Re: [AH] Re: Roland System 100's - Tuning

From Bakis Sirros
Sent Sat, Mar 3rd 2007, 02:26

hello Florian, and all,
thank you for the info!!
best regards,      :-)
Bakis.


Bakis Sirros - Parallel Worlds / Interconnected / Memory Geist
http://www.parallel-worlds-music.com
http://www.myspace.com/parallelworldsmusic
http://www.myspace.com/interconnectedmusic
http://www.DiN.org.uk
http://www.shimarecords.co.uk
http://www.rubber.gr
[doepfer_a100] group owner
Athens - Greece

----- Original Message -----
From: "Florian Anwander" <Florian.Anwander@consol.de>
To: "analogue list" <analogue@hyperreal.org>
Sent: Friday, March 02, 2007 4:52 PM
Subject: Re: [AH] Re: Roland System 100's - Tuning


> Hi Bakis,
>
> Tony wrote:
> > A failure in tuning on the System 101 could be the heated uA726 matched
> > pair in the VCO. If the heater goes bad the tuning can be very poor.
> Very simple testing: Switch on the synth, after 5 minutes touch the
> uA726. If it smells ugly before it hurts, the 726's heater works fine. ;-)
>
> Btw, lousy capacitors in the powersupply could cause bad tracking too.
>
> Florian
>