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Modular

Delay1022

Analog BBD delay

1. Introduction

This module is no classic echo, but a delay designed for audio rate feedback and

sound sculpturing. The 1V/oct. tracking and feedback CV input makes it suitable
for many VCO-like applications, for creating drum and string -like sounds and/or
for room ambience. There is a certain amount of noise, as to be expected from analog BBD delay 
modules, however the Delay1022's clear and brilliant sound in combination with the manually 
controllable output low pass filter makes this completely tolerable.

2. Features

Delay times from 2.5 ms to  50ms (without T CVin)

CV controllable delay time (≙ feedback frequency)

 G

ood 1V/oct tracking 

Feedback CV control input

2

nd

 delay output behind feedback-contolling VCA

Delay muting

Noise reduction

Manually controllable output lowpass (12dB)

Noise reduction

Sound control

Available with banana or 3,5mm minijacks

Eurorack module

Width: 12 HP

Dimensions:

128,5 mm x 60,6 mm

Depth: 52mm

Supply voltage: ±12V

Power consumption: ≈ 90mA

Front view

Left side view

Right side view

Drawing

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Summary of Contents for Delay1022

Page 1: ...brilliant sound in combination with the manually controllable output low pass filter makes this completely tolerable 2 Features Delay times from 2 5 ms to 50ms without T CVin CV controllable delay ti...

Page 2: ...t back to the BBD s input with negative polarity Input1 The BBD s audio signal input The signal applied on In1 will be mixed with the BBD s delay output the mixed signal is provided on output socket 2...

Page 3: ...e feedback sustain may be linearized for different delay times by splitting the T CVin signal and putting a small amount of this CV into the Feedback CV input The output level of the BBDs is not const...

Page 4: ...n self oscillating mode is a function of the delay time Frequency 1 T It may be necessary to readjust the tracking See chapter 4 Adjustment Audio routing 4 4 F1 com Pot F2 Pot F1 Octave F2 Octave F1 c...

Page 5: ...he Delay1022 in self oscillating mode by turning knob Feedback fully clockwise 6 Play a C 65 41Hz or a similar note on your keyboard The VCO should be in pitch with the keyboard The note should be nea...

Page 6: ...14 15 16 17 18 19 20 22 12 Objekt in Pfade 4 4 14 Fals 4 Feedback compensation for short delay times For short delay times the audio signal gets more attenuated causing a shorter feedback for short de...

Page 7: ...Delay1022 XR22 VCO The combination of the Delay1022 with the XR22 VCO opens up a wide variety of fascinating sounds XR22 VCO AM in Rhythm machine XR22 VCO frequency modulated with PEAK HOLD Delay tim...

Page 8: ...bpage http www cg products de module delay1022 This is Revision 5 Documentations for previous versions see here http www cg products de Delay1022_documentation_Rev 4 pdf http www cg products de Delay1...

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