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8

Specifications

General Specifications

C450

C320

C160

Power Output Level (Rated Power)

8

/STEREO

460 W + 460 W

340 W + 340 W

160 W + 160 W

20 Hz~20 kHz

4

/STEREO

620 W + 620 W

440 W + 440 W

200 W + 200 W

0.05%

8

/BRIDGE

1240 W

880 W

400 W

1 kHz

8

/STEREO

520 W + 520 W

370 W + 370 W

175 W + 175 W

0.05%

4

/STEREO

720 W + 720 W

520 W + 520 W

230 W + 230 W

8

/BRIDGE

1440 W

1040 W

460 W

1 kHz, 20 ms, no clip

2

/STEREO

1300 W + 1300 W

950 W + 950 W

350 W + 350 W

Power Bandwidth

Half Power, 0.1%

10 Hz~40 kHz

Total Harmonic Distortion (THD + N)

4~8

/STEREO

20 Hz~20 kHz, Half Power

8

/BRIDGE

0.05%

Frequency Response

10 Hz~50 kHz, +0, –1 dB

Intermodulation distortion (IMD)

4~8

/STEREO

7 kHz: 60 Hz, 1: 4, Half Power

8

/BRIDGE

0.05%

Damping factor

1 kHz, 8

200

Input Impedance

30 k

/Balance, 15 k

/Unbalanced

Residual Noise     Vol. min.

12.7 kHz LPF
IHF-A network

–75 dB

SN Ratio     Input 600

 shunt

12.7 kHz LPF
IHF-A network

105 dB

104 dB

101 dB

Channel Separation

Half Power, 8

, Vol. max.

65 dB, 20 Hz~20 kHz

input 600

 shunt

75 dB, 1 kHz

Slew Rate

STEREO

>30 V/

µ

 sec

8

 full swing

BRIDGE

>50 V/

µ

 sec

Sensitivity (Vol. max.) Rated Power into 8

+5.7 dB

+4.2 dB

+1.2 dB

Voltage Gain (Vol. max.)

32.1 dB

Controls

Front Panel

POWER switch (Push on/Push off)

Rear Panel

Volume (31 position dB calibrated)
Mode switch (STEREO/BRIDGE/PARALLEL)

Connectors

Input

Barrier strip terminal
XLR-3-31 type

Output

Barrier strip terminal

Indicators

POWER
TEMP

(heatsink temp 

 85

°

C)

PROTECTION (mute)
CLIP

×

 2

OUTPUT SIGNAL

×

 2

Protection Circuits

POWER switch ON/OFF, Muting, DC detection
TEMP (heatsink temp 

 95

°

C)

PC limiter

RL 

 1

Fan Circuits

Low speed (50

°

C), Variable, High speed (70

°

C)

Power Requirements

United States & Canada

120 V, 60 Hz

Europe

230 V, 50 Hz

Other

240 V, 50 Hz

Power Consumption

500 W/650 VA

400 W/500 VA

200 W/250 VA

Dimensions (W 

×

 H 

×

 D)

480 

×

 103.5 

×

 455 mm

Weight

16 kg

15 kg

12 kg

Options

Ventilation panel: VP1

0 dB=0.775 Vrms, Half Power=1/2 Power Output Level (Rated Power)
Specifications subject to change without notice.

Summary of Contents for C 450

Page 1: ...POWER AMPLIFIER Owner s Manual Mode d emploi Bedienungsanleitung Manual de instrucci nes TEMP PROTECTION POWER ON OFF A B CLIP SIGNAL M...

Page 2: ...efficiency drive The EEEngine s energy saver low heat generation design has reduced power consump tion to 50 or less and reduced heat generation to 35 or less in field applications compared to Yamaha...

Page 3: ...th the internal circuitry will void the warranty 5 Make sure power is off before making or removing connections Always turn the power OFF prior to connecting or disconnecting cables This is important...

Page 4: ...otection systems is activated during normal use this indicator lights up and no sound is output The speaker system is actually disconnected from the amplifier outputs when this indicator lights up The...

Page 5: ...on page 4 5 GND terminals This is the grounding screw terminal If hum or noise occurs ground earth the unit via this jack or try connecting it to the chassis of the mixer or preamp etc 1 Volume contr...

Page 6: ...GE MAX OUTPUT 450W 4 STEREO MAX OUTPUT 900W 8 BRIDGE Set to PARALLEL Speaker System 4 min 4 min SPEAKERS CHANNEL B CHANNEL A BRIDGE STEREO STEREO PARALLEL BRIDGE mode connections BRIDGE MAX OUTPUT 450...

Page 7: ...ural on the C450 340 W 340 W 8 in stereo and 880 W 8 in monaural on the C320 160 W 160 W 8 in stereo and 400 W 8 in monau ral on the C160 Be sure to use a speaker system that has sufficient input capa...

Page 8: ...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 Ventil...

Page 9: ...en for ventilation Front Air intake Air exhaust Completely open Rear View Side View SPEAKERS CHANNEL B CHANNEL A INPUT CHANNEL B CHANNEL A G G BRIDGE PARALLEL BRIDGE STEREO STEREO BRIDGE CHANNEL B CHA...

Page 10: ...105 dB 104 dB 101 dB Channel Separation Half Power 8 Vol max 65 dB 20 Hz 20 kHz input 600 shunt 75 dB 1 kHz Slew Rate STEREO 30 V sec 8 full swing BRIDGE 50 V sec Sensitivity Vol max Rated Power into...

Page 11: ...PC Limiter Ach Power Amp PC Limiter SPEAKERS BRIDGE PARALLEL CHANNEL A CHANNEL B CHANNEL B CHANNEL A INPUT PROTECTION TEMP Heat Sink Sensor Circuit Protection STEREO PARALLEL BRIDGE G G SIGNAL Dimens...

Page 12: ...nce of at least 4 stereo or 8 bridge Check the ventilation slots and improve the airflow around the amplifier Check the amplifier ventila tion conditions and take appropriate measures to improve airfl...

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