ACOUSTIC SPECIFICATIONS

ANSI 2.44 TEST

FM Response (PFM R31, R32)

Input:

80 dB random noise

 

 

Device:

KEMAR mannequin with BTK 3550 Tester

Y:

80.0 dB 80 db

Main Y:

34.1 dB

X:

100 Hz + 8 OCT LOG

Main X:

4 kHz

ANSI S3.22–1987 TEST

FM Response (PFM R31, R32)

MINIMUM LOW CUT (TONE SET TO LOW)

Max. SSPL90:

135.8 dB at 500 Hz

HF Avg SSPL90:

127.1 dB

HF Avg Full On Gain:

37.7 dB at 60 dB in

Reference Test Gain:

38.1 dB

Response Limit:

80.1 dB F1=200 Hz, F2=8 kHz

Total Harmonic Dist:

3.6 % at 500 Hz

 

3.9 % at 800 Hz

 

2.2 % at 1600 Hz

MEDIUM LOW CUT (TONE SET TO MID)

Max. SSPL90:

135.5 dB at 600 Hz

HF Avg SSPL90:

127.1 dB

HF Avg Full On Gain:

36.8 dB at 60 dB in

Reference Test Gain:

37.3 dB

Response Limit:

79.4 dB F1=200 Hz, F2=8 kHz

Total Harmonic Dist:

3.4 % at 500 Hz

 

3.4 % at 800 Hz

 

2.2 % at 1600 Hz

MAXIMUM LOW CUT (TONE SET TO HI)

Max. SSPL90:

133.5 dB at 1000 Hz

HF Avg SSPL90:

127.0 dB

HF Avg Full On Gain:

35.4 dB at 60 dB in

Reference Test Gain:

35.8 dB

Response Limit:

78.01 dB F1=200 Hz, F2=8 kHz

Total Harmonic Dist:

1.1 % at 500 Hz

 

2.7 % at 800 Hz

 

2.1 % at 1600 Hz

Environmental Mic Response (PFM R31 Only)

NO TONE MODIFICATION

 

Max. SSPL90:

134.8 dB at 500 Hz

HF Avg SSPL90:

126.4 dB

HF Avg Full On Gain:

40.9 dB at 60 dB in

Reference Test Gain:

40.8 dB

Response Limit:

81.1 dB F1=200 Hz, F2=8 kHz

Total Harmonic Dist:

1.1 % at 500 Hz

 

1.1 % at 800 Hz

 

0.3 % at 1600 Hz

Environmental Mic Response (PFM R31

Only)

Input:

80 dB random noise

 

 

Device:

KEMAR mannequin with BTK 3550 Tester

Y:

80.0 dB 80 db

Main Y:

50.2 dB

X:

100 Hz + 8 OCT LOG

Main X:

4 kHz

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Williams Sound R31, PFM 350E RCH, PFM T32, PFM 300E RCH, PFM R32 system manual Acoustic Specifications, Ansi 2.44 Test