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SM-900 Bass Amp

Item #: 
1273888004777
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The SWR SM-900 Bass Amp has the power, the sound, and the versatility bass players dream of. It can be run mono, stereo, or biamped and delivers 350W RMS stereo and 800W mono into 4 ohms. It has 2 ind... Read More

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Overview

The SWR SM-900 Bass Amp has the power, the sound, and the versatility bass players dream of. It can be run mono, stereo, or biamped and delivers 350W RMS stereo and 800W mono into 4 ohms. It has 2 independent and footswitchable 3-band, semi-parametric EQs, sidechain stereo and mono effects loops, an effects blend control, tuner send, adjustable limiter, a built-in crossover, and an XLR record out with pad and ground lift. Fan cooled, rackmountable.

Features
  • FRONT PANEL:
  • All tube preamp gain stages
  • Dual independent input jacks compatible for both active and passive instruments
  • Gain control with LED peak clipping indicator
  • Limiter with variable threshold control
  • Exclusive Aural Enhancer circuitry
  • Master volume control w/clip LED indicator
  • Active bass and treble controls
  • 2 independent switchable
  • 3-band semi-parametric EQs
  • EQ footswitch
  • Effects blend control
  • Tuner send
  • Electronic crossover
  • Rackmountable
  • Bi Amp Crossover Point Control: 100Hz to 1000Hz
  • Crossover Slope: 12 dB per octave
  • Rack Handles
  • REAR PANEL:
  • Stereo and Mono Effects Loop
  • Balanced XLR Output with select switch for Line or Direct Mode
  • Ground lift & pad control
  • High and Low Crossover Outputs
  • Power Amp Assign Switch selects Bridge or Stereo Mode
  • SPEAKER OUTPUTS:
  • 2 - 1/4" jacks each for Left and Right Stereo Out
  • One Speakon jack for Left and Right Side Output
  • One Speakon Output Jack for Mono Operation
  • Speaker fuses (x2): 3AG, 10 Amp, Fast Blo
  • Line Fuse: 3AG, 8 Amp, Slow Blo
  • On/Off Switch
  • INTERNAL:
  • (1) 12AX7 Preamp Tube
  • Cooling fan
  • FREQUENCY RESPONSE: (Power amplifier): -3dB @ 20Hz and 40KHz
  • SENSITIVITY:
  • Full output, 8 ohm load, 100Hz
  • Passive Input Jack: 50 millivolts
  • Active Input Jack: 200 millivolts
  • Power Amplifiers (Effects Return Jack "in"):1.6 volts
  • DiISTORTION:
  • Power Amplifiers (Effects Return Jack "in"): 0.03% THD
  • I.M. Distortion: 0.06%
  • System Distortion
  • (Gain and Master Volume full, Enhancer at minimum
  • and Tone controls set flat): 0.4% THD
  • SIGNAL TO NOISE RATIO: -75dB (EQUIVALENT INPUT NOISE: 8.9 microvolts
  • INPUT IMPEDANCE:
  • Passive/Active Input: 800kOhms
  • Active Input: 60kOhms
  • Effects Return: 27kOhms
  • OUTPUT IMPEDANCE:
  • Effects Send: 100 Ohms
  • Tuner Send: 100 Ohms
  • XLR:1.5kOhms
  • Crossover High and Low Outs: 100 Ohms
  • SUGGESTED SPEAKER ENCLOSURES:
  • Megoliath
  • Goliath Senior
  • Big Bertha
  • Goliath III
  • SUGGESTED SPEAKER COMBINATIONS:
  • (2) Goliath IIIs
  • (2) Son Of Berthas
  • (1) Goliath III & (1) Son Of Bertha
  • (1) Goliath III & (1) Big Ben
Specifications
  • DIMENSIONS: 19" W x 3-9/20" H x 13-3/4" D
  • WEIGHT: 26 lbs.
  • POWER OUTPUT:
  • Bridge/Mono Mode 900 Watts @ 4 Ohms, 650 Watts @ 8 Ohms, 440 Watts @ 16 Ohms (minimum load = 4 Ohms)
  • Stereo Mode (per side): 400 watts @ 4 Ohms, 240 watts @ 8 Ohms, 144 watts @ 16 Ohms (minimum load = 2 Ohms)
  • DISTORTION:
  • Power Amplifiers (Effects Return Jack "in"): 0.03% THD
  • I.M. Distortion: 0.06%
  • System Distortion (Gain and Master Volume full, Enhancer at minimum
  • and Tone controls set flat): 0.4% THD
  • SIGNAL TO NOISE RATIO: -75dB (<8 millivolts typical)
  • EQUIVALENT INPUT NOISE: 8.9 microvolts
  • INPUT IMPEDANCE:
  • Passive/Active Input: 800kOhms
  • Active Input: 60kOhms
  • Effects Return: 27K Ohms
  • OUTPUT IMPEDANCE
  • Effects Send: 100 Ohms
  • Tuner Send: 100 Ohms
  • XLR:1.5kOhms
  • Crossover High and Low Outs: 100 Ohms
  • SUGGESTED SPEAKER ENCLOSURES
  • Megoliath
  • Goliath Senior
  • Big Bertha
  • Goliath III
  • SUGGESTED SPEAKER COMBINATIONS
  • (2) Goliath IIIs
  • (2) Son Of Berthas
  • (1) Goliath III & (1) Son Of Bertha
  • (1) Goliath III & (1) Big Ben
  • Customer Reviews
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