SWR SM900 Details
DESCRIPTION Top of the line, 900 watt, feature packed, powerhouse amplifier. Rack mountable with foot switchable EQ section. Can be run mono, stereo or bi-amped.
RELATED INFORMATION
Owner's manual
Suggested settings
Testimonials
FRONT PANEL FEATURES
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
Our 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
Rack mountable.
Bi Amp Crossover Point Control: 100 Hz to 1000 Hz
Crossover Slope: 12 dB per octave
Rack Handles
REAR PANEL FEATURES
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:
Two 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 FEATURES
(1) 12AX7 Preamp Tube
Cooling fan
FREQUENCY RESPONSE
(Power amplifier): -3dB @ 20Hz and 40KHz
DIMENSIONS
19" W x 3.45" H x 13.75" 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)
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
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: 800K Ohms
Active Input: 60K Ohms
Effects Return: 27K Ohms
OUTPUT IMPEDANCE
Effects Send: 100 Ohms
Tuner Send: 100 Ohms
XLR:1.5K Ohms
Crossover High and Low Outs: 100 Ohms
SWR SM900 BASS AMPLIFIER
