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Electro-Harmonix XO Micro POG Polyphonic Octave Generator Guitar Effec...

Make your 6-string ring like a 12. Make your 4-string bass pump like an 8. Convert your guitar into a tight, convincing bass. Generate organ-like harmonic structures. Fast, glitch free polyphonic tracking.Fast trackingGlitch freePolyphonySub octaveS...

Price: $200 to $226 at 4 stores
Searched Electro-Harmonix XO Micro POG Polyphonic Octave Geator Guitar Effects Pedal in Reviews


Not the easiest effect to use featured

Ease Of Use The stomp box appears to be quite straight forward. On/off footswitch and three knobs: "Dry", "Sub Octave" and "Octave Up".
DRY Knob - Controls the output volume of the DRY signal. The DRY signal is the signal present at the INPUT jack. As this knob is turned clockwise, the volume of the DRY signal will increase.

SUB OCTAVE Knob - Controls the output volume of the SUB OCTAVE signal. The SUB OCTAVE signal is one octave below the original input signal, half the frequency of the input signal. As this knob is rotated clockwise, the volume of the SUB OCTAVE signal will increase.

OCTAVE UP Knob - Controls the output volume of the OCTAVE UP signal. The UP OCTAVE signal is one octave above the original input signal or twice the frequency of the original input signal. The volume of the UP OCTAVE signal will increase as this knob is rotated clockwise.

Sound The sound comes through well when played clean. Overdrive or distortion activated earlier in the effect chain gives a very muddy sound. I mainly use the Micro POG with both octaves set at 75% with a volume pedal to get an organ sound for certain songs. It can also be used to get a twelve string effect when playing non-distorted. However this requires very fine tuning of the settings as you easily get an organ sound when setting the OCTAVE UP knob over 50%.
Another feature that comes in handy is the ability to make your guitar sound like a bass - which is very handy for home studios, writing bass lines etc. Turn down the OCTAVE UP knob, set the SUB OCTAVE to around 60-70% and you have a deep bass.

Reliability The stompbox is quite sturdy. I use it only for two, maybe three songs and it doesn't always justify the place on the pedal board. Electro harmonics states that only the adapter that comes with the stomp box should be used. I did try to power it through my T-Rex FuelTank and that didn't work well. So be prepared to have a separate power outlet available for the Micro POG if you decide to add it to your collection.

Customer Support Not used.

Liked about it - Clean polyphonic tone, both single tones and chords.
- Very good Sub Octave (bass) sound
- Good for 12-string and organ effects

Didn't like - Takes patience to set it up right
- The Octave Up sound is sub standard to the Sub Octave
- Requires you to use only the original power adapter.

Overall satisfaction:

By hp29
Aug 26, 2010
Last updated: September 05, 2010
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Not the cheapest pedal but it gets the job done nicely featured

Ease Of Use The Micro Polyphonic Octave Generator is a stompbox and a dead simple one at that. 9V battery or standard mains adaptor supply the power. My UK model came with a mains adaptor but there are no special power requirements so you don't have to use the adaptor EHX supply.

Signal connections are standard mono 1/4" jacks as you would expect. A separate Dry Out gives you an uneffected signal to play with if you need it. Effect Out with nothing connected to the Dry Out jack gives you your original signal along with the effected signal.

The Micro POG adds two harmonies to your dry sound; one an octave up and one an octave down. With 3 knobs to play with, you won't need to reach for the manual in a hurry. [Dry] sets the amount of your original signal in the output mix (0-100%, so you can dial out the original signal completely if required) while [Sub Octave] and [Octave Up] set the levels of the harmonies. That's it. Stomp on it, set your levels and play.

Sound EHX advertise this box as having perfect polyphonic tracking. They're right. Single notes or chords, natural and pinch harmonics, string bends, unison bends, you can't catch the MPOG out. It doesn't glitch or warble, it just gives you rock solid octaves all the time. I hit it with a signal that had already been mangled through a wah, Whammy pedal and any number of distortion pedals and I couldn't trip it up.

So what does it sound like?

Give it a clean tone, roll back the [Dry] and [Octave Up] to 0 and stick the [Sub Octave] to full. Your guitar is now a very usable bass and it still responds perfectly to your playing. Stick the [Dry] back up, drop out the [Sub Octave] and bring up the [Octave Up] for a convincing 12-string jangle. Give it a dirty signal and mix in a little of both octaves and you get a great, pipe-organ sound.

Playing around further with the various combinations releases various other tones from rock history. "Slippery When Wet"-era Sambora? Check. Satriani on Super Collossal? Check (Joe uses both the Micro POG and its bigger brother on his live pedalboard). It's a great pedal to add some extra depth to certain parts or songs.

There was no obvious noise added by the pedal itself. As its job is to create copies of your original signal, it will obviously create copies of any noise in there as well.

Reliability The chassis is one of those die cast zinc boxes you can buy for small electronics projects. I'm sure you could destroy it if you really tried but it would probably withstand being run over by a car. Nice chunky footswitch, nice chunky knobs, dead simple construction. No backup required here.

Customer Support I can't comment on EHX customer support as I've never had to contact them. Their website has a customer forum as well as the standard contact details, so they seem to be interested in feedback from their customers.

Liked about it 1) It works just as advertised, with no tracking issues whatsoever.
2) It's dead simple.
3) It's built like a tank.

Didn't like 1) Like many FX pedals, it's ultimately limited in its applications. You wouldn't want to use it for every part of every song.
2) Given (1), it's pretty expensive for a limited-use pedal. It's up to you to decide whether you need one or not.
3) The trade-off against the tank-like construction is the space it takes up on your pedalboard. Micro or not, it's still a fairly big box compared to, say, a Boss compact pedal.

Overall satisfaction:

By MarkE
Dec 28, 2009
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