SUM
Eighteen / Sixteen
Summing Module
API 500 compliant
User Manual
Release 1.2.6 January 2014
©
SUM Eight / Sixteen - User Manual
INDEX
Introduction and main features
Page 2
How to rack-mount the SUM
Page 3
Manufacturers rack
Page 4
Front Panel Description of the SUM EIGHT
Page 5
Front Panel Description of the SUM SIXTEEN
Page 6
Main Controls Studio Calibration
Glossary Pages 11, 12
Front and Back Panel Connectors
Pages 13, 14
Connectivity
Technical specifications
Page 18
Maintenance
Page 19
Warranty
Page 20
Certifications
Page 21
Copyright
Page 22
Pages 7, 8
Pages 9, 10
Pages 15, 16, 17
INTRODUCTION AND FEATURES
We wanted to be the first in Italy to create a high-end, line summing module that would set a new
standard in the professional audio market. The Sonum Sum is built using top quality discrete
components and is the first unit of this kind to be available for the API 500 series rack.
Available in an 8-channel and a 16-channel version, the Sum incorporates our extreme attention to
detail, elegant design and delivers ultimate sound quality.
Our Mission is to create innovative products, characterized by their advanced technology and
wonderful design.
Why the name Sonum©? Sonum is a Latin term and it simply means SOUND. It can also be translated
with Tone, Voice, Accent, Sonority , Musical Character. What better name to summarize the core of
our creation and its country of origin?
The technology we implemented makes SUM a product which is destined to professional use. It
sets itself apart from competition for its incredibly low noise floor, its high gain, its unbelievably fast
transient response, three-dimensionalty and neutral sound.
2
SUM Eight / Sixteen - User Manual
HOW TO RACK-MOUNT THE SUM EIGHT/SIXTEEN INTO THE RACK
1)
Remove the SUM from its packaging
2)
Turn off the rack and disconnect it from the mains
3)
Remove the screws from the rack (two or four depending on which version of the SUM you
are using - see red circles on Pic. 1)
4)
Touch the rack to eliminate electrostatic charges. They may damage the SUM
5)
Insert the SUM into the rack making sure it perfectly fits the socket (marked in yellow on
Pic. 1)
6)
Drive the screws back in place (do not use too much force)
7)
Properly connect the audio input and output of the slot. Reconnect your audio cables in
case you have removed them.
8)
Plug the rack back into the mains.
9)
Set the volume to 0 (anti-clockwise)
10) Turn on the rack
*Please note:
We used an API-500 B6 Lunchbox (main picture below) as an example for describing the
mounting procedure. However, according to APIʼs “VPR Alliance” standardization program
guidelines.
Picture 1
3
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SUM Eight / Sixteen - User Manual
MANUFACTURERS RACK
At the date of release of this manual the following products are also compatible with the 500 series:
A-DESIGN ® • 500HR - 2 slot powered 1U rack**
http://www.adesignsaudio.com
API ®
ATLAS PRO AUDIO ® • REVOLVER - 2 slot desktop
BAE ® 4
• 500-6B - 6 slot lunchbox
• 500VPR - 10 slot 3U rack
• DLB - 2 slot desktop
• 6 Module rack - 6 slot 3U rack
• 11 module rack - 11 slot 3U rack
• 6 Module Lunchbox - 6 slot Lunchbox
http://www.apiaudio.com
http://www.atlasproaudio.com
http://www.brentaverill.com
CHAMELEON LABS ®• CPS-501 - 1 slot powered 1/2 rack**
http://www.chameleonlabs.com
EMPIRICAL LABS ® • EL-500 - 2 slot powered 1U rack**
http://www.empiricallabs.com
PURPLE AUDIO ®
http://www.purpleaudio.com
• Sweet Ten Rack - 10 slot 3U rack
RADIAL ® • The Cube- 3 slot desktop
http://www.radialeng.com
• Powerstrip rack - 3 slot 1U rack**
• Workhorse - 8 slot 3U rack with 8x2 summing
• WR-8 Workhorse - 8 slot - 3U rack
SMPROAUDIO ® • JUICERACK - 1 slot 1/2 rack**
• JUICERACK - 3 slot 1U rack**
• JUICERACK - 8 slot 3U rack
• JUICEBLOCK - 3 slot desktop
http://www.smproaudio.com
TONELUX ® • V4 ROADSTER - 4 slot desktop
http://www.tonelux.com
• RM2 - 2 slot desktop
• RM8 - 8 slot - 3U rack
http://www.tube-tech.com
TUBE-TECH ®
Note** The SUM SIXTEEN cannot be used with these models.
SUM Eight / Sixteen - User Manual
SUM EIGHT - FRONT PANEL
Picture 2
Screw holes for rack-mounting
the module
Volume Knob
Headphone Output (TRS)
Channels 1/8 DB-25 Input
(+4dB)
Channels 1/2 Button Switch
(Mono/Stereo)
Channels 3/4 Button Switch
(Mono/Stereo)
Channels 5/6 Button Switch
(Mono/Stereo)
Screw holes for rack-mounting
the module
Channels 7/8 Button Switch
(Mono/Stereo)
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5
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SUM Eight / Sixteen - User Manual
SUM SIXTEEN - FRONT PANEL
Screw holes for rack-mounting
the module
Volume Knob
Headphone
Output (TRS)
Picture 3
Stereo References
Scale
Channels 9/16
DB-25 Input
(+4dB)
Channels 1/8
DB-25 Input
(+4dB)
Channels 9/10
Button Switch
(Mono/Stereo)
Channels 3/4
Button Switch
(Mono/Stereo)
Channels 11/12
Button Switch
(Mono/Stereo)
Channels 5/6
Button Switch
(Mono/Stereo)
Channels 13/14
Button Switch
(Mono/Stereo)
Channels 7/8
Button Switch
(Mono/Stereo)
Channels 15/16
Button Switch
(Mono/Stereo)
©
Channels 1/2
Button Switch
(Mono/Stereo)
Screw holes for rack-mounting
the module
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SUM Eight / Sixteen - User Manual
MAIN CONTROLS
1) VOLUME
The volume adjustment is made ​​as follows:
ROTATION
VOLUME
MAXIMUM
-3
0 dB
Increase
MAXIMUM
-3
6
-9
-12
Decrease
6
9
-12
-15
-21
The non-stepped rotary knob provides accurate gain increments of 1dB.
The gain range scale goes from -21dB to +9dB, when operating in mono mode.
For stereo channels, the reference gain range scale is -18 / +12dB (3dB more).
For visual reference, both scales are represented on the front panel of the Sum Sixteen.
The gain control acts on both the main output and the headphone output.
0 dB
3
-6
6
-9
3
6
9
-3
9
+3dB
-6
12
-9
- 12
- 15
- 18
- 12
- 21
(mono )
- 15
- 18
( st e r e o )
REFERENCE
SCALE
MONO
STEREO MODE
(+3 dB)
9
9
12
3
6
6
6
0 dB
0 dB
-6
-6
3
-3
-9
3
0 dB
-9
-6
-12
-18
-18
-21
9
-3
-12
-15
-21
-18
0 dB
3
-9
-18
-3
0 dB
-6
Anticlockwise
9
-15
VOLUME
3
-6
Clockwise
ROTATION
-3
-9
-15
-12
-21
-18
-15
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SUM Eight / Sixteen - User Manual
MAIN CONTROLS
2) MONO / STEREO BUTTON SWITCHES
The SUM operates in mono or stereo, depending on the switch buttons status. (Pic. 4 and Pic. 5)
STATUS
SWITCH BUTTON
MODE
OFF
Stereo
ON
Mono
SYMBOL
The eight audio channels available on the DB25 connector can be used in stereo mode (signals
panned hard left or hard right) or in mono mode (signals panned center).
In the first case, channels are stereo-linked in groups of two (1-2),(3-4),(5-6),(7-8) and the spatial
information of the original sound source is retained as well as its automation parameters.
In the second case, each channel is used independently for mono sources. This is generally very
useful when dealing with those signals that are usually panned center in the mix like snare, kick, bass,
lead vocals etc.
Picture 4
8
Picture 5
SUM Eight / Sixteen - User Manual
STUDIO CALIBRATION
1) STUDIO CALIBRATION
To get the best out of your SUM, aligning the D/A converters that output the signals to be processed
is a procedure worth considering. Although this is not obligatory, it can lead to far better results as the
relative levels between tracks is more homogeneous.
An AC Voltmeter and a digital oscillator, normally available in modern DAW’s, is all is required to
perform such an operation.
Once the plugin is opened in the DAW, it should be set to generate a 1Khz sine wave at -14dBFS and
routed to each output of the D/A. The measured output power on each channel should be:
1) Professional systems (balanced XLR / DB25): 1,23 Volts AC (corresponding to +4dBu); measured
between pins 2 and 3. In case it doesn’t match, adjust it using the dedicated trim.
2) Semi-professional systems (unbalanced RCA connectors): 0,32 Volts (corresponding to -10dBV
or -7,78 dBu), measured between the signal pin and the ground ring. Do not worry if your device
does not feature a trim adjustment control on each channel, it is important that measurements be
homogeneous and fall withing the same range (very few millivolts of margin can be accepted).
3) Hi-Fi systems (unbalanced RCA connectors): 0,245 Volts (-10dBu), measured between the
signal pin and the ground ring. Again, a range of very few millivolts can be accepted, but results
should be homogeneous.
These values set the maximum operating level of the converters to +18dBu and prevent signals from
clipping or distorting.
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SUM Eight / Sixteen - User Manual
STUDIO CALIBRATION - REFERENCE CHART
REFERENCE CHART Volts, dBu, dBV
Volts
10
dBu
dBV
16 bit
24 bit
6,152840047
+ 18
+ 15,7815
16
24
3,083724882
+ 12
+ 9,7815
15
23
1,545523543
+6
+ 3,7815
14
22
1,227652988
+4
+ 1,7815
13 +
21 +
1
+ 2,2184
13 +
21 +
0
0,774596669
0
- 2,2184
13
21
0,388217962
-6
- 8,2184
12
20
0,316227766
- 7,7815
- 10
11 +
19 +
0,244948974
- 10
- 12,2184
11 +
19 +
0,194569886
- 12
- 14,2184
11
19
0,097515943
- 18
- 20,2184
10
18
0,048873746
- 24
- 26,2184
9
17
0,024494897
- 30
- 32,2184
8
16
0,012276530
- 36
- 38,2184
7
15
0,006152840
- 42
- 44,2184
6
14
0,003083725
- 48
- 50,2184
5
13
0,001545524
- 54
- 56,2184
4
12
0,000774597
- 60
- 62,2184
3
11
0,000388218
- 66
- 68,2184
2
10
0,000194570
- 72
- 74,2184
1
9
0,000097516
- 78
- 80,2184
8
0,000138236
- 84
- 86,2184
7
0,000024495
- 90
- 92,2184
6
0,000012277
- 96
- 98,2184
5
0,000006153
- 102
- 104,2184
4
0,000003084
- 108
- 110,2184
3
0,000001546
- 114
- 116,2184
2
0,000000773
- 120
- 122,2184
1
0,0000003865
- 126
- 128,2184
SUM Eight / Sixteen - User Manual
GLOSSARY
dB
•
dBV
•
dBu
•
A decibel is a tenth of a Bel and owes its name to Alexander Graham Bell. It indicates the ratio of a
physical quantity relative to a specified or implied reference level. A ratio in decibels is ten times the
logarithm to base 10 of the ratio of two power quantities.
Level relative to 1 volt RMS, regardless of impedance
0dBV = 1V
level relative to 0,775 volts RMS (u= unloaded)
dBm
•
power relative to 1 milliWatt. In professional audio,it is a level relative to 0.775 Volts RMS with 600
Ohms impedence.
dBFS
•
(FS= full scale): it refers to levels in the digital domain, where 0dBFS is the maximum level possible
before signals start to clip.
All levels other than 0dBFS are negative (ex. -12dBFS). In a 16-bit audio environment, the lowest level
possible is -96dBFS (0000 0000 0000 0001).
The dynamic range changes according to bit-depth resolution:
16-bit audio has 96 dB of dynamic range
20-bit audio has 120dB of dynamic range
24-bit audio goes down to 144dB.
There is no standardized way to compare levels expressed in dBFS (digital measurement) with ones
expressed in dBu (analog tension - RMS).
Different reference values have been defined over the years:
Typology
dBFS
VU
dBu
dBV
Volts
-18
0
+4
1.781512501
1.2270
BBC spec: -18
-4
0
-2.218487499
0.7745
American e Australian Post:
-20
0
+4
1.781512501
1.2270
+24
21.781512501
12.2765
Calibrazione europea e del Regno Unito
per Post & Film
USA installation
0
Orchestral
-18
0
+4
1.781512501
1.2270
Rock and / or Radio
-16
0
+4
1.781512501
1.2270
Rock and / or Radio
-12
0
+4
1.781512501
1.2270
AVID Digi 002
-14
0
-4
1.781512501
0.4887
Japan, France and other country
0
0
+22
19.781512501
9.7515
Germany ARD and Studio of PPM
-10
+6
3.781512501
1.5455
Germany ARD and Studio of PPM
-9
+6
3.781512501
1.5455
Germany ARD and Studio of PPM
0
+16
13.781512501
4.8873
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SUM Eight / Sixteen - User Manual
GLOSSARY
Typology
dBFS
VU
dBu
dBV
Volts
Germany ARD and Studio of PPM
0
+15
12.781512501
4.3558
Belgium VRT
0
+15
12.781512501
4.3558
EBU R68-2000 The European Broadcasting Union
0
+18
15.781512501
6.1528
0
+15
12.781512501
4.3558
EBU R68-2000 The European Broadcasting Union
in the type EBU is not necessary to use the first 9 dB of available range
dB SPL
•
VU
Sound pressure level
•
(volume unit): originally called VI (volume indicator), is used to measure the perceived loudness of an
audio signal. It has a relatively slow response and it is optimized to measure (on a dB scale) the level
of audio sources during transmission and recording. It is not used to measure peaks (like a PPM) but
RMS (average). It was developed by the Bell Labs, CBS and NBC and it was implemented in 1939.
Its specifications are defined by ANSI (Volume Measurements of Electrical Speech and Program Waves C16.5-1942 -IEC 60.268-17).
0VU corresponds to a level of +4dBu. A VU meter is driven from a full-wave averaging circuit defined
to reach 99% full-scale deflection in 300ms and overshoots not less than 1% and not more than 1.5%.
Since a VU meter is optimised for perceived loudness, as already stated, it is not a good indicator of
peak (transient) performance.
PPM
•
12
(Peak Program Meter):
Originally developed in Europe, it integrates the information provided by a VU meter. It is very common
to find both meters in modern studios and is very useful when recording digital audio as it lets the user
keep the peaks below 0dBFS, avoiding unpleasant distortion.
There are two different IEC standards for PPM’s (60268-10 for analog and 60268-18 for digital).
A standard PPM has a 5ms integration time, so that only peaks wide enough to be audible are displayed.
SUM Eight / Sixteen - User Manual
FRONT AND BACK PANEL CONNECTORS
The front panel features the Tascam standard DB25 connector (for 8 line level, balanced
signals) and a headphone output. (Pic. 7)
The pinout of the DB25 connector meets the standard Tascam as shown on page 13: (Pic. 5)
Picture 7
13
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SUM Eight / Sixteen - User Manual
FRONT AND BACK PANEL CONNECTORS.
The output connections are provided by the hosting rack and are generally located on the
rear panel.
For the purpose of our explanation, we are using an API Lunchbox 500-B6 (see Pic. 8).
Picture 8
The 500 series rack provides a single input and a single output for each slot.
The SUM needs two separate outputs (one for the Left channel and one for the Right
channel), therefore a XLR/XLR M/M adapter is required to turn an input connector into an
output connector (Pic. 9)
CHANNEL
CONNECTOR
LEFT
INPUT (WITH XLR/XLR M/M ADAPTER)
RIGHT
OUTPUT
Picture 9
14
The SUM SIXTEEN takes two slots of space.
In this case the right slot connectors are not used whereas the left slot connectors are.
SUM Eight / Sixteen - User Manual
CONNECTIONS OUTLINES
CABLE
In order to get the best out of microphones, outboard gear, speakers or preamplifiers, quality cables
should be used.
• Manufacturers like Mogami, Canare or Belden build cables of outstanding quality.(shielded, noisefree, star quad cables.)
• Cable connectors must be reliable and maintain their funcionality over long periods of time. Manufacturers like Neutrik or Switchcraft are renowned for their products.
• Cables should not exceed a certain lenght and should not be damaged.
Our studio tests evidenced that choosing the right instrument cables has a major impact on the final
sound. Companies like Klotz or Elixir offer good products.
CABLE TYPE
The Sonum SUM is a professional product. It accepts/outputs balanced (+4dBu standard) signals.
(International studio level : Level in dB = +4dBu; Voltage RMS = 1.228V; Voltage peak-to-peak = 3.47V).
To connect the SUM you will need DB25 to XLR (or TRS) cables. (Pic. 10)
Signal
XLR Connector
TRS Connector
Chassis Ground (cable shield)
Pin 1
Sleeve
Audio 0° (Positive polarity (aka HOT)
Pin 2
Tip
Audio 180° (Negative polarity (aka COLD)
Pin 3
Ring
Attention: When connecting an balanced output to a subsequent audio device with an unbalanced input,
the negative signal lead (from Pin 3) must be wired to shield (Sleeve) at the TS connector
Picture 10
2
1
2
1
3
3
Female XLR
(Rear view)
Male XLR
(Rear view)
Connector TS
Connector TRS
1
1
2
3
2
15
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SUM Eight / Sixteen - User Manual
CONNECTIONS OUTLINES
CARD EDGE CONNECTIONS
If you are using a custom card rack, or a card rack not manufactured by API®, please verify the following
power supply terminations:
PIN
Edge Pinout Connector
1
C H ASSI S GR O U N D
2
+ O U T PU T
3
NC
4
- O U T PU T
5
AU DI O C O M M O N
6
NC
7
NC
8
- I N PU T
9
NC
10
+ I N PU T
11
NC
12
+ 16V D C
13
P OW ER C O M M O N
14
- 16V D C
15
+ 48V D C
With the module correctly positioned, pin number 1 is the first starting from the top
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SUM Eight / Sixteen - User Manual
CONNECTIONS OUTLINES
DB-25 CONNECTOR
The SUM utilizes one or two DB-25 professional connectors (often referred to as Tascam® DA-88 o
DTRS), depending on the model. (Pic. 11)
Attention: Digital devices that utilize AES3 connections (known as AES/EBU) are not compatible with the
SUM. Multipin digital and analog cables are not interchangeable.
Picture 11
SUM EIGHT DB25 Connector side
CH1
CH2
CH3
CH4
CH5
CH6
CH7
CH8
G C H G C H G C H G C H G C H G C H G C H G C H
13
12
25
11
24
10
23
9
22
8
21
7
20
6
19
5
18
4
17
3
16
2
15
1
14
SUM SIXTEEN DB25 Connector side
CH9
CH10
CH11
CH12
CH13
CH14
CH15
CH16
G C H G C H G C H G C H G C H G C H G C H G C H
13
12
25
11
24
10
23
CHANNEL NUMBER
SUM
EIGHT
9
22
8
21
7
20
6
19
5
18
4
17
3
16
2
15
1
14
DB25 PINOUT TASCAM / AVID
Audio 180°
NEGATIVE
POLARITY
(COLD)
C
GROUND
SUM
SIXTEEN
SUM
SIXTEEN
Audio 0°
POSITIVE POLARITY
(HOT)
H
1
9
24
12
25
2
10
10
23
11
3
11
21
9
22
4
12
7
20
8
5
13
18
6
19
G
6
14
4
17
5
7
15
15
3
16
8
16
1
14
2
Pin 13 is not connected.
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SUM Eight / Sixteen - User Manual
TECHNICAL SPECIFICATIONS
Technical specifications SUM
Model
SUM EIGHT
Circuit
Compatibilità
Original Project
Series 500 1 Slot
+16VDC @ 170 mA (No Load)
- 16VDC @ 170 mA (No Load)
+16VDC @ 270 mA (No Load)
- 16VDC @ 270 mA (No Load)
Connectors Front Panel In/Out
1 x DB25 standard Tascam (In)
1 x Headphone TRS (Out)
2 x DB25 standard Tascam (In)
1 x Headphone TRS (Out)
Connectors Rear Panel Out
1 x Comb 15 Positions cardedge 2 x Comb 15 Positions cardedge
standard EDAC
standard EDAC
156 X .156 - 306-015-520-102 156 X .156 - 306-015-520-102
Headphone out
High-fidelity headphone amplifier with over 120 dB of dynamic range
Max Line Input gain
10 Ohm
Max Line Input gain + 47 dB
Input impedence
Line input impedence differential 20.000 Ohm
(10k ohm; each leg @ 1 kHz)
Max Output Level
Max Output Level + 28 dBu (Load=10 k ohm; @ 1 kHz)
Output impedence
Output impedence 100 Ohm (50 ohm; each leg @ 1 kHz)
Weight
Measures
18
Series 500 2 Slot
Absorption Power supply
Impedence Headphone Level
SUM SIXTEEN
0,380 Kg
0,640 Kg
L x H x D 38 x 138 x 175 mm
L x H x D 76 x 138 x 175 mm
SUM Eight / Sixteen - User Manual
MAINTENANCE
CLEANING THE FRONT PANEL
Delicately clean the front panel using a micro-fiber damp cloth and glass detergent. Do not use abrasive detergents for this purpose.
CLEANING THE REAR CONNECTOR
Normally, you don’t need to clean the back connector for it is gold plated and guarantees the best
quality over a long period of time.
So perform this operation only when the connector is really dirt or if it has oxidized. In order to properly
clean it you must remove the unit from the rack first. (see page 3)
Gently pull the SUM out of its slot and clean it using isopropyl alcohol.
Make sure you do not touch the connector and the contacts with your fingers.
Let dry and re-mount the module into the rack.
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SUM Eight / Sixteen - User Manual
WARRANTY
*** PLEASE NOTE ***
•
Sonum SUM product warranty is regulated by the Italian law in force and the legal rights it gives you
may vary from country to country, state to state and province to province, according to the local jurisdiction. Total warranty period is 12 months from the original date of purchase. This warranty covers
the SUM against factory and workmanship defects, present since the date of purchase and they must
be notified to Sonum © as soon as possible
•
•
20
This warranty DOES NOT cover damage caused by: improper installation, wrong use of the unit,
bad maintenance as well as careless conservation, repairs performed by unauthorized personnel,
transportation, corrosion and whenever the serial number is lost, removed, changed or unreadable.
The present warranty does not cover factory defects occurred after the warranty expiration date and
if these defects where absent at the moment the unit was purchased or delivered to the final user.
In addition to what listed above, Sonum © can not be held responsible for any damage caused by
incidents and natural calamities such as snow, rain, thunder and similar. Periodic check-ups and functional controls are not covered unless necessary when a component needs complete restoring and
reconditioning within the warranty period. Damage due to overvoltage, caused by other electronic
devices or manual alteration of the product are not covered. We can not be held responsible for any
unnotified changes in employed materials or design modifications different from what specified in ads,
catalogs or on the internet. Ultimately, this warranty does not cover excessive repair and technical
assistance costs.
Whenever the listed conditions are respected, Sonum © will repair the product free of charge and will
send it freight prepaid back to the retail seller. All products covered by our warranty must be sent to
Sonum © freight prepaid and inclusive of all fiscal documentation. In case the product is sent to us
after the warranty has expired the buyer will bear all costs (administration, shipping, technical assistance). Please always contact us via email prior to sending the unit so we can evaluate all possible
costs in advance.
SUM Eight / Sixteen - User Manual
CERTIFICATIONS
Declaration of Conformity
Sonum© declares the SUM Eight and SIxteen Summing module to be in material conformity with the following EC directives and related standards:
• 2006/95/EC Low Voltage Directive
• 2004/108/EC EMC Directive
The technical documentation is available in our center.
Certificate of Compliance
Sonum© declares the SUM Eight and SIxteen Summing module are RoHS compliant and meet the requirements and specified limits of restricted substances according 2002/95/EC directive.
RAEE
Sonum© SUM Eight and Sixteen is marked with the WEEE symbol to comply with the European Union’s
Waste Electrical & Electronic Equipment (WEEE- European Union’s Waste Electrical & Electronic
Equipment) Directive 2002/96/EC.
The symbol indicates that this product should not be treated as household waste. It must be disposed and
recycled separately as electronic waste. Please assist to keep our environment clean
Above declarations are void by modification of the device without approval, or unauthorized servicing.
01/01/2014, Firenze
Sonum©
Marraghini Miriano
21
©
SUM Eight / Sixteen - User Manual
Manufactured by Sonum©
Viale L. Ariosto 492/F
50019 Sesto Fiorentino
Firenze - Italia
http://www.Sonum.it
email info@Sonum.it
All content, including pictures and photos, is copyright protected. Any full or partial reproduction of this
manual ( analog or digital) is strictly prohibited without Sonum©ʼs written permission.
With the goal of constantly improving our products, we reserve the right to make technical and functional
changes without notice. Sonum © operates in full respect of the law in force.
The information contained in this manual was reviewed and controlled prior to publication. You agree to hold
Sonum © harmless against any loss, liability or damage due to direct or indirect omissions and/or errors.
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All trademarks, product names and company names appearing in this manual (A-DESIGN © , API © , ATLAS PRO AUDIO© , AVID ©, BAE © , BELDEN©, CANARE©, CHAMELEON
LABS © , ELIXIR©, EMPIRICAL LABS© , KLOTZ©, SWITCHCRAFT©, MOGAMI©, NEUTRIK©, PURPLE
AUDIO© , RADIAL©, SMPROAUDIO©, SWITCHCRAFT©, TASCAM©, TONELUX© , TUBE-TECH©) e i
rispettivi modelli (500HR, 500-6B LUNCHBOX, 500VPR, L200PS, REVOLVER, DLB, 6 MODULE RACK,
11 MODULE RACK, 6 MODULE LUNCHBOX, CPS-501, EL-500, SWEET TEN RACK, THE CUBE,
POWERSTRIP, WORKHORSE, WR-8 WORKHORSE, V4 ROADSTER, RM2, RM8, JUICERACK 1,
JUICERACK 3, JUICERACK 8, JUICEBLOCK 3)
are exclusive property of their respective owners and therefore copyright protected.