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A-20 Series Mixer Power Amplifier article
A-20 Mixer Power Amplifiers 30W,60W120W,240W. เครื่องขยายเสียง แบบประกาศหรือฟังเพลงในโรงงาน,หรือสำนักงานขนาดปานกลางถึงขนาดใหญ่ สามารถรับเสียงจาก DVD,Computer,อื่นได้

Mixer Power Amplifier สามารถนำแหล่งเสียงเช่น เครื่องเล่น ipod (ไอพอด) iPhone,เครื่องเล่น MP3, MP4 player, Computer, CD/DVD, Tape มาต่อที่ ช่อง input เครื่องเสียงได้, power amp
High reliability
Passed the numerous test and verifications in Japan
Finish is scratch- and  fingerprint-resistant.
4 models lineup 
A wide range of power outputs from 30W to 240W
High cost-performance
3 MIC inputs and 2 AUX inputs and a recording output 
Phantom power is provided to MIC1, for supplying power to a condenser microphone.
Broad tone conrtol adjustment range of +/-10 dB for both bass and treble

Specifications :

  A-2030 A-2060 A-2120 A-2240
Rated Output 110 -120V AC (L version)/220-240V AC (H version) or 24-30V DC 
Power Consumption 30W 60W 120W 240W
Frequency Response  78W
(AC operation at rated output)
(AC operation at rated output)
(AC operation at rated output)
(AC operation at rated output)
Input  50 - 20.000 Hz (+/- 3 dB)   
Output  MIC 1-3:-60dB, 600 ohms, balanced, phone jack
AUX 1, 2:-20dB, 10k ohms, unbalanced, RCA pin jack
Speaker out  Balanced(floating)   
High impedance 330 ohms(100V), 170ohms (70V) 170 ohms (100V)
83 ohms (70V)
83 ohms (100V)
42 ohms (70V)
42 ohms(100V)
21 ohms (70V)
Low impedance  4 ohms (11V) 4 ohms (15.5V)  4 ohms (22V)   4 ohms (31V)
Rec. out 0 dB, 600ohms, unbalanced, RCA pin jack  0 dB, 600ohms, unbalanced, RCA pin jack  0 dB, 600ohms, unbalanced, RCA pin jack  0 dB, 600ohms, unbalanced, RCA pin jack 
Phantom Power  DC +21V (MIC 1)    
S/N Ratio  Over 60 dB   
Tone Control  Bass: +/- 10 dB at 100k Hz  Treble: +/- 10 dB at 10k Hz   
Muting  MIC1 :Mutes other input signals by 0 - 30 dB attenuation   
Indicator  Power, signal, peak   
Dimensions  420 x 100.9 x 280.3 mm
(16.54" x 3.97" x 11.04") 
420 x 100.9 x 280.3 mm
(16.54" x 3.97" x 14.19")   
Weight 5 kg (11.02 lb)  7 kg (15.43 lb)  10.8 kg (23.81 lb)  13.2 kg (29.1 lb) 
Finish Panel : ABS resin, black  Case : Steel plate, black   


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