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I prefer my 3 channel mesa dual rectifier to my mk iii & mk ivBoogie audiofanzine .
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I prefer my 3 channel Mesa Dual Rectifier to my MK III & MK IV | Rig-Talk
Mesa Boogie Mark IV Combo image (#536986) - Audiofanzine
Mesa Boogie Mark IV - Music Electronics Forum
Extended Class A and Simul-Class TM Technology