Yamaha XM4220 - User Manual

Page 2 - Introduction; IMPORTANT

2 Introduction Thank you for purchasing a Yamaha 6150, or 4220 XM Series Power Amplifier. The XM Series of power amplifiers was developed from Yamaha’s wealth of experience inbuilding PA equipment and its tradition of careful attention to every detail of circuit design. Thesepower amplifiers feature...

Page 3 - Precautions; Contents

3 Precautions Contents Controls and Functions ............................................. 4 Front Panel .......................................................... 4Rear Panel ........................................................... 5 Connection .....................................................

Page 4 - Controls and Functions; Front Panel

4 Controls and Functions ■ Front Panel 1 POWER switch and indicatorThis is the main POWER switch. Press to turn on theamplifier. Press it again to turn off. The POWERindicator lights up when the amplifier it turned on. 2 PROTECTION indicatorWhen the protection system is active, the PROTEC-TION indic...

Page 5 - Rear Panel

5 ■ Rear Panel 1 HPF switchesThese switches are used to turn on and off the HPF(High Pass Filter) for each channel. When set to ON,frequencies below 80 Hz are filtered using a 12 dB/octave high pass filter.Turn this switch ON if 70V-line, high-impedancespeakers are connected. In Bridge mode, only th...

Page 7 - Connection; Using a Euroblock connector

7 Connection ■ Using a Euroblock connector 1. If the wire insertion ports are closed, turn the screwson top of the connector counterclockwise to open theports. 2. Insert the wires into the appropriate ports, followingthe indication of the pole on the input terminal, turnthe screws on top of the conn...

Page 8 - Air Flow; Rack Mounting

8 Air Flow This unit uses a forced cooling system in which air comes in through the front opening and goes out the sides andrear. 4-6.5 x 1 1 88 463 480 Unit : mm 248 4-C15 4-ø4.5 76.2 71.5 ± 0.1 71.5 ± 0.1 78 78 Fan kit Ventilation panel XM6150/4220 XM6150/4220 Rack Mounting If multiple high-power ...

Page 9 - Specifications; General Specifications

9 Specifications ■ General Specifications XM6150 XM4220 Power Output Level (Rated Power) 8 Ω 100 W x 6 140 W x 4 20 Hz~20 kHz 4 Ω 120 W x 6 180 W x 4 THD+N= 0.2% 8 Ω /BRIDGE 240 W x 3 360 W x 2 1 kHz 8 Ω 120 W x 6 170 W x 4 THD+N= 0.2% 4 Ω 150 W x 6 220 W x 4 8 Ω /BRIDGE 300 W x 3 440 W x 2 70.7V/BR...

Page 10 - Block Diagram

10 ■ Block Diagram Note: The block diagram indicated in the dotted frame ( ) applies only to model XM6150

Page 11 - Dimensions

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 case. Protection Circuit Remedy Possible Cause Indicator CLIP indicator lights up PROTECTION indicator lights up There is a short...

Page 13 - YAMAHA CORPORATION

YAMAHA CORPORATION V455890 R0 1 AP 16 Pro Audio Division, #18/3 P.O. Box 3, Hamamatsu, 430-8651, Japan NP Printed in Taiwan

Yamaha XM4220 - User Manual

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