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Dirty-South Blues Harp forum: wail on! > Help - Boss RT20 Rotary pedal (tips)
Help - Boss RT20 Rotary pedal (tips)
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hvyj
2736 posts
Aug 14, 2015
7:24 PM
I've seen keyboard players use this unit, but I have no personal . experience with one. I can pass along a couple of general suggestions, though. Don't use the overdrive. Also, where you set the fast speed control makes a big difference. Fool with it until you find the speed that gives you the most authentic sounding timbre.
Mensh
24 posts
Aug 15, 2015
2:31 PM
Thank you -
I cobbled these tips together...

Mode #1

Rise Time - Max  (So when you change speeds it instantly changes to your fast setting.  You may like a slower ramp though)

Effect - 10 O'clock.  If you turn this clockwise it will blend more of the effected signal in and also increase your level.  I do not desire a volume boost so I like it unity volume (9-10 o'clock)

Direct-noon

Balance-noon.  I like it in the middle for a transparent sound.  Not too warm/bassy and not to shrill.  You may need to tweak this depending on your guitars/amps.  Think of this as the EQ or tone knob.

Overdrive-0.  I do not want any added distortion/volume boost so this remains off.  You may dig the extra boost it gives for a solo so feel free to tweak this.

Slow/Fast knobs-noon.  These seem to be the most usable and musical.  Again tweak for taste.

Oh I almost forgot, I like to run mine in the effects loop but try it both ways.  This pedal also sounds KILLER in stereo!

_____

Rotary sims single amp setup:
If you’re using rotary sims I strongly recommend that it has a master effect volume control or a dry/wet mix. Otherwise the effect will be too dominating. More so than a chorus and flanger I recommend that a rotary sim is placed at the very end of the chain after the delays… unless you want to use to replicate a more conventional Leslie tone. Units like the Boss RT20 also allow a stereo setup but keep in mind that if you decide to split the signal in two setups you need to split it before the rotary unit to maintain the “clean” tone from your amp and mix it with a “wet” tone from the second amp.

Split signal setup without rotating speaker cabinet:
An even more authentic setup would be to split the signal between two amps and use a chorus, flanger or rotary sim between the split signal and one of the amps. This is easily done with a Y splitter box. Keep in mind that you need to either set the “wet” amp with a lower volume or use a chorus, flanger or rotary sim unit with a master effect level control to be able to mix the “wet” effect lower than the “dry” amp. This doesn’t mean that you need two Hiwatt stacks though. The “wet” amp can very well just be a 10-15w combo like the excellent Laney Cub that’s placed next to your main amp. This will be just enough to get that slight stereo spread and natural acoustics.

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