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 EH-2 .OK... ONCE AND FOR ALL!!
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StratoSphere
Double Platinum Member

Canada
2232 Posts

Posted - 11/23/2008 :  00:44:28  Show Profile  Send StratoSphere an AOL message  Click to see StratoSphere's MSN Messenger address  Reply with Quote
first off, i love the EH-2. its one of two pedals that NEVER leave my chain.. but what EXACTLY it does has always been a mystery to me.. the way some people talk about it, it seems to be this magical pedal that personally knows YOUR rig and just makes everything sound perfect..

ive never actually opened one up but to me it almost seems like a one band parametric EQ. to my ears it seems that it only adds to the mid-high range.. i remember reading somewhere that the EH-2 adds treble back to your signal since the highs are the first thing that you lose with long cables or using multiple effects.. i guess what im saying is that i have a good understanding of how all other effects work but is it possible that its nothing more than a parametric mid/high boost?

discuss..

Big Boss Man
Gold Member

USA
564 Posts

Posted - 11/23/2008 :  03:23:06  Show Profile  Reply with Quote
Yeah, it definitely does some restoration of the high frequencies. There is probably some more subtle stuff going on in the low/mid range too. I always thought it was the pedal version of the BBE Sonic Maximizer.
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DeFrag
Moderator

USA
3409 Posts

Posted - 11/23/2008 :  05:22:05  Show Profile  Visit DeFrag's Homepage  Click to see DeFrag's MSN Messenger address  Reply with Quote
That's all it really does it add back in some higher frequencies to offset some of the muddiness. I'd sure like to see some waveforms on a scope though to see if it cuts or filters any adjacent frequencies to the RMS fundamental & tracked harmonics to help clean up the signal.
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Right Foot Boss
Gold Member

USA
881 Posts

Posted - 11/23/2008 :  06:02:19  Show Profile  Visit Right Foot Boss's Homepage  Send Right Foot Boss an AOL message  Reply with Quote
Another question about this box I'd like to know is where in the chain?

Most of us use it at the end to restore, but in a couple of the pocket guides/guidebooks places the EH-2 after compression and before distortion. Of course it's all up the the ears, but would the advantages to this pre-distortion placement be?
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ChristoMephisto
Platinum Member

Canada
1288 Posts

Posted - 11/23/2008 :  06:12:17  Show Profile  Reply with Quote
Here someone describes whats going on inside with the VCA and such
http://www.thegearpage.net/board/showthread.php?t=150927

The service notes has some waveforms, if that helps

Forgot how much I loved this pedal
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DeFrag
Moderator

USA
3409 Posts

Posted - 11/23/2008 :  12:05:00  Show Profile  Visit DeFrag's Homepage  Click to see DeFrag's MSN Messenger address  Reply with Quote
Are the service notes available for Boss pedals somewhere?
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ChristoMephisto
Platinum Member

Canada
1288 Posts

Posted - 11/23/2008 :  14:25:53  Show Profile  Reply with Quote
I got them, but darned if I can remember where I got them from

found a link to the schems...
http://electroconducive.googlepages.com/schematics

Edited by - ChristoMephisto on 11/23/2008 16:21:55
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Mesjoggah
Gold Member

Netherlands
595 Posts

Posted - 11/23/2008 :  16:11:25  Show Profile  Click to see Mesjoggah's MSN Messenger address  Reply with Quote
I did put this pedal back in the chain last week, it's amazing how much it brings back to your sound, especially as in my mind the EH-2 was the pedal that didn't do anything..
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DeFrag
Moderator

USA
3409 Posts

Posted - 11/23/2008 :  22:16:01  Show Profile  Visit DeFrag's Homepage  Click to see DeFrag's MSN Messenger address  Reply with Quote
quote:
Originally posted by ChristoMephisto

I got them, but darned if I can remember where I got them from

found a link to the schems...
http://electroconducive.googlepages.com/schematics



Tks for the link ChristoMephisto!
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zerksies
Double Platinum Member

USA
3406 Posts

Posted - 11/24/2008 :  00:20:07  Show Profile  Send zerksies an AOL message  Click to see zerksies's MSN Messenger address  Send zerksies a Yahoo! Message  Reply with Quote
I had one in my board for about 6 months could never figure what it did but thought the idea was cool but i got rid of it
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the-destructor
Silver Member

USA
334 Posts

Posted - 11/24/2008 :  01:22:44  Show Profile  Reply with Quote
Thanks D-cell...Just kidding
quote:
I had one in my board for about 6 months could never figure what it did but thought the idea was cool but i got rid of it


I used one for quite a spell, replaced it with a BBE Sonic. Guess what little girls. I love Boss, but, NO Comparison. BBE, hands down. If I could describe it, it would be what was classically known as "presence". EH-2 has it's place, but Sonic Stomp is the machine I wanna ride.
T-D
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