Instruction/ maintenance manual of the product XM4220 Yamaha
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POWER AMPLIFIER XM6150 XM4220 Owner’s Manual E.
2 Intr oduction 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 in building PA equipment and its tradition of careful attention to every detail of circuit design.
3 Precautions Contents Controls and Functions ............................................. 4 Front Panel .......................................................... 4 Rear Panel ........................................................... 5 Connection .
4 Contr ols and Functions ■ F r ont P anel 1 POWER switch and indicator This is the main POWER switch. Press to turn on the amplifier. Press it again to turn off.
5 ■ Rear P anel 1 HPF switches These 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-impedance speakers are connected.
6 7 GND terminals This is the grounding screw terminal. If hum or noise occurs, ground (earth) the unit via this jack, or try connecting it to the chassis of the mixer or preamp, etc. 8 Speaker outputs These 5-way binding posts are used to connector speakers.
7 Connection ■ Using a Eur oblock connector 1. If the wire insertion ports are closed, turn the screws on top of the connector counterclockwise to open the ports. 2. Insert the wires into the appropriate ports, following the indication of the pole on the input terminal, turn the screws on top of the connector clockwise to fix the wires.
8 Air Flo w This unit uses a forced cooling system in which air comes in through the front opening and goes out the sides and rear. 4-6.5 x 1 1 88 463 480 Unit : mm 248 4-C15 4-ø4.
9 Specifications ■ Gener al 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.
10 ■ Block Diagr am Note: The block diagram indicated in the dotted frame ( ) applies only to model XM6150.
11 ■ Dimensions Unit: mm D: 319 W: 480 H: 132.
12 T r oubleshooting The following table lists the main causes of abnormal operation and the corrective measures required as well as the protective circuit operation in each case.
YAMAHA CORPORATION V455890 R0 1 AP 16 Pro Audio Di vision, #18/3 P .O . Box 3, Hamamatsu, 430-8651, Japan NP Printed in Taiwan.
An important point after buying a device Yamaha XM4220 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Yamaha XM4220 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Yamaha XM4220 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Yamaha XM4220 you will learn all the available features of the product, as well as information on its operation. The information that you get Yamaha XM4220 will certainly help you make a decision on the purchase.
If you already are a holder of Yamaha XM4220, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Yamaha XM4220.
However, one of the most important roles played by the user manual is to help in solving problems with Yamaha XM4220. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Yamaha XM4220 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
