TOA A1724

TOA A1724

A1724 A1724

TOA 2 Zone 240 Watts Public Amp

The A-1700 Series of high-performance mixing-dedicated power amplifiers are ideal for PA applications that value versatility. Specifically designed to satisfy the multi-microphone public address requirements of environmentssuch as places of worship and meeting halls, the A-1700 Series Microphone Mixing Amplifiers focus on operational flexibility as well as advanced functions, proving an ideal cost-effective PA solution.


Power Source AC mains 50/60Hz)
Output 240W
Power Consumption 532W (rated output), 220W (EN60065)
Frequency Response 50 – 20,000Hz ±3dB
Distortion Under 2% at 1kHz, rated power
Input MIC 1 – 6: -60dB*, 600O, electronically-balanced, combined type of XLR-3-31 equivalent and phone jack
AUX 1 – 2: -20dB*, 600O, electronically-balanced, combinedtype 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: -20dB*, 10kO, unbalanced, RCA pin jack
AUX 5: -20dB*, 10kO, unbalanced, combined type of XLR-3-31equivalent and phone jack
PWR AMP IN: 0dB*, 600O, unbalanced, RCA pin jack
(An equalizer or other signal processor connectable between LINE OUT and PWR AMP IN terminals)
Output REC: 0dB*, 600O, unbalanced, RCA pin jack
LINE: 0dB*, 600O, unbalanced, RCA pin jack
SPEAKER SELECTOR: 2 zone, high impedance
(100V line/42O), individual selector key, M4 screw terminal
High impedance (100V line/42O),M4 screw terminal
Low impedance (4 – 16O), M4 screw terminal
(Both Low and High impedance terminals cannot be used at the same time.)
Phantom Power ON or OFF for each MIC 1 – 6 with switch setting
S/N ratio
(Band Pass: 20 – 20,000Hz) Over 100dB (Master volume: min)
Over 76dB (Master volume: max)
Over 60dB (MIC 1 – 4))
Over 53dB (MIC 5, 6)
Over 76dB (AUX 1 – 5)

Tone Control Bass: ±10dB at 100Hz, Treble: ±10dB at 10kHz
Control Input REMOTE VOLUME: M3 screw terminal
POWER REMOTE: No-voltage make contact input, open voltage:24V DC (when the unit’s power is OFF), short-circuit: under 10mA, M3 screw terminal
Indicator 5 point LED output level meter,
Power indicator LED,
Zone indicator LED,
Operating Temperature -10ºC – +40ºC
Finish Panel: ABS resin, black, hair line
Case: Steel plate, black
Dimensions 420 (W) x 107.7 (H) x 367 (D)mm
Weight 13.5kg
Accessory Power cord x 1,
Terminal block cover x 1,
Terminal block cover mounting screw x 2
Option Rack mounting bracket: MB-25B,
Volume control cover: YA-920.
Note* Note: Distance between barriers on the above screw terminals; M3 = 7mm, M4 = 9mm
* 0dB = 1V