A-3648D Digital Mixer Amplifier

A-3648D Digital Mixer Amplifier

A-3648D

TOA's A-3600D series is a PA amplifier equipped with 4 microphone inputs and 3 auxiliary inputs and 2-channel zone selector. It also features Volume control function, Priority function, Chime function and Remote confirmation function. In addition, it is equipped with a 2-channel input BUS of BUS 1 and BUS 2, and the signal processing function. The A-3600D series is ideal for paging announcement and BGM applications in schools, offices and supermarkets.

(*1) 0 dB = 1 V
Power Source 100 - 240 V AC, 50/60Hz
Rated Output 480 W
Power/Current Consumption 601 W (Rated output), 113 W (based on EN62368), 
200 mA or less (when power switch is OFF)
Frequency Response 50 Hz - 20 kHz ±3 dB (1/8 rated output)
Distortion 1 % or less at 1 kHz, rated power (20 kHz LPF (AUX-0025))
Tone Control Bass: ±10 dB at 100 Hz
Treble: ±10 dB at 10 kHz
S/N Ratio 88 dB or more (Master volume: min.)
76 dB or more (Master volume: max.)
55 dB or more (INPUT 1 - 6)
72 dB or more (INPUT 7)
(A-weighted)
Audio Input INPUT 1, 2: -60 dB(*1)(MIC) / -20 dB (*1) (LINE) selectable, 600 Ω, electronically-balanced, removable terminal block (3 pins)
Note: MIC inputs are equipped with phantom power (24V DC, ON/OFF switchable)
INPUT 3, 4: -60 dB(*1), 600 Ω, electronically-balanced, removable terminal block (3 pins)
Note: MIC inputs are equipped with phantom power (24V DC, ON/OFF switchable)
INPUT 5, 6: MIC (BUS 1) / LINE (BUS 2) selectable 
 MIC : -60 dB(*1), 600 Ω, electronically-balanced, removable terminal block (3 pins)
 LINE: -20 dB (*1), 10 kΩ, unbalanced, RCA pin jack x 2
INPUT 7: -20 dB(*1), 10 kΩ, unbalanced, RCA pin jack x 2
PWR AMP IN: 0 dB (*1), 600 Ω, unbalanced, RCA pin jack
Input Bus INPUT 1 - 4: BUS 1
INPUT 5 - 6: BUS 1/BUS 2 selectable
INPUT 7: BUS 2
Audio Output Speaker out: Low impedance (4 - 16 Ω) / 
                    High impedance (DIRECT, ZONE 1, ZONE 2: 100 V / total 21 Ω), removable terminal block (6 pins)
                    (ZONE 1 / ZONE 2 is selectable, max. 480 W per output)
Rec out: 0 dB(*1), 600 Ω, unbalanced, RCA pin jack
Line out 1, 2: 0 dB (*1) , 600 Ω, unbalanced, RCA pin jack (Interlock with zone selection is possible)
Control Input 4 channels. no-voltage make contact input, open voltage: 35 V DC or less, 
Short circuit current: 10 mA or less, removable terminal block (4 pins)
REMOTE VOLUME: Removable terminal block (4 pins)
ZONE CONTROL IN: No-voltage make contact input, even voltage: 35 V DC or less, 
short-circuit current: 10 mA or less, removable terminal block (4 pins)
Control Output POWER REMOTE OUT: Open collector output, withstand voltage: 30 V DC or less, control current: 25 mA or less, removable terminal block (4 pins)
EMERGENCY OUT: Open collector output, withstand voltage 30 V DC or less, control current: 25 mA or less, removable terminal block (4 pins)
ZONE CONROL OUT: Open collector output, withstand voltage 30 V DC or less, control current: 25 mA or less, removable terminal block (4 pins)
Chime 1-note, 2-note, or ascending, 4-note chime, or None selectable with switch setting
Indicator 5-point LED output level meter, Power LED, LAN connect LED, Priority LED, Emergency LED, Thermal protection LED, Over current protection indicator LED, CPU RUN LED, Error LED, Zone 1 LED, Zone 2 LED
Operating Temperature -10°C to +40°C
Operating Humidity 85 %RH or less (no condensation)
Finish Panel: ABS resin, black
Case: Surface-treated steel plate, black, paint
Dimensions 420 (W) × 96.1 (H) × 313.1 (D) mm
Weight 5.2 kg 
Accessory Power Cord (2 m) x 1, Audio Input Removavble Terminal Plug (3.81 mm, 3 pins) x 6, Control I/O Removable Terminal Plug (3.81 mm, 4 pins) x 4, Remote Control Removable Terminal Plug (3.5 mm, 4 pins) x 2, Speaker Out Removable Terminal Plug (5 mm, 6 pins) x 1, Volume Control Cover x 4
Option Rack mounting bracket: MB-25B
Perforated panel: PF-013B

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