Philips NTX600, Руководство по обслуживанию

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Reference: WX-B-009-01 Title: Product Performance Specification
Model : NTX800 Page 20 of 25
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Electrical frequency response requirement in flat mode
6.4 Speaker Driver Specifications
Supplier Model Number:
No. Item Woofer Mid-high range
Measurement
conditions:
IEC 60268-5
Size and numbers
of speaker driver
8” x 2
4” coaxial mid-high
driver x 2
Membrane area
Piston area >
Rated
IMPEDANCE
8 ohms 8 ohms
Long term noise
POWER
500W , unfiltered 500W , with filter
RMS, 100 hours
pink noise IEC
filtered.
EFFICIENCY
≥ 89 dB/1W/1m ≥ 89 dB/1W/1m
In IEC baffle in
anechoic chamber,
average level on
pink noise in used
frequency range
T/S parameter
target
See driver spec n/a N/A
FREQUENCY
RESPONSE at 0
degree in baffle
See driver spec See driver spec
On IEC baffle, 1/3
octave smoothing, in
anechoic chamber
FREQUENCY
RESPONSE at 30
degrees in baffle
n/a n/a
On IEC baffle, 1/3
octave smoothing, in
anechoic chamber
FREQUENCY
RESPONSE at 60
degrees in baffle
n/a n/a
On IEC baffle, 1/3
octave smoothing, in
anechoic chamber
FREQUENCY
RESPONSE at 0
degree in free air
See driver spec See driver spec
In free air, 1/3
octave smoothing, in
anechoic chamber