SIM-2201 Sound Analyzer
Specifications
|
Frequency Range
|
...
|
8 Hz to 22 kHz
|
|
Screen Update Rate
|
... |
<0.7 sec (Frequency Response or Spectrum Mode)
|
|
|
... |
0.2 sec to 1.3 sec (Delay Finder Mode) (1)
|
|
| Frequency Resolution |
|
Frequency Response Mode (Transfer Function)
|
...
|
1/3, 1/6, 1/24 octave (selectable)
|
|
Spectrum Mode (Single Channel)
|
... |
1/6 octave (fixed)
|
|
| Averaging of Data |
|
Frequency Response Mode
|
...
|
2 to 16 Vector or RMS, sliding, performed on a per-frequency-bin
basis
|
|
Delay Finder Mode
|
... |
1 to 999 Vector, linear accumulator
|
|
Delay Finder Accuracy
|
... |
±10 µsec time, ±0.5 dB amplitude (lower trace)
|
|
| Amplitude Accuracy (Frequency Response and Spectrum Modes) |
|
Absolute
|
...
|
±0.1 dB 20 Hz to 20 kHz, Input (A) and Output (B); ±0.15
dB 20 Hz to 20 kHz, Mic (C)
|
|
-1 dB Points
|
... |
8 Hz and 22.5 kHz
|
|
Channel Matching
|
... |
0.1 dB Input (A) to Output (B), 10 Hz to 20 kHz, ±1 degree
phase matching
|
|
|
... |
0.4 dB Input (A) or Output (B) to Mic (C), 20 Hz to 20 kHz
|
|
Signal Analysis Linearity
|
... |
THD <0.025% with full scale signal
|
|
| Minimum Resolvable Signal |
|
Input (A), Output (B)
|
... |
< -90 dBV Spectrum Mode (<-105 dBV midband), <-70 dBV Frequency
Response Mode
|
|
Mic (C)
|
... |
<-115 dBV Spectrum Mode, <-75 dBV Frequency Response Mode
|
|
Maximum Measurement Signal Range
|
... |
<1 µVrms (Mic channel) to >28Vpk (A or B
Input) |
|
Gain Range
|
... |
-20 to +50 dB relative gain, switched in eight
10 dB steps |
|
| Measurement Inputs |
|
Impedance
|
... |
10k ohms (A or B) balanced ISO™ Input, 5k ohms unbalanced;
8k ohms (mic), balanced
|
|
Phantom Power (Mic only)
|
... |
48 VDC ±2 V, switchable on/off
|
|
Maximum Input Signal
|
... |
26.0 dBV Input (A), Output (B), -4.0 dBV Mic (C)
|
|
| A/D Converters (3 simultaneous channels) |
|
Type
|
... |
16 bit Sigma Delta, 64 times oversampling, 3rd order noise
shaping for 94 dB dynamic range
|
|
Anti-aliasing filters
|
... |
30-pole FIR digital and 5th order linear phase analog
|
|
| Signal Generator |
|
Output
|
... |
16 bit Sigma Delta, 64 times oversampling, 3rd order noise
shaping for 94 dB dynamic range
|
|
Sine Wave
|
... |
30-pole FIR digital and 5th order linear phase analog
|
|
Noise
|
... |
Pink spectrum ±1.5 dB, 20 Hz to 20 kHz
|
|
Pulse (Frequency Weighted)
|
... |
Average repetition rate 1.25 sec, time modulated
|
|
| Front Panel |
|
Controls
|
... |
Source Level control, Sine Frequency, Phantom Power switch,
Phones Level control, Phones source select switches (3), System
Reset switch
|
|
Indicators
|
... |
Power, Disk, Generator source waveforms on/off, Phantom power
on/off, Measurement inputs on/off, Phones sources on/off,
Measurement input levels (20 segment LED bar displays), Input
Overload
|
|
Connectors
|
... |
Input (A), Output (B) and Mic (C), 3-pin XLR female; Source,
3-pin XLR male; Phones, 3 circuit monophonic 1/4-inch phone
jack, 32 ohms minimum impedance; Keyboard, 5-pin DIN
|
|
| Rear Panel |
|
Connectors
|
... |
Audio Interface, 39-pin Whirlwind W-1 female; Control Bus,
D-25 female; Video Output, D-15 high density male; Serial
Interface, D-9 male; RS-232 Serial Interface, D-25 male; Parallel
Interface, D-25 female; Power, IEC receptacle
|
|
| Power |
|
|
... |
90-250 VAC switchable in two ranges, 50/60 Hz, 300 watts
|
|
| Notes |
|
1. Screen update rate in Delay Find Mode is dependent on record
length.
|
|
|
|
