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For years bassists have been combining guitar and bass amps to remarkable effect, adding harmonics and layers of overdrive from a guitar amp to their core bass tone in pursuit of the ultimate live sound.
For years bassists have been combining guitar and bass amps to remarkable effect, adding harmonics and layers of overdrive from a guitar amp to their core bass tone in pursuit of the ultimate live sound. This ‘bi-amp’ trend got us thinking… Why drag two amps to the show when you could take just one? The result is the OB1 Series of class A/B rack mountable bass heads which take care of this and much more besides.
The key to the OB1’s unique sound is Oranges footswitchable Blend circuit which adds a veneer of controllable gain and increased harmonic content to the upper registers of the input signal. The lower frequencies and clean signal are left alone, staying warm and clear just as they would be in a ‘bi-amped’ setup. Depending on where the Gain and Blend controls are set, the possibilities are limitless. Punch in the Blend control to achieve anything from a transparent clean boost, to all-out filthy grind, and everywhere in between.
OB1-500 shares the same layout and 2U rack dimensions as the less powerful OB1-300, coupled to a full fat 500 Watt output section to move some serious air. • FEATURES: RACK MOUNTABLE (2U) ‘BI-AMP’ INSPIRED BASS HEAD WITH FOOTSWITCHABLE GAIN & BLEND CONTROLS, ACTIVE 3 BAND EQ, BALANCED DI & LINE LEVEL OUTPUTS • FRONT PANEL (RIGHT TO LEFT): INSTRUMENT INPUT WITH ACTIVE/PASSIVE SWITCH, GAIN, BLEND, BASS, MIDDLE, TREBLE, VOLUME, FOOTSWITCH INPUT, MAINS SWITCH • REAR PANEL (RIGHT TO LEFT): SPEAKER OUTPUTS (SPEAKON), 1/4″ LINE OUTPUT, BALANCED OUTPUT WITH GROUND LIFT SWITCH • SPEAKER OUTPUT OPTIONS: MINIMUM 4 OHM: 1x8 OHM, 2x8 OHM, 1x4 OHM • OUTPUT POWER: 500 WATTS, CLASS A/B • FINISH OPTIONS: WHITE POWDER COATED STEEL CHASSIS (2U 19″ RACK MOUNTABLE) • UNBOXED DIMENSIONS (WxHxD): 48.2 × 26.5x10CM (18.97x10.43x3.93″) • UNBOXED WEIGHT: 10.1KG (22.26LB)
Class A/B rack mountable 500W Bass Head
Active 3 band EQ
Balanced DI Output
Blend control can then be remotely engaged or defeated using the optional footswitch