Expert Sleepers
ES-5 Expander for ES-3 - 4HP

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Item: N12-1488

Availability: Out of stock

ES-5 Expander for ES-3 - 4HP


The ES-5 is an expansion module for the Expert Sleepers ES-3 Lightpipe/CV Interface.

It piggybacks on one of the ES-3's stereo channels to provide eight gate/clock/sync/MIDI outputs on the ES-5 itself, plus further expansion headers to connect up to six expansion modules e.g. the ES-4 Gate Expander.

The front panel is drilled for both Doepfer and Analogue Systems mounting holes (using a 'slot' rather than a single round hole). The power connector is a Doepfer standard 16 way IDC, with -12V furthest from the top of the board.

Note that connection to the ES-3 is by a simple plug-in cable for the ES-3 mk2 only. The original ES-3 requires some soldering to add the required connections

Software Requirements

Unlike the ES-3 itself, the ES-5 requires particular software in order to generate meaningful output signals. Currently, the only such software is the 'ES-4 Controller' plug-in, part of Expert Sleepers Silent Way.

Silent Way is available in AudioUnit and VST formats for Mac OS X and Windows. Use of Silent Way therefore requires a compatible host application (DAW). For Pro Tools users, Silent Way is known to work with the FXpansion VST-RTAS wrapper.

A Silent Way licence is not included with the ES-5 - however, the ES-5 Controller plug-in functions in a licence-free mode, so ES-5 users are not forced to buy Silent Way. Such users can than evaluate the rest of the Silent Way suite in demo mode.


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  • Panel width: 4HP
  • Module depth: 49mm
  • Digital input: connection from ES-3 module
  • Analogue outputs: 8x 3.5mm jacks, DC-coupled
  • Output voltages: 0V/5V
  • Indicators: LED per channel
  • Expansion:  6 headers for connecting expansion modules e.g. the ES-4 Gate Expander
  • Current draw: 8mA on the +12V rail, 0mA on the -12V rail (8mA total)

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