- DL manuals
- Yamaha
- Subwoofer
- YST-SW225
- Owner's Manual
Yamaha YST-SW225 Owner's Manual
Summary of YST-SW225
Page 1
Yst-sw225 subwoofer system ub owner’s manual yst-sw225ub.Book page 1 tuesday, july 27, 2004 10:25 am.
Page 2
I important safety instructions 1 read these instructions. 2 keep these instructions. 3 heed all warnings. 4 follow all instructions. 5 do not use this apparatus near water. 6 clean only with dry cloth. 7 do not block any ventilation openings. Install in accordance with the manufacturer’s instructio...
Page 3: We Want You Listening For A
Ii we want you listening for a lifetime yamaha and the electronic industries association’s consumer electronics group want you to get the most out of your equipment by playing it at a safe level. One that lets the sound come through loud and clear without annoying blaring or distortion – and, most i...
Page 4
Iii thank you for selecting this yamaha subwoofer system. Please read the following operating precautions before use. Yamaha will not be held responsible for any damage and/or injury caused by not following the cautions below. • to assure the finest performance, please read this manual carefully. Ke...
Page 5: Contents
1 • voltage selector (asia and general models only) the voltage selector switch on the rear panel of this unit must be set for your local main voltage before plugging this unit into the ac main supply. Voltages are 110-120/220-240 v ac, 50/60 hz. For u.K. Customers if the socket outlets in the home ...
Page 6: Features
2 • this subwoofer system employs advanced yamaha active servo technology ii which yamaha has developed for reproducing higher quality super-bass sound. (refer to page 14 for details on advanced yamaha active servo technology ii.) this super-bass sound adds a more realistic, theater-in-the-home effe...
Page 7: Placement
3 ( : subwoofer, : front speaker) one subwoofer will have a good effect on your audio system, however, the use of two subwoofers is recommended to obtain more effect. If using one subwoofer, it is recommended to place it on the outside of either the right or the left front speaker. (see fig. .) if u...
Page 8: Connections
4 choose one of the following two connecting methods that is more suitable for your audio system. ■ choose (pages 4-5) if your amplifier has line output (pin jack) terminal(s) ■ choose (pages 6-7) if your amplifier has no line output (pin jack) terminal caution: unplug the subwoofer and other audio/...
Page 9
5 connections ■ using one subwoofer ■ using two subwoofers output to speakers input 1 from amplifier input 2 phase auto standby high voltage selector power on off 220v-240v 110v-120v low off norm rev /mono l r output to speakers input 1 from amplifier input 2 /mono l r subwoofer amplifier to ac outl...
Page 10
6 connections select this method if your amplifier has no line output (pin jack) terminal. If your amplifier has two sets of front speaker output terminals and both terminals can output sound signals simultaneously. • connect one set of front speaker output terminals of the amplifier to the input1 t...
Page 11
7 connections if your amplifier has only one set of front speaker output terminals. Connect the speaker output terminals of the amplifier to the input1 terminals of the subwoofer, and connect the output terminals of the subwoofer to the front speakers. ■ using one subwoofer (with speaker cables) ■ u...
Page 12
8 connections for connection, keep the speaker cables as short as possible. Do not bundle or roll up the excess part of the cables. If the connections are faulty, no sound will be heard from the subwoofer or the speakers, or both of them. Make sure that the + and – polarity markings of the speaker c...
Page 13
9 1 power indicator lights up in green while the subwoofer is on. Lights up in red while the subwoofer is set in the standby mode by the operation of the automatic power- switching function. Goes off when the subwoofer is set in the standby mode. 2 standby/on button press this button to turn on the ...
Page 14
10 controls and their functions 5 high cut control adjusts the high frequency cut off point. Frequencies higher than the frequency selected by this control are all cut off (and no output). * one graduation of this control represents 10 hz. 6 volume control adjusts the volume level. Turn the control ...
Page 15
11 this function automatically switches the unit between standby and power-on modes. The subwoofer automatically places itself in standby mode if it does not receive an input signal for 7 or 8 minutes. (the power indicator lights red.) when the subwoofer detects a bass signal input of below 200 hz, ...
Page 16
12 before using the subwoofer, adjust the subwoofer to obtain the optimum volume and tone balance between the subwoofer and the front speakers by following the procedures described below. 1 set the volume control to minimum (0). 2 turn on the power of all the other components. 3 make sure that the p...
Page 17
13 adjusting the subwoofer before use this subwoofer’s frequency characteristics the figures below show the optimum adjustment of each control and the frequency characteristics when this subwoofer is combined with a typical front speaker system. ■ ex.1 when combined with a 4” or 5” (10 cm or 13 cm) ...
Page 18
14 in 1988, yamaha brought to the marketplace speaker systems utilizing yst (yamaha active servo technology) to give powerful, high quality bass reproduction. This technique uses a direct connection between the amplifier and speaker, allowing accurate signal transmission and precise speaker control....
Page 19: Troubleshooting
15 refer to the chart below when this unit does not function properly. If the problem you are experiencing is not listed below or if the instructions given below do not help, disconnect the power cord and contact your authorized yamaha dealer or service center. Troubleshooting problem cause what to ...
Page 20: Specifications
Type .......... Advanced yamaha active servo technology driver ..........................................20 cm (8”) cone woofer magnetic shielding type amplifier output (100 hz, 5 ohms, 10% thd) ................................................................................ 120 w frequency respons ...