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NAD T955 Manuel D'installation page 10

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  • FRANÇAIS, page 12
TROUBLESHOOTING
NO SOUND
NO SOUND ON ONE CHANNEL
NO SOUND ON SURROUND CHANNELS
NO SOUND ON CENTER CHANNEL
WEAK BASS/ DIFFUSE STEREO IMAGE
SPECIFICATIONS
AMPLIFIER SECTION
CONTINUOUS AVERAGE POWER OUTPUT
INTO 8 OHMS OR 4 OHMS
(Minimum power per channel, 20 Hz - 20 kHz, all five channels driven, with no more than rated distortion)
Rated Distortion
(THD 20 Hz - 20 kHz)
Clipping power
(Maximum continuous power per channel, all five channels driven)
IHF DYNAMIC POWER
(Maximum short term power per channel)
8 ohms:
4 ohms:
2 ohms:
Damping factor
(Reference 8 ohms at 50Hz)
Input Impedance
Input sensitivity
Voltage gain
Frequency response 20 Hz - 20 kHz
Signal / Noise ratio, A-weighted
DIMENSIONS AND WEIGHTS
Net Weight
Shipping Weight
Dimension (W H D)
*Gross dimensions include feet, volume knob, power button and extended speaker termianls.
Specifications are subject to change without notice. For updated documentation and features please log onto
www.nadelectronics.com for the latest information about your T955.
10
T955 ML - e.indd 10
All manuals and user guides at all-guides.com
PROBLEM
Power AC lead unplugged or power not
switched on
Speaker not properly connected or
damaged.
Input lead disconnected or damaged
No surround mode selected
Mono sound source
Speakers not properly connected
Surround volume level too low
Speaker not connected properly
Center volume level set too low
Speakers wired out of phase
>100 W (20.0 dBW)
<0.03%
>130 W
> 150 W (22 dBW)
> 250 W (24 dBW)
> 330 W (25.2 dBW)
> 250
R = 20 kΩ
C = 380 pF
1000mV ±50mV
(for rated output into 8 ohms)
29 dB
±0.2 dB
- 3dB at 3 Hz and 70 kHz
>102 dB ref. 1 W
48 Ib (21.8kg)
55.1Ib (25kg)
Net
17.2 x 6.1 x 15.2"(435 x 155 x 387mm)
*Gross
17.2 x 6.6 x 16.5"(435 x 169 x 419mm)
CAUSE
Check if AC lead is plugged in and power
switched on
Check connections and speakers
Check leads and connections
Select a Surround Mode
Test system with Stereo or Dolby Surround
material
Check speakers and connections
Increase surround volume level
Check speaker and connection
Increase center volume level
Check connections to all speakers in the
system
SOLUTION
5/16/06 4:50:24 PM

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