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User Review

iamqman's review - Boss CS-1 Compression Sustainer

This is the pedal that started the compression craze with Boss. Boss released this pedal in 1978 and continued to produce it up until 1982. This was a pedal that was build from the influence of the Roland AS-1. There you have a unique compression to which every other pedal after this one felt very different.

This pedal has three control knobs and switches. You have a control knob to change to overall level or volume of the pedal. next you have a mode switch and finally you had a sustain knob which controlled the overall sustain of the unit.



Controls: Level, Sustain, 2 Way Mode Switch
Connectors: Input, Output, AC Adaptor
Current Draw: 5 mA (DC 9V)
Recommended AC Adaptor: ACA Series


This pedal was a first for Boss but they got it right. sometimes the first introduction isn't that great and needs to iron out some of the bugs and errors within any piece of gear. Here they nailed it right off the bat. now the sustaining units they produce now are just flowed the path of modern technology. Which makes this obsolete is design but not in tone. The tone is still classic and fantastic.

This pedal is great with a nice delay and an Ibanez TS9 pedal. You really allow those delay repeats to jump out of your amp and into the mix very well with this compression pedal. These are just perfect for giving a little boost of clarity and volume and keeping things under control. It also allows you to get a better sustain from the tone of your amp and any effects that you have going on in your patches.


Like I said before these pedals were discontinued long ago. You can find them on the used market but I have no idea what the going rate for one of these can be. I would suggest picking up the Keeley compression pedal. Probably the most accurate and best compression pedal known in existence. This is a good pedal for tone but not for functionality anymore. Technology has now given us a boost in how these pedals operate.