TOA A‐2120 H เครื่องขยายเสียงระบบ ประกาศ 120 วัตต์ 

he A-2120 is a high cost-performance mixer power amplifier suited for broadcasting paging or background music in schools, offices, shops, factories, mosques, churches, and large rooms. 

Specification 

Power Source 

220 - 240 V AC, or 24 - 30 V DC 

Rated Output 

120 W 

Power Consumption 

124 W (EN60065), 260 W (AC operation at rated output), 

8 A (DC operation at rated output) 

Frequency Response 

50 - 20,000 Hz (±3 dB) 

Distortion 

Under 1% at 1 kHz, 1/3 rated power 

Input 

MIC 1 - 3: -60 dB*, 600 Ω, balanced, phone jack 

AUX 1,2: -20 dB*, 10 kΩ, unbalanced, RCA pin jack 

Output 

Speaker out: Balanced (floating) 

High impedance: 83 Ω (100 V), 42 Ω (70 V) 

Low impedance: 4 Ω (22 V) 

Rec out: 0 dB*, 600 Ω, unbalanced, RCA pin jack 

Phantom Power 

DC +21 V (MIC 1) 

S/N Ratio 

Over 60 dB 

Tone Control 

Bass: ±10 dB at 100 Hz 

Treble: ±10 dB at 10 kHz 

Muting 

MIC 1: Mutes other input signals by 0 - 30 dB attenuation 

Indicator 

Power, signal, peak 

Finish 

Panel: ABS resin, black 

Case: Steel plate, black 

Dimensions 

420 (W) × 100.9 (H) × 360.3 (D) mm (16.54" × 3.97" × 14.19") 

Weight 

10.8 kg (23.81 lb)