A-903MK2

8-Channel Mixer Power Amplifier

A-903MK2

The A-903MK2 Mixer Power Amplifier controls and mixes up to eight independent input signals. The Mixer Power Amplifier delivers up to 30 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.

Spécification Téléchargements

Type

8-channel mixer power amplifier

Source d’alimentation

AC mains, 120 V, 60 Hz

Power Consumption

60 W

Output Power

30 W RMS

Power Bandwidth

(D) 20 to 20,000 Hz, 0.5% THD, (T) 50 to 20,000 Hz, 0.5% THD

Frequency Response

(D) 20 to 20,000 Hz, ±1 dB
(T) 20 to 15,000 Hz, ±1 dB, (T) 20 to 20,000 Hz, +1 dB, -3 dB

Total Harmonic Distortion

0.02% at 1 kHz, rated output

Input

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) : 4 Ω, 25 and 70 volts, balanced, Main (D) : 8 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

Signal to Noise Ratio

Master volume min : 90 dB
Master volume max : 77 dB
Power amplifier only : 105 dB

Tone Control

Bass : ±10 dB at 100 Hz, Treble : ±10 dB at 10 kHz

Control

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)

Indicator

1 Power LED, 1 Protect LED, 1 Signal LED, 1 Normal LED, 1 Peak LED

Protection

Self-protection, with AC fuse (inside)

Connector

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

Operating Temperature

-10 °C to +60°C (12 °F to 140 °F)

Finish

Black

Dimensions

420(16.54") x 99.1(3.90") x 318(12.52") mm

Weight

7.8 kg (17.20 lb.)

Included Accessories

Volume control cover (YA-920)……4

Optional Accessories

Rack mouting bracket (MB-25B)