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Use the Electro-Harmonix POG Polyphonic Octave Generator to add one or 2 octaves up, and one octave down and blend all of them together with straight-through signal. Works on chords. Want your guitar to sound like a 12-string? The POG can do it or even make it sound like an 18-string. Fader controls for input, dry output, sub octave, one octave, one octave detune, 2 octaves, 2 octaves detune, and low-pass filter.
The octave effect was the main reason I bought the POG. I don't use it for guitar, I play harmonica through it! My rig consist of a ElecroVoice RE 8 or 10 mic, a inline compressor/volumn control into a Boss DM-2, Boss OC-2 with the octaves all the way off and the tone at about 3, a Boss DD-3 set at 800 ms., the POG, Hughes and Kettner MKI rotosphere into a 59 Bandmaster. I set the POG with the dry at 50%, the sub at about 80%, the 1 and 2 octaves at around 30% and the detuned octaves at about 25%. I set the LPF in the middle position. Depending on where I'm playing - outside, large room, small room, etc., I'll make slight adjustments to fit the space. Incredible sound! I'm a professional blues musician and have been playing the harp for over 40 years. This is the best sound I've ever gotten for amped harp. It sounds as if I'm playing a B3. The POG gives me hugh sounding notes and tracks perfectly. When I'm tongue blocking chords it really has a organ like vibe. The rotosphere and POG together sound like no harmonica you've ever heard. I can play the classic style harp of LW, Sonny Boy, etc., but I've chosen to take the harp into new territory and the POG is a big part of the sound I get now. When other harp players discover the POG, they are going to flip!!
GREAT SOUND!!!!!
The Electro-Harmonix POG has a number of sliding controls for input gain, output, sub-octave (one below source), +1 octave (one above source) +1 detuned, +2 octave and +2 octave detuned. There is also control for the low pass frequency and and LPF selection over what it actually controls. All up, the POG is easy to use in so far that it make a great sound whatever you do with it. It's less easy to use when aiming for a specific sound, but this is by virtue of the simply jaw-dropping array of sounds one finds getting there. Hours can be lost with this thing, and, with the sheer quality of the sound, that's A Very Good Thing.
The manual is well-written and offers good explanation for the controls, but it does take some musical knowledge to best understand its content. No bad thing.
The only slight disadvantage with the POG is repeating settings you've found. The sliders are only graduated with 25, 50 and 75% marks and can't be set that accurately. Again, no biggie when the sounds are so great. I'd rather the sliders than LCDs and menus!
Hells Bells, this POG is like the freakin' Holy Grail of guitar FX!!! let's see, where to begin? if you just push up nothing but the input fader, you've got a fuzzbox; if you just push up the sub-octave and fiddle with the lowpass, you've got a bass; if you bring in the dry signal with the first octave detuned, you've got a 12-string; if you put them all together, you get a really fat tone for lead-playing; and then if you just start movin' things around, you start finding realistic organ sounds comin' out the proverbial wazoo! i'm not one for church, but i'm all for churchy - and Jiminy Christmas, does this thing get CHURCHY! i'm talkin' anything from ringing cathedral tones, to intimate gospel settings (find 'em by bringing the lowpass down to a subtle hum), to grinding Hammond gain and lots of stuff in between.... i can't WAIT to try IT out with my Destination Rotation and the Pulsar....
so if this isn't enough yet, yes there's more, you can get a sweet steel drum tone, accordion, bagpipes (more or less), and lilting 2nd-octave tones by themselves approximating either a VERY melodically-tweeting bird or John Popper going nuts on the harp.... i'm still looking for the sitar tone which some other dude wrote was in there somewhere....
