Philips NTX800 Service Manual page 8

Reference: WX-B-009-01
Model : NTX800
5.8 Others .................................................................................................................................................... 18
6 Acoustic Performance: ................................................................................................................................. 18
6.1 System Overview ................................................................................................................................... 18
6.2 Sound Quality Benchmarking................................................................................................................. 18
6.3 Main Set Specifications.......................................................................................................................... 18
Output power (RMS) ...................................................................................................................... 19
Amplification reserve ...................................................................................................................... 19
Electrical frequency response in source direct mode (flat) .............................................................. 19
DISTORTION before clipping ......................................................................................................... 19
Front Stage distortion with high-level input signal ........................................................................... 19
Hum ............................................................................................................................................... 19
SNR ............................................................................................................................................... 19
Sound processing and features ...................................................................................................... 19
Sound setting ................................................................................................................................. 19
6.4 Speaker Driver Specifications ................................................................................................................ 20
Size and numbers of speaker driver ............................................................................................... 20
Membrane area .............................................................................................................................. 20
Rated IMPEDANCE ....................................................................................................................... 20
Long term noise POWER ............................................................................................................... 20
EFFICIENCY .................................................................................................................................. 20
T/S parameter target ...................................................................................................................... 20
FREQUENCY RESPONSE at 0 degree in baffle ............................................................................ 20
FREQUENCY RESPONSE at 30 degrees in baffle ........................................................................ 20
FREQUENCY RESPONSE at 60 degrees in baffle ........................................................................ 20
FREQUENCY RESPONSE at 0 degree in free air ......................................................................... 20
DISTORTION (THD) ...................................................................................................................... 21
Magnet material and shielding version ........................................................................................... 21
Diaphragm material ........................................................................................................................ 21
Frame ............................................................................................................................................ 21
Leakage prevention Cushion .......................................................................................................... 21
6.5 Speaker Box Specifications ................................................................................................................... 21
CROSSOVER filter target complexity ............................................................................................. 21
Net internal acoustic volume .......................................................................................................... 21
Bass port /Passive radiator design ................................................................................................. 21
Passive Radiator ............................................................................................................................ 21
Speaker box material and thickness ............................................................................................... 21
Internal construction ....................................................................................................................... 21
Speaker driver mounting ................................................................................................................ 21
Leakage Prevention Approaches.................................................................................................... 21
Box edges profile ........................................................................................................................... 22
Confidential
Title: Product Performance Specification
Page 6 of 25
©
A