JRC 4558D 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 . GENERAL DESCRIPTION. □ PACKAGE OUTLINE. The NJM/ integrated circuit is a dual high-gain operational amplifier internally. See detailed ordering and shipping information in the package dimensions section on page 10 of this data sheet. ORDERING INFORMATION. 1. TSSOP −
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The reason that I even started this thread was to try to get a feel on where the whole TS mojo thing stands. Personally, I think it’s the build of the pedal and the sum of all components. May 24, 5. To participate you jr to register. Hi Tim, I was looking for ‘datasheet ‘ when Yahoo steered me to here, and now Rjc a member 1 minute old!
They had nothing in common.
JRCD Datasheet, PDF – Alldatasheet
Originally Posted by dineshdeshmuk. When you order these, you get parts that are labeled “JRC”. I sent Analogman my TS-9 several years ago and had him replace datashet chip and beef up some weak spots with no other mods and it came back as he described: And I started probing really deep around the time that Analogman started offering their wares, oddly enough. The MC is very old and had poor performance.
(PDF) JRC4558 Datasheet download
As far as ‘s in general I will say this. If you’re doing this to a TS 10, short out the 1K 4558v leading to pin 3 of the dual opamp as well. I attribute the superior tone to the builder of the box.
I yanked it out and put it in my TS5. May 23, 3.
And, of course, this is because they all meet the same specifications. I have another clone of the same circuit that I paid significantly less for and it shows. How to test the IC having part no. Great points made, truly. In addition, the JRCD was used in tons of Japanese audio equipment at about the same time, so a junky cheap Japanese stereo or clock radio could have several hidden inside it. No, create an account now. These 3, in particular, sounded really, really good.
Yesall normal types Point for measuring output signal with voltmeter or scope.
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Distorted Sine output from Transformer 8. There are over 40 different dual op amp chips available. I would use a TL Choosing Datasjeet with EN signal 2. How reliable is it? Click here to register now. Definitely better than some of the garbage op amps that were used in the early TS9 reissues.
Is there any special equalization needed for the preamp or does it neeed a flat response from say datashet to 20khz Dec 248: What’s more the is more expensive here than the Put a TL in there and be prepared for an overly bright and brittle sound.
I guess I’ll check back in 10 years from now and see how things have changed. Does true “New Old Stock” matter? All had the socket installed, datasheer were cooked 2 output resistor mod.
We have all gotten used to that noise, so it sounds better. I didn’t overhear anything. Back when my vintage Rat II died and I needed a replacement, I was kind of shocked just how inferior the current production Jrx are – and the only substantial difference is the op amp.
It’s amazing how some of these falsehoods prevail. Early TS’s have the Ibanez R “trademark” logo which some people seek. Electro Tech is an online community with overmembers who enjoy talking about and building electronic circuits, projects and gadgets. Do you already have an account?
You are still not specific with the details Thread starter timothy Start date Aug 17,