04-31, Skudai Parade
Shopping Complex,
Batu 10, Jalan Skudai,
81300 Skudai, Johor,

Lot 3, Block B,
Subang Light Industrial Park,
Off Jalan Subang 2, USJ 1,
47610 Subang Jaya,
Selangor, Malaysia.

14, Jalan Medan Ipoh 9,
Bandar Baru Medan,
31400 Ipoh,
Perak, Malaysia.


W-912A.In-Wall PA Amplifier

     PA/Sound System ---    TOA    ---

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W-912A.In-Wall PA Amplifier


Type In-Wall Mounting 6 Channel Mixer Power Amplifier
Output Power 120W RMS
Power Bandwidth
(D)20 to 20,000 Hz, 0.5% THD
(T)50 to 20,000 Hz, 0.5% THD
Frequency Response
(D) 30 to 20,000 Hz ±1 dB 
(T) 30 to 15,000 Hz ±1 dB 
(T) 30 to 20,000 Hz +1dB, -2 dB
Total Harmonic Distortion 0.02% at 1 kHz, Rated Output
Six Input Ports ; 100mV / 10kohms 
Each port accepts any input module except T-01S. 
(Use T-01S only in port #5 or #6) 
One Bridging Input/Output ; 100mV / 3.3kohms
(T) 8 ohms, 25 V & 70 V, Balanced 
(D) 4 ohms, Unbalanced
Output Regulation (1kHz)
(D) Less Than 0.5 dB, No Load to Full Load 
(T) Less Than 1.0 dB, No Load to Full Load
S/N Ratio
(Band Pass : 20 to 20,000 Hz 
Controls OFF ; 90 dB 
Equalizer IN ; 88 dB 
Master Volume Max. ;77 dB 
Compressor IN ; 84 dB
Attack Time ; No Greater Than 2msec. 
Compression Range ; 30 dB 
Release Time ; Variable 20msec. to 2 sec 
Distortion ; Less Than 1 %
9-band One-octave Graphic Equalizer
Center Frequencies ; ISO 63, 125, 250, 500, 1k, 2k, 4k, 8k, 16kHz 
Equalization Range ; ±12 dB
High-pass Filter ; 180 Hz, 12 dB / octave 
Low-pass Filter ; 7kHz, 12 dB / octave
1 LED Power Indicator 
1 LED Peak Indicator
Protection Circuitry
Built-in with 2 AC Fuse (1 inside) and 1 Output Circuitry 
Output Circuitry Protection when Heatsink Temperature Overheats
Input #1 to #6 ; Card-edge Connector 
Output ; Screw-terminal strip 
Bridging Input/Output ; Screw-terminal Strip 
Mute ; Screw-terminal strip
Power Requirement 120 V AC, 60 Hz
Power Consumption 100 W
User's Space (Blank Panel)
Size (WxHxD) ; 101.6 (4") x 60.3 (2.4") x 95.3 (3.8") mm 
Effective Space for Customizing 
Optional expanding kit WE-2 may be loaded.
Weight 17.3 kg (38.14 lbs) ; Without Input Modules and Back Box
Color Silver
Accessories Volume Control Cover x 3 pcs
Associated Equipment
Plug-in Modules for Input ; M-01S, U-01S, B-01S, L-01S, I-01S 
Plug-in Modules for Input with MUTE ; U-11S, U-12S, B-11S, L-11S, M-11S 
Plug-in Modules for Input with Remote Volume Control Facility ; M-21S, U-21S 
Plug-in Modules for Line Output ; T-01S 
Plug-in Modules for Tone Signal ; S-01S, S-02S, S-03S 
Volume Control Cover ; YA-910 
Expanded Kit ; WE-2


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