PROEL EXaverb, Raptor User Manual
Sound Processor
www.proelgroup.com
Designed and Engineered by Proel
UK
USER MANUAL
Proel Sound Processors User Manual
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SAFETY INSTRUCTIONS
In order to avoid damage to unit hardware and electronic parts, during unit use and/or maintenance, following safety instructions must be
heed. Before using the unit, please read these instructions. Follow all instructions and keep this instruction manual.
- Be careful that unit operation may not cause damage to people.
- Place the unit in a location protected from weather and far from water and moisture.
- Don’t place this unit close to heat sources (radiators, spots, amplifiers etc.).
- Avoid any liquid entering inside the unit.
- Connect this unit to a power supply line able to support unit power consumption, checking power supply line good operating conditions.
- Be careful that power supply line has an efficient ground line.
- Disconnect the unit from a. c. power socket during lighting storms or when unused for long periods of time.
Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as:
- Detective connections and/or on connections cables.
- Liquid has spilled inside the unit.
- The unit has fallen or has been damager or doesn’t operate normally.
No user-serviceable parts inside. Refer servicing to an authorized maintenance centre.
Proel Sound Processor units comply with EMC Directive 89/336/CEE (Directive on approximation of member nation's ordinance
concerning the electromagnetic compatibility) and following modifications 92/31/CEE and 93/68/CEE, as stated in EN 50082-1:1997, EN
55013:1990, EN 55020:1994 standards. These units comply to Low Voltage Directive 73/23/EEC (Directive on approximation of member
nation's ordinance concerning electric equipment designed to be used within the specified voltage range), and following modifications
93/68/CEE, as stated in EN 60065:1998 standard.
To avoid electric shock don’t open this unit. To prevent risks of fire and/or electric shock, don’t expose this unit to rain or moisture.
PACKAGING
This unit package has been submitted to ISTA 1A integrity tests. We suggest you control the unit conditions immediately after unpacking
it. If any damage is found, immediately advise the dealer. Keep all unit packaging parts to allow inspection. Proel is not responsible for any
damage that occurs during shipment.
SHIPMENT AND COMPLAINT
Products are sold “delivered ex warehouse” and shipment is at charge and risk of the buyer.
Possible damages to unit should be immediately notified to forwarder. Each complaint for manumitted package should be done within
eight days from product receipt.
WARRANTY AND PRODUCTS RETURN
Proel Sound Processor products have operating warranty and comply their specifications, as stated by manufacturer. Proel warrants all
materials, workmanship and proper operation of this product for a period of two years from the original date of purchase. If any defects are
found in the materials or workmanship or if the product fails to function properly during the applicable warranty period, the owner should
inform about these defects the dealer or the distributor, providing receipt or invoice of date of purchase and defect detailed description.
This warranty does not extend to damage resulting from improper installation, misuse, neglect or abuse. Proel S.p.A. will verify damage on
returned units, and when the unit has been properly used and warranty is still valid, then the unit will be replaced or repaired. Proel S.p.A.
is not responsible for any "direct damage" or "indirect damage" caused by product defectiveness.
INSTALLATION
Product installation is in professional 19” standard rack.
DISCLAIMER
Proel Sound Processor products have been expressly designed for audio application, with signals in audio range (20Hz to 20kHz). Proel
has no liability for damages caused in case of lack of maintenance, modifications, improper use or improper installation non-applying
safety instructions.
POWER SUPPLY
Proel Sound Processor products are provided with 9V a. c. power, these units may be damaged when used with a different power supply
or a power supply supplying d. c. power. It’s possible to use the Proel PPS62A rack mounting power supply. The use of different power
supply or adapters will expire terms of Proel S.p.A. liability as well as the terms of warranty.
Proel S.p.A. reserves the right to change these specifications at any time without notice.
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Contents
SAFETY INSTRUCTIONS ..............................................................................................................2
CONTENTS ....................................................................................................................................3
PROEL EXAVERB – QUICK START GUIDE .................................................................................4
FRONT PANEL...............................................................................................................................5
REAR PANEL.................................................................................................................................7
PROEL RAPTOR – QUICK START GUIDE....................................................................................8
FRONT PANEL...............................................................................................................................9
REAR PANEL...............................................................................................................................10
TABLE 1 – EXAVERB EFFECTS VARIABLE PARAMETERS ....................................................11
TABLE 2 –EXAVERB EFFECTS DESCRIPTION.........................................................................12
EXAVERB & RAPTOR TECHINCAL SPECIFICATIONS .............................................................13
HOOK-UP WIRING EXAMPLES (EXAVERB) ..............................................................................14
FRONT PANEL SETTING (EXAVERB):.......................................................................................14
HOOK-UP AND SETTING EXAMPLE (RAPTOR) ........................................................................15
FRONT PANEL SETTING (RAPTOR) ..........................................................................................16
INSERT (“Y” SHAPED) CABLE CONNECTION..........................................................................16
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Proel exaverb – Quick Start Guide
To connect this unit you need unbalanced (TS) ¼” cables carrying line level signals from your
mixer, or other line level source, to be connected to ¼” jacks of this unit rear panel.
If your sound source is monophonic, please connect the cable to “LEFT/MONO” input jack only.
For stereo sound sources, use both “LEFT/MONO” and “RIGHT” jacks by connecting two discrete
cables to each of the two inputs.
Set the output level of your sound source (mixer or other line level source) and the input gain
(“INPUT LEVEL”) so that “CLIP” LED will never turn on.
Connect unit outputs (“OUTUPT LEFT” and “OUTPUT RIGHT”) to your mixer effects return or
stereo line level input.
Please make sure “FX/BYPASS” LED is turned off.
Rotate the “OUTPUT LEVEL” knob until reaching the desired output signal level.
Now you can choose the effect you want to use by rotating the selection knob (7).
Using “MIX” knob set the quantity of direct signal (DRY) versus effect signal (WET) to be sent to
outputs.
In order to obtain the best possible results, please refer to page 14 connections examples.
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Front Panel
1) INPUT LEVEL Knob
This knob allows you to set input signal gain.
2) Mix Knob
This knob is useful to balance original sound versus effect sound to zetaverb output. Rotating the
knob counter clockwise (towards “DRY”) you’ll listen more of the original signal. Rotating the knob
clockwise (towards “WET”) you’ll listen more effect.
3) OUTPUT LEVEL Knob
This knob sets the output level of overall signal from the processor.
4) CLIP LED
This LED turns on when the processor input signal level is too high. In this case you should reduce
the input level by “INPUT LEVEL” knob.
5) VARIATION Knob
This knob allows you to modify the value of the parameter associated to each effect.
Each effect parameters editable, using the “VARIATION” knob, are listed in TABLE 1 (page 11).
At each effect change the last selected parameter value is stored. When an effect is recalled the
stored parameter value is recalled regardless of current position of VARIATION knob. Thus, in this
condition by rotating the knob there could be no value exchange, unless the VARIATION knob
passes thru stored VARIATION value point. Once the VARIATION knob passes thru the stored
point, it’s possible to modify the effect value. In order to verify that VARAITION knob has passed
the stored value point, you can see the FX/BYPASS LED (8), in this case the LED will briefly flash.
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6) TAP LED
This LED is activated only when Tap-Delay effect is recalled. The LED flashes at an inversely
proportional frequency to delay time (f = 1/T).
7) Effect type selector
By rotating this encoder you can choose the type of the effect among the following:
1. HALL
2. ROOM
3. PLATE
4. VOCAL
5. GATE
6. VOCAL ECHO
7. DELAY (TAP)
8. CHORUS
9. FLANGER
10. PHASER
11. TREMOLO
12. ROTARY
13. CHORUS/REV
14. DELAY/REV
15. CHORUS/DELAY
16. PITCH SHIFTER
Please see TABLE 2 @ page 12 for each effect detailed description.
8) FX/BYPASS LED
When the LED is turned on the Bypass is activated, and the unit is in mute (stop for Rotary effect).
When the LED is turned off, the Bypass is OFF.
9) Power Switch
10) TAP Button
When “TAP DELAY” effect is selected, by pushing two times this button, it’s possible to set the
desired delay time, according to music rhythm.
11) FX/BYPASS Key
By pressing this key you can activate (LED off) or de-activate (LED on) the effects bypass.
When ROTARY effect is loaded, if the LED is “ON” the effect is not muted but the horn and
cylinder rotation is stopped. In order to emulate real world status, horn and cylinder stop position is
totally random. Actually with different stop position you can hear different sound pitches due to
stop position of the horn and of the register.
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Rear Panel
1) POWER - 9V AC power supply connector
Please connect here the supplied AC power transformer.
2) Product Label
3) TAP Footswitch Jack
¼” (6.3mm.) unbalanced (TS) jack for temporary, normally open footswitch (not supplied).
suggested footswitches PROEL model PFS20 or model PFS24 .
When “TAP DELAY” effect is selected, pressing at least two times the footswitch connected to
FX/BYPASS jack it’s possible to set the desired delay time, according to music rhythm.
4) FX/BYPASS Footswitch Jack
¼” (6.3mm.) unbalanced (TS) jack for temporary, normally open footswitch (not supplied).
This jack allows to activate/deactivate the effect by pressing the footswitch.
When ROTARY effect is loaded, it doesn’t allow you to turn on/off the effect, but you can stop the
horn and cylinder rotation by footswitch. In order to emulate real world status, horn and cylinder
stop position is totally random. Actually with different stop position you can hear different sound
pitches due to the stop position of the horn and cylinder.
5) LEFT & RIGHT OUTPUT Connections
Left and Right line output signals unbalanced (TS) ¼” (6.3mm.) jack connectors.
6) LEFT/MONO & RIGHT INPUT Connections
Unbalanced (TS) ¼” (6.3mm.) jack connectors for Left and Right line input signals from a mixer or
other line level analog sources.
In case of a mono source signal, it should be connected to LEFT/MONO input only.
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Proel raptor – Quick Start Guide
You can connect the raptor to the desired input channel insert jack of your mixer, upon your needs
and/or the kind of result you’re looking for.
The unit has 12 high precision notch filters for each channel (channel A and channel B). All these
filters work in real time, so they can automatically detect and suppress up to 12 feedback
frequencies.
If you need to suppress the feedback from a single channel of your mixer (e. g. s singer
microphone) you can connect the raptor to the insert point of that mixer channel.
In this case you’ll obtain frequencies suppression, generally, before the mixer channel EQ section.
For these insert connections you will need a particular “Y” shaped cable (see hook-up details at
page 16, which you can easily find in musical instruments and electronic shops.
suggested cable PROEL SG210LU3.
Please connect a TRS (stereo) ¼” (6.3mm.) plug in your mixer insert, then connect the mono ¼”
(6.3mm.) plug corresponding to TRS tip to predator input A, and the ¼” (6.3mm.) plug
corresponding to TRS ring to predator output A (see figure 1, page 15).
Set the “MODE” button on “IN/OUT A”, thus you’ll use the raptor in mono.
Setting the “MODE” button on “IN/OUT A&B” and connecting a second “Y” cable to another input
channel insert, you’ll be able to simultaneously process 2 mixer channels.
Then, rotate the “SENSIVITY” knob to “RESET/STOP” position. In this position all the filters will be
locked and the signal won’t be processed.
Then engage the “PROCESS” button, on its “ON” position.
Turning on the unit, you’ll see “RUN/FREEZE” and “FIX/VAR” simultaneously flashing.
This behaviour means that the feedback detect engine is not active now. Clockwise rotating the
“SENSITIVITY” knob, you can choose 15 sensitivity levels, among “min” and “max”, thus activating
the feedback detect engine.
For Hook-up examples, please see pages 15 and 16.
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Front Panel
1) INPUT LEVEL Knob
This knob allows you to adjust the input signal level. Since the unit signal-to-noise ratio depends
by the input signal level, in order to achieve the best sonic performances we suggest you to adjust
the “INPUT LEVEL” knob on larger indent around the knob.
2) PROCESS Switch
This switch allows you to activate/deactivate the feedback sound processing.
3) OUTPUT LEVEL Knob
This knob adjusts the processor signal output level. In order to achieve the best performances,
adjust the “OUTPUT LEVEL” knob on larger indent around the knob.
4) MODE Switch
This switch determines feedback detection system mode. The switch has two positions; “IN/OUT
A” (Channel A only - mono mode) and “IN/OUT A & B” (A+B – stereo or two independent
channels).
Please notice that working on one channel only, the system is much faster to detect prospective
feedbacks, since it continuously works on just one channel instead of two.
5-10) RUN/FREEZE LED & Button
When this LED is lit, the system is in “FREEZE” mode, thus after activation of the 12th notch filter,
even if the system detects further feedback frequencies, these frequencies will not be suppressed.
When the LED is not lit, the system is in “RUN” mode, thus if the system detects further feedback
frequencies after the 12th filter, it will suppress the newly detected frequency using the 1st filter,
and so on.
6) SENSIVITY Knob
When this knob is in “Reset-Stop” position the feedback detection engine is stopped and all the
notch filters will be removed. In this condition all the buttons will be deactivated while
“RUN/FREEZE” and “FIX/VAR” will be flashing.
When this knob is among “MIN” and “MAX” sensitivity (positions from 1 to 15) the feedback
detection engine is activated. In this condition the operating mode is chosen by “RUN/FREEZE” (5)
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and “FIX/VAR” (7) buttons. Please notice that rotating this knob the system will not remove the
already activated notch filters.
7-11) FIX/VAR LED & Button
When this LED is lit, the system is in “VAR” mode, thus when feedback frequencies are no longer
detected after a certain amount of time, the system automatically resets all the activated filters.
When the LED is not lit, the system is in “FIX” mode, thus all the filters remain active until when
they are reset by rotating the “SENSITIVITY” knob to its “RESET-STOP” position.
When the system is in “FREEZE” mode, the activated notch filters cannot be reset, independently
by “FIX/VAR” button position.
8) Power On/Off button
Press this button to turn on/off the unit.
9) CLIP LED
This LED turns on when input signal level is too high. Adjust input signal level by “INPUT LEVEL”
knob so that this LED will not turn on.
Rear Panel
1) POWER - 9V AC power supply connector
Connect the supplied power supply to this connector.
2) Product label.
3) OUTPUT Connections
Unbalanced (TS) ¼” (6.3mm.) jack connectors for A and B line output signals. If the unit has been
set in “IN/OUT A” mode, please connect just one cable to A output.
4) Inputs Connections
A and B channels inputs on ¼” (6.3mm.) unbalanced (TS) jack connectors for line signal from a
mixer or other line level analog sources. If the unit has been set in “IN/OUT A” mode, please
connect just one cable to A input.
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Table 1 – Exaverb Effects Variable Parameters
Effect name Variable parameter using the “VARIATION” knob
Hall Decay Rev (Time of reverb decay)
Room Decay Rev (Time of reverb decay)
Plate Decay Rev (Time of reverb decay)
Vocal Decay Rev (Time of reverb decay)
Gate Time (Time the gate circuit closes the reverb tail)
Vocal echo Displacement (Selects echo type)
Tap Delay Feedback (percentage of feedback delay, by
“VARIATION” knob)
Delay time is chosen by pressing at least two times the
“TAP” button or “TAP” FOOTSWITCH.
Chorus Chorus Dep. (Chorus depth)
Flanger Rate + Feedback (it selects repetition depth and
feedback)
Phaser Rate + Feedback (it selects repetition depth and
feedback)
Tremolo
Rate + Ampl. (it varies tremolo depth and width)
Rotary
Slow/Fast (sets effect rotation speed)
Chorus Rev
Rate + Chorus dept. (Reverb decay time + chorus
depth)
Delay Rev
Delay Time (Delay time)
Chorus Dly
Chorud Depth (Chorus depth)
Pitch Shift
+/-12 Semitones (Raise/lower pitch)
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