Search found 3 matches

by Red3
Sat May 25, 2019 9:47 pm
Forum: Mark Series
Topic: Mark III Mods: R1 to R2/R3 Bass & Treble reduction & Increased Dynamic Response.
Replies: 0
Views: 157

Mark III Mods: R1 to R2/R3 Bass & Treble reduction & Increased Dynamic Response.

This is an excerpt of a post on the "Mesa Boogie Mark lll Owners" FB Group, (amp tech based in Switzerland regarding his Purple stripe combo): I modified it a bit, less sharp trebly-ness as most blue stripe amps are, replaced all electrolytes just because they were 30years+ of age......nothing fancy...
by Red3
Sat May 25, 2019 9:43 pm
Forum: Boogie Board News & Announcements
Topic: This Forum is Awesome.
Replies: 0
Views: 111

This Forum is Awesome.

Great Forum everyone. So glad I found this.

I'm running an '87 Mark III Red Stripe Simulclass hardwood Imbuya combo (EV12s, plus a 1xEV12s extension cab).
by Red3
Thu May 16, 2019 5:08 am
Forum: Mark Series
Topic: Mark IIC/C+ and III Power Section 1.5K Resistor Placement
Replies: 10
Views: 1364

Re: Mark IIC/C+ and III Power Section 1.5K Resistor Placement

I had already done a III+ mod with everything else identical to a IIC+, but left this 1.5K resistor stock until I made this discovery this week. I changed its placement in the power circuit of my III+ to be the same as the IIC+ this morning and noticed a massive change in sound! As in the amp is br...