Introduction

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'Pandora' is a bandpass filter/distortion processor, based on an unusual combination of power MOSFET transistors and vactrols. Voltage control is provided over the two sides of the filter, the gain, and the filter feedback. A wet/dry mixer is provided, also under voltage control.

A range switch is provided to drop the filter response several octaves, at which point the module becomes capable of synthesising percussion sounds when fed trigger pulses.

The module is 100% analogue.

Reviews

Sound On Sound magazine (June 2024 issue) said

It crackles with character and attitude … It certainly calls to mind synths like the Korg MS‑20 … its growling, throaty character, something Pandora has in spades … in effect turns it into a capably gnarly drum synthesizer … something of a masterstroke … a range of percussion sounds that are smooth, crunchy and everything in between. Beautiful.

Read the full review here.

Waveform magazine (issue 10) said

It was really fun finding the sweet spots—of which I found a lot—in Pandora's box of tricks

Read the full review here.

Specifications

Pandora's specifications are as follows:
  • Panel width: 8HP
  • Module depth: 42mm
  • Current draw: 69mA on the +12V rail, 58mA on the -12V rail
  • Inputs:
    • CV inputs for filter Alpha, filter Beta, gain, feedback, and mix
    • Audio input
  • Outputs:
    • Audio output

The vactrols used in Pandora are compliant with RoHS legislation.

For more detail, please see the user manual.
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Pricing & Availablity

Pandora is available now.

MSRP: UK £189 (inc VAT), US $199 (exclusive of sales tax), EU €179.80 (exclusive of VAT)

For purchasing links, please see where to buy.

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