Sample Drum

Erica Synths 14HP
fw 1.9
SAMPLER DRUM EFFECTS

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Dual-channel sample player and live recorder. 16-bit/48kHz WAV playback from microSD (32MB RAM), 12-bit capture via CV3/REC on ch2. 1V/oct C0-C8, manual+auto slicing, AD envelope, virtual VCA, per-channel FX (HPF/LPF/delay/reverb/bitcrush/drive), 3 assignable CVs per channel.

Patch Ideas · 8

★ Dual one-shot drum voice
Clock sequencer triggers the two channels independently for a stereo drum pair.
Walkthrough
  1. Load a kick on channel 1 and a snare/clap on channel 2 (rotate Encoder A / D over a sample list).
  2. Set Ch1 Play Mode = Trigger, Ch2 Play Mode = Trigger (one-shots, ignore gate length).
  3. Set Attack ~0 and Decay to taste on both channels (envelope page).
  4. Patch trigger sequencer track 1 -> TRIG 1, track 2 -> TRIG 2.
  5. Patch OUT 1 -> mixer L, OUT 2 -> mixer R.
Signal out OUT 1 / OUT 2 - two independent mono drum hits at ~10Vptp.
Listen for A clean two-voice drum kit firing in tight time. Tweak Decay for shorter/longer tails; swap samples on Encoder A/D for instant kit changes.
▸ Show diagram
Patch diagramPatch diagram with 3 modules and 4 connections. Modules: SAMPLE DRUM, Seq, Mixer. Signals: 2 audio, 2 trigger.SAMPLE DRUMSeqMixerCh1 Mode: TriggerCh2 Mode: TriggerTRIG 1trigTRIG 2trigOUT 1audioOUT 2audioTrk1trigTrk2trigLaudioRaudioaudiotrigger
★ Melodic chromatic sample (1V/oct)
Quantizer drives Tune for chromatic melodies; sequencer fires hits.
Walkthrough
  1. Load a tonal one-shot (mallet, vocal vowel, plucked string) on channel 1.
  2. Open the CV menu on ch1 and assign CV3 -> Tune. Hold TRG2/SHIFT + Encoder C and set the scale to 1V/oct (5 octaves cover C0-C8).
  3. Set Ch1 Play Mode = Trigger, short Attack, medium Decay.
  4. Patch quantizer CV out -> CV3 (ch1).
  5. Patch sequencer gate -> TRIG 1.
  6. Patch OUT 1 -> VCF or mixer.
Signal out OUT 1 - the loaded sample retriggered chromatically across the quantizer's range.
Listen for A monophonic melodic sample voice. Higher notes shorten the sample (no time-stretch), so very high pitches become percussive blips - keep notes within ~3 octaves of the original pitch for natural results.
▸ Show diagram
Patch diagramPatch diagram with 4 modules and 3 connections. Modules: SAMPLE DRUM, Quant, Seq, VCF. Signals: 1 audio, 1 pitch, 1 gate.SAMPLE DRUMQuantSeqVCFCh1 Mode: TriggerCh1 CV3: Tune (1V/oct)CV3 ch11v/octTRIG 1gateOUT 1audioCV1v/octGategateInaudioaudiopitchgate
★ Loop with moving start point
Long sample looped while an external LFO walks the start point for shifting textures.
Walkthrough
  1. Load a long sample (pad, field recording, drone) on channel 1.
  2. Set Ch1 Play Mode = Loop.
  3. Open the CV menu on ch1 and assign CV1 -> Start. Hold TRG2/SHIFT + Encoder A and set a moderate scale.
  4. Patch a slow LFO (e.g. 0.05Hz triangle) -> CV1 (ch1).
  5. Patch a sustained gate -> TRIG 1 (HIGH = loop running).
  6. Patch OUT 1 -> reverb -> mixer.
Signal out OUT 1 - the same loop running continuously, but its start point drifts with the LFO.
Listen for A morphing texture - the sample loops at its full length, but each pass enters at a different point so the timbre slowly shifts. Add a second LFO into CV2 (assigned to End) for two-axis movement.
▸ Show diagram
Patch diagramPatch diagram with 4 modules and 3 connections. Modules: SAMPLE DRUM, Gate, LFO1, Reverb. Signals: 1 audio, 1 cv, 1 gate.SAMPLE DRUMGateLFO1ReverbCh1 Mode: LoopCh1 CV1: StartTRIG 1gateCV1 ch1cvOUT 1audioHigateOutcvInaudioaudiocvgate
Reverse hit with envelope-controlled tail
Reverse playback with an external envelope shortening/lengthening the Decay per hit.
Walkthrough
  1. Load a cymbal or vocal sample on channel 1.
  2. Set Ch1 Play Mode = Reverse.
  3. Open the CV menu on ch1 and assign CV1 -> Decay. Hold TRG2/SHIFT + Encoder A to set the depth.
  4. Patch the same trigger to TRIG 1 AND to an external envelope generator's Trig.
  5. Patch the external envelope's CV out -> CV1 (ch1).
  6. Patch OUT 1 -> mixer.
Signal out OUT 1 - the sample played backwards with a per-hit dynamic decay.
Listen for Reverse-cymbal swells whose tail length follows the envelope. Lengthen the envelope's decay for slow swells; shorten it for tight reverse blips. Sample Drum has no internal LFO/EG, so this requires an external envelope.
▸ Show diagram
Patch diagramPatch diagram with 4 modules and 4 connections. Modules: SAMPLE DRUM, Trig, Env, Mixer. Signals: 1 audio, 1 cv, 2 trigger.SAMPLE DRUMTrigEnvMixerCh1 Mode: ReverseCh1 CV1: DecayTRIG 1trigCV1 ch1cvOUT 1audioOuttrigTrigtrigOutcvInaudioaudiocvtrigger
Live loop sliced and rearranged
Record a 1-bar loop into the module, auto-slice it, then random-CV step through the slices.
Walkthrough
  1. Patch a drum loop or beat into CV3/REC (ch2). Set the input range: 10V for modular, 1.2V for line.
  2. Hold TRG2/SHIFT and enter the RECORD menu. Press PLAY to capture one bar, press PLAY again to stop.
  3. Open the slice menu and run Auto-Slice (zero-crossing) - the loop is chopped into slices.
  4. Assign CV1 (ch1) -> Slice Select (firmware 1.6+). Set scale to 1V/oct or to the number of slices.
  5. Patch a random/stepped CV (e.g. Turing Machine) -> CV1 (ch1).
  6. Patch your master clock -> TRIG 1.
  7. Patch OUT 1 -> mixer.
Signal out OUT 1 - one slice fired per clock pulse, slice index chosen by the random CV.
Listen for A glitched, rearranged version of your original loop. Quantize the random CV for tonal slicing; freeze it for repeating slice loops.
▸ Show diagram
Patch diagramPatch diagram with 5 modules and 4 connections. Modules: SAMPLE DRUM, Source, Clock, Random, Mixer. Signals: 2 audio, 1 cv, 1 clock.SAMPLE DRUMSourceClockRandomMixerCh1 Mode: TriggerCh1 CV1: Slice Select (1V/oct)CV3/REC ch2audioTRIG 1clkCV1 ch1cvOUT 1audioAudioaudioOutclkCVcvInaudioaudiocvclock
Stereo dual-sample pair
Same trigger fires both channels with different samples for a hard-stereo composite hit.
Walkthrough
  1. Load complementary samples on each channel (e.g. transient on ch1, body on ch2).
  2. Set both Play Modes = Trigger.
  3. Use Encoder B / E to set Start a few ms apart for thickness.
  4. Mult one trigger to TRIG 1 AND TRIG 2.
  5. Patch OUT 1 -> mixer L, OUT 2 -> mixer R.
Signal out OUT 1 (L) + OUT 2 (R) - hard-panned stereo composite sample, ~10Vptp each.
Listen for A wider, layered drum or vocal hit. Detune one channel slightly with SHIFT + Encoder B (Tune offset) for chorus-like width.
▸ Show diagram
Patch diagramPatch diagram with 3 modules and 4 connections. Modules: SAMPLE DRUM, Trig, Mixer. Signals: 2 audio, 2 trigger.SAMPLE DRUMTrigMixerCh1 Mode: TriggerCh2 Mode: TriggerTRIG 1trigTRIG 2trigOUT 1audioOUT 2audioOuttrigLaudioRaudioaudiotrigger
CV-swept sample bank
A stepped CV walks through a folder of samples for ever-changing one-shots.
Walkthrough
  1. Load a folder of samples from SD onto channel 1 (rotate Encoder A through the list to confirm they're loaded in RAM).
  2. Set Ch1 Play Mode = Trigger.
  3. Assign CV1 (ch1) -> Sample Select. Hold TRG2/SHIFT + Encoder A and set the scale so the full CV range covers all loaded samples.
  4. Patch a stepped CV (sequencer or Turing Machine) -> CV1 (ch1).
  5. Patch the same step's gate -> TRIG 1.
  6. Patch OUT 1 -> mixer.
Signal out OUT 1 - a different sample fired per step.
Listen for Each step plays a new sample from your folder. Great for evolving percussion lines. From firmware 1.6 the sample-select CV tracks 1V/oct, so a quantized melody can also pick samples chromatically.
▸ Show diagram
Patch diagramPatch diagram with 3 modules and 3 connections. Modules: SAMPLE DRUM, Seq, Mixer. Signals: 1 audio, 1 cv, 1 gate.SAMPLE DRUMSeqMixerCh1 Mode: TriggerCh1 CV1: Sample SelectCV1 ch1cvTRIG 1gateOUT 1audioCVcvGategateInaudioaudiocvgate
Bitcrushed drum bus
Use the per-channel realtime FX (bitcrusher + drive) to lo-fi a drum hit and modulate the FX amount with CV.
Walkthrough
  1. Load a drum sample on channel 1, Play Mode = Trigger.
  2. On the FX page select Bitcrusher (or Drive). Set a moderate amount with Encoder C.
  3. Open the CV menu and assign CV2 (ch1) -> FX. Hold TRG2/SHIFT + Encoder B to set the depth.
  4. Patch a slow LFO or envelope follower -> CV2 (ch1).
  5. Patch your trigger -> TRIG 1.
  6. Patch OUT 1 -> mixer.
Signal out OUT 1 - the drum hit with bitcrushed/driven character that breathes with the modulation CV.
Listen for A drum that's clean on quiet hits and crunchy on loud ones (with an envelope follower), or an FX amount that drifts with an LFO. Switch between LPF/HPF/Delay/Reverb on the FX page for radically different colours from the same sample.
▸ Show diagram
Patch diagramPatch diagram with 4 modules and 3 connections. Modules: SAMPLE DRUM, Trig, LFO, Mixer. Signals: 1 audio, 1 cv, 1 trigger.SAMPLE DRUMTrigLFOMixerCh1 Mode: TriggerCh1 FX: BitcrusherCh1 CV2: FXTRIG 1trigCV2 ch1cvOUT 1audioOuttrigOutcvInaudioaudiocvtrigger

Behaviors

Play modes menu page per channel

Each channel selects a play mode: Trigger (one-shot, ignores gate length), Gate (plays while gate HIGH), Loop (plays continuously while gate HIGH), Reverse (one-shot backwards) and other firmware-added modes. Mode is per channel and CV-assignable.

1V/oct pitch tracking CV input assigned to Tune

Assign any CV input to Tune for chromatic playback across C0-C8. Higher pitches shorten the sample (no time-stretch); the module becomes a melodic sample voice.

AD envelope + virtual VCA internal per channel

Each channel has an Attack-Decay envelope feeding a virtual VCA. Attack and Decay are edited on a dedicated page and can be CV-assigned for per-hit dynamics.

Realtime FX bay FX page per channel

Per-channel realtime effect chosen from HPF, LPF, delay, reverb, bitcrusher and drive. One effect active at a time; parameter and mix are CV-assignable.

Sample recording (CV3/REC ch2) SHIFT + record menu

Records audio patched to the CV3/REC jack on channel 2 to RAM at 48kHz/12-bit. Set 10V range for modular signals, 1.2V for line level. Captured material is immediately playable on either channel and can be saved to SD.

Manual + automatic slicing slice menu

Slices can be placed automatically (linear or zero-crossing detection across the sample) or by hand (TRG2/SHIFT + Encoder F drops a marker at the playhead). Cue points stored in WAV files load as slices. From firmware 1.6 a CV assigned to Slice Select chooses slices via 1V/oct.

CV input assignment & scale CV menu per channel

Each of the three CV inputs per channel routes to one parameter (Tune, Sample Select, Slice Select, Start, End, Loop, Attack, Decay, Level, Play Mode, FX). Per-input scale/depth is set by holding TRG2/SHIFT and turning Encoder A/B/C while watching the on-screen scope.

Preset save/load SHIFT + menu

Save complete module state (sample assignments, CV routings, FX, envelopes) as a preset on the SD card and recall it during performance for instant kit changes.

No internal modulation design choice

Sample Drum has no internal LFO, S&H or envelope generator beyond the AD per channel. All modulation (slow morphs, sample-select randomness etc.) must come from external modules patched into the CV inputs.

Controls

channel 1 Encoder A / DATA Main data encoder for channel 1. Selects samples, edits values and confirms menu entries with click.
Click = enter/confirm · long press = sub-menu · primary navigator on ch1 page
channel 1 Encoder B Channel-1 parameter encoder. Page-dependent: Start, Loop Start, Attack, FX value, slice point etc.
Hold TRG2/SHIFT + B = secondary edit (e.g. CV scale)
channel 1 Encoder C Channel-1 parameter encoder. Page-dependent: End, Loop End, Decay, FX mix etc.
Hold TRG2/SHIFT + C for fine/secondary edit on many pages
channel 2 Encoder D / BACK Channel-2 data encoder. Click returns to the previous menu page from any sub-menu.
Click = back · long press = sub-menu · primary navigator on ch2 page
channel 2 Encoder E Channel-2 parameter encoder, mirrors B on channel 1.
Page-dependent
channel 2 Encoder F Channel-2 parameter encoder, mirrors C on channel 1. In manual slicing mode, places slice markers when held with TRG2/SHIFT.
Page-dependent · slice-place in manual slice mode
global PLAY Manually triggers sample playback (auditioning) and is also used to start/stop recording in the record menu.
Audition without patching a trigger · arms/starts capture in REC mode
channel 1 TRG1 Channel-1 manual trigger button. Doubles as channel-1 select in global menus and mirrors the TRIG 1 input.
Hold for menu shortcuts on some pages
channel 2 / global TRG2 / SHIFT Channel-2 manual trigger button AND the global SHIFT key. Held with encoders or other buttons it unlocks deeper menu pages, CV scale setting and manual slice placement.
Mirrors TRIG 2 input · Hold + A/B/C = set CV scale on those CV inputs · Hold + F (in slice menu) = drop slice marker

I/O

IN · 8

  • TRIG 1 +5V trigger/gate GATE
    Trigger/gate input for channel 1. Behaviour follows the channel-1 play mode (one-shot trigger, gated, looped, reversed etc.).
  • TRIG 2 +5V trigger/gate GATE
    Trigger/gate input for channel 2.
  • CV1 (ch 1) -5V to +5V (configurable scale per input) CV
    Assignable CV input for channel 1. Routable to Tune (1V/oct), Sample Select, Slice Select, Start, End, Loop, Attack, Decay, Level, Play Mode or FX with per-input scale set by SHIFT + Encoder A.
  • CV2 (ch 1) -5V to +5V (configurable) CV
    Second assignable CV input for channel 1. Same parameter routing menu and per-input scale.
  • CV3 (ch 1) -5V to +5V (configurable) CV
    Third assignable CV input for channel 1. Commonly used for 1V/oct pitch when assigned to Tune.
  • CV1 (ch 2) -5V to +5V (configurable) CV
    Assignable CV input for channel 2 with the same parameter menu as channel 1.
  • CV2 (ch 2) -5V to +5V (configurable) CV
    Second assignable CV input for channel 2.
  • CV3 / REC (ch 2) audio in (1.2V or 10Vptp range) · or assignable CV -5V to +5V CV
    Dual-purpose. As a CV input it works like the other CVs on channel 2. In RECORD mode this jack accepts the audio signal to be sampled — set 10V range for modular signals or 1.2V for line level. Recording is 12-bit at 48kHz to RAM, then saved to the SD card.

OUT · 2

  • OUT 1 10Vptp ENV
    Mono audio output for channel 1, post AD-envelope, virtual VCA and realtime FX.
  • OUT 2 10Vptp ENV
    Mono audio output for channel 2, post AD-envelope, virtual VCA and realtime FX.