DIMENSIONS: 2U rackmount, 19" wide x 10.5" x deep 3.5" high AC VOLTAGE: 120V 60Hz (230V 50 Hz "-E" models available) - Power Requirements: 600VA PROTECTION: speakers, over current, under voltage and thermal SOFT START: gradually turns the amp on to prevent surges that can trip circuit breakers FS22 FOOTSWITCH: Controls Graphic EQ on/off & MUTE on/off DI OUT with Pre/Post swtich: -50 to +4 dBu adjustable, DC isolated XLR output ACTIVE/PASSIVE Input Jack: 10 dB gain switch - accommodates all basses REQUENCY RESPONSE: +/- 1 dB 20 Hz - 20 kHz amplifier section OUTPUT MODE: high efficiency CLASS D technology Designed and built by Carvin in the USA Exclusive AC cord features a "lock-in" function to prevent accidental cord disconnect Circuit boards are MIL SPEC, double sided, FR-4 glass epoxy Construction features solid metal shaft controls with threaded metal bushings Variable speed fan runs silently while at low speeds Switch mode power supply operates at 90,000 Hz delivering maximum efficiency while reducing heat and weight 94% efficient CLASS D output delivers high current for continuous 2 ohm operation and is cool running, plus uses less AC power from the wall SPEAKER OUTPUTS feature high current SPEAKON™ combo jacks, which also accept standard 1/4" cables EFFECTS LOOP is designed to work with footpedals or rack processors, and is switchable from the front panel or from the optional FS22 footswitch TUNER output jack is independent of the MUTE switch MUTE switch can be engaged for quick bass changes, which is also controlled by the optional FS22 footswitch ACTIVE/PASSIVE switch tailors the input for different bass outputs MASTER level controls the overall level The GROUND LIFT switch next to XLR helps isolate hum to the recording or PA console. This enables level changes without affecting the XLR output. The POST setting includes the EQ and EFFECTS LOOP, bypassing the MASTER LEVEL. The PRE setting is buffered directly from the first stages of the preamp to the XLR. The direct out features a DI LEVEL control and PRE/POST switch on the rear panel controlling the XLR balanced output on the rear. Its simple yet powerful controls make it easy to dial in your idealized tone without fussing with lots of knobs. However, the 6 active tone circuits are available to carve out your signature sound, starting with the SUB BASS. Tone begins with a boutique flat response. The DRIVE will add harmonic content to your sound when approaching 10 on the dial, which pushes the CLASS A preamps into a sweet overdrive. The DRIVE control adjusts the input level to the CLASS A preamps and compensates for the input sensitivity of various bass pickups. For added warmth, take advantage of the internal 12AX7 TUBE that utilizes two stages that precede the power amp section. The B2000 uses three different transparent limiters to maintain its high headroom to assure ultra clean power even with extreme string slapping. The high output B2000 produces 700w RMS at 8 ohms, 1300w at 4 ohms or 2050w at 2 ohms. Nothing provides a better foundation than the B2000 - huge power and big tone. The B2000's light weight, premium features, rugged construction, including the exclusive "lock-in" AC cord, offer the bass player what he/she needs to be heard and felt. But more then power, it’s the big tone this amp produces from its CLASS A preamp, 6 active EQs and warm 12AX7 tube. Featured in a 19" 2U rack mount package weighing under 14 pounds, the days of 80 lbs amps are over. Its style offers the classic boutique look that in part comes from the large brass knurled chrome knobs, which offer a solid feeling when using the controls. The mighty B2000 mono block head has been called the "King" of bass amps for one reason - its massive 2050 watts.
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