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SWR SM900 Amp - £325 -**Price Drop**

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Posted (edited)

Part of my Retirement Sale - Please see other items

If you are looking at this then you probably know exactly what it is and what it is capable of. If you have any questions re power, dimensions, weight etc then please give me a call.

SWR SM900 Amp see details below

Here's more details from SWR; 

The SM-900 is truly the “State of SWR’s Art” in bass amplification electronics. The SM-900 is only 
slightly deeper and heavier than the SM-500, yet delivers twice the power and includes new fea- 
tures such as our very flexible tone section. Along with shelving-type Bass and Treble controls, the 
equalization section consists of two independent 3-band semi-parametric EQs. This provides the 
user with two analog presets via a silent footswitch, or three presets (EQ 1, EQ 2, or EQ 1+2) 
using the manual slide switch located on the front panel. You can now go from a solid groove 
sound to soloing with just the tap of your foot. Several suggested EQ settings are included in the 
tone section of this manual. 

The SM-900 also boasts a studio-oriented “side chain” effects loop allowing the user the diversity 
of an effects unit while maintaining the constant clarity and natural tone of the instrument. SWR’s 
exclusive “To Tuner” jack is also on a side chain. Remember when you had to unplug your bass 
from your amp and hook into your tuner and frantically tune up between songs? Or patch the tuner between your instrument and amp, thus degrading sound quality? Those times are history. 
Add to the above both stereo and mono effects loops, stereo/mono operation of the power amps, 
biamp capabilities, up to 900 watts RMS of power, an extremely quiet preamp, a “non-pumping” 
limiter, complete recording ability, and SWR’s proven reliability and sound quality, and you have what we feel is the best bass amplifier made anywhere in the world. 
Every Professional Series product from SWR Sound Corporation is manufactured and hand-built in 
Sun Valley, California, USA. 


Note: All measurements were taken with a line voltage of 120VAC. All noise specifications are 
“unweighted.” All voltages and watts are “RMS.” 

POWER (minimum): 
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) 
FREQUENCY RESPONSE (power amplifiers): –3dB @ 20 Hz and 40kHz 
SENSITIVITY (full output, 8 ohm load, 100 Hz): 
Passive Input Jack: 50 millivolts 
Active Input Jack: 200 millivolts 
Power Amplifier (Effects Return Jack “in”): 1.6 volts 
Passive/Active Input: 800kohms 
Active Input: 60kohms 
Effects Return: 27kohms 
Effects Send: 100 ohms 
Tuner Send: 100 ohms 
XLR Balanced Out: 750 ohms 
Crossover High and Low Outs: 100 ohms 
SIGNAL TO NOISE RATIO: –75 dB (< 8 millivolts typical) 
DISTORTION: Power Amplifiers (Effects Return jack “in”): 0.03% THD I.M. Distortion: 0.06 % 
System Distortion (gain & master volume full, Aural Enhancer at min., tone controls flat): 0.4 % 

Comes with foot switch, manual, brochure, cleaning cloth and registration card. Also included is the power converter. (Yellow brick style) 







Edited by Rickytwo
Traveler's removed as now sold
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This is an amazing deal, I still resent the fact that Fender bought one of the best amp builders SWR and killed them off. Someone should buy this, as it will deliver great tone in spades.

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An absolute classic, one of the finest bass amps in the history of, errm, bass amps. Certainly one of the best I ever had. And this is a proper bargain.


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These amps are classic! I believe it has the weight of a Morris Minor, eh...? ;) 
Is the effects chain fully stereo?

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