Output Power (Rms); Amplification Reserve; Distortion Before Clipping; Front Stage Distortion With High-Level Input Signal - Philips NTX800 Service Manual

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Reference: WX-B-009-01
Model : NTX800

Output power (RMS)

Amplification reserve

Electrical frequency
response in source
direct mode (flat)
DISTORTION before
clipping
Front Stage distortion
with high-level input
signal

Hum

SNR

Sound processing and
features

Sound setting

Confidential
Title: Product Performance Specification
4x750W,
power derating function
n/a
1-2dB
See illustration below
< 0.5%
No clip or THD <1% from
power amplifier
Amp: < 200nW
≥67
dB (unfiltered)
2 band EQ, preset
center frequency: 63Hz,
16kHz;
3 band user EQ mode,
adjustable);
DSC, DBB/3 level,
Nitro(10s)
See separated file
"sound setting"
Page 19 of 25
RMS at 10% THD, Low Frequency
at 500kHz, High Frequency at
10KHz,.Source: CD 0dB FS
RMS at 1% THD, at 1kHz
Source: CD 0dB
AR = output power @ max volume
– output power @10% THD
volume position
in 'Source Direct' mode on both
ohms dummy load and real
speaker, 5W output
Source: CD 0dB FS
FNAC test method :
Use 1kHz and 5kHz 0DB FS
signals
Set volume control to reach 1%
THD
Reduce volume control by 1dB
Then measure distortion
2V Aux in, FM 75KHz deviation,
volume 1 - >Prated -6dB,
subwoofer + satellite channel, all
effective frequencies
Amp: Volume control from min. till
max. – 20 dB
Value true RMS.
AUX IN 0dB, 1KHz
Test power:
5W
4

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