SP395 SoundPro Audio Integrator Form7492 Operation Manual
6
TechBench™ Module
Level Meter: Stereo level meter reads in dBu, dBv, Vp-p, Vrms, or dBr
(reference)
Frequency Range: 10 Hz to 22 kHz
Auto-level ranging.
Level Range: -120 dBu to +40 dBu
Level Accuracy (–85 dBu to +40 dBu): ±0.2 dB, 10 Hz to 22 kHz
Typical: ±0.01 dB, 100 Hz to 16 kHz; ±0.05 dB, 10 Hz to 22 kHz
Level Resolution: 0.01 dBu
Frequency Counter:
Frequency Range: 16 Hz to 40 kHz
Accuracy: ±5%
Resolution: 1 Hz
Amplitude Sweep: Graphical display of 1/3 and 1/12 frequency response
User adjustable frequency range
Impedance Sweep: Graphical display of 1/3 and 1/12 octave impedance values
User adjustable frequency range
Distortion Meter: THD+N – Computes Total Harmonic Distortion plus Noise
Compares level of output harmonics and noise to single test frequency
Test Frequencies: 63 Hz, 125 Hz, 250 Hz, 500 Hz, 1 kHz, 2 kHz, 4 kHz
IMD – Computes Inter-modulation Distortion
Compares levels of output sum and difference frequencies to dual test frequencies
Test Types: SMPTE 60/7kHz, DIN 250/8kHz.
Inputs: Speaker, microphone, line level.
Range: 0.02% to 50% THD+N
Accuracy: ±5% of reading
Phase Meter: Shows the phase difference in degrees between 2 sine waves
Crosstalk Meter: Displays the amount of isolation that exists between two audio
sources
Displayed in dB
Audio Scope: Shows audio signal on an oscilloscope-like screen
Dual-trace, auto-triggering
AC-only input coupling (down to approx. 3 Hz)
X-Y mode for phase display
Sample rate: Hz
Accuracy: ±1 display pixel
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