashete positive of this. May 24, Definitely better than some of the garbage op amps that were used in the early TS9 reissues. There are probably 3 that most guitarists would agree sound ‘bad. There’s a tremendous difference between being able to detect a difference and being able to specify the cause of the difference.

The old pedal was not superior to the new one in any way, in fact, dattasheet was inferior in ways. No, create an account now.

They had nothing in common. All of the ‘ variants sounded quite similar and ‘good’. I know I read something recently about the that even when the TS was in original production, there was no single vendor.

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Sorry to kick over any sacred cows but this is just my opinion based on my experience. I’m just wondering where things currently stand. Early TS’s have the Ibanez R “trademark” logo which some people seek. There are other dataheet like the slew rate that may contribute as well, but to me the input impedance difference is the biggie.

JRC Datasheet PDF – Dual Operational Amplifier

If you want “vintage Tube Screamer” then this is the best choice probably. I didn’t overhear anything. They are still available in isolated caches of parts, although they can sometimes be hard to find. Conversion to TS – this seems to be a perennial hot one. Jun 4, What we could all really wish for is that large-scale pedal manufacturers would actually do LISTENING tests on these “identical” parts, rather than just buying whatever is cheapest at the moment.

The clone had premium caps as well. Great points made, truly. I don’t think I went overboard with the cost on this one. When you order these, you get parts that are labeled “JRC”.