Orange Amplifiers OB1-500 500W Analog Bass Amp Head 1x8 EVANS Hydraulic drumheads are the

EVANS Hydraulic drumheads are the only heads on the market with a thin layer of oil between two plies of film to suppress unwanted overtones

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Dual-Diaphragm

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The XGA-4000 is a versatile amplifier designed with the latest technology to deliver sound quality and power

Orange Amplifiers OB1-500 500W Analog Bass Amp Head 1x8 EVANS Hydraulic drumheads are theDescription For years bassists have been combining guitar and bass amps to remarkable effect, adding harmonics and layers of overdrive from guitar amps to their core bass tone in pursuit of the ultimate live sound. This "bi amp" trend got the Orange engineers thinking, "Why drag two amps to the show when you could take just one?" The result is the Orange OB1 500 500W rack mountable bass head, which takes care of this and much more. There is also a