TOA / A-3524D PA Amp

TOA / A-3524D is a PA amplifier with a built-in priority function and 2-station zone selector in addition to 4 systems with a microphone and 1 system with a backup input. Ideal for call broadcasts and BGM broadcasts at schools, offices, supermarkets, etc.

This is a PA amplifier with a built-in priority function and 2-station zone selector in addition to 4 microphone inputs and 1 backup input. Moreover, the PFC circuit is adopted. Ideal for call broadcasts and BGM broadcasts at schools, offices, supermarkets, etc.


■ Power supply
AC100 V 50/60 Hz
■ Rated output
240 W
■ Power consumption / current
329 W (at rated output), 70 W (according to the Electrical Appliance and Material Safety Law), 200 mA or less (when the power switch is off)
■ Frequency characteristics
50 Hz to 20 kHz ± 3 dB (at 1/8 rated output)
■ Distortion rate
1% or less (1 kHz rated output), 20 kHz LPF (AUX-0025)
■ Sound quality adjustment
± 10 dB or more at 100 Hz and 10 kHz
■ SN ratio
Master volume (minimum): 88 dB or more
Master volume (maximum): 76 dB or more
INPUT 1-4: 55 dB or more
INPUT5: 72 dB or more
(JIS-A)
■ Voice input
INPUT 1,2: -60 dB (* 1) (microphone) / -20 dB (* 1) (line) switchable 600 Ω electronic balance detachable terminal block (5P) / φ6.3 horn jack (2P)
* Microphone is phantom power DC24V (can be turned on / off with a switch)
INPUT3: -60 dB (* 1) 600 Ω Electronic balance φ6.3 horn jack (2P)
INPUT4: -60 dB (* 1) (microphone) / -20 dB (* 1) (line) switchable 600 Ω electronic balance φ6.3 horn jack (2P)
INPUT5: -20 dB (* 1) 10 kΩ unbalanced RCA pin jack x 2
Power amplifier: 0 dB (* 1) 600 Ω unbalanced RCA pin jack
■ Audio output
Speaker: Low impedance (4 to 16 Ω) / High impedance (Direct, ZONE1 / ZONE2: 100 series / Synthetic 42 Ω) Detachable terminal block (6P)
(ZONE1 / ZONE2 is selectable, maximum 240 W per 1ZONE)
Recording: 0 dB (* 1) 600 Ω unbalanced RCA pin jack
Lines 1, 2: 0 dB (* 1) 600 Ω unbalanced RCA pin jack (* Can be linked with zone selection)
■ Control input
2 systems, non-voltage make contact, open circuit voltage: DC35 V or less, short-circuit current: 10 mA or less
Detachable terminal block (5P)
Zone control input: Non-voltage make contact Open circuit voltage: DC35 V or less, short-circuit current: 10 mA or less Detachable terminal block (4P)
■ Control output
Remote output: Open collector output Withstand voltage: DC 30 V or less, Allowable current: 25 mA or less Detachable terminal block (4P)
Emergency output: Open collector output Withstand voltage: DC 30 V or less, Allowable current: 25 mA or less Detachable terminal block (4P)
Zone control output: Open collector output (with polarity) Withstand voltage: DC 30 V or less, Allowable current: 25 mA or less Detachable terminal block (4P)
■ Display
5-point LED level meter, power indicator, priority broadcast indicator, emergency broadcast indicator, temperature protection occurrence indicator, overcurrent protection occurrence indicator, zone 1 indicator, zone 2 indicator
■ Operating temperature range
-10 ° C to + 40 ° C
■ Operating humidity range
85% RH or less (but no condensation)
■ Finish
Panel: ABS resin black (Munsell N1.0 approximate color)
Case: Surface-treated steel plate black (Munsell N1.0 approximate color) painting
■ Dimensions
420 (W) x 96.1 (H) x 313.1 (D) mm
■ Mass
4.9 kg
■ Accessories
Power cord (2 m) ... 1, Detachable terminal plug for voice input (3.81 mm, 5P) ... 2, Detachable terminal plug for control input / output (3.81 mm, 4P) ... 2, Detachable for remote control Type terminal plug (3.5 mm, 4P) ... 1, Detachable terminal plug for speaker output (5 mm, 6P) ... 1, Volume cover ... 4
■ Sold separately
Rack mount bracket: MB-23B
Ventilation panel: PF-013B
(* 1) 0 dB = 1 V