GVS7118 Loudspeaker power amplifier
GVS7118 Loudspeaker power amplifier specially for experiment with 60 W power output can be used with GVS7116C Automatic Oscillation Sweeper. It is featured by easy to simple operation and easy-to-use. GVS7118 has triple protection functions: in case of overload, overvoltage, or short circuit, this instrument will automatically shut off the output to protect from damage; the sine wave distortion is usually less than 0.1%.
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Low signal distortion
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High accuracy
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Triple protections
Product advantages
The signal distortion is small (0.1%), which is much better than general test power amplifiers.
This machine has protections from overload and short circuit. Even if the output terminal is short-circuited for a long time, it will not be damaged.
The output voltage can be adjusted by the knob on the panel and displayed intuitively.
Multiple units can be connected in series to form a power test bench with 8121C and 7116C. Power experiments can be performed on multiple speakers simultaneously, and their operation are easy.
| Technical specifications of GVS7118 |
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Input terminal | The signal strength should be ≤1.0 Vrms. Generally 0.95 - 1.0 Vrms is the best range. |
Max. output power | 8 Ω load / 1 kHz 60 W (0 - 22 Vrms) |
Frequency range | 20Hz～20kHz ±0.2dB 20kHz～100kHz ±0.1dB |
Sine wave distortion | < 0.15% |
Min. load impedance | ≥3 Ω (mandatory) |
Input impedance | 1MΩ |
Voltmeter accuracy | ≤±（1%rdg +0.3%F.S） |
SNR | ≥45dB |
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