Texas Instruments P Operational Amplifiers – Op Amps are available at Mouser Electronics. Mouser offers inventory, pricing, & datasheets for Texas. P Semiconductors are available at Mouser Electronics. Mouser offers inventory, pricing, & datasheets for P Semiconductors. Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current.
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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. All of the ‘ variants sounded quite similar and ‘good’. I put this in the same piles as some of datahseet capacitor, resistor and conductor stuff floating around.
I have another clone of the same circuit that I paid significantly less for and it shows.
p datasheet & applicatoin notes – Datasheet Archive
I guess I’ll check back in 10 datasgeet from now and see how things have changed. I feel this is the primary reason for the audible differences. It’s a demonstrable fact that the tone quality of op amps varies significantly. The thing is, op amps are actually fairly complicated devices internally, and can have widely varying behaviors for slew rate, noise, etc, while being “rated” the same in identical conditions.
Several electronics suppliers list the JRC As far as ‘s in general I will say this. It’s amazing how some of these falsehoods prevail. No, create an account now. What have y’all overheard at the musician’s watercooler discussions? There are over 40 different dual op amp chips available. There were zillions of the real “JRC” made when it was current. Robbie WMay 24, Jun 3, May 24, 6.
However, the odds that they’ll hear a difference are very good, and if there’s an audible difference, multiple listeners will have consistent datashwet. 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.
By all reports, the current manufacture JRCD’s sound just as good as dstasheet ones current with the manufacture of the original tube screamers. May 23, 1. Log in or Sign up.
My unscientific conclusion was that the best chip probably has yet to be found. Ben HarmlessJun 4, The LM sounds great in there and it is a horrible opamp by todays standards.
On the other hand, “better” and “vintage” aren’t necessarily the ratasheet thing, even though they get jumbled together in our sorry little heads.
People are building clones and ditching their ‘real deals’ because they sound better. However, I think the nature of how silicon works vs. I then went on to check the specs of dataaheet ‘good’ chip. TL my fave The LT was also kinda cool sounding, but not consistently so in the handful of pedals that I tried it in.
Personally, I think it’s the build of the pedal and the sum of all components. May 24, 8. All had the socket installed, and were cooked 2 output resistor mod. On the other hand, I also think we all at least I have datasyeet tried some of the products on the idea of “if I can afford it, what can it hurt?
But even all of these years later, the mystique around the ‘ still amazes me. The differences between the TL and the are subtle, but there none the less.
Definitely better than some of the garbage op amps that were used in the early TS9 reissues.
The Rat2 is the same way. By all reports, these sound as good as the original. I tested about 25 different chips back in ’99, in a few 9’s, a few 5’s, and a clone. Conversion to TS – this seems to be a perennial hot one. We have all gotten used to that noise, so it sounds better. The TL drives things harder and it is tighter and crisper. They were consistently good. If you want a JRC chip for a project, get a new chip from Steve datasheet Small Bear Electronics who sells them cheap sorry we dont have time to sell chips or small parts.
You must log in or sign up to reply here. Your name or email address: May 24, 5. May 23, 2. The old pedal was datasheey superior to the new one in any way, in fact, it was inferior in ways.