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
l LCD display output scope and frequency
l This unit has the functions of output delay at power-on and short circuit protection.
l Tool to test the ¡°+¡± and ¡°-¡± polarity of loudspeaker, earphone and dynamic receiver of various types, sizes and impedances
l With easy operation, this unit is widely applied to acoustics, telecommunications and other many fields, and to the loudspeaker and sound box manufacturers in particular.
l Produce the aural signal to test the sound and to accurately identify the polarity and pure tone index of loudspeakers.
Frequency display error
display values 1¡Á104¡À1 words
Sine wave output scope
0---12.8vrms 8¦¸ load
Output voltage display error
Sine wave frequency response
¡À0.4dB (KHZ) status
Sine wave distortion degree
other frequency rangs: ¡Ü0.8%
TTL square wave
Atmospheric pressure: 86-105kpa