Suhr Discovery Analog Delay User manual

User Guide
Discovery Delay – Table of ContentsTable of Contents
Table of Contents
Overview � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 5
Terminology � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 6
Signal � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 6
Dry signal � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 6
Wet Signal � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 6
Repeats � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 6
Milliseconds (ms) � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 6
Beats Per Minute (BPM) � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 7
Modulation � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 7
MIDI � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 7
Overview Diagram � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 8
1� 7 Segment Display � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 8
2� Preset/Select/Hold To Edit Buttons � � � � � � � � � � � � � � � � � � � � � � � � � � � � 8
3� Up & Down Buttons � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 8
4� Mix Knob � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 8
5� Lo Cut Knob � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 9
6� Hi Cut Knob: � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 9
7� Bypass LED � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 9
8� Bypass/Preset Down Switch: � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 9
9� Time Division LEDs � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 9
10� Division Button � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 9
11� Regen Knob � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 9
12� Time Knob � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �10
13� Modulation Depth Knob � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �10
14� Modulation Waveform Display & Select Button � � � � � � � � � � � � � � � � � � � �10
15� Modulation Speed Knob � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �10
16� Tempo LED � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �10
17� Tap-Tempo Switch � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �10
Revision: 1.2 (7/1/2021)
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Discovery Delay – Table of ContentsTable of Contents
Inputs & Outputs � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 11
1� 18VDC Power Input � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �11
2� External Switch (Stereo TRS 1/8”) � � � � � � � � � � � � � � � � � � � � � � � � � � � � �11
3� TAP External Switch (Mono TS 1/4”) � � � � � � � � � � � � � � � � � � � � � � � � � � �11
4� Output (Mono TS 1/4”) � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �12
5� Expression Pedal (Stereo TRS 1/4”) � � � � � � � � � � � � � � � � � � � � � � � � � � � �12
6� Input (Mono TS 1/4”) � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �12
7� MIDI In (5 PIN DIN) � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �12
8� MIDI Out/ru (5 PIN DIN) � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �12
Controls � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 13
Bypass Foot Switch� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �13
Tap Foot Switch � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �13
Mix Knob � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �14
Time Knob � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �14
Regen Knob � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �15
Hi Cut Knob � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �15
Lo Cut Knob � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �15
Speed Knob � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �16
Depth Knob � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �16
Waveforms Button � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �16
Division Button � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �16
Preset Select (Edit Save) � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �17
Up & Down Arrow Buttons � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �17
Presets � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 19
Selecting a Preset � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �19
Editing / Saving Presets � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �19
Mapping Expression pedal � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �20
Erasing presets � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �21
Factory Reset of all Presets � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �21
Live Preset Mode (Bypass / Tap) � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �22
Revision: 1.2 (7/1/2021)
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Discovery Delay – Table of ContentsTable of Contents
MIDI � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 23
Changing MIDI Channel: � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �23
Changing Presets With Program Changes (PC#s) � � � � � � � � � � � � � � � � � � � � �23
Changing Knob Settings With Control Changes (CC#s) � � � � � � � � � � � � � � � � �24
Setting MIDI Out/ru Modes � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �24
Accepting/Denying CC#s � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �26
Sending Patch Changes � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �27
Sending Patch Changes and Controller Change data � � � � � � � � � � � � � � � � � � �27
MIDI time sync � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �27
MIDI Sysex dump & load of memory � � � � � � � � � � � � � � � � � � � � � � � � � � � �27
MIDI Table � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �28
Global Settings � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 30
Editing Global Settings � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �30
True Bypass - Buer Bypass mode � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �30
MIDI Channel: � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �30
MIDI Sync � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �30
MIDI CC accept � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �30
MIDI Out/ru modes � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �30
External Switch functions � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �30
Dry On/O � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �30
Sysex Dump/Send � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �30
Example Settings � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 33
Usage Cases � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 34
Discovery Analog Delay > Front of Amp � � � � � � � � � � � � � � � � � � � � � � � � � �34
Discovery Analog Delay > Eects Loop of Amp � � � � � � � � � � � � � � � � � � � � � �35
MIDI Switching from External Device � � � � � � � � � � � � � � � � � � � � � � � � � � �36
Technical Specications � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 37
Warranty � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 38
FCC Compliance � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 39
Revision: 1.2 (7/1/2021)
4

Overview

e long-standing mission of Suhr has been to bring the simplicity and tone of ana­log circuitry to today’s guitarists� e Suhr Discovery Analog Delay is the new revo­lutionary pedal, designed by Kevin Suhr� e Discovery Analog Delay is the rst of its kind, for Suhr and the world�
Retaining the tone, vibe, and creative inspiration of iconic analog delay units, yet adding the versatility of the most modern and expandable delay pedals available today�
e nest analog delay packed with 127 savable preset spaces, Tap Tempo, High/Lo­cut, with every parameter mappable to an expression pedal per preset, MIDI ins and outs, and every parameter you could ask for� at’s just the beginning�
e Suhr Discovery Analog Delay is a product that has been years in the making� We took our time with this one to make it as perfect as we could in the smallest package, full of features that include a few no other analog delay has�
We knew we wanted an amazing bucket brigade style analog delay� We also knew that having only one setting was not enough for the endless amounts of sounds that could be achieved� at is why we allowed you to save up to 127 presets, recallable via MIDI� All knobs are programmable for each preset, and can also be controlled individually via MIDI� We didn’t stop there� We allowed you to program the expres­sion pedal dierently for every preset to control every knob in any direction desired� We didn’t stop there� We allowed you to dump all your presets to a MIDI Sysex le for backup on a computer� You can even transfer presets between units�
Revision: 1.2 (7/1/2021)
5
Discovery Delay – TerminologyTerminology

Terminology

Here is a list of a few common terms used in this manual� Please familiarize yourself with the terms you do not already know� Understanding these terms will better help you understand how to use the Discovery Delay, or any delay for that matter�

Signal

A signal in this text refers to an audio signal, which is a representation of sound in the form of changing level of electrical voltage� Such a signal can come from your guitar pickups, through your guitar cable and into the Discovery� It may also come from previous eect, or from your ampliers eects send�

Dry signal

e Dry signal refers to your unaected guitar signal, or whatever signal that has been connected to the input of the Discovery� is has no delay eect on it� When the pedal is bypassed, all you are hearing is the dry signal�

Wet Signal

e Wet signal refers to the delay eect itself only without any dry signal� A delay makes a copy of your dry signal, and plays it a certain amount of time later, which creates the wet signal� e Dry and Wet signals are then mixed to form the nal out­put signal�

Repeats

Repeats is a term used among users of Delay eects that refers to the actual repeated dry signal that make up the wet signal� e wet signal is a repeated copy of the dry signal that feedbacks into itself and keeps repeating what you play into it� Repeats are also commonly referred to as “echoes”

Milliseconds (ms)

A millisecond is 1/1000 of a second� Milliseconds are abbreviated as “ms”� us, it takes 1000 ms to make up 1 whole second�
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Discovery Delay – TerminologyTerminology

Beats Per Minute (BPM)

‘Beats Per Minute’ refers to the tempo (speed) of a piece of music� A beat refers to a quarter note in a measure, so 4 beats would equal 1 measure� 120 BPM would equate to 120 quarter notes in a minute if only quarter notes were played for a whole min­ute�

Modulation

To modulate is to continually change the value of a parameter� In the case of this delay, the parameter that is being continually altered is the delay time� e delay time is “wiggled” a certain amount of time before and aer the center time, causing a change in pitch in the wet signal� e amount of wiggle is determined by the Speed and Depth controls� When this changing pitch on the wet signal is mixed with the dry signal, the result is a chorus type eect, which sounds like multiple voices are be­ing played at once�

MIDI

MIDI is an abbreviation for Musical Instrument Digital Interface� is is a standard of digital communication between musical instrument devices that was developed in the 1980’s in collaboration with a few music manufacturers� Today, it is the leading communication protocol between musical instruments� MIDI allows you to change presets and control knob positions on the Discovery from any device that can send MIDI information�
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Discovery Delay – Overview DiagramOverview Diagram

1. 7 Segment Display

e display shows multiple information from milliseconds of the delay time (ms), to the BPM (by holding the division switch), to the preset number and global menu navigation.

2. Preset/Select/Hold To Edit Buttons

is switch allows you to access and save your presets as well navigate global set- tings.

3. Up & Down Buttons

ese can be used to increment or decrement what you see on the display, whether that be the BPM, ms, or the options in the startup menu.

4. Mix Knob

e mix is 100% dry (no eect) when counterclockwise. When fully clockwise, it is 100% wet (only eect). When in the center, it is the 100% dry and 100% wet signals.

Overview Diagram

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Discovery Delay – Overview DiagramOverview Diagram

5. Lo Cut Knob

e low cut reduces bass from the delayed signal only� Fully counter-clockwise is no low (bass) cut� Full clockwise results in maximum low cut�

6. Hi Cut Knob:

e high cut reduces high frequencies from the delayed signal� Fully counter-clock­wise is the brightest and clearest tone (no high-cut), clockwise will be the darkest�

7. Bypass LED

Turns on when the pedal eect is on and o when the pedal is in bypass mode�

8. Bypass/Preset Down Switch:

e bypass switch engages or disengages the eect� Factory default is true bypass mode� (Refer to manual to switch between true or buered bypass mode�)

9. Time Division LEDs

Indicates which of the 5 time divisions are selected� 1/4 - Quarter Note, d1/8 - Dot­ted Eighth-Note, 1/8 - Eighth-Note, 1/3 - Triplet and 1/16 - Sixteenth-Note�

10. Division Button

e Division button selects one of the 5 divisions� Holding the division button will toggle the display to show milliseconds (ms) or BPM of the delay time� A dot in the bottom right corner of the display denotes BPM�

11. Regen Knob

e Regen controls how long your delay echoes last for� Full clockwise position will result in continuous oscillations�
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Discovery Delay – Overview DiagramOverview Diagram

12. Time Knob

e time knob can be used to alter the milliseconds (in 5ms increments) or BPM (range 55-250BPM), depending on which is shown on the display� e range in mil­liseconds accessed by the knob is 40ms - 1100ms� You can manually adjust millisec­ond/BPM times (in 1ms increments) with the [] and [] buttons to get specic delay times�

13. Modulation Depth Knob

e depth knob controls how intense the modulation of the delay is�

14. Modulation Waveform Display & Select Button

is button selects one of the 3 waveforms (Triangle, Sine, and Square) to modulate the delay time with�

15. Modulation Speed Knob

e speed knob controls the speed of a LFO (low frequency oscillator), which con­trols the delay time around the center of what is displayed on the display� is results in a chorus-type eect�

16. Tempo LED

is LED ashes at the tempo of the delay time (Milliseconds)�

17. Tap-Tempo Switch

Tap more than once to set the quarter-note delay time�
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Discovery Delay – Inputs & OutputsInputs & Outputs

1. 18VDC Power Input

e Discovery Analog Delay requires an 18V, center negative power supply with 250mA of available current. For more details, refer to the technical specications on
page 37.

2. External Switch (Stereo TRS 1/8”)

e External Switch allows you to plug in a TRS 1/8” (3.5mm) cable to connect a momentary dual foot switch to control the pedal in one of 3 modes.
It can be used to change presets, jump across presets, externally control the bypass and tap switches, and send MIDI program changes.
For more details about the dierent modes for the external switch and how to set it up, refer to page 32.

3. TAP External Switch (Mono TS 1/4”)

e TAP jack takes a momentary foot switch to externally control the delay time tap tempo.

Inputs & Outputs

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Discovery Delay – Inputs & OutputsInputs & Outputs

4. Output (Mono TS 1/4”)

Plug the output of the eect to the next device.

5. Expression Pedal (Stereo TRS 1/4”)

e expression pedal input allows you to connect a low impedance 10K ohm expres­sion pedal to control all the knobs per preset� For details on how to use the mapping process for the expression pedal, refer to page 20

6. Input (Mono TS 1/4”)

e input should be connected to your guitar, the previous eects output, or the ef­fects send of an amplier or mixer�

7. MIDI In (5 PIN DIN)

e MIDI IN uses the standard DIN 5 connection for MIDI communication� Uses for this are changing presets, syncing delay time to MIDI clock, and controlling all parameters� Refer to the MIDI section in this manual for more information

8. MIDI Out/Thru (5 PIN DIN)

e MIDI OUT/THRU jack is used to pass MIDI communication from the MIDI IN jack to the next device� Depending on the global settings, this output can be set as a hardware through for ultra low latency when no MIDI information is to be generat­ed from the Discovery itself� When set as an output, the Discovery delay can send its own messages such as Program changes and Controller changes� is can be used to control other pedals� For more information, refer to the MIDI section on page 23
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