Yamaha 150 - Manuals - manualsarea.com

Page 2 - Introduction; Thank you for purchasing a Yamaha XH150 power amplifier.; IMPORTANT

2 Introduction Thank you for purchasing a Yamaha XH150 power amplifier. The development of the XH150 was enriched by Yamaha’s wealth of experience in buildingPA equipment and its tradition of precision circuit design technology. This amp is dedicatedto driving high-impedance speakers, and feature hi...

Page 3 - Precautions; Contents

3 Precautions • Connect this unit’s power cord only to an AC outlet ofthe type stated in this Owner’s Manual or as markedon the unit. Failure to do so is a fire and electricalshock hazard. • Do not allow water to enter this unit or allow the unitto become wet. Fire or electrical shock may result. • ...

Page 4 - Controls and Functions; Front Panel; • When the amplifier is powered on:

4 Controls and Functions ■ Front Panel POWER POWER SIGNAL CLIP SIGNAL CLIP PROTECTION CH A CH B ON OFF 3 4 2 1 1 POWER switch and indicatorThis is the main POWER switch. Press to power ONthe amplifier. Press again to power OFF. The POWERindicator lights up when the amplifier is powered ON. 2 SIGNAL ...

Page 5 - Rear Panel; dB and; • Barrier strip; • HIGH CUT switch

5 ■ Rear Panel FILTER CHANNEL B CHANNEL A INPUT CHANNEL B CHANNEL A INPUT CHANNEL B CHANNEL A SPEAKERS CHANNEL B 70V = 32 Ω /CHANNEL 100V = 64 Ω /CHANNEL CHANNEL A G G OUTPUT VOLTAGE CHANNEL B CHANNEL A LOW CUT LOW CUT 40Hz 40Hz OFF OFF 80Hz 80Hz HIGH CUT HIGH CUT 5kHz 5kHz 20 15 10 6 3 70V 100V 0 –...

Page 6 - Connecting Speakers; Rated input

6 ■ Connecting Speakers The XH150 series enables you to connect multiple high-impedance speakers in parallel that support 70 V or 100 Vline output. The number of speakers that can be connected varies depending on the speakers’ rated input. You canconnect speakers with a total rated input per channel...

Page 8 - Caution for Connection; Turn off the POWER switch.

8 Caution for Connection 1. Turn off the POWER switch. 2. Remove the cover attachment screws and remove theprotective cover from the speaker terminals. Screw 3. After removing approx. 15 mm of insulation from theends of the speaker cables, bind the bare ends of thespeaker wires in the corresponding ...

Page 9 - Rack Mounting; Mounting in an EIA standard rack; /min or more maximum wind and 5 mmH; Example of mounting; /min maximum wind and 5 mmH

9 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 theinterior of the amp to become very hot, causing the performance of the amps to be impaired. In particular, whenmounting in a rack whos...

Page 10 - Specifications; General Specifications

10 Specifications ■ General Specifications Power Output Level (Rated Power) 150 W + 150 W 20 Hz~20 kHz, THD+N= 0.1% R L = 64 Ω /100 V, R L = 32 Ω /70 V Power Bandwidth Half Power 10 Hz~40 kHz (THD+N= 0.1%) Total Harmonic Distortion (THD+N) 20 Hz~20 kHz, Half Power 0.1% Frequency Response +0.5, –1 dB...

Page 12 - Troubleshooting

12 Troubleshooting The following table lists the main causes of abnormal operation and the corrective measures required, as well as theprotective circuit operation in each c a se. Protection Circuit Remedy Probable Cause Indicator CLIP indicator lights. PROTECTIONindicator lights. There is a short a...

Page 13 - YAMAHA CORPORATION

YAMAHA CORPORATION V294640 R2 1 IP 16 Pro Audio Division, #18/3 P.O. Box 3, Hamamatsu, 430-8651, Japan NP Printed in Taiwan