Yamaha 150 Manuel d'utilisateur Page 1

POWER AMPLIFIERXH150Owner’s ManualEPOWERPOWER AMPLIFIER XH SERIESPOWER SIGNAL CLIP SIGNALCLIPPROTECTIONCH A CH BON OFF

10Specifications General SpecificationsPower Output Level (Rated Power) 150 W + 150 W20 Hz~20 kHz, THD+N= 0.1% RL= 64Ω/100 V, RL= 32Ω/70 VPower Band

11 Block DiagramAmpVOLTAGEOUTPUT10kHz5kHz80Hz40Hz40Hz80Hz5kHz10kHz100V70VCLIPSIGNALINVSPEAKERSCHANNEL BCHANNEL AOFFHPFLOW CUTOFFLPFHIGH CUTHIGH CUTLP

12TroubleshootingThe following table lists the main causes of abnormal operation and the corrective measures required, as well as theprotective circui

YAMAHA CORPORATIONV294640 R2 1 IP 16 Pro Audio Division, #18/3P.O. Box 3, Hamamatsu, 430-8651, JapanNP Printed in Taiwan

2IntroductionThank you for purchasing a Yamaha XH150 power amplifier.The development of the XH150 was enriched by Yamaha’s wealth of experience in bui

3Precautions• 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 i

4Controls and Functions Front PanelPOWERPOWERSIGNAL CLIP SIGNALCLIPPROTECTIONCH A CH BON OFF34211 POWER switch and indicatorThis is the main POWER

5 Rear PanelFILTERCHANNEL B CHANNEL AINPUTCHANNEL B CHANNEL AINPUTCHANNEL B CHANNEL ASPEAKERSCHANNEL B70V = 32Ω/CHANNEL100V = 64Ω/CHANNELCHANNEL AGGO

6 Connecting SpeakersThe XH150 series enables you to connect multiple high-impedance speakers in parallel that support 70 V or 100 Vline output. The

7You can also connect multiple speakers with a different rated input to a single channel. For example, you can connectten speakers with a rated input

8Caution for Connection1. Turn off the POWER switch.2. Remove the cover attachment screws and remove theprotective cover from the speaker terminals.Sc

9Rack Mounting Mounting in an EIA standard rackIf multiple high-power amp units are mounted in a rack with poor ventilation, the heat from the amps w