A-230

PA Amplifier

A-230

The A-230 is a power amplifier well-suited for paging broadcasts and supplying background music in restaurants, pubs, shops, houses of worship, and so on.

Simple package amplifier with compact and lightweight body, suitable for paging and background music distribution.
Three microphone inputs, one auxiliary input and 100V/4-ohm speaker outputs.
Sure high performance with wide frequency response, and low noise and distortion.
Either AC or DC operation.
Comfortable acoustic spaces thanks to tone controls at bass and treble.
Attenuation of other input signals from 0 to –30dB by Mic 1 input signal.

Specifications A&E Specs Downloads

* 0 dB = 1 V

Power Source

240 V AC, 50 Hz

Rated Output

30 W

Power Consumption

34 W (AC operation at EN60065)

Frequency Response

50 Hz - 20 kHz

Distortion

1 % or less at 1 kHz, 1/3 rated power

Input

MIC 1: -60 dB* (1.0 mV), 600 Ω, Unbalanced, Equivalent to 5-pin DIN Type
MIC 2: -60 dB* (1.0 mV), 600 Ω, Unbalanced, Equivalent to phone jack Type
AUX 1, 2: -20 dB* (100 mV), 10 kΩ, unbalanced, RCA pin jack

Output

Speaker out: Floating balanced
High impedance: 330 Ω (100 V)
Low impedance: 4 Ω (11 V)

Tone Control

Bass: -10 dB at 100 Hz
Treble: -10 dB at 10 kHz

Signal to Noise Ratio

60 dB or more (MIC 1, 2)
70 dB or more (AUX 1, 2)

Muting

MIC 1 overrides other Mic input and AUX inputs with 0 - 30 dB attenuation, attenuation by switch

Indicator

Power LED, Signal LED

Operating Temperature

-10 °C to +40 °C (14 °F to 104 °F)

Finish

Panel: ABS resin, black, hairline
Case: Steel plate, black, paint

Dimensions

350 (W) x 105 (H) x 240 (D) mm (13.78" x 4.13" x 9.45")

Weight

3.5 kg (7.72 lb)

Please download Datasheet to access full specifications.

The package amplifier shall operate on 240 V AC, 50 Hz power, and deliver an audio output of 30W. The product shall control and mix 2 unbalanced (5-pin DIN/phone jack) MIC and 2 unbalanced (RCA pin jack) AUX inputs. The amplifier shall include 100V or 4 ohm floating balanced outputs with screw terminal type connections. Frequency response shall be 50 Hz to 20 kHz, with less than 1% THD at 1/3 rated output. The S/N ratio shall be 60 dB or more (MIC), 70 dB or more (AUX). The amplifier shall incorporate a muting function that allows MIC 1 to override by switch the other inputs (MIC 2 and AUX 1, 2) with 0 to 30 dB attenuation. The amplifier shall include Bass/Treble controls. Power and signal indicators shall be provided. Current limiter circuitry shall protect transistors against a failure due to overheat. The panel shall be ABS black resin with hairline, and the case black steel plate. Dimensions shall be 350 (W) x 105 (H) x 240 (D) mm, and weight 3.5 kg.
The package amplifier shall be TOA model A-230 or equivalent.

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