TOA : A-912MK2 HH TOA

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)