รายละเอียดย่อ :
เครื่องขยายเสียง 8-Channel Mixer Power Amplifier
 
รายละเอียดทั้งหมด :
  
TOA A-912MK2 เครื่องขยายเสียง 8-Channel Mixer Power Amplifier 
The A-912MK2 Mixer Power Amplifier controls and mixes up to eight independent input signals. The Mixer Power Amplifier delivers up to 120 watts of output power. Optional plug-in modules are available for use with mixer power amplifier to provide versatility for a wide range of operating applications. 
  
| Type | 
8-channel mixer power amplifier | 
 
| Power Requirement | 
AC mains, 120 V, 60 Hz | 
 
| Power Consumption | 
180 W | 
 
| Output Power | 
120 W RMS | 
 
| Power Band Width | 
(D) 20 〜 20,000 Hz, 0.5% THD, (T) 50 〜 20,000 Hz, 0.5% THD | 
 
| Frequency Response | 
(D) 20 〜 20,000 Hz, ±1 dB (T) 20 〜 15,000 Hz, ±1 dB, (T) 20 〜 20,000 Hz, +1 dB, -3 dB | 
 
| T.H.D | 
0.02% at 1 kHz, rated output | 
 
| Inputs | 
Eight Input Ports : Each port accepts any input modules. One Bridging Input/Output | 
 
| Input Sensitivity /Impedance | 
Input Port #1 to #8 : 100 mV/10 kΩ Bridging Input/Output : 100 mV/3.3 kΩ | 
 
| Preamp OUT /Power Amp IN | 
1000 mV into 600 Ω/1000 mV, 10 kΩ | 
 
| Outputs(T)=Transformer (D)=Direct | 
Main (T) : 8 Ω, 25 and 70 volts, balanced, Main (D) : 4 Ω, unbalanced Aux : 10 kΩ, 1 V | 
 
| 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 〜 20,000 Hz) Tone defeat switch on | 
Master volume min : 90 dB Master volume max : 77 dB Power amplifier only : 105 dB | 
 
| Tone Controls | 
Bass : ±10 dB at 100 Hz, Treble : ±10 dB at 10 kHz | 
 
| Controls | 
8 Input gain control 1 Master gain control 1 Bass control 1 Treble control 1 Power ON/OFF switch 1 Tone defeat switch 1 Low-Cut switch (60 Hz, 6 dB/octave) | 
 
| Indicators | 
1 Power LED, 1 Protect LED, 1 Signal LED, 1 Normal LED, 1 Peak LED | 
 
| Protection | 
Self-protection, with AC fuse (inside) | 
 
| Connectors | 
Input No.1 to No.8 : Card-edge connector Bridging, Mixer preamp. output, Power amp. input, Aux output : RCA phono jack Output : Screw-terminal strip Mute, Remote VR : Screw-terminal strip AC outlet : 3-pin grounding type AC power cord/plug : SJT, 3-prong type | 
 
| Temperature Range | 
-10℃ 〜 +60℃ (12゜F 〜 140゜F) | 
 
| Finish | 
Black | 
 
| Dimensions(W×H×D) | 
420(16.54") × 99.1(3.90") × 358(14.09") mm | 
 
| Weight | 
11.4 kg (25.13 lb.) | 
 
| Accessories | 
Volume control cover (YA-920)……4 | 
 
| Option | 
Rack mounting bracket (MB-25B) | 
 
 
 
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