Loudspeaker Testing Jiq
Features and Specifications
- Measures loudspeaker driver frequency and phase responses
- Measures loudspeaker relative SPL (absolute SPL possible with external calibration sources)
- Time alignment of loudspeaker drivers in combination with an oscilloscope
- Measures the impedance of loudspeakers, crossover networks
- Measures the value of capacitors, inductors (pH to mH range) and resistors
- Incorporates a microphone preamplifier and small power amp
- Frequency range: 1 0Hz to 20kHz (depending on your sound card)
- Power output; about 5W peak into 8Q (not continuous due to power supply limitations)
- Amplifier gain: switchable between +14dB and +34dB
- Common-mode rejection ratio (CMRR): >60dB on prototype (20Hz to 20kHz)
- THD+N: <0.01% across the audio range
- 50/100Hz hum: more than 1 0OdB below full-scale
- Microphone phantom power: 48V, selectable via header on PCB
- Power supply: 1 5V AC @ 1.2A from a plugpack (no mains wiring)
Loudspeaker Testing Jiq
*PCBWay community is a sharing platform. We are not responsible for any design issues and parameter issues (board thickness, surface finish, etc.) you choose.
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