Application Ran: Mobile phone speakers, receivers, MP3, tablet computers, laptop speakers, low-power TV speakers, etc.
Maximum number of channels that can be connected: 20 channels, divided into two groups, channels 1 to 10 in one group, channels 11 to 20 in another group, and the test parameters (including signal type) of each group can be set independently. The of each channel can be automatically calibrated.
Aging test time 0000:00:00~9999:59:59, maximum 9999h, can be set arbitrarily
Monitoring mode 20 channels simultaneously monitoring, automatic recording and display
Status judgment: open circuit, short circuit or low impedance, over, overcurrent
Fault warning: The location of the fault channel is displayed on the screen
Human-machine interface: industrial computer control, keyboard and mouse input
Sine wave signal nerator: built-in sine wave nerator
Test frequency ran 20Hz ~ 20kHz
Frequency accuracy ±0.05%
Frequency stability: better than 60ppm
Total harmonic distortion (THD) ≤0.5% @ 1w, 1k sine
Selectable sweep function: linear, logarithmic
signal source playback format MP3, WMA, WAV, etc. (flac and other formats can also be played through the player)
Maximum output power per channel 12W
Maximum total output power 300 W
Frequency response 20Hz~20,000Hz (±0.25dB)
Load impedance 4Ω~120Ω
Maximum test current ≤1.500A
Output adjustable ran 0.2V~12V (adjustment accuracy 0.001V)
Instrument interface USB and network interface
New functions: automatic correction
Accuracy ≤2%
True RMS measurement
Accuracy ≤2%
Temperature rise measurement: ran 0~200°C, accuracy ≤5%±1°C
Voice coil DCR resistance measurement: accuracy ≤0.5% (1Ω~40Ω)
High-quality sound source output: sound card plays sound source
Real-time parameter stora: real-time , current, resistance, temperature (txt format saves a whole set of data once in 1s, excel format saves a whole set of data once in 6s)