Joranalogue DELAY 1 Quick Start Manual

Split-phase bucket brigade delay line

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INTRODUCTION

While digital audio processors are often plagued
by latency issues, analogue circuits are known for
their instant response. But what if you want to
delay a signal on purpose, without the use of
tape or digital memory? Enter the bucket
brigade delay (BBD) line: a series of capacitor
'buckets', which pass the incoming signal along
at a high rate in order to delay it.
Delay 1 is a fully analogue BBD-based delay
module with a multitude of features geared
towards modern musical use. An integrated
temperature-compensated,
voltage controlled oscillator (VCO) provides the
'clock' signal necessary to drive the delay line
within 1 to 50 ms.
By increasing the drive frequency to over 20 kHz,
the typical 'BBD clock whine' problem is solved,
while still providing a wide range in delay time.
Classic chorus, flanger and echo effects are easily
achieved using the dry/wet blend, feedback and
damping parameters.
To greatly reduce distortion and noise, Delay 1
includes a newly developed control circuit. The
improved fidelity is maintained at a multitude of
signal levels by an integrated high-performance
compander, while preserving signal dynamics.
The module's 'split phase' topology provides two
different dry/wet mixes, which may be used to
convert
mono
signals
complementary comb filtering and more.
Delay 1 also allows you to experiment with
Karplus-Strong synthesis, an exciting technique
to create string and percussion type sounds. This
is made easy by an integrated noise transient
generator, driven by the 'pluck' input, and by the
clock VCO's 1 volt per octave response.
By re-engineering the classic analogue delay line,
Delay 1 brings the unique magic of BBDs into the
contemporary electronic musician's arsenal.
high-frequency
to
stereo,
for
SPLIT-PHASE BUCKET BRIGADE DELAY LINE
CONTENTS
In the Delay 1 box, you'll find:
 Product card, stating serial number and
production batch.
 16-to-10-pin Eurorack power cable.
 Mounting hardware: four black M3 x 6 mm
hex screws, four black nylon washers and a
hex key.
 The Delay 1 module itself, in a protective
cotton bag.
If any of these items are missing, please contact
your dealer or support@joranalogue.com.
1
DELAY 1

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Summary of Contents for Joranalogue DELAY 1

  • Page 1 ‘pluck’ input, and by the clock VCO’s 1 volt per octave response. By re-engineering the classic analogue delay line, Delay 1 brings the unique magic of BBDs into the contemporary electronic musician’s arsenal.
  • Page 2 1 volt per octave response. This means that each additional volt of CV will halve the delay, making it possible to use Delay 1 as a precise synthesis voice. 3 TIME MODULATION INPUT AND KNOB This second exponential TM input includes a...
  • Page 3 11 HIGH FREQUENCY INPUT AND OUTPUT in-phase feedback, also known as ‘regeneration’ While Delay 1 is normally driven by its own high- (switch setting ‘sum’). frequency (HF) VCO, creating the ‘clock’ signal Note that delay line feedback is unique in that required to drive the bucket-brigade delay chip, the entire content of the delay ‘memory’...
  • Page 4 A rising edge at the pluck input, reaching above Should you find your Delay 1 to be out of tune, set +3 V, will ‘strike’ the delay line, creating a string- the range switch to the audio range, the coarse frequency knob to its minimum setting and the like sound.
  • Page 5 Module format As all Joranalogue Audio Design products, Doepfer A-100 ‘Eurorack’ compatible module Delay 1 is designed, manufactured and tested 3 U, 12 HP, 30 mm deep (inc. power cable) with the highest standards, to provide the Milled 2 mm aluminium front panel with non-...
  • Page 6 With compliments to the following fine people, who helped to make Delay 1 a reality! Ben ‘DivKid’ Wilson Bernhard Rasinger Björn Jauss Boris Uytterhaegen Daniel Miller Erwin Van Looveren Frits Jacobs Hannes d’Hoine Janus Coorevits Jeroen De Pessemier Konstantinos Fioretos Kris Vanderheyden Lieven Stockx Quincas Moreira Simon ‘BRiES’...

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