Search found 5 matches

by drchek
Mon Dec 02, 2019 4:30 pm
Forum: Mark Series
Topic: Mark IV Signal Path Questions
Replies: 1
Views: 556

Re: Mark IV Signal Path Questions

1. The spring reverb occurs before the loop.

2. The FX loop switch is on both ends of the loop.

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by drchek
Wed Nov 13, 2019 12:19 pm
Forum: Vintage Amps (Before 1991)
Topic: Is anyone playing blues with a Mk IV?
Replies: 8
Views: 1586

Re: Is anyone playing blues with a Mk IV?

bgh wrote:
Tue Nov 12, 2019 1:23 pm
May sound weird, but I get a decent blues tone when I max channel 1's gain, lower the bass and add a bit of mids. This is with a SG (for what it's worth).
Not weird at all. The clean channel has great breakup when cranked.
by drchek
Wed Jan 16, 2019 10:20 am
Forum: Effects
Topic: Pedalboard Layout Right to Left or Left to Right?
Replies: 3
Views: 2264

Re: Pedalboard Layout Right to Left or Left to Right?

Right to left. That's the way pedals jacks are positioned, and doing right to left means longer cabeling that crosses over each other.
by drchek
Thu Jun 21, 2018 11:22 am
Forum: Mark Series
Topic: Mark IV with a 50 watt speaker
Replies: 3
Views: 1839

Re: Mark IV with a 50 watt speaker

According to the manual: In the CLASS A position, only the two end power tubes are active, producing around 30 watts before clipping when operating TRIODE, or 50 watts when in PENTODE. In the SIMUL-CLASS position, ... the power kicks up to around 85 watts PENTODE or 70 watts TRIODE Doesn't specify a...
by drchek
Tue Jun 05, 2018 1:14 pm
Forum: Mark Series
Topic: The Mark IV thread....!!
Replies: 735
Views: 298689

Re: The Mark IV thread....!!

After many years of wanting one, I finally got my own Mark IV 8)

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This one is a Model A produced in 7/91, SN 2863.