CHD 7-702, User Manual, Page: 4 / 8

Stereo Bucket Brigade FX Unit
Module 7-702 v. 1.0
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No part of this publication may be reproduced in any form without the written permission of CHD Elektroservis.
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2. MODULE FUNCTIONS
Stereo Bucket Brigade FX Unit module is designed for Eurorack modular synthesizer systems. All
controls, signal inputs and outputs are located on the front panel (see Fig. 1). Inputs and outputs use
standard mono 3,5 mm (1/8“) mini-jack patch connectors.
Fig. 1 – Module front panel
DELAY block:
[1] MANUAL – manual control
[2] EXT-CV – external CV control input
MODULATION block:
[3] +/- – modulation indicator
[4] DEPTH – modulation depth control
[5] EXT-MOD – external MOD control input
[6]
Φ
0° /
Φ
180° – modulation signal phase
[7] INT-MOD – internal LFO speed
AUDIO block:
[8] OVERLOAD – overload indication
[9] GAIN – input gain control
[10] INPUT – audio signal input
[11] FEEDBACK – feedback level
[12] MIX – wet / dry signal ratio
[13] OUTPUT-RIGHT – right audio channel output
[14] OUTPUT-LEFT – left audio channel output
Stereo Bucket Brigade FX Unit is based on 2 analogue delay circuits (BBD). The scheme in Fig. 2
shows the internal block structure of the module. The module is designed for stereo Ensemble,
Phaser, Chorus, Flanger and similar effects. The resulting effect depends on input voltage controls
and knob settings.
Fig. 2 – Block scheme