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

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.
Explore the Expert Sleepers analogue modules:

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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