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Popular Yamaha P4500 Manual Pages
Owner's Manual - Page 2
... of experience in which the unit operates as a single high-power amplifier.
• A SIGNAL indicator and CLIP indicator is provided for purchasing a Yamaha P4500/3200/1600 series power amplifier. These amps feature high power and superb quality together with the letter N or coloured BLACK. Main features of the P4500/P3200/P1600 series
• Three types of this apparatus may...
Owner's Manual - Page 3
... Yamaha service personnel. This product contains no user-serviceable parts. by gripping the connector, not the cord.
7. Also make sure that the power supply...power supply. If you mount the unit in an open .......... 6 Portable Rack Mounting 7 Positioning the Housed Amplifier 7 Specifications 8 General Specifications 8 Block Diagram 9 Dimensions 9 Performance Graphs 10 Troubleshooting...
Owner's Manual - Page 4
Press to power OFF. Press again to power ON the amplifier. To fix the volume setting by protecting the controls, install the included security cover over ...channel's output signal distortion exceeds 1% (i.e. If the problem is corrected, the protection systems deactivate automatically, this indicator goes out, and normal amplifier operation is output during normal use, this indicator lights ...
Owner's Manual - Page 5
..., etc.
3 If hum or noise occurs, ground (earth) the unit via this jack, or try connecting it to set the amplifier operating mode: STEREO, BRIDGE or PARALLEL. ground. STEREO BRIDGE
• BRIDGE mode
SPEAKERS
CHANNEL B
CHANNEL A
STEREO BRIDGE
In BRIDGE mode, the (-) jacks of each mode, refer to "Modes" on page 4.
4 GND terminals This is...
Owner's Manual - Page 6
...)
-+
Set to adjust the volume.
Speaker System
4
BRIDGE mode In this mode, the CHANNEL A input signal will be output from the output jacks of both channels A and B. Make sure that the impedance does not fall below this mode, channels A and B operate independently (as a conventional stereo amp). OUTPUT 450W/4Ω (STEREO) MAX. s Modes: STEREO/PARALLEL/BRIDGE
STEREO...
Owner's Manual - Page 7
... system is very high: 460 W+460 W (8Ω) in stereo and 1240 W (8Ω) in monaural on the P4500; 340 W+340 W (8Ω) in stereo and 880 W (8Ω) in monaural on the P1600.
Refer...remove the
protective cover from the terminals in such a way that has sufficient input capacity.
Power amplifier _+
Fuse
Speaker system
+
_
10mm
At this example, the required fuse capacity is...
Owner's Manual - Page 8
...
44
Unit: mm
s Mounting four or fewer amps in an open-backed rack
Install the ventilation panel above and below each amp, as shown in the following figure. When mounting amps in a rack, please attach ventilation panels above the amps, as shown in the following figure.
TEMP PROTECTION POWER
ON OFF
EEEngine
A
20
15
CLIP
B
SIGNAL...
Owner's Manual - Page 9
...open
INPUT
CHANNEL B
CHANNEL A
G
G
(BRIDGE) (PARALLEL)
BRIDGE
SPEAKERS
CHANNEL B
CHANNEL A
STEREO PARALLEL
STEREO BRIDGE
MAX. OUTPUT 450W/4Ω (STEREO) MAX. Front
NO
Less than 10 cm Front
NO
7
OUTPUT 900W/8Ω (BRIDGE)
(STEREO) 4-8Ω/SP (BRIDGE) 8-16Ω/SP
s Positioning the Housed Amplifier
Place the case so that the ventilation airflow paths are not blocked...
Owner's Manual - Page 10
Specifications
s General Specifications
Power Output Level (Rated Power) 20 Hz~20 kHz 0.05%
8Ω/STEREO 4Ω/STEREO 8Ω/BRIDGE
1 kHz 0.05%
8Ω/STEREO 4Ω/STEREO 8Ω/BRIDGE
1 kHz, 20 ms, no clip
2Ω/STEREO
Power Bandwidth
Half Power, 0.1%
Total Harmonic Distortion (THD + N) 4~8Ω/STEREO
20 Hz~20 kHz, Half Power
8Ω/BRIDGE
Frequency Response...
Owner's Manual - Page 11
s Block Diagram
CHANNEL A (BRIDGE)
(PARALLEL) G
INPUT G
CHANNEL B
s Dimensions
Ach Power Amp
SIGNAL
A PC Limiter
CHANNEL A
CLIP
Temperature Sensor
(Heat Sink)
Protection Circuit
PROTECTION SPEAKERS
TEMP
PARALLEL BRIDGE
B STEREO
CLIP Bch Power Amp
PC Limiter
SIGNAL
CHANNEL B
26
61.2
292
4.4 D:455
379.6
55.2
45
424 W:480
308
15.5
88
H:103.5
Unit: mm
9
Owner's Manual - Page 12
... the speaker system.
Locate and correct the cause of at a speaker terminal, amplifier terminal, or wire.
The thermal protection circuit operates to protect the power transistors.
The heat sink temperature has exceed 85˚C.
Consult your dealer or nearest Yamaha service center. PROTECTION indicator lights.
10
Probable Cause
Remedy
Protection Circuit
There is excessive...
Owner's Manual - Page 21
s Schéma
CHANNEL A (BRIDGE)
(PARALLEL) G
INPUT G
CHANNEL B
s Dimensions
Ach Power Amp
SIGNAL
A PC Limiter
CHANNEL A
CLIP
Temperature Sensor
(Heat Sink)
Protection Circuit
PROTECTION SPEAKERS
TEMP
PARALLEL BRIDGE
B STEREO
CLIP Bch Power Amp
PC Limiter
SIGNAL
CHANNEL B
26
61.2
292
379.6
4.4 P:455
55.2
45
424 L:480
308
15.5
88
H:103.5
Unité: mm
9
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