Mitsubishi Heavy Industries SRK25GZ-L1 Handbook page 812

FDC-HKX
(d) Cassetteria type (FDR)
Measured based on JIS B 8616
Mike position as below
(i) Canvas duct Panel type
Model FDRJ22HKXE2
Noise level 42 dB (A) at HIGH
40 dB (A) at MEDIUM
37 dB (A) at LOW
Mid octave band frequency (Hz)
Models FDRJ71HKXE2, 90HKXE2
Noise level 44 dB (A) at HIGH
41 dB (A) at MEDIUM
38 dB (A) at LOW
Mid octave band frequency (Hz)
(ii) Silent Panel type
Model FDRJ22HKXE2
Noise level 41 dB (A) at HIGH
39 dB (A) at MEDIUM
36 dB (A) at LOW
Mid octave band frequency (Hz)
810
Unit
Model FDRJ28HKXE2
Noise level 43 dB (A) at HIGH
41 dB (A) at MEDIUM
38 dB (A) at LOW
Mid octave band frequency (Hz)
Model FDRJ112HKXE2
Noise level 46 dB (A) at HIGH
43 dB (A) at MEDIUM
39 dB (A) at LOW
Mid octave band frequency (Hz)
Model FDRJ28HKXE2
Noise level 42 dB (A) at HIGH
40 dB (A) at MEDIUM
37 dB (A) at LOW
Mid octave band frequency (Hz)
1.5m
Mike (center & low points)
Models FDRJ45HKXE2, 56HKXE2
Noise level 44 dB (A) at HIGH
41 dB (A) at MEDIUM
38 dB (A) at LOW
Mid octave band frequency (Hz)
Model FDRJ140HKXE2
Noise level 47 dB (A) at HIGH
44 dB (A) at MEDIUM
40 dB (A) at LOW
Mid octave band frequency (Hz)
Models FDRJ45HKXE2, 56HKXE2
Noise level 43 dB (A) at HIGH
40 dB (A) at MEDIUM
37 dB (A) at LOW
Mid octave band frequency (Hz)