Meyer Sound HMS-10 Operating Installations page 11
Surround loudspeaker mps-488 power supply
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Also See for HMS-10:
- Operating instructions manual (40 pages) ,
- Operating instructions manual (28 pages)
Table of Contents
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Routing One Input to Four Outputs
To route one audio input to four channel outputs:
■
Set all Link switches to ON.
Link 1
Link 2
Link 3
On
On
On
X
X
X
X
X
X
X
X
X
X
1
2
3
4
5
Routing Two Inputs to Two Outputs Each
To route two audio inputs to two channel outputs each:
1. Set Link switch 3 to OFF and all other switches to ON.
Link 1
Link 2
Link 3
On
On
On
X
X
X
X
X
X
X
X
1
2
3
4
5
Routing Four Inputs to Four Separate Outputs
To route four audio inputs to four separate channel outputs:
Set all Link switches to OFF.
■
Link 1
Link 2
Link 3
Off
Off
Off
X
X
X
X
X
X
1
2
3
4
5
Link 4
Link 5
Link 6
On
On
On
X
X
X
X
X
X
X
X
6
7
8
1
1
1
Link 4
Link 5
Link 6
Off
On
On
X
X
X
X
X
X
X
X
6
7
8
1
1
5
Link 4
Link 5
Link 6
Off
Off
Off
X
X
X
X
X
X
6
7
8
1
3
5
Input Impedance for Linked Channel Inputs
When a Link switch is enabled, the channel input's unbuf-
fered source signal is transmitted in parallel to each linked
channel output. This causes the channel input's impedance
(normally 10 kOhms for one HMS-10) to be reduced for each
Link 7
linked channel output. For example:
On
1 channel output, 10 kOhm input impedance
■
2 channel outputs, 5 kOhm input impedance
■
4 channel outputs, 2500 ohms input impedance
■
To avoid distortion when linking channel inputs, make sure
X
X
X
X
the source device can drive the total load impedance of the
1
linked HMS-10 loudspeakers. The source device must be
capable of delivering a minimum of 16 dBV (6.3 V rms into
600 ohms) to yield the maximum peak SPL over the operat-
ing bandwidth of the loudspeaker.
NOTE:
driving loads no smaller than 10 times their
Link 7
output impedance. To drive four HMS-10s linked
from a single channel input, the source device should
On
have an output impedance of approximately
200 ohms or less.
Channel Outputs
X
X
X
X
The MPS-488
(48 V DC) and balanced audio to up to eight MM-4XPs or to
5
up to four HMS-10s. The channel outputs use Phoenix 5-pin
male connectors with three pins for balanced audio (posi-
tive, negative, and shield) and two for DC Power (positive
and negative). These pins are clearly labeled on the
MPS-488
rear panel. A single composite cable (such as
P
Belden 1502) wired for both DC power and balanced audio
can be used to connect to each HMS-10.
Link 7
Off
X
X
MPS-488
Channel Outputs
P
X
X
X
X
CAUTION:
!
a maximum of four HMS-10 loudspeakers, the
7
HMS-10s should only be connected to channel out-
puts 1, 3, 5, and 7. Do not use the even-numbered
channel outputs.
HMS-10 OPERATING INSTRUCTIONS
Most source devices are capable of
's eight channel outputs deliver DC power
P
X
X
Because the MPS-488
X
X
X
X
can power
P
11
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