SBS Designs S3 Class AB Amplifier    


The SBS Designs S series Class AB & Variable supply amplifiers are a hand made high end design, designed to deliver the finest results to your loudspeaker system. When you are looking for the finest reproduction of sound with the purest power going to your monitors & loudspeaker system, High End Class AB & Variable supply amplifiers by SBS Designs are your only choice for the ultimate reproduction & fidelity.

The S3 Class AB amplifier is fantastic offering in a variety of applications!

Recording & Mastering Studios:
S3 can be used flawlessly on small to medium sized control room monitors in a recording studio or in a mastering studio where sonic detail and finesse are top priority on a mix down or for mastering a studio recording.

Live & Sound Reinforcement:
The S3 can also be used flawlessly with the ultimate output & sonic fidelity on Low mid-range drivers or Mid-High frequency Compression Drivers in a house sound system of a venue.

S3 can be used flawlessly on booth monitors in a Live PA or Nightclub sound reinforcement application for the ultimate play back monitor system, where sonic fidelity, wide frequency response and pin point accuracy is 1st Priority.



Recording Studios
Mastering Studios
Live PA
Nightclub Applications
Sound Reinforcement


275 watts @ 8 ohms per channel
500 watts @ 4 ohms per channel
Input Sensitivity 1.4
Slew rate 80 v/us
THD .03%
Damping Factor 200
Class AB output, featuring true complementary class AB drive sections.
3RU – Fan Cooled

Frequency Response

10 HZ to 75 KHZ


10 years