Electro-Harmonix XO Q-Tron Plus Envelope Filter Guitar Effects Pedal
Wah & Filter Effects Pedals
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Designed by Mike Beigel, inventor of the legendary Mu-Tron III envelope filter.
Electro-Harmonix' Q-Tron+ Envelope Filter pedal is the classic envelope follower with effects loop. Place your favorite effects between the preamp and filter section without changing the envelope drive. Be creative with the effects you plug into the FX loop and invent totally new sounds. Ratify your Mojo!
- Controls: Mode, Response, Range, Peak, Gain, Boost.
- Sweep Switch.
- 1/4" input and output, 1/4" effect loop
- DC power input for battery replacement.
- LED indicates whether effect is engaged or bypassed.
- Second LED indicates signal overload.
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XO Q-Tron Plus Envelope Filter Guitar Effects Pedal Specifications:
- Drive (Up/Down)
- selects direction of filter sweep : upwards or downwards.
- Normal mode allows setting the Gain control without changing the output volume.
- Peak (Q on the Mini Q-Tron)
- Determines frequency peak of filter. Makes more "effected sound" when turned up more.
- Functions as both a volume control and a filter sensitivity control in boost mode. In normal mode it acts only as a filter sensitivity control, unlike the Mutron-III which also changes the unit's output volume.
- Range (Hi/Lo)
- Emphasizes vowel like sounds in low position, overtones in high position.
- Mode (LP/BP/HP/Mix)
- Select the filter used by the effect: Lowpass, Bandpass, Highpass or a mix of Bandpass with dry unprocessed sound.
- Response (Slow/Fast)
- Selects either a slow, smooth, vowel-like attack or the fast, snappy response of the original Q-Tron.
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Comments about Electro-Harmonix XO Q-Tron Plus Envelope Filter Guitar Effects Pedal:
This pedal has tons of features and has a number of good sounds available. I use it for bass and some of the modes lose a lot of low end, so I just don't use those modes. Watch out for volume spikes, though. I recommend a compressor or limiter after this in the chain, as it can get pretty wild. It also requires its own 24V power supply (included), which is kind of a pain when most pedals take 9V.