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CG Products Delay1022 Manual

CG Products Delay1022 Manual

Analog bbd delay

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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)
Good 1V/oct tracking
– Feedback CV control input
– 2
delay output behind feedback-contolling VCA
nd
◦ Delay muting
◦ Noise reduction
– Manually controllable output lowpass (12dB)
◦ Noise reduction
◦ Sound control
– Available with banana or 3,5mm minijacks
Front view
Left side view
– Eurorack module
– Width: 12 HP
– Dimensions:
128,5 mm x 60,6 mm
– Depth: 52mm
– Supply voltage: ±12V
– Power consumption: ≈ 90mA
Right side view
Drawing
1

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Summary of Contents for CG Products Delay1022

  • Page 1 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.
  • Page 2 18 19 15 16 13 14 Modular 3. Functions Objekt in Pfade: BBD selector This switch decides if one (512 stages) or two (1024 stages) BBDs (Bucket Brigade Device) are used for delay generation. Delay Time Manual control of delay time. The range is from around 1,3ms to 25ms for BBD switch in upper position and from ca.
  • Page 3 . By turning the knob ccw, the polarity of the CV signal becomes inverted resulting in a substraction/attenuation of the feedback control voltage. Note: The polarizing denter knob is a new feature of Rev.3 of the Delay1022. 18 19 15 16 13 14 Feedback: Manual control of feedback.
  • Page 4 Modular Delay Time CV Input1 Control voltage input for delay time (feedback frequency). Polarity of the incoming signal can be inverted with 'Inv.' switch ; its amount is adjustable by using poti 'T CVin 1' Delay Time 1V/Oct. CV Input 1V/Octave input. The feedback frequency (e.g. in self-oscillating mode) is a function of the delay time ( Frequency = 1/T) .
  • Page 5 Modular 4. Adjustment The Delay1022's Timebase VCO is already carefully adjusted to 1V/Oct. If you realize that the Delay1022 isn't in tune with your further analog synthesizer equipment, it could Objekt in Pfade: be necassary to retune it. 18 19...
  • Page 6: Further Adjustments

    Objekt in Pfade: 18 19 15 16 13 14 Modular 6. Further Adjustments 1V/Oct. Adjustment See above: 4.Adjustment Objekt in Pfade: 18 19 15 16 13 14 BBD1 output attenuator 18 19 15 16 18 19 15 16 13 14 (Feedback insertion point) Output attenuator for BBD1;...
  • Page 7 The dynamic pulse output of the http://www.cg- PEAK+HOLD (or any other impulse source) products.de/Audio/Delay- feeding the Delay1022 is a simple way to Patch1_ImpulseIn-350.mp3 create percussive drum and string-like sounds. 2. Delay1022 triggered with noise-bursts Better, because allowing more dynamic range and more sound options, is using short http://www.cg-...
  • Page 8: Contact & Support

    8. Contact & Support Christian Günther Forster Str. 50 10999 Berlin info@cg-products.de www.cg-products.de Phone: ++49 30 61286299 Mobile ++49 178 7699267 Product webpage: 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//Delay1022_documentation_Rev.3.pdf http://www.cg-products.de/Delay1022_documentation_Rev.2.pdf http://www.cg-products.de/Delay1022_documentation_Rev.1.pdf © Christian Günther...