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POWER AMPLIFIER

XM6150
XM4220

Owner’s Manual

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Содержание XM4220

Страница 1: ...POWER AMPLIFIER XM6150 XM4220 Owner s Manual E ...

Страница 2: ...low noise cooling fan system ensures high reliability even under the most demanding conditions This Owner s Manual applies to the XM6150 6CH and XM4220 4CH power amplifier In order to take full advantage of your power amplifier and enjoy long and trouble free operation please read this Owner s Manual carefully before using your XM Series Power Amplifier WARNING THIS APPARATUS MUST BE EARTHED IMPOR...

Страница 3: ...r for a replacement Using the unit with a damaged power cord is a fire and electrical shock hazard Do not remove the unit s cover You could receive an electrical shock If you think internal inspection mainte nance or repair is necessary contact your dealer Do not modify the unit Doing so is a fire and electrical shock hazard Cautions When rack mounting the unit allow enough free space around the u...

Страница 4: ...ates if a DC voltage is detected at the amplifier s outputs Once the DC voltage problem is corrected the protection system deactivates automatically and the amplifier is ready for normal operation If the amplifier overheats If the amplifier overheats the protection system activates In this case you should turn off the ampli fier and allow it time to cool down When it has cooled down the protection...

Страница 5: ...ir C D and channel E of pair E F XM6150 only 80 1 3 4 8 7 5 2 6 4 Euroblock connectors These balanced Euroblock connectors are used to connect input signals In Bridge mode only the Euroblock connector of the first channel in the pair is active i e channel A of pair A B channel C of pair C D and channel E of pair E F XM6150 only 5 CH A TO ALL CH switch This switch is used to feed the input signal c...

Страница 6: ...e operation Normal mode Bridge mode Speaker min 8Ω Speaker min 4Ω Speaker min 4Ω In Bridge mode you can connect multiple high impedance speakers that are compatible with 70V line output in parallel The number of speakers you can connect is determined by the rated input of each speaker For each channel you can connect speakers as long as the speakers total rated input does not exceed 150W for XM615...

Страница 7: ... the cover attachment screws and remove the protective cover from the speaker terminals Screw 3 After removing approx 15 mm of insulation from the ends of the speaker cables pass the bare ends of the speaker wires through the holes in the corresponding speaker terminals and tighten the terminals to securely clamp the wires Refer to page 6 for speaker porality 15mm Shown actual size At this time ma...

Страница 8: ... 10 cm or more between the rear panel of the rack and the rear panel of the amplifier Fan Use a fan with 1 5 m3 min or more maximum wind and 5 mmH2 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 Ventilation panel The ventilation panel should be a 1U size and more than 35 of the entire area sh...

Страница 9: ...lanced 15 kΩ Unbalanced Controls Front Panel POWER switch ON OFF Rear Panel Volume 31 position ch BRIDGE switch ON OFF 2ch HPFswitch ON OFF ch fc 80 Hz 12 dB oct CH A TO ALL CH switch Connectors Input XLR 3 31 type ch Euroblock connector Output 5 way binding posts Indicators POWER Green PROTECTION Red CLIP Red SIGNAL Green Protection Circuits POWER switch ON muting DC detection Temp detection heat...

Страница 10: ...10 Block Diagram Note The block diagram indicated in the dotted frame applies only to model XM6150 ...

Страница 11: ...11 Dimensions Unit mm D 319 W 480 H 132 ...

Страница 12: ...mpedance of the connected speaker is too low The heat sink temperature has exceeded 90 C A DC voltage of 2 V or greater was detected in the amplifier s output circuit Locate and remove the short Check the ventilation around the amplifier and improve the airflow if necessary Consult your dealer or a Yamaha service center The PC limiter circuit activates to protect the power transistors The thermal ...

Страница 13: ...YAMAHA CORPORATION V455890 R0 1 AP 16 Pro Audio Division 18 3 P O Box 3 Hamamatsu 430 8651 Japan NP Printed in Taiwan ...

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