6

Rack Mounting

■Mounting in an EIA standard rack

If multiple high-power amp units are mounted in a rack with poor ventilation, the heat from the amps will cause the interior
of the amp to become very hot, causing the performance of the amps to be impaired. When mounting amps in a rack, you
must make provision for ventilation so that the heat can escape.
When mounting amps in a rack, please attach ventilation panels above and below the amp to allow air circulation. When
doing so, it is necessary for 35% or more of the entire surface area of a 1U size panel to be open.
Air circulation will be even better if the top surface of the rack has ventilation openings.

Ventilation panel

Yamaha provides an optional 1U-size ventilation panel VP1.
Unit: mm
480
44

■Mounting four or fewer amps in

an open-backed rack

Install the ventilation panel above the amps, as shown in
the following figure.
Ventilation panel
(attach to the front
or rear of the rack)
TEMP
PROTECTION
POWER
ON OFF
AB
CLIP
SIGNAL
–dB∞ 0∞ 0
40
30
20 15
10
3
6
25
40
30
20 15
10
3
6
25
EEEngine
TEMP
PROTECTION
POWER
ON OFF
AB
CLIP
SIGNAL
–dB∞ 0∞ 0
40
30
20 15
10
3
6
25
40
30
20 15
10
3
6
25
EEEngine
TEMP
PROTECTION
POWER
ON OFF
AB
CLIP
SIGNAL
–dB∞ 0∞ 0
40
30
20 15
10
3
6
25
40
30
20 15
10
3
6
25
EEEngine

■Mounting five or mor e amps, or

when (even with four or fewer

units) the back of the rack cannot

be left open

Install ventilation panels above and below each amp, as
shown in the following figure.
TEMP
PROTECTION
POWER
ON OFF
AB
CLIP
SIGNAL
–dB∞ 0∞ 0
40
30
20 15
10
3
6
25
40
30
20 15
10
3
6
25
EEEngine
TEMP
PROTECTION
POWER
ON OFF
AB
CLIP
SIGNAL
–dB∞ 0∞ 0
40
30
20 15
10
3
6
25
40
30
20 15
10
3
6
25
EEEngine
TEMP
PROTECTION
POWER
ON OFF
AB
CLIP
SIGNAL
–dB∞ 0∞ 0
40
30
20 15
10
3
6
25
40
30
20 15
10
3
6
25
EEEngine
TEMP
PROTECTION
POWER
ON OFF
AB
CLIP
SIGNAL
–dB∞ 0∞ 0
40
30
20 15
10
3
6
25
40
30
20 15
10
3
6
25
EEEngine