Involve Audio Surround Master V2 Manuel utilisateur
Surround Master V2
User Manual - SM2-224-01
Involve Audio Pty. Ltd. © 2021
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pg. 1 | Involve Audio Pty Ltd
Your Surround Master is the product of over 100 years of audio
engineering experience. The Surround Master is based on patented
Involve technology which reproduces sound recordings so accurately
that if better technology were invented, your ear would not be able to
tell the dierence.
KEY FEATURES of your Surround Master
• Creates a surround sound experience from any stereo recording,
even if it wasn’t originally recorded in surround sound
• Reproduces every sound that was recorded, including subtle
sounds other systems cannot pickup
• Produces a true 360-degree circular surround sound accurately
• Provides a surround solution for 2, 4, 4.1 or 5.1 speaker systems
• Only system able to fully decode Involve Encode encoded content
• Separates the centre channel in 5.1 systems better than any other
product
• Eliminates the need for multiple decoders i.e. DPLII, DTS, SRS,
cinema, hall or other articial modes.
This manual describes how to setup and use your Involve Audio Surround
Master V2 and the various modes, controls, parameters, inputs and
outputs to upgrade your home Hi-Fi system so you can enjoy a full rich
surround sound not previously available.
Welcome to a whole new world of sound!
SM2-224-01 User Manual V1.1 | pg. 2
AUSTRALIAN DESIGNED
AND MANUFACTURED
Please read this guide
Please take the time to follow the instructions in this guide
carefully. It will help you set up and operate your Surround
Master V2 properly and enjoy all of its advanced features.
Computer programs embodied in this equipment
Copyright Involve Audio 2014
U.S.Patent #: US9111528B2
Int. Patent #: WO2011/069205A1
WARNING: To reduce the risk of re or electrical shock, do not expose the product to rain or moisture.
WARNING: The apparatus shall not be exposed to dripping or splashing, and objects lled with liquids,
such as vases, shall not be placed on the apparatus. As with any electronic products, use care not to spill
liquids into any part of the system. Liquids can cause a failure and/or a re hazard.
WARNING: No naked ame sources, such as lighted candles, should be placed on any part of the system.
These CAUTION marks are located on your Surround Master V2 enclosure:
The lightning ash with arrowhead
symbol within an equilateral triangle
alerts the user to the presence of
uninsulated, dangerous voltage
within the system enclosure that
may be of sucient magnitude to
constitute a risk of electrical shock.
PLEASE NOTE : THERE ARE NO USER SERVICEABLE COMPONENTS CONTAINED WITHIN THE SM2-224-01
The exclamation point within an
equilateral triangle, as marked
on the system, is intended to
alert the user to the presence
of important operating and
maintenance instructions in this
owner’s guide.
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE THE COVER
NO USER SERVICEABLE PARTS INSIDE
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE THE COVER
NO USER SERVICEABLE PARTS INSIDE
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL
RISK OF ELECTRIC SHOCK
DO NOT OPEN
pg. 3 | Involve Audio Pty Ltd
Controls
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MODES
Mode Function Outputs
Stereo Pass Through FL, FR
Involve 4(.1) Involve Quad FL, FR, RL, RR, SUB
Involve 5(.1) Involve 5.1 FL, FR, RL, RR, SUB
SQ 4(.1) Involve SQ Quad FL, FR, RL, RR, SUB
SQ 5(.1) Involve SQ 5.1 FL, FR, RL, RR, SUB
TSS Two Speaker Surround FL, FR, SUB
ON/OFF
OFFON
INPUT LEVEL
Input
Clipping
No
Clipping
Log level control
- db to +6db
∞
Centre Detent
at 0db
CHANNEL LEVEL
Active Inactive
Log level control
- 12db to +12db
Centre Detent
at 0db
Full Range
Output
SUB LEVEL
Active Inactive
Log level control
- 12db to +12db
Centre Detent
at 0db
120Hz
Low Pass
FL Front Left
FR Front Right
RL Rear Left / Surround Left
RR Rear Right / Surround Right
C Centre
SUB Subwoofer (120hz Low Pass)
SM2-224-01 User Manual V1.1 | pg. 4
Modes
The Surround Master V2 features a number of modes to enable a large decode
range. Every mode (other than Stereo) uses Involve’s patented Involve Decode
process to produce surround sound in as near to recorded quality as possible.
Stereo
Stereo passthrough mode provides a way to listen to your audio without the Involve
Decode process. When in Stereo passthrough mode the audio is diverted straight
from the INPUT to the Front Left and Front Right Channels.
This mode is provided for troubleshooting and so you can do direct A/B comparisons
between the source material with and without Involve Decode.
Involve 4(.1)
Involve 4(.1) is our recommended mode and presents audio in it’s purest form.
Use this mode for decoding standard stereo recordings or down-mixes and matrix
encoded formats such as QS, DPLII, EV, DY and Ambisonics. And of course this mode
will decode Involve Encoded material perfectly.
Involve 5(.1)
Use Involve 5(.1) when you would like the addition of a centre channel for your
system. This channel is a true centre and not just a summation of front left and front
right channels.
SQ 4(.1)
SQ 4(.1) is designed for decoding SQ content to quadraphonic audio. It uses the
Involve Decode with extra decoding techniques required to decode SQ material.
SQ 5(.1)
As with Involve 5(.1) a centre channel can be added for SQ encoded material.
Involve TSS
Involve TSS is a surround sound virtualisation technology that creates an immersive
sound eld from two speakers. Involve TSS diers from the competition by
maintaining an unabridged frequency range and the natural timbre of the sound.
Use this mode when you only have two speakers available but would like the
immersive experience of surround sound.
pg. 5 | Involve Audio Pty Ltd
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Connections & Setup
Involve / SQ / 4.0 / 4.1
4(.1) 5(.1)
Input
Two Speaker Surround
Stereo Passthrough
INPUT
4(.1) 5(.1)
Input
Two Speaker Surround
Stereo Passthrough
4(.1) 5(.1)
Input
Two Speaker Surround
Stereo Passthrough
Involve / SQ / 5.0 / 5.1
POWER - DC 9-12V 1A
C
4(.1) 5(.1)
Input
Two Speaker Surround
Stereo Passthrough
FL
SUB
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C
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SUB
R
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C
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SUB
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Power
Outlet
RL
FR RR
(optional)
SUB
(optional)
SUB
FL RL
FR RR
TSS (2.0 / 2.1)
4(.1) 5(.1)
Input
Two Speaker Surround
Stereo Passthrough
(optional)
SUB
STEREO
4(.1) 5(.1)
Input
Two Speaker Surround
Stereo Passthrough
LEFT
RIGHT
OUTPUT TO DSP / AMPLIFIER / PRE-AMP / ACTIVE SPEAKERS
LEFT
RIGHT
LEFT
RIGHT
SM2-224-01 User Manual V1.1 | pg. 6
STEREO / TSS Setup
TSS (2.0 / 2.1)
4(.1) 5(.1)
Input
Two Speaker Surround
Stereo Passthrough
(optional)
SUB
LEFT
RIGHT
Position the speakers as you would with a conventional stereo setup with the listener
between 1 to 2 speaker separation widths in front of the speaker. Ensure you are
sitting exactly at the half-way point of the two speakers. Note that the 2-channel
surround eect works outside this zone but the eect is reduced and varies with
the listener
30° 30°
STEREO
4(.1) 5(.1)
Input
Two Speaker Surround
Stereo Passthrough
LEFT
RIGHT
FL FR
pg. 7 | Involve Audio Pty Ltd
Involve / SQ / 4.0 / 4.1 Setup
(optional)
SUB
Involve / SQ / 4.0 / 4.1
4(.1) 5(.1)
Input
Two Speaker Surround
Stereo Passthrough
(optional)
SUB
FL RL
FR RR
Situate your speakers evenly in the four corner positions, an equal distance from
the listener - for a most realistic and truly circular surround we recommend that the
listener sits as close as possible to the central position between all speakers in the
room. Since many room arrangements don’t suit the placement of rear speakers
behind the seated position, the rear speakers may need to be placed more to the
sides but still behind the listener.
The FL, FR, RL and RR channels are all full range. You may also use a sub woofer with
this conguration.
40° 40°
90°90°
50° 50°
FL FR
RL RR
SM2-224-01 User Manual V1.1 | pg. 8
Involve / SQ / 5.0 / 5.1 Setup
4(.1) 5(.1)
Input
Two Speaker Surround
Stereo Passthrough
Involve / SQ / 5.0 / 5.1
C
FL RL
FR RR
(optional)
SUB
Please refer to the diagram to the right for the standard arrangement for 5.1
surround sound conguration used in most systems.
Wherever possible and practical, we suggest using the 4-channel setup as shown in
the Involve / SQ / 4.0 / 4.1 System Setup diagram with the centre speaker in the
usual position.
The FL, FR, RL, RR and C channels are all full range. You may also use a sub woofer
with this conguration.
30° 30°
90°90°
70° 70°
FL FR
RL RR
C
pg. 9 | Involve Audio Pty Ltd
Specications
Power Input 9-12VDC (9VDC recommended)
Power Consumption 500ma
Inputs Unbalanced Stereo | RCA
Output Unbalanced 6 channel | RCA
Signal to Noise Ratio 100dB
Weight (packaged) Less than 1kg / 2 Lbs
Input Level 2.5 V peak with clip indication
Output Level 2.5 V peak
Input Impedance 10 K Ohms
THD Less than 0.1%
Frequency Response (stereo bypass mode) DC 100kHZ
Frequency Response (all surround modes) 20 Hz - 20KHz 1db
Slew Rate 20V per microsecond
Dimensions 165 x 57 x 188 (W x H x D mm)
Weight <1KG
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