TOA A1706

Mixer Power Amplifier

 With Zone Selector (60W)

Overview

Equipped with 6 Microphone inputs and 5 AUX inputs (simultaneous use of 9 inputs possible), TOA's A-1706, A-1712, and A-1724 PA Amplifiers are designed to suit PA system applications such as announcements, GM and broadcasting in mosques, churches, large rooms and factories.
Features
  • Power output of 60 W (A-1706), 120 W (A-1712), and 240 W (A-1724).
  •  All microphone inputs are provided with phantom powering (ON/OFF selectable) and electronically-balanced combined XLR/phone jack connectors.
  • Convenient 2 zone-selector switches for broadcasting.
  •  An equalizer or other signal processor connectable between PWR AMP IN and LINE OUT terminals to make fine sound adjustment.
  •  Tone controls (bass and treble).
  • Output level meter
  • Master volume control for overall input signal level adjustment.

Specifications

Power Source

220 V - 230 V AC, 50/60 Hz

Rated Output

60 W

Power/Current Consumption

150 W (rated output), 60 W (EN60065), 150 mA or less (when power switch is OFF)

Frequency Response

50 Hz - 20 kHz (±3 dB)

Distortion

2 % or less at 1 kHz, rated power

Input

MIC 1 - 6: -60 dB*, 600 Ω, electronically-balanced,
combined type of XLR-3-31 equivalent and phone jack
AUX 1 - 2: -20 dB*, 600 Ω, electronically-balanced,
combined type of XLR-3-31 equivalent and phone jack
(Either MIC 5 or AUX 1, and either MIC 6 or AUX 2 selectable)
AUX 3 - 4: -20 dB*, 10 kΩ, unbalanced, RCA pin jack
AUX 5: -20 dB*, 10 kΩ, unbalanced,
combined type of XLR-3-31 equivalent and phone jack
PWR AMP IN: 0 dB*, 600 Ω, unbalanced, RCA pin jack
(An equalizer or other signal processor connectable between LINE OUT
and PWR AMP IN terminals)

Output

REC: 0 dB*, 600 Ω, unbalanced, RCA pin jack
LINE: 0 dB*, 600 Ω, unbalanced, RCA pin jack
SPEAKER SELECTOR: 2 zone, high impedance (100 V line/167 Ω), individual selector key,
M4 screw terminal
DIRECT SPEAKER OUT: High impedance (100 V line/167 Ω), M4 screw terminal
Low impedance (4 - 16 Ω), M4 screw terminal
(Both Low and High impedance terminals cannot be used at the same time.)

Phantom Power

ON or OFF for each MIC1 - 6 with switch setting (+17 V DC)

S/N Ratio (Band Pass : 20 Hz - 20 kHz)

100 dB or more (Master volume: min)
76 dB or more (Master volume: max)
60 dB or more (MIC 1 - MIC 4)
53 dB or more (MIC 5, MIC 6)
76 dB or more (AUX 1 - AUX 5)

Tone Control

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

Control Input

REMOTE VOLUME: M3 screw terminal
POWER REMOTE: No-voltage make contact input,
open voltage: 28 V DC (when the unit's power is OFF),
short-circuit: 10 mA or less, M3 screw terminal

Indicator

5 point LED output level meter, Power indicator LED, Zone indicator LED

Operating Temperature

-10 ℃ to +40 ℃

Finish

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

Dimensions

420 (W) × 107.7 (H) × 367 (D) mm

Weight

9.3 kg

Accessory

Power cord ……1, Terminal block cover ……1, Terminal block cover mounting screw ……2

Option

Rack mounting bracket: MB-25B
Volume control cover: YA-920

FUNCTIONS:

REAR

CONNECTIONS: