This review for a DM-3, which splits the signal to an extra out (no effect) for processing of the signal in parallel. This was my first pedal. Useful for doubling staccato sounds and for echoes of natural noise like thunder, door slams, car crashes--any loud noise that quickly loses high frequency content as it rumbles on. Mind you, this can be set up on a digital delay coupled to a high-pass filter with an envelope generator; that can get complicated on smaller setups.

Good Points: Can be used as a micro-loop if set Intensity almost to feedback. The echo amount can be changed in real time, to give the effect of distance, like a primitive form of reverb. On the DM-3, the dry signal out can be processed by a phaser or distortion effect without it getting echoed, further adding to the "natural noise" echoing.

Bad Points: No longer in production. Hard to find. Its range of effects can be produced through other units (Line6 and others.) Still it is cheaper than a vintage Roland Space Echo.

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Alright I am not going to repeat (again) everything that has already been said... Rin this thing on a variable adapter, so you can run it at lets say 7.5... because when you get that battery running out sound IT ROCKS... it wont feed back forever, but as you max out all 3 knobs and fiddle with the rate knob you get some crazy occilations, small chirps, and echo's... Compleatly cool...

Good Points: Read review...

Bad Points: None...

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Like all analouge delays it overloads and feedback very easily - which is very useful. You can use it as a sound source. There isn't as much low-end clipping that you get on a lot of analoge delays too. Other than that it's not as useful as a digital delay, people seek this out for it's "warm tone" which isn't very important to us. But it self ossilates very well.

Good Points: Good to feedback and self ossilate.

Bad Points: Expensive and quite limited.

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I had one of these a few years ago, but I've never been particularly keen on analog delays so I ended up parting ways with it. It can be quite a handy device, especially when fed back into itself, just turn the intensity (feedback)and echo (mix of clean and delayed sound) knobs full clockwise and you have a noise source which goes from high pitched flanged tones to sick rumbling lows by simply rotating the repeat rate control. Unlike digital delays which will have a tendency towards producing a smooth uniform tone when fed into themselves (unless constantly tweaking the delay time - as w/ the DOD/Digitech pedals), you can max all the settings on the analog delay and it will continue to produce those sick rumbling tones w/ very little tweaking of the rate. Unfortunately these Boss pedals are extremely rare and expensive, expect to pay in 0 to 0 range. I just happened to get luck w/ the one I found.

Good Points: Great as a self-oscillating noise source, can get continuous rumbling lows w/ very little tweaking of the controls once set.

Bad Points: Scarce and expensive, rather limited use compared to digital delays.

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