SPA-1

SPA-1
Rated output: 300W
Output adjustment rate: from full load to no load, less than 3dB
Output mode: 8Ω balanced output, 70V, 100V constant voltage output
Auxiliary output:> 95Db
Input: Mic 1,2,3: 600Ω, 2.0mV (-54dBV), unbalanced / AUX1,2: 10kΩ, 100mV (-20dBV), unbalanced
Frequency response: 100Hz 16kHz
Harmonic distortion: less than 0.1% at 1 kHz
S/N Ratio: Microphone 1,2and 3: 66dB AUX 1 and 2: 70dB
Size: 430 X 125 x 380 (mm)
Weight: 14Kg
• Three microphone input ports, two auxiliary input ports, one auxiliary output port, public address.
• 100V, 70V constant voltage output and 40hms constant resistance (balanced, ungrounded) output.
• There is a silent function, which is convenient for inserting priority broadcast.
• Independent volume control for each channel.
• Treble and bass tone control.
• 5 unit LED level meter, it is easy to observe the output level.
• Output short circuit protection and alarm. (Light flashes)
Details
technical parameter: | |
Rated output | 300W |
Output adjustment rate | From full load to no load, less than 3dB |
Output method | 8Ω balanced output, 70V, 100V constant voltage output |
Auxiliary output | > 95Db |
Enter | Mic 1,2,3:600Ω, 2.0mV(-54dBV),unbalanced AUX1,2: 10kΩ, 100mV(-20dBV),unbalanced |
Frequency response | 100Hz 16kHz |
Harmonic distortion | Less than 0.1% at 1 kHz |
Signal to noise ratio | Microphone 1,2and 3: 66dB AUX 1 and 2: 70dB |
Pitch adjustment | Bass: ± 10dB at 200Hz Treble: ± 10dB at 200Hz |
Protection | AC fuse X 1, DC output, overload protection |
Mute function | MIC 1 input covers other inputs (attenuation 0 -30dB) |
Power supply | AC 220 240 / 50 60Hz |
Power consumption | 500W |
Size | 430 X 125 x 380 (mm) |
Weight | 14Kg |
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