Tascam Professional Digital Surround Monitor Controller DS-M7. 1 Owners Manual

							7 – Downmixing
  TASCAM DS-M7.1 31
5.1 > LCRS In the 5.1 to LCRS downmix, the atten-
uation values are:
5.1 > 4.1 In the 5.1 to 4.1 downmix, the attenuation 
values are:
5.1 > LR In the 5.1 to LR (stereo) downmix, the 
attenuation values are:
5.1 > mono In the 5.1 to mono downmix, the 
attenuation values are:
Source > Target Values in dB (default underscored)
LFE >C –3, –6, –9, –∞ 
LFE>L,R –3, –6, –9, –∞
Source > Target Values in dB (default underscored)
C >L,R  –3, –4.5, –6
Source > Target Values in dB (default underscored)
C >L,R –3, –4.5, –6
LFE>L,R –3, –6, –9, –
∞
LS,RS>L,R 0, –3, –6, –∞
Source > Target Values in dB (default underscored)
C > L+R –3, –4.5, –6
LFE>L+R –3, –6, –9, –
∞
LS,RS>L+R 0, –3, –6, –∞ 
						

							7 – Downmixing
32 TASCAM DS-M7.1
LCRS format
As mentioned earlier, there are two LCRS configura-
tions. The first is the LCRS (LS, RS) configuration, 
This allows a control room set up for 5.1 or 6.1 to use 
an LCRS configuraiton without repatching the speak-
ers. This is possible, since the Ls and Rs speakers are 
assigned the same signal, thereby creating a “phan-
tom” Cs speaker.
The second is the LCRS (CS) configuration, where 
the LS(S) signal is assigned to the CS speaker of a 
6.1 configuration. 
Both configurations use the same downmix settings, 
as shown here.LCRS > LR In the LCRS to LR (stereo) downmix, 
the attenuation values are:
LCRS > mono In the LCRS to mono downmix, the 
attenuation values are:
L
R
C
LFE
   S
(LS)
RS
RC
L
R
C
LFE
LS
RS
LC
RC
mute
mute
mute
mute
mute
mute
-3/-4.5/-6dB
LC
-0/-3/-6/
-3dB
L
R
C
LFE
   S
(LS)
RS
RC
L
R
C
LFE
LS
RS
LC
RC
mute
mute
mute
mute
mute
mute
-3/-4.5/-6dB
LC
-0/-3/-6/
LCRS > LR LCRS > mono
Source > Target Values in dB (default underscored)
C >L,R –3, –4.5, –6
S(LS)>L,R 0, –3
, –6, –∞
Source > Target Values in dB (default underscored)
C >L+R –3, –4.5, –6
S(LS)>L+R 0, –3
, –6, –∞ 
						

							7 – Downmixing
  TASCAM DS-M7.1 33
LR format
LR > mono In the LR to mono downmix, there are 
no parameters (changeable attenuation values)
-3dB
L
R
C
LFE
LS
RS
RC
L
R
C
LFE
LS
RS
LC
RC
mute
mute
mute
mute
mute
mute
LC
LR to mono 
						

							34  TASCAM DS-M7.1 
8 – Specifications
The following information is provided for reference 
when connecting the DS-M7.1 to other equipment. 
Always take care when making these connections.This shows the pinouts when viewing the rear panel 
of the DS-M7.1.
Analog connections
The pinouts for the 25-pin D-sub connectors used for 
both analog input and analog output are as follows:
AES/EBU connections
The pinouts The pinouts for the 25-pin D-sub con-
nectors used for AES/EBU I/O (insert and monitor, 
as well as are as follows:
13 1
14 25
Pin Signal Pin Signal
1CH 8 +2CH. 8 Gnd
3CH. 7 –4Ch. 6 +
5CH. 6 Gnd6CH. 5 –
7CH. 4 +8CH. 4 Gnd
9CH. 3 –10CH. 2 +
11CH. 2 Gnd12CH. 1 –
13NC14CH. 8 –
15CH. 7 +16CH. 7 Gnd
17CH. 6 –18CH. 5 +
19CH. 5 Gnd20CH. 4 –
21CH. 3 +22CH. 3 Gnd
23CH. 2 –24CH. 1 +
25CH. 1 Gnd
Pin Signal Pin Signal
Pin Signal Pin Signal
1D.  O u t  4  +2Gnd
3D.  O u t  3  –4D.  O u t  2  +
5Gnd6D.  O u t  1  –
7D. In 4 +8Gnd
9D. In 3 –10D. In 2 +
11Gnd12D. In 1 –
13NC14D.  O u t  4  –
15D. Out 3 +16Gnd
17D. Out 2 –18D.  O u t  1  +
19Gnd20D. In 4 –
21D. In 3 +22Gnd
23D. In 2 –24D. In 1 +
25Gnd
Pin Signal Pin Signal 
						

							8 – Specifications
  TASCAM DS-M7.1 35
Specifications
I/O specifications
The CONSOLE, MASTER and INSERT connectors 
may each have an optional slot card selected as alter-
native I/O sources.
These slots may be filled by any of the following (but 
only one analog IF-AN/DM card may be fitted at a 
time).Also note that when such analog cards are fitted, the 
headroom should be set on the cards to 20 dB, using 
the switches and jumpers on the cards, and following 
the documentation supplied with thcards.
All these cards use PCI 120-pin edge connectors and 
conform to the TASCAM TDMCS standard.
Analog monitor section
Analog CR inputs (stereo)
CONSOLE I./O TDIF-1 format (built-in) 8 channels each of input and output (25-pin D-sub) or 
slot 1
TRK RECORDER I/O TDIF-1 format (built-in) 8 channels each of input and output (25-pin D-sub) or 
slot 2
MASTER RECORDER I/O TDIF-1 format (25-pin D-sub)
AES-1992 (AES/EBU) format (25-pin D-sub)
ADAT (TOSLINK “lightpipe” format) x 2 (built-in), 8 channels each of input and 
output
INSERT I/O AES/EBU (25-pin D-sub), balanced analog (25-pin D-sub x 2), 8 channels each 
of input and output or slot 3
MONITOR OUTPUTS AES/EBU (25-pin D-sub), balanced analog (25-pin D-sub), 8 channels of output
WORD IN
BNC , TTL level with 75
Ω termination switch
MUTE/DIM remote connector TRS 3.5 mm jack (common sleeve, tip=mute, ring=dim), TTL level input (falling 
edge detection)
REMOTE IN (1 and 2) 9-pin D-sub connectors (1=front, 2=rear) for connection of the remote control 
panel. Power +8 V, Differential Tx and Rx
RS-232C 9-pin D-sub connector conforming to RS-232C standards
IF-AE/DM AES-1992 (AES/EBU) — can be used with high-speed mode
IF-AD/DM ADAT “lightpipe” interface (SYNC in this card is not available with the DS-M7.1)
IF-TD/DM TDIF card (REMOTE OUT connector not available with DS-M7.1)
IF-AN/DM Analog I/O (use with 20 dB headroom) — can be used in high-sampling mode
Nominal output level +4 dBu
Maximum output level +24 dBu
Output impedance < 100
Ω
DAC resolution 24 bits
Nominal input level +4 dBu
Maximum input level +24 dBu
Input impedance > 10 k
Ω
ADC resolution 24 bits 
						

							8 – Specifications
36 TASCAM DS-M7.1
Audio performance
Analog outputs
Analog inputs
Master recorder input(AES/EBU) -> Monitor output(Analog)
T.H.D < 0.004%  1kHz 0dBFSinput, Fs=48kHz
S/N  > 113dB  Fs=48kHz, A-weight
Dynamic range > 113dB  1kHz -60dBFS input, Fs=48kHz, A-weight
Frequency response  < ±0.5dB  20Hz-20kHz, 1kHz 0dBFS input, Fs=48kHz
< +0.5/-1.5dB 20Hz-40kHz, 1kHz 0dBFS input, Fs=96kHz
Crosstalk > 100 dB 100dB1kHz 0dBFS input, Fs=48kHz
Master recorder input(AES/EBU) -> Analog insert output(SLOT3 : IF-AN/DM)
T.H.D  < 0.006%  1kHz 0dBFS input, Fs=48kHz
S/N  > 111dB  Fs=48kHz, A-weight
Dynamic range > 111dB  1kHz -60dBFS input, Fs=48kHz, A-weight
Frequency response  < ±0.5dB  20Hz-20kHz, 1kHz 0dBFS input, Fs=48kHz
< ±1.0dB  20Hz-40kHz, 1kHz 0dBFS input, Fs=96kHz
Crosstalk > 100dB  1kHz 0dBFS input, Fs=48kHz
Stereo CR input (analog) -> Monitor output(AES/EBU)
T.H.D < 0.003%  1kHz +24dBu input, Fs=48kHz
S/N > 113dB  Fs=48kHz, A-weight
Dynamic range  > 113dB 1kHz -36dBu input, Fs=48kHz, A-weight
Frequency response < ±0.5dB 20Hz-20kHz, 1kHz +24dBu input, Fs=48kHz
< ±0.5dB  20Hz-40kHz, 1kHz +24dBu input, Fs=96kHz
Crosstalk > 100dB  1kHz +24dBu input, Fs=48kHz
Analog insert input (SLOT3 : IF-AN/DM) -> Monitor output(AES/EBU)
T.H.D  < 0.003%  1kHz +24dBu input, Fs=48kHz
S/N > 106dB  Fs=48kHz, A-weight
D-range  > 106dB  1kHz -36dBu input, Fs=48kHz, A-weight
Frequency response  < ±0.5dB  20Hz-20kHz, 1kHz +24dBu input, Fs=48kHz
< ±0.5dB  20Hz-40kHz, 1kHz +24dBu input, Fs=96kHz
Crosstalk > 100dB  1kHz +24dBu input, Fs=48kHz 
						

							8 – Specifications
  TASCAM DS-M7.1 37
General specifications
Dimensional drawings
Sampling frequencies supported: 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz (as determined by incoming word clock) 
all ±6%
Word length 24 bit
Voltage requirements USA/Canada 120 VAC, 60 Hz
U.K. 240 VAC, 50 Hz
Europe 230VAC, 50 Hz
Australia 240 VAC, 50 Hz
Power consumption 32 W
Applicable electromagnetic environment E4
Peak inrush current 1.9 A
Dimensions (main unit) w x h x d 482 x 148 x 330(mm)
19 x 5.8 x 13 (in)
Dimensions (main unit with remote control and cable) 
wxhxd482 x 148 x 401 (mm)
19 x 5.8 x 15.8 (in)
Dimensions (remote control unit, excluding cable) 
wxhxd316 x 39 x 113 (mm)
12.4 x 1.5 x 4.5 (in)
Weight (main unit) 8.65 kg (19 lbs)
Weight (remote control unit) 0.85 kg (1.9 lbs)
Operating temperature 5°C to 40°C (41°F to 104°F)
Supplied accessories Power cord, warranty card
113 mm (4.5 mm)
39 mm
(1.5 in)
316 mm (12.4 in)
482 mm (19 in)
132 mm (9.2 in)
148 mm (5.8 in)
330 mm (13 in)
11mm (0.5 in)
71 mm (2.8 in) 
						

							8 – Specifications
38 TASCAM DS-M7.1
Making up a remote control cable
It is possible to make two kinds of remote control 
cable, allowing the front panel of the DS-M7.1 to be 
detached and used as a remote control unit.
The first type may be up to 5 m (about 15 feet) long 
(standard cable), and may use a general-purpose 
cable.The second type (extended) allows remote control up 
to 20 m (over 65 feet) away, and must be constructed 
using a specially-specified cable (described here).
No guarantee of correct operation can be given if a 
cable over 20 m, or a cable which is not constructed 
according to the guidelines here, is used to connect 
the remote control unit to the main unit.
Standard cable
In this case, a standard RS-232C extension cable of 
up to 5 m in length may be purchased from a com-
puter supply outlet and used.
This cable should be a “straight” shielded cable, with 
a male 9-pin D-sub connector on one end, and a 
female 9-pin D-sub connector on the other. The wir-ing should be straight through, with 1 connected to 1, 
2 to 2, etc. through to 9 to 9.
Note that cables sold for extension purposes are usu-
ally fitted with male and female connectors, and for 
that reason, we recommend the use of these cables.
Extended cable
This cable must be made specially, using a cable with 
the following specifications:
Shielded twisted-pair cable of at least 22AWG 
should be used, with a length of 20 m or less.A male 9-pin D-sub connector should be attached at 
one end, and a female 9-pin D-sub connector at the 
other.
Pin connections should be made straight through: 1 
to 1, 2 to 2, through to 9 to 9.
All pins (and frame ground) should be connected. 
						

							8 – Specifications
  TASCAM DS-M7.1 39
Block diagram
Change!!
SPL REFERENCESurround levelLFE  GainMUTE
SRND /STST
SRND
SRNDSTSRNDST
SRNDSTSRNDSTSRNDSTSRNDSTSRNDST
MUTE/SOLO
CONTROL
MUTE/SOLOMUTE ALL
RTN
BUSRTN/BUS
INSERT
PRE SUM/POST SUM
PRE POST
INSERT
DIGITAL/ANALOG
ANA
DIG
Input summing
router1
2
3
4
5
6
7
812 34 567 8
ENABLE
DISABLE
INSERT
ENABLE/DISABLE
Output
router
L
R
C
LFE
LS
RS
LC
RC
MASTER
SEL
inout
ADCDAC
inoutinout
RCVDRVRCVDRV
AES
ADAT
Tracking
recorder
I/OConsole I/OMaster
recorder
I/O
inoutinout
ADATAES
Digital insert I/O
(AES/ EBU) Analog insert I/O
RCVDRV
DRV
out
DAC
MONITOR
OUTPUTSAESANALOG
RCVDRV
DIM
DIMMER
CONTROL
Mix / Exclusive SOLO L
R
C
LFE
LS
RS
LC
RC
BASS MANAGEMENT
DOWN MIX
MUTE control (Tip) DIMER control (Ring)
MUTE/DIM
STEREO
CR  INPUTS
RL
Pink Noise
GEN
DelayDelayDelayDelayDelay
RCVDRV
inout
ADCADC
inout
RCVDRV
TDIF
TDIF
DelayDelayDelay
8 channel  auodio line
1 channel audio line
example : IF-AE /DM
example : IF-AE /DM
SLOT 1
SLOT2 SLOT3inoutinout
RCVDRVRCVDRV
TDIFTDIF
TDIF SLOT1
SLOT2
TDIF
PPPPPPPP
L
R
C
LFE
LS
RS
LC
RC
PRE
POSTAES MON OUT
TRIM
CONSOLE
SEL
TRKREC
SEL
example : IF-AN/ DM
TEST
Dimmer LEVEL
ALT SPK 
						

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DS-M7.1