Synthesis Technology E580 Manual

Resampling mini-delay

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E580 Resampling Mini-Delay
www.synthtech.com/euro/e580

What is the E580?

The Synthesis Technology E580 is a mono-in, mono-out audio digital delay that uses a unique
'resampling' algorithm to mimic analog BBD and tape delays. Analog delays have the property that
when the delay time is changed, the pitch of the output changes. The E580 recreates this effect. There
are 3 modes: clean, BBD and Tape. The BBD mode adds a low-pass filter that is based on delay time as
well as noise. The Tape mode adds non-linear distortion (tape saturation effect) and "wow & flutter"
(motor speed variations). The E580 has 2 outputs: a main Delay and a Tap. The Tap is a percentage
(0-100%) of the main Delay. All 4 panel controls are also under CV (-5V to +5V range).

Connecting to the power supply

The E580 can use either a MOTM 4-pin, MTA-156 style connector (+-15V) or a 16-pin Euro style (+-
12V) connector. See the photos below. The Euro ribbon cable has a red stripe to indicate
-12V. The supplied Euro power cable is keyed so that when inserted in the E580, the red stripe is
'down' (towards the jacks) and by the white lettering on the pc board.

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Summary of Contents for Synthesis Technology E580

  • Page 1 The Tape mode adds non-linear distortion (tape saturation effect) and “wow & flutter” (motor speed variations). The E580 has 2 outputs: a main Delay and a Tap. The Tap is a percentage (0-100%) of the main Delay. All 4 panel controls are also under CV (-5V to +5V range).
  • Page 2 The 4 CV inputs do NOT have attenuators. Therefore, any CV applied to these inputs is added to the corresponding panel control. The internal circuitry of the E580 is designed so that applying a negative CV is the same thing as turning that control CCW, and a positive CV is the same thing as turning that control CW.

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