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 The buffer stage
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Goran
Double Platinum Member

Sweden
2203 Posts

Posted - 09/04/2007 :  08:54:02  Show Profile  Reply with Quote
The quality of the buffer stage seems to have a profound effect on the tone-sucking qualities of a pedal, I have read that from several sources, and it sounds relevant. The buffer stage is ON even when the pedal is �by-passed�.

Does the buffer stage differ in Boss pedals, or is it a �standard� one found in every pedal?

I�m not so sure about that, as there are several known tone-suckers, like PSM-5 and TU-2.
I also read in a test of the new RE-20 that this pedal had a high quality buffer. I thought of to really test this so I brought out my looper/true bypass-box and connected RE-20, and indeed there was no signal loss at all when listening real closely. Then I did the same thing with PSM-5, and guess what�. There was a very noticeable difference in tone quality, a little muffled and less bright than the direct signal. Adding up with a couple of other tone-suckers would not be so good.... But we have EH-2 for that!



Edited by - Goran on 09/04/2007 08:57:27

bossarea
Forum Admin

United Kingdom
3652 Posts

Posted - 09/04/2007 :  10:36:14  Show Profile  Visit bossarea's Homepage  Reply with Quote
It's not a standard buffer stage. A number of different switching FETs have been used and the surrounding components changes from pedal to pedal as well.

I don't regard the PSM-5 and TU-2 as tone suckers and think especially the TU-2 has an undeserved bad rep. I haven't done any side by side comparing but I suspect that the oldest pedals are the worst tone suckers and the newest, the best.
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StratoSphere
Double Platinum Member

Canada
2232 Posts

Posted - 09/05/2007 :  02:40:02  Show Profile  Send StratoSphere an AOL message  Click to see StratoSphere's MSN Messenger address  Reply with Quote
^^^ agreed. i dont find the TU-2 to suck tone at all. and i also agree with older pedals being noisier. guess thats the price you pay for analog..

(its worth it)
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