Frequently asked questions

Beyond the usual marketplace caution (use buyer protection on Reverb/eBay, beware too-good-to-be-true deals and stolen units), test the things that are expensive to fix. Exercise every key and encoder for dead spots or crackle, check the screen for dead pixels, try the headphone and line jacks, and confirm it charges and holds a charge. Make sure it powers on, takes a firmware update, and isn't iCloud/account-locked or reported lost. New units come with a warranty, which is worth weighing against the second-hand saving.

Pick one master clock and split your gear into two sync worlds. The OP-1 field and the K.O. IIs speak MIDI clock, so run MIDI/USB from your master (the TX-6 works well as the hub) to those devices and set them to follow external clock. Pocket Operators don't do MIDI — they sync to an audio click on the left channel, so feed them a sync signal from a PO set to send sync, a dedicated sync box, or a MIDI-to-audio-sync converter, and chain the POs from there. Decide up front whether your MIDI master or your PO chain is the timing reference and derive the other from it, so everything starts from one tempo.

You can go straight in — no preamp needed. Use a TS (mono) cable from the guitar with a 1/4" (6.3mm) to 3.5mm adapter (or a dedicated guitar-to-3.5mm converter cable) into the OP-1 field's line input, then open the input page and pick the Amp input effect that arrived with the recent firmware. From there you can dial in gain and tone and record straight to tape. A passive guitar's level is a bit low, so push the input/amp gain to taste.

It comes down to samplers vs a synth. The EP-133 K.O. II and EP-40 Riddim are samplers — fantastic, affordable, and flexible, but they make synth sounds by you sampling or importing them rather than synthesising in the box. The OP-1 field has real synth engines built in, so if rich, tweakable synth tones are central to your sound it gets you there directly (at a much higher price). A common path is to start on a K.O. II to learn sampling and sequencing cheaply, then add an OP-1 field later if you find you want hands-on synthesis.

No — neither the OP-1 nor the OP-1 field has Bluetooth audio output. The only built-in wireless option is the original OP-1's FM radio transmitter, which is noisy and not really meant for clean listening. For good sound, use a wired connection from the headphone/line output, or on the OP-1 field send audio over USB-C to a computer or interface. If you specifically want Bluetooth, run the wired output into a small Bluetooth transmitter.

They solve different problems, so it's not redundant — but you rarely need both. A Decksaver is a fitted hard lid that clips over the keys and knobs to protect the top surface on a desk or loose in a bag; a case or sleeve protects the whole unit in transit. If you mostly carry it in a padded bag, a Decksaver plus that bag is plenty. If it gets thrown around, a proper hard case (the Analog Cases one is a popular OP-1 field pick) can replace the need for a separate Decksaver.

Connect the OP-1 to the iPad over USB (USB-C, plus a camera/USB adapter on older iPads) and put the OP-1 into disk/content mode — it mounts as a USB drive, and the iPad's Files app can browse it to copy tape bounces, recordings, and synth/drum presets off. Alternatively record the OP-1's audio out into an iOS app in real time. The OP-1 field exposes the same USB disk for transferring its content.

The OP-1 field doesn't work like a grid sequencer, so there's no MPC-style "quantize to 70%" on the tape. Tight timing comes from one of two places: play the drum part into one of the built-in sequencers (Finger, Pattern, Endless, Tombola, etc.), which lock notes to steps, or record to tape against the metronome and rely on your timing. Many people sketch the groove with a sequencer for tightness, then bounce it to tape. It's a feel-first workflow rather than a fix-it-after-the-fact one.

Most transfer headaches come down to file format, cable, or disk mode. Make sure samples are 44.1kHz (mono .aif is safest for drum slots), use a USB-C cable that actually carries data rather than a charge-only one, and put the device into its disk/content mode before dragging files. Stay within the per-kit slot and size limits, eject the device properly when you're done, and if a kit won't show up, try a different cable or port before reformatting anything.

Yes. Connect the minilogue's MIDI OUT to the OP-1 field's MIDI IN (over USB-C with a class-compliant connection, or via a DIN-to-USB host adapter), set both to the same MIDI channel, and make sure the field is set to receive external MIDI notes. The minilogue's keys then play whichever engine is active on the field. If nothing sounds, check the channel match and that MIDI input is enabled in the field's settings.

Not as a built-in feature — the dedicated multisampler is an OP-XY thing — but you can fake it. Record several different sounds (up to ~20 seconds each) across the four tape tracks, loop them, and use the multi/copy trick to spread them into a playable instrument. The OP-1 field and OP-XY are believed to share the same hardware (around 24 voices), so the limitation is the field's software playing one instrument at a time rather than the chips — hence the tape workaround rather than a true multisample patch.

Not directly — the OP-1 and OP-1 field apply their effect to the whole mix rather than to a single tape track, so turning on a delay or reverb colours everything at once. The common workaround is to record the part you want affected through the input (or bounce it) with the effect on, then switch the effect off so it doesn't touch the other tracks. It's an extra step, but it gives you per-part effects on a machine that's built around a shared master effect.

Go to the tape, hold Shift + Record, then press Play — the count-in starts before recording. It arrived in firmware 1.6.0, so if nothing happens, update to the latest version (a few people only got it working after updating past 1.6.0) and try again. It's a modifier combo rather than a menu setting, which is why it's easy to miss.

There are three common paths. The most flexible is to record the four tape tracks into a DAW — either as one stereo bounce or, if you want stems, track-by-track — and do the final mix, arrangement, and mastering there. Some prefer to stay in-device, using the mixer and master effects and exporting the finished mix. Others merge down to a single track to free up tape while keeping the original layers parked elsewhere on the tape. Pick the DAW route if you want to polish and add parts; stay in-device if the point is to keep the whole thing on the OP-1.

On the OP-1 field, connect over USB-C and it shows up as a class-compliant audio and MIDI device, so you can record its output straight into an iOS DAW or mixer (AUM, Drambo, GarageBand, Logic for iPad) and use the iPad for effects, mixing, and arrangement while playing the OP-1 hands-on. The original OP-1 has no USB audio, so there it's more about MIDI sync and using the iPad for ideas/notation or as a player for backing parts. Either way the iPad is a great companion for finishing what you sketch on the device.

The OP-1 doesn't have built-in microtonal or alternate-tuning scales, so the practical route is multisampling. Build a sampler/drum patch where you place notes tuned to your microtonal intervals across the keys — sample each pitch at the tuning you want, or import a multisample set pre-tuned to your scale — so the keyboard then plays those intervals. It's more setup than a synth with a tuning table, but it lets you perform non-12-TET scales on the device.

Historically the original OP-1 has been finicky to clock with other gear over USB MIDI — it works, but a lot of the long-standing "can't get it to sync" threads come from quirks in how it sends/receives clock. The OP-1 field improved this with more capable USB MIDI. In practice: connect over USB MIDI, set the OP-1 to send or follow clock as needed, and if you're chaining several devices, a USB MIDI host or hub gives you the most reliable results. Expect a bit of trial and error, especially with the original.

That audible "CPU noise" on the external input is associated with the very first original OP-1 (the 2011 mark-1). It was common-enough knowledge a decade ago, and it's why some long-time owners avoided recording external audio on those early units. Later OP-1 revisions and the OP-1 field don't have this issue — owners consistently report clean recordings, and the OP-1 field's mic and input are well-regarded. So if you're hearing it, you likely have an early unit; on a modern OP-1 or the field you shouldn't.

Record the part to a tape track, then use the tape's reverse playback on that section and resample it onto a second track — now the forward and reversed versions sit on separate tracks and play together. You can also reverse the audio in the sampler and re-record it to tape. The trick is committing the reversed pass to its own track via resampling rather than expecting per-track reverse on playback.

No — the OP-1 (and OP-1 field) tape is four tracks by design, with no setting to add more. The usual ways around it: bounce/consolidate by recording two finished parts together onto one track to free the others, play the synth and drum engines live over the tape instead of committing them, or back the tape up and finish the arrangement in a DAW. The OP-1 field keeps the same four-track tape but adds a proper mixer; it does not raise the track count.

A screen that sits very slightly off-center is common on these devices and falls within normal manufacturing tolerance — it's purely cosmetic and doesn't affect the display or how the unit works. Unless it's dramatically misaligned, has dead pixels, or the glass is lifting, it isn't usually worth the hassle of a return. If it genuinely bothers you on a brand-new unit, that's a reasonable thing to raise with the retailer, but don't expect a "perfectly" centered panel.

Not as engines — the OP-1 field and OP-XY use different synth architectures, so you can't copy a field patch over and have it run on the XY. To use those sounds on the OP-XY you sample them: play the chord or note you want on the OP-1 field and record it into the OP-XY (multisample across the keyboard if you want it playable in tune), or connect the two over MIDI so the OP-XY sequences the OP-1 field as an external voice live. Sampling captures the exact sound; MIDI keeps the field as a playable instrument in your XY set.