Members separanets Posted February 29, 2008 Members Share Posted February 29, 2008 Hi, I've got three rats with three different op-amps and they all sound differently: Small Box White Face with LM308N by National Semiconducter Big Box Reissue with LM308N by Motorola Big Box Reissue with LM308AN by ??? What bothers me is that the Big Box LM308AN is the noisest out of all the three and sounds closer to the White Face. Can you give a bit more information about LM308N and LM308AN in Reissues? Where on chips I can read who made them? Thanks. Link to comment Share on other sites More sharing options...
Members separanets Posted March 1, 2008 Author Members Share Posted March 1, 2008 Is anyone aware about these microchips? Link to comment Share on other sites More sharing options...
Members TheGareth Posted March 1, 2008 Members Share Posted March 1, 2008 Just out of interest, can you post pictures of the three pedals? Link to comment Share on other sites More sharing options...
Members separanets Posted March 1, 2008 Author Members Share Posted March 1, 2008 Yes, definitely!Onehttp://files.injapan.ru/proxy/picture?url=http%3A%2F%2Fimg319.auctions.yahoo.co.jp%2Fusers%2F8%2F5%2F0%2F7%2Fjamzipsato-img600x450-1198130710rat-1.jpg&signature=2a922d0cf413cc357252718bc22777c1033540cbhttp://files.injapan.ru/proxy/picture?url=http%3A%2F%2Fimg319.auctions.yahoo.co.jp%2Fusers%2F8%2F5%2F0%2F7%2Fjamzipsato-img600x450-1198130717rat-2.jpg&signature=8087e6fde313796231820b48dcd241243086aa33 twohttp://files.injapan.ru/proxy/picture?url=http%3A%2F%2Fimg225.auctions.yahoo.co.jp%2Fusers%2F1%2F5%2F2%2F0%2Fsoundstudiouk-img120x160-1200655959rat1.jpg&signature=8e7e0e67332ceb25597114928a27a3c7f023e51a threehttp://files.injapan.ru/proxy/picture?url=http%3A%2F%2Fimg221.auctions.yahoo.co.jp%2Fusers%2F9%2F1%2F6%2F1%2Fkinudebu0721-img600x450-1188901152cimg0002.jpg&signature=92e539c9aecf9574ad2c1820581ed6d7065eb620 And a couple comments that I found:http://www.talkbass.com/forum/archive/index.php/t-381294.html [deleted, possible malware site] They are specific and controversial, so I couldn't understand what chip was better. Link to comment Share on other sites More sharing options...
Members Fantomius Posted March 1, 2008 Members Share Posted March 1, 2008 http://www.vodkamods.com/rat2.html -NOW INCLUDES SOCKETED NE5534AP CHIP...BETTER THAN LM308 what about this NE5534AP ? Link to comment Share on other sites More sharing options...
Members TheGareth Posted March 1, 2008 Members Share Posted March 1, 2008 Thanks for the pictures, I just wanted to see how the different reissues looked. Link to comment Share on other sites More sharing options...
Members separanets Posted March 1, 2008 Author Members Share Posted March 1, 2008 I will probably sell two reissues and I needed to know which chip is better. Now I think it matters little. Link to comment Share on other sites More sharing options...
Members Jbrazz Posted March 1, 2008 Members Share Posted March 1, 2008 can i get this kind of tone with a rat? [YOUTUBE]08_2eTj3wsA&[/YOUTUBE] Link to comment Share on other sites More sharing options...
Members willburford Posted March 1, 2008 Members Share Posted March 1, 2008 can i get this kind of tone with a rat? Most definitely. I've got a new turbo rat w/lm308 and that's pretty much what it does (and a lot more, but that's my favorite setting). Word on the street is that Thom Yorke ran two turbo rats in series for the Ok Computer tour. Link to comment Share on other sites More sharing options...
Members Jbrazz Posted March 1, 2008 Members Share Posted March 1, 2008 0o0o0o0o thank you. Link to comment Share on other sites More sharing options...
Members separanets Posted March 1, 2008 Author Members Share Posted March 1, 2008 I thought the Turbo Rat had another op-amp. I bought mine and returned it on the next day and later replaced with a Deucetone that I love. I think in a Rat the gain must be set over 12 o'clock to correspond the drive in that clip. What happend to the telecaster, I saw a big dent on it; mice? Link to comment Share on other sites More sharing options...
Members Jbrazz Posted March 1, 2008 Members Share Posted March 1, 2008 possibly a shredmaster? Link to comment Share on other sites More sharing options...
Members johanwastaken Posted March 1, 2008 Members Share Posted March 1, 2008 Is there really a difference between the different manufacturers? LM308N is just an industry standard, so they should sound the same.I ordered two. I got one National Semiconducter and one ST Microelectronics. Went for the ST since...well I dunno. Link to comment Share on other sites More sharing options...
Members friction Posted March 1, 2008 Members Share Posted March 1, 2008 I thought the Turbo Rat had another op-amp. I bought mine and returned it on the next day and later replaced with a Deucetone that I love. I think in a Rat the gain must be set over 12 o'clock to correspond the drive in that clip. What happend to the telecaster, I saw a big dent on it; mice? Turbo Rats used the LM308 until 2003ish just like the rest of the Rats. Link to comment Share on other sites More sharing options...
Members Jbrazz Posted March 1, 2008 Members Share Posted March 1, 2008 Most definitely. I've got a new turbo rat w/lm308 and that's pretty much what it does (and a lot more, but that's my favorite setting).Word on the street is that Thom Yorke ran two turbo rats in series for the Ok Computer tour. do the turbo rats come with the lm308? or was that a mod you did? Link to comment Share on other sites More sharing options...
Members Brian Marshall Posted March 1, 2008 Members Share Posted March 1, 2008 I always thought the really old ones had a metal can type LM308. not a chip. Supposedly "better" sounding. I don't know much about the history and changes of the 308, or how it differs from brand to brand. In general, IC's with the same part number have the same general specs. Of course, that doesnt mean they will all sound the same. Link to comment Share on other sites More sharing options...
Members grayeyes777 Posted March 1, 2008 Members Share Posted March 1, 2008 I've had a keeley mod rat with the 308 and i have an original and they were almost nothing alike. the keeley is much much darker and has a ton more gain on tap. the original is the most "amp like" sounding box i've ever used (as far as hi gain pedals go). i don't know if that has to do with the chip differences or not. I've never tried a mod that nailed the original... but i haven't tried the fkr yet though. Link to comment Share on other sites More sharing options...
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