Mark Design Amps | Mesa Amp Auctions
Their compact size, stunning power have served legions of proud owners who see the Mark IV as the culmination of guitar amp evolution. The fifty thousand Mark I, II, III and Mark IVs still in active duty are testament to this heritage. Their compact size, stunning power and ultimate versatility have served legions of proud owners who see the Mark IV as the culmination of guitar amp evolution. The fifty thousand Mark I, II, III and Mark IVs still in active duty are testament to this heritage.