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.

 

 

 

SIM II

SIM-2201 Specifications

SIM-2201 Physical

Q&A

Datasheet (PDF)

Addendum (PDF)

SIM II Clients

SIM School

Technology Overview

Labeled Graphics for
Hardware & Connections

Technical Paper