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Boss OC-5 Polyphonic Guitar/Bass Octave Pedal

Polyphonic Octave Guitar/Bass Pedal with Vintage/Poly Switch and Direct Level and Octave Controls
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Item ID: OC5
Boss OC-5 Polyphonic Guitar/Bass Octave Pedal
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Boss OC-5 Polyphonic Guitar/Bass Octave Pedal
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The Ultimate All-in-one Octave Pedal

Octave pedals of the past 10 years have presented guitar and bass players with a tough decision: Are you searching for that classic OC-2-style octave effect — the sound most of us guitar and bass players associate with the octave pedal — to add weight to your leads and walking lines? Or do you want modern tracking and polyphonic capabilities to help flesh out chords in a solo setting? Well, with the BOSS OC-5 Octave pedal, you don't have to choose. Whether it's thunderous mono sub-bass or strum-enriching root enhancement you're after, the OC-5 has you covered. It sports a tracking engine based on BOSS's top-tier effects floorboards. The result is one of the smoothest, lowest-latency octave effects you'll ever experience. In addition to the classic -1 and -2 octave controls, the OC-5 gives you a +1 octave dial for achieving faux 12-string textures and screaming classic lead lines. A dedicated instrument switch tailors the OC-5's tracking for either electric/acoustic guitar or bass, while a parallel Direct Out dry path preserves your input signal for running into a dedicated amp or PA. The OC-5 is the next evolution of the BOSS Octave sound.

Vintage mode: the classic BOSS octave effect

Ever since its 1982 debut, BOSS's OC-2 Octave effect has left an indelible mark on the guitar and bass market. The great news is that the BOSS OC-5 delivers the classic OC-2 mono sound in a big way and better than ever, thanks to its improved tracking engine. Dedicated controls for your dry tone and each of the two octaves down help achieve synth-like sub-bass and tight octave lead crawls without any fuss.

Poly mode: give your bassist the night off

The BOSS OC-5 picks up where the OC-3 left off, with a smart polyphonic sub tracker that's able to flesh out power chords, open chords, and barre chords with bass-like root notes. It's the last piece of the puzzle for the solo acoustic performer. The OC-5 gives you a Range knob to help restrict octaves to exactly where you want them.

Octave-up effect (either mode)

The +1 Oct control on your BOSS OC-5 Octave pedal unlocks 12-string textures and classic fuzz solo tones. Best of all, this control can be used with either Vintage or Polyphonic mode's -1 Oct and -2 Oct controls for a thick, impenetrable tone.

Flawless tracking

The BOSS OC-5 Octave pedal's tracking engine promises low latency, high expression, and zero dropped notes. And whether you're running it in mono or poly modes, this means better performance across the board, even for vintage octave enthusiasts.

Guitar/Bass switch

A dedicated switch on the side of your OC-5 lets you tailor this octaver's tracking response for guitar or bass. So for the price of one pedal, you're effectively getting two powerful octave effects that you can transplant onto any live pedal rig.

Isolated direct output

Whether you're running a wet/dry amp rig or want to send a clean bass signal to front of house, the BOSS OC-5 has you covered. Its Direct Out retains all the character of your dry instrument tone, which means endless possibilities onstage or in the studio.

Battery or wall powered

With a modest 55mA current draw, the BOSS OC-5 gives you around seven hours of run time off a single 9-volt battery. This makes it a great option for players who love the sound of alkaline or carbon-zinc. For modern pedalboards, a standard center-negative wall supply works just fine. Searching for the ultimate does-it-all guitar/bass octave pedal? Sweetwater recommends giving the BOSS OC-5 Octave a spin.

BOSS OC-5 Features:

  • The ultimate does-it-all octave pedal
  • Instrument switch optimizes the OC-5 for guitar or bass
  • Vintage setting is a spot-on re-creation of the classic BOSS OC-2 mono octaver
  • Poly setting adds bass notes to power chords and open chords, which can be reined in using the Range control
  • Octave-up control unlocks 12-string textures and classic rock screaming leads
  • Direct Out runs a parallel dry signal to a stage amp or front of house
  • Enhanced tracking engine produces ultra-low-latency note tracking
  • 55mA draw; can be powered by a 9V or standard pedal power supply
  • Quality buffered bypass adds reach to your cable runs

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Tech Specs

  • Pedal Type: Guitar/Bass Octave
  • Effects: Octave-up, Octave-down, Poly Chord Mode, Vintage Mode
  • Inputs: 1 x 1/4"
  • Outputs: 1 x 1/4" (main out), 1 x 1/4" (direct out)
  • Bypass Switching: Buffered
  • Power Source: 9V DC power supply required (sold separately)
  • Power Usage: 55mA
  • Batteries: 1 x 9V
  • Height: 2.32"
  • Width: 2.87"
  • Depth: 5.07"
  • Weight: 0.97 lbs.
  • Manufacturer Part Number: OC-5

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Reviews

Proof In Pudding - Check Out the Video
Check out the attached video to hear what this pedal can honestly do. In truth, I find it useful in poly mode only. In the video, I have split signals with the Direct Out to my Katana, and the "bass out" to my Dual Cube Bass LX (it's my cello amp !!!). It is really finicky and the signal is easily distorted, but with carefully setting EQ and levels, and use of compression, I got what you can hear. Maybe a pro sound dude could do better. Bottom line :: it works for me !!!
Music background: Geezer Rocker - guitar, vocals, cello
Boss OC5
It's peachy keen!
Music background: Started in middle school stage band and been playing continuously until Covid hit.
Yes it works...
Yes, it works, but not perfectly. I'm using it on three style guitars: Guild Dreadnaught, Ibanez solidbody with humbuckers, and Loar archtop with floating humbucker. The 'up octave' throws in some really odd overtones that go in and out in volume. That feature doesnt work well on anything, including my basses. The "octave down" feature works fine on the low strings of all guitars, but just adds mud to my bass. The latency for the 'down octave' isn't an issue on this new model pedal. Earlier ones were problematic.

The best results I've had are with my Guild dreadnaught and a Fishman Rare Earth pickup, which I turn at a slant to get just the EAD strings. I run that signal out to a bass amp. The piezo pickup remains clean and goes to a guitar amp. For this application, give it five stars. See my video.

My Ibanez inexpensive solid body works well on all strings, but the EAD strings sound best. I suppose you could use the pedal and this style of guitar to fake a bass tone. I've seen it done well by the Bartron Tyler band.

The pedal does not do well with my Loar mini floating humbucker. Possibly because of low pick up output.

In summary, try each setting separately. I found the best results came from having the 'split knob' almost off. The 'up octave' off. The 'down octave' at medium. The other knobs at low setting. Less is more with this pedal.
Music background: Weekend jazz player. 40 gigs a year
Exactly what I didn't know I needed
I've been playing for a year or so with a great singer/guitar player who has an impressive solo act where he sings, plays guitar, has a board with a pickup under his left foot that sounds like a bass drum when he taps it, and a harmonizer under his right foot so on choruses he can sing with himself. He has a great solo act, but asked me if I'd like to try playing with him, just for fun. I said I'd give it a try.

My plan was to play what he wasn't playing — a lot of bass on my guitar until he got to a place where he wanted me to play a solo, so then I soloed. This worked fine. He liked what I did, and I liked what he did. All was well.

Then I saw a guy playing with this Boss OC-5 pedal. He was playing rhythm and bass at the same time. IDEA! Hey, that would work great with what I had been doing. I ordered the pedal right away. Now when I play bass (I have the pedal set to pitch the low E and A strings and much of the D string down an octave) it sounds like.... a bass. More or less. And then the solos sound fine, like they always did. Now when he plays solo he really misses that bass...so much that he's bought an OC-5 himself.
Music background: keys, guitar, bass
I watched a bunch of videos before I bought this pedal so I felt like I knew what I was in for when I plugged it in the first time. This pedal put a smile on my face immediately and it didn't go away for quite some time!
The range knob (poly mode) is what makes this pedal shine to me, experiment with this setting, you won't regret it! Poly mode tracks very well and doesn't glitch at all. It pairs well with all of my fuzz pedals and even sounds great with phaser or chorus! If you're into that glitchy, bad tracking octave sound, just switch to classic mode and this bad boy will do that too!