background image

 

10

 

Air Flow

 

This unit uses a forced cooling system in which air comes in through the front opening and goes out the rear.

 

Rack Mounting

 

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. In particular, when mounting in a rack 
whose back can not be left open, mount according to the following instructions.

 

Rack: 

 

Leave a gap of 10 cm or more between the rear panel of the rack and the rear panel of the ampli

fi

er.

 

Fan: 

 

Use a fan with 1.5 m

 

3

 

/min or more maximum wind and 5 mmH

 

2

 

O or more maximum static pressure.

 

Mounting:

 

Install the fan kit on the top slot or the top panel of the rack and install a blanking panel between two amps.

If the unit is rack mounted and transported frequently, we recommend that the rear of the unit be supported by 

fi

tting a pair 

of metal brackets, one each side.

 

Example of mounting

 

The top 

fi

gure shows an example of a fan kit (panels and two fans) on the top slot of the rack. The fans are Minebea 3115PS-

12T-B30 (with 0.9 m

 

3

 

/min maximum wind and 5 mmH

 

2

 

O maximum static pressure).

The bottom 

fi

gure is a dimensional diagram of a panel on which two 3115PS-12T-B30 are installed.

Air intake

Front

Air exhaust

Side View

Rear View

PC9501N/PC6501N/
PC4801N/PC3301N/
PC2001N

PC9501N/PC6501N/
PC4801N/PC3301N/
PC2001N

4-6.5 x 11

88

463

480

248

4-C15

4-ø4.5 

76.2

71.5

±

0.1

71.5

±

0.1

78

78

Fan kit

Unit: mm

Summary of Contents for PA24

Page 1: ...EN POWER AMPLIFIER Owner s Manual ...

Page 2: ...R SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE 1 IMPORTANT NOTICE DO NOT MODIFY THIS UNIT This product when installed as indicated in the instructions con tained in this manual meets FCC requirements Modifications not expressly ...

Page 3: ...ing Remove the electric plug from the outlet when the device is not to be used for extended periods of time or during electrical storms When removing the electric plug from the device or an outlet always hold the plug itself and not the cord Pulling by the cord can damage it Before moving the device remove all connected cables When setting up the product make sure that the AC outlet you are using ...

Page 4: ... power immediately and unplug the power cord from the AC outlet Then have the device inspected by qualified Yamaha service personnel Do not use the device for a long period of time at a high or uncomfortable volume level since this can cause permanent hearing loss If you experience any hearing loss or ringing in the ears consult a physician Do not rest your weight on the device or place heavy obje...

Page 5: ...isible two channel level meters a PROTECTION indicator that shows the state of various protection systems power on off detection output protection DC detection a TEMP indicator that indicates heat sink overheating and a REMOTE indicator that indicates the external remote status Variable speed low noise fans ensure high reliability The PC3301N enables parallel connection of multiple high impedance ...

Page 6: ...for normal operation If a DC voltage is detected at the amplifier s outputs Turn off the power and then turn the power back on again If the amplifier overheats When this occurs the TEMP indicator will be lit You should turn off the amplifier and allow it time to cool down See the Precautions section of this Owner s Manual for ways to prevent the amplifier overheating 4 TEMP indicator This indicato...

Page 7: ...s Speakon type cable plugs can be connected here These are five way binding post output jacks 5 DATA PORT jack An amp control device such as the ACD1 or ACU16 C can be connected to the DATA PORT jack for monitoring or controlling the amplifier from the external device 6 AMP ID switch When an amp control device such as the ACD1 or ACU16 C is connected to the DATA PORT jack 5 the AMP ID switch can b...

Page 8: ...t can be connected varies depending on the rated input of the speakers The PC3301N can be connected to speakers with a total rated input of up to 625 W For example if you connect five speakers with a rated input of 5 W 25 W thirty speakers with a rated input of 10 W 300 W and twenty speakers with a rated input of 15 W 300 W the amplifier can be used with a total rated speaker input of 625 W as sho...

Page 9: ... jut out from the terminals and touch the chassis The following shows how the cable should look when correctly attached Note to users in the USA Please use Class 3 wiring PC9501N PC6501N PC4801N Please use Class 2 wiring PC3301N PC2001N 4 Reattach the protective cover over the speaker terminals Speakon connector 1 Turn off the POWER switch 2 Insert the Neutrik NL4FC plugs into the Speakon connecto...

Page 10: ...ore maximum static pressure Mounting Install the fan kit on the top slot or the top panel of the rack and install a blanking panel between two amps If the unit is rack mounted and transported frequently we recommend that the rear of the unit be supported by fitting a pair of metal brackets one each side Example of mounting The top figure shows an example of a fan kit panels and two fans on the top...

Page 11: ... x 2 800 W x 2 900 W x 2 500 W x 2 600 W x 2 20ms nonclip 4 Ω BRIDGE 4600 W 4600 W 3000 W 3200 W 2400 W 2400 W 1600 W 1800 W 1000 W 1200 W Power Bandwidth MIN 10 Hz 40 kHz THD N 0 5 Half Power Total Harmonic Distortion THD N MAX 0 1 20 Hz 20 kHz Half Power Frequency Response MAX 0 dB RL 8 Ω Po 1 W TYP 0 dB f 20 Hz 50 kHz MIN 1 dB Intermodulation distortion IMD MAX 0 1 60 Hz 7 kHz 4 1 Half Power Ch...

Page 12: ...12 Block Diagram ...

Page 13: ...13 Dimensions 480 88 456 46 4 380 26 25 30 370 30 25 Unit mm ...

Page 14: ...lifier s output circuit Consult your dealer or aYamaha service center The output relay activates to protect the speaker system Line Current A Power W Thermal Dissipation 100 120V 230 240V In Out Dissipated Btu h kcal h standby 0 08 0 04 5 0 5 17 4 idle 1 0 0 5 55 0 55 188 47 1 8 power 8 Ω ch 8 2 4 5 500 250 250 853 215 4 Ω ch 10 5 5 8 682 375 307 1050 264 1 3 power 8 Ω ch 16 8 9 2 1093 667 426 145...

Page 15: ...7 IMPORTANT NOTICE FOR THE UNITED KINGDOM Connecting the Plug and Cord WARNING THIS APPARATUS MUST BE EARTHED IMPORTANT The wires in this mains lead are coloured in accordance with the following code GREEN AND YELLOW EARTH BLUE NEUTRAL BROWN LIVE As the colours of the wires in the mains lead of this apparatus may not correspond with the coloured markings identifying the terminals in your plug proc...

Page 16: ...ns Gata 1 Box 30053 S 400 43 Göteborg Sweden Tel 031 89 34 00 DENMARK YS Copenhagen Liaison Office Generatorvej 6A DK 2730 Herlev Denmark Tel 44 92 49 00 NORWAY Norsk filial av Yamaha Scandinavia AB Grini Næringspark 1 N 1345 Østerås Norway Tel 67 16 77 70 RUSSIA Yamaha Music Russia Office 4015 entrance 2 21 5 Kuznetskii Most street Moscow 107996 Russia Tel 495 626 0660 OTHER EUROPEAN COUNTRIES Ya...

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