Modulation (VCA Tremolo) · $227
The Shotmaker Instruments The Heartbeat is an analog vCA Tremolo pedal based on the VCA tremolo (derived from The Songstress amp preamp), with Master volume; 6-waveform selector (incl. random); tap tempo controls, made in Poland. Features tap tempo. From $227.
| Category | Modulation (VCA Tremolo) |
| Circuit / based on | VCA tremolo (derived from The Songstress amp preamp) |
| Signal | Analog |
| Controls | Master volume; 6-waveform selector (incl. random); tap tempo |
| Switches | 6 waveform selector (incl. random) |
| Bypass | true bypass |
| True bypass | Yes |
| Tap tempo | Yes |
| Power | 9V/18V |
| Power draw | 5 mA |
| Enclosure | CNC-machined hand-finished oak |
| Dimensions | 132mm x 153mm x 60mm |
| Weight | 600g |
| Country of manufacture | Poland |