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PostPosted: Sun Sep 30, 2018 3:59 pm 
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Mark III

Joined: Thu Jun 02, 2011 4:00 pm
Posts: 267
Location: France
Most of you Guys have MKIIB, MKIIC, MKIIC+, MKIII et consorts...

The MKIIA is less seen, so I decided to repost something about that model, with my pics... 8) :roll:

I did a heavy job to make that amp working nearly flawlessly, I mean : no adverse noise (hum, pops, scratches, Larsen) at any setting, a great deep balanced reverb tone, a progressive volume and master controls, a usable FX loop, a complete FSW, a "Santana" speaker...

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For some time, I added an EVM12L Thiele cab, that I finally sold for weight reasons :oops:

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And even an (aftermarked vintage) hardwood cab, that I also sold for weight reasons and fear of damaging it :oops:

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Put in a FlyCase "lite" (7kg) :

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I built a "complete" footswitch :

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I also built an FX loop adapter :

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What I can't improve is my age and my backbone... My MKIIA in working order in its flycase is an anvil to carry : it's his only drawback !

A+!

_________________
Only one venerable Boogie MKIIA S/N° 4915 from March 1980 (dixit Daniel "igfraso" - thanks !), in Tolex Cab with a 1978 ALTEC 417-8H Series II speaker, and personal circuit improvements.

guilhemamplification.jimdo.com


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PostPosted: Mon Oct 01, 2018 7:20 pm 
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Mark II
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Joined: Sun Jan 12, 2014 2:29 pm
Posts: 119
You have done a great job making the wonderful MKIIA even better. I played mine on Saturday. Great growl on lead, chime on clean. They should reissue one with your improvements and an effects loop.

_________________
MKIIA in Custom Black Limba Cabinet Tone Tubby Winterland;
Express 5:25+ with Tone Tubby Purple Haze


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PostPosted: Tue Oct 02, 2018 8:53 am 
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Mark III

Joined: Thu Jun 02, 2011 4:00 pm
Posts: 267
Location: France
b00g13mk2B wrote:
You have done a great job making the wonderful MKIIA even better. I played mine on Saturday. Great growl on lead, chime on clean. They should reissue one with your improvements and an effects loop.


Thanks b100g13mk2B !

Yes, the MKIIA is a great amp, which offers improvement possibilities... Except for the weight !

A+!

_________________
Only one venerable Boogie MKIIA S/N° 4915 from March 1980 (dixit Daniel "igfraso" - thanks !), in Tolex Cab with a 1978 ALTEC 417-8H Series II speaker, and personal circuit improvements.

guilhemamplification.jimdo.com


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PostPosted: Tue Oct 02, 2018 5:59 pm 
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Mark II

Joined: Tue Feb 06, 2007 8:24 am
Posts: 81
Thank you! Thank you! Absolute beauty! Love the upgrades/mods. Mine makes me very happy every time I fire it. Tell us more about it...there is a criminal lack of Mark IIA info available.

_________________
'89 Mark III (Blue Stripe)
'79 Mark II


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PostPosted: Thu Oct 04, 2018 12:57 pm 
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Mark III

Joined: Thu Jun 02, 2011 4:00 pm
Posts: 267
Location: France
Quote:
Tell us more about it...there is a criminal lack of Mark IIA info available.


I retrieved the fichier (dated 07/2011) which listed most of the modifications I have made to my MKIIA :

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Sorry for the small pictures - if you want more details, feel free to ask.

Note : common sense lets you guess that you need enough knowledge, skills and tooling about tube guitar amp and electronics if you want to go that way, or at least you have a good friend that have all that to help you do the job... Or do it for you ! I mean : it's not for beginners, OK ? :wink:

_________________
Only one venerable Boogie MKIIA S/N° 4915 from March 1980 (dixit Daniel "igfraso" - thanks !), in Tolex Cab with a 1978 ALTEC 417-8H Series II speaker, and personal circuit improvements.

guilhemamplification.jimdo.com


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