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 GE-7 Noise. Revisited. (pics inside)
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adamskyyy
Copper Member

Poland
9 Posts

Posted - 02/21/2008 :  00:55:49  Show Profile  Reply with Quote
Thanks for your welcome ;] ... now I ready know .My EQ is MIJ so tommorow I will hear new voice form my EQ ;] .Regards !

once more question - shoudl I totally remove R1 (470 ohm) and put new one - (140 ohm) or just add in parallel to R1 470 ohm and extra 140 ohm ?

Edited by - adamskyyy on 02/21/2008 01:03:57
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ChristoMephisto
Platinum Member

Canada
1288 Posts

Posted - 02/21/2008 :  03:15:32  Show Profile  Reply with Quote
totally remove both D1 and R1 and jumper them.
now it can work alone with a boss psa adapter
Theres an easier way, but i have to check out a lunar eclipse
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Dr. Bob
Moderator

Australia
6593 Posts

Posted - 02/21/2008 :  07:16:16  Show Profile  Visit Dr. Bob's Homepage  Reply with Quote
quote:
Originally posted by ChristoMephisto

totally remove both D1 and R1 and jumper them.
now it can work alone with a boss psa adapter
Theres an easier way, but i have to check out a lunar eclipse



Hi Christo
What does link wire have to do with the lunar eclipse?
Green link wire sounds better...

Regards Dr. Bob
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ChristoMephisto
Platinum Member

Canada
1288 Posts

Posted - 02/21/2008 :  12:19:14  Show Profile  Reply with Quote
Twas busy looking at the dark side of the moon to give better details
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adamskyyy
Copper Member

Poland
9 Posts

Posted - 02/21/2008 :  15:18:36  Show Profile  Reply with Quote
But I am supply my eq-7 with 9v AC . 1) This will not demage my eq ? 2)How Can I check year of production ? S/N730500 .There is also a numer on PCB MT-1 75215510 if it can help .
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bosshog
Silver Member

Canada
493 Posts

Posted - 02/21/2008 :  15:27:59  Show Profile  Reply with Quote
Jumping for Joy!

I know the feeling...

http://www.abc.net.au/science/news/img/health/joy220207.jpg
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adamskyyy
Copper Member

Poland
9 Posts

Posted - 02/21/2008 :  15:31:49  Show Profile  Reply with Quote
Ok so after jump shoudl I also replace TL022 for TL072 + add paralel 270pF capitor to R26 ? And It's all ?
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ssanyee
Silver Member

Hungary
288 Posts

Posted - 02/21/2008 :  18:49:27  Show Profile  Reply with Quote
quote:
Originally posted by diggum12

Hey Dr. Bob! Been VERY busy lately...

The TL072's are great IMHO, but I like them better in distortion pedals. Very smooth, but a little noisy. I put RC4559P's in my GE-7 (MIJ), because even though they produce slightly more midrange they are more Hi-Fi.

In then end, trust your ears though.


I would suggest NE5532 chip, I use it usually -> really reliable and the lowest noise in the misc market

Edited by - ssanyee on 02/21/2008 18:49:59
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pedals 4 pv
Platinum Member

Canada
1351 Posts

Posted - 02/21/2008 :  18:57:28  Show Profile  Reply with Quote
quote:
Originally posted by adamskyyy

But I am supply my eq-7 with 9v AC . 1) This will not demage my eq ? 2)How Can I check year of production ? S/N730500 .There is also a numer on PCB MT-1 75215510 if it can help .



Go to the Bossarea home page and in the menu go to general information there you will find the serial number decoder.
here's the link:
http://www.bossarea.com/serial/sndecoder.aspx
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