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R215C
User Manual
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Yamaha R15M, R112, R12M, R118WC, R115C User Manual

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SPEAKER SYSTEMS
R112/R112C R115/R115C R215/R215C R12M/R12MC R15M/R15MC
SUBWOOFER
R118W/R118WC
Owner’s Manual
使用手卌
ENGLISH
漢語
Contents
Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Connection Examples . . . . . . . . . . . . . . . . . . . . . . 4
Full-range Connection . . . . . . . . . . . . . . . . . . . . 4
Using a Channel Divider and Subwoofers. . . . . . 5
Phone Plug Wiring . . . . . . . . . . . . . . . . . . . . . . . 5
Neutrik NL4FC Plug Wiring . . . . . . . . . . . . . . . . 6
Speaker Cable Selection . . . . . . . . . . . . . . . . . . . 6
Suspended Installation . . . . . . . . . . . . . . . . . . . . . . 6
Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
感謝您購買 YAMAHA 揚聲器系統。為了充分發揮這些 揚聲器的全部優點和卓越的性能 , 並確保可靠性和 長壽命 , 建議您在設定和使用揚聲器之前 , 請仔細 閱讀本使用手卌並妥為保管 , 以備今后查閱。
目錄
注意事項 連接例
全音域連接 使用通道分頻器和副低音揚聲器 耳機插頭接線 Neutrik NL4FC 插頭接線
揚聲器電纜選擇 懸挂安裝 規格 技術資料
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-10
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
. . . . . . . . . . . . 12
. . . . . . . . . . . . . . . . . . . . . . . . . . 12
. . . . . . . . . . . . . . . . . . 13
. . . . . . . . . . . . . . . . . . . . . . . . 13
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Precautions
WARNING
In case an abnormality occurs during operation
• If you notice any abnormality, such as smoke, odor, or noise, turn the power amp off immediately. Remove the power cord from the AC outlet. Consult your dealer for repair. Using the unit in this condition is a fire and electrical shock hazard.
CAUTION
ENGLISH
Installation Operation
• When choosing a location for your speakers, avoid the fol­lowing:
- Direct sunlight, high temperatures (such as near heaters),
or excessively low temperatures.
- High humidity.
- Areas subject to excessive dust accumulation and vibra-
tion.
- Non-level or unstable surfaces.
• To prevent short circuits or breakage of cables, always dis­connect cables prior to moving system equipment.
• When using two or more speaker systems, be sure match the polarity (+/–) of the speaker system connectors to those at the amplifier. If the polarities do not match, the sounds produced by the speakers will interfere with each other, making it im­possible to achieve a well-balanced sound field.
• This unit is heavy. Use two or more people to carry it.
• To avoid damage to your speakers and other parts of your sys­tem, when you turn on your system, ALWAYS turn the pow­er amp on last! This will avoid loud, damaging pops that will annoy your audience, and blow your speakers. When you power down, the amplifier should ALWAYS be turned off first to avoid the same problems.
• Always turn the power switches of system components OFF prior to connecting or disconnecting cables. Failure to do so may result in damage to speakers as well as to connected equipment.
• Do not output distorted sounds for long periods of time, as this will cause the speaker to heat up, leading to a fire hazard.
2
To protect your speakers
Poly Switch
When choosing a power amplifier to use with your
speakers, make sure that its power output matches the
speakers’ power capacity (refer to the Specifications on
page 7). Even if the amplifier’s power output is lower
than the speakers’ PGM (program) power capacity, the
speakers may be damaged when clipping of a high input
signal occurs.
The following may cause damage to speakers:
• Feedback caused when using a microphone.
• Continuous high sound pressure level produced by
electronic instruments.
• Continuous high-power output distorted signals.
• Popping noises caused by turning on equipment, or
by connecting or disconnecting system components
while the amplifier is turned on.
This product, when used in combination
with amplification and/or additional
loudspeakers, may be capable of produc-
ing sound levels that could cause perma-
nent hearing loss.
All full-range loudspeakers are fitted with a self-reset-
ting poly switch that protects the high-frequency driver
from damage caused by excessive power.
If a loudspeaker cabinet loses high-frequency output,
immediately remove power from the unit and wait for
two to three minutes. The should allow the poly switch
to reset. Re-apply power and check the performance of
the high-frequency driver before continuing with the
power reduced to a level that does not cause the poly
switch to interrupt the signal.
On the R118W/R118WC sub woofer, the Poly Switch
protects the woofer and a similar routine should be fol-
lowed if its output is lost.
ENGLISH
DO NOT operate at high volume levels
or at a level that is uncomfortable. If you
experience any discomfort or ringing in
the ears, or suspect an hearing loss, you
should consult an audiologist.
3

Connection Examples

■ Full-range Connection

Each speaker features three input/parallel connectors – two 1/4" phone jacks and one Neutrik NL4MP connector. Use either a phone jack or the Neutrik connector to receive input from your sound system/power amplifier. One of the spare connectors can be used to parallel-connect an additional speaker (keeping in mind the impedance considerations mentioned below).
ENGLISH
MIXING
CONSOLE
L
R
GRAPHIC
EQUALIZER
L
R
POWER
AMPLIFIER
L
R
NL4MP
SPEAKER SYSTEMS
PhonesNeutrik
DAISY-CHAINED
SPEAKER SYSTEMS

Impedance Considerations

We do not recommend connecting more than two 8-ohm speakers in parallel. Two parallel-connected 8-ohm speakers have a total impedance of 4 ohms, which is the minimum that should be connected to one amplifier output channel. The R112/R112C, R115/R115C, R12M/R12MC, R15M/R15MC and R118W/R118WC are 8-ohm speakers, and two of these can safely be paralleled on one output. The R215/R215C, however, has an impedance of 4 ohms and should not be parallel-connected with another R215/ R215C or any other model.
4

■ Using a Channel Divider and Subwoofers

Using a channel divider in a multi-way system like the one shown in the diagram can provide superior dynamic range and overall sound quality. The channel divider divides the line-level audio from the preamplifier or mixing console into separate frequency bands that are then sent to separate power amplifiers. The power amplifiers drive speaker systems selected for optimum performance in the corresponding frequency ranges.
SPEAKER SYSTEMS
MIXING
CONSOLE
L
R
TWO-CHANNEL
GRAPHIC
EQUALIZER
L
INPUTS
R
LEFT
RIGHT
CHANNEL
DIVIDER
TWO-CHANNEL
POWER AMPLIFIER
LEFT
HIGH
INPUT
RIGHT
TO POWER AMP INPUTS
LEFT
LOW INPUT
RIGHT
TWO-CHANNEL
POWER AMPLIFIER
ENGLISH
L
L
OUTPUT
R
R
R118W/R118WC
L
L
OUTPUT
R
R
SPEAKER SYSTEMS

■ Phone Plug Wiring

Phone plugs for connection to the phone jack inputs should be wired as shown to the right. Be sure to use proper speaker cable – NOT shielded instrument or line cable – for all speaker connections.
R118W/R118WC
5

■ Neutrik NL4FC Plug Wiring

■ Speaker Cable Selection

ENGLISH

Suspended Installation

If you will be using the Neutrik connectors for speaker input, wire the plugs as shown use proper speaker cable – NOT shielded instrument or line cable – for all speaker connections.
Speaker cables must carry a significant amount of current in order to drive a high-power speaker system. For this reason it is important to use heavy-gauge speaker cable for all speaker connections. Other types of cable can dramatically limit performance as well as being a fire hazard.
to the right
. Be sure to
1+ : HOT(+)
1– :COLD (–)
Neutrik NL4FC connector
2– (NO USE)
2+ (NO USE)
1 The R112/R112C and R115/R115C can
be used in suspended “flying” rigs by using optional long eye bolts (M10) and an appropriate suspension wire. For this type of installation replace the three bolts on the top and back of the speaker with the long eye bolts.
Bolts
M10 long eye bolts(Optional)
2 Refer to the diagram to the right for
suspended installation details. Make sure that all wire and fittings used – including the ceiling structure – are strong enough to support the speakers.

Suspension Cautions

• Installation should be carried out by experienced personnel.
• Some fittings may deteriorate due to wear or corrosion over extended periods of time. The installation should be checked thoroughly at regular intervals for safety.
• Use only the specified M10 long eye bolts.
• Always suspend the speakers using all three long eye bolts.
• Never use the speakers' handles as suspension points.
Maximum 45 Degrees
6
Specifications
Model R112/R112C R12M/R12MC R115/R115C R15M/R15MC R215/R215C
Type 2Way Bass reflex Bass reflex
Speaker Unit LF 12" Cone 15" Cone 15" Cone × 2 18" Cone
HF 1.75" v.c.Comp. Driver —
40 Hz
-
Frequency Range
Power Capacity
Nominal Impedance 8 ohms 4 ohms 8 ohms
Sensitivity
Nominal Dispersion
Cross Over Frequency 1.7 kHz 1.5 kHz —
Input Connectors SPEAKON NL4MP × 1, 1/4" Phone Jack × 2
Dimensions (W × H × D) 480 × 695 ×
Weight 26.5 kg 24.0 kg 35.0 kg 30.5 kg 69.0 kg 49.5 kg
Color Black
Mounting Screw M10 3points — M10 3points — — —
*
NOISE
PGM 400 W 500 W 1000 W 500 W
MAX 800 W 1000 W 2000 W 1000 W
Horizontal 90˚ 40˚ 90˚ 40˚ 90˚ —
Vertical 40˚ 90˚ 40˚ 90˚ 40˚ —
55 Hz - 20 kHz (–10 dB) 50 Hz - 20 kHz (–10 dB)
200 W 250 W 500 W 250 W
97 dB SPL (1W,1 m) 98 dB SPL (1W,1 m)
400 mm
675 × 450 ×
380 mm
520 × 765 ×
470 mm
745 × 490 ×
400 mm
20 kHz
(–10 dB)
520 × 1175 ×
600 mm
R118W/
R118WC
35 Hz - 3 kHz
(–10 dB)
97 dB SPL
(1W,1 m)
562 × 811 ×
639 mm
ENGLISH
695
R112/R112C
75˚
480
R15M/R15MC
*: EIA RS-426
Specifications and descriptions in this owner’s manual are for information purposes only. Yamaha Corp. reserve the right to change or modify products or specifications at any time without prior notice. Since specifications, equipment or options may not be the same in every locale, please check with your Yamaha dealer.
R115/R115C
75˚
520
R118W/R118WC
105˚
400
450
R12M/R12MC
120˚
30˚
765
380
675
R215/R215C
102.5˚
77.5˚
105˚
470
490
745
120˚
30˚
400
1175
520
600
811
639
562
7

Technical Data

R112/R112C/R12M/R12MC
110
100
90
ENGLISH
80
70
RESPONSE (dB)
60
R215/R215C
110
100
20
FREQUENCY (Hz)
R115/R115C/R15M/R15MC
110
100
90
32
16
8
4
10k1k100
80
70
RESPONSE (dB)
60
20
32
16
8
4
10k1k100
FREQUENCY (Hz)
R118W/R118WC
110
100
90
80
70
RESPONSE (dB)
60
20
FREQUENCY (Hz)
90
16
8
4
2
10k1k100
80
70
RESPONSE (dB)
60
20
32
16
8
4
10k1k100
FREQUENCY (Hz)
8
Yamaha Manual Library
http://www2.yamaha.co.jp/manual/english/
M.D.G., Pro Audio & Digital Musical Instrument Division, Yamaha Corporation
© 2002 Yamaha Corporation
209AP-01A0
Printed in China
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