1. Use for Testing the spurious noise of the loudspeaker headphone loudspeaker system ... etc., suitable
for use in production line R& D quality control and incoming parts inspection department.
2. Low Distortion Sine Wave
THDf0.15% , 20Hz~ 20 kHz. Best suitable for testing the spurious noise of the SPK. and other
3. Digital Display Voltmeter and Frequency Counter, complies the need for precise test.
4. Has both manual and auto logarithmic sweeps. Allows random setting of start stop frequency for
5. Simple to operate, non-experts can operate
6. Four kinds of built-in power amplifier which are optional to buy. ( 20W, 60W, 100W & 200W ) . All
designed with triple protection circuitries which permit long-term short circuit.
7. High resolution ( 0.001V ) voltmeter :
Low voltage needed in testing the receiver & headphone can be obtained precisely by using coarse &
fine volume control.
8. With the supplement of frequency fine adjustment, the precise lowest resonant Fo value of Loudspeaker
can be easily obtained.
9. Excellent reliability :
With the accumulation of more than 20 years experience in professional design, 7116C has ultra low
faulty rate, high reliability, can sustain whole day continuous testing.