Mellotronists

--- In Mellotronists@yahoogroups.com, "ceccles_ca" <clay123@r...> 
wrote:
> My MK VI #019 was assembled over four years ago.  Markus Resch has 
> made a number of improvements to the preamplifier.  I recently 
> shipped my preamp to Stockholm for upgrades.
>  
> The preamp design was improved several years ago, to better match 
the 
> low impedance heads.  In addition to other innovative design 
changes, 
> the tone control was changed to provide a larger adjustment range.
> 
> MK VI #019 was down for about a week, while the preamp was on 
holiday 
> in Stockholm.  I wired up the preamp yesterday.
> 
> Did I notice much of an improvement?  Yes.  The new preamp 
> arrangement is very quiet.  The old preamp was relatively quiet, 
but 
> this new design is quiet even at wide open gain.  (My amp goes to 
> eleven!!!)    Markus has worked hard to minimize the noise level of 
> this new preamp version.
> 
> Clay Eccles
> MK VI #019


P.S.
I forgot to mention the new swell pedal jack on the preamp.
The jack on the back of the MK VI preamp is a T-R-S balanced output.
 
There is a new jack on the front. It is intended for a T-R-S swell 
pedal. That means that you can connect a swell pedal (for keyboards, 
10kOhm) to this jack with only one cord. 

The balancing of the "rear" output and its 600 ohm output impedance 
stays unaffected by the volume pedal.  <-- (I'm not sure what the 
sonic benefit is, but it must be a good thing... right?)

I found a keyboard swell pedal in an Antique shop yesterday.  It has 
a single T-R-S plug on it, and a $9 price tag.  No surprise that it's
wired to the MK-VI now.  It works... and sounds great.  The noise 
level is extremely low.

Clay Eccles
MK VI #019