Boss SD-1 SUPER OverDrive (Japan)
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Boss SD-1 SUPER OverDrive (Japan)

SD-1 SUPER OverDrive (Japan), Overdrive pedal from Boss.

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Audiofanzine FR 12/15/2008

Boss SD-1 SUPER OverDrive (Japan) : Audiofanzine FR's user review

5

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(Originally written by Marty62100/translated from Audiofanzine FR)
9-volt analog overdrive pedal.

Uses the legendary JRC4558 DD chip.

3 knobs:

Tone

Level

Drive.

--- IMPORTANT ---

My review describes the pedal after customization:

I added two switches: one for gain boost and another one providing two different sound colors.

UTILIZATION

Very easy to use.

Numerous possibilities when you use it as a booster.

SOUND QUALITY

AAaaah! The main thing:

It's exactly what I was looking for. The sound is clear, tight and effective. The overdrive is precise, powerful and clean. It's perfect for AC/DC covers and blues and rock tunes.

The mid frequency range is very responsive giving the sound big dynamics. And you can adjust the dynamic response using the volume knob.

Tone knob works effective and allows you to create very sharp and round tones. You can do lots of things with it.

Drive knob: produces sounds from clean to aggressive overdrive. No distortion, it's a big overdrive.

Volume knob: it allows you to adjust the output volume to the amp's sensitivity but also to create a fuller and more powerful sound. Higher settings produce a tone with less definition. The tone becomes... fuzzy. I would say the high frequency range has less resolution.

With a wah effect, this pedal is excellent. The sound character is strong and the sound is well-defined. The highs are not sharp.

As a booster, it makes a VERY, VERY good job!

UPDATE: I modified it adding two switches, one for a balanced or unbalanced overdrive, and another one to add more gain.

I used two small Monte Allmus kits. I also reduced the value of a condenser to produce more saturation.

The balance switch gives a new life to the pedal... It's incredible!

--- EDIT ---

It sounds better after the modifications I made. It has a higher output level compared to the original and the gain switch adds overtones. It's perfect for playing solos!! The sound is now sharper, in-your-face, and thicker. It's killer!

OVERALL OPINION

As a summary, this is a pedal with a strong sound character, and a well-defined and powerful tone.

The result is amazing.

From blues to rock and even hard rock.

Excellent pedal. I don't regret my purchase.