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
