Bang & Olufsen BeoSound 1 2581 Guide De Réparation Du Centre De Service page 7

1.6 Specifi cation guidelines
SPECIFICATION GUIDELINES FOR SERVICE USE
With FM
Preamplifi er section
Total harmonic distortion + Noise R, L
Response vs. frequency:
AUX in
Input impedance, AUX
Output impedans, AUX
Max. input signal, AUX
Signal-to-noise ratio:
AUX, A-weighted
Channel separation
Channel unbalance
Source separation
Headphones output impedans
Tuner, FM section
FM range (50kHz grid)
FM range for type 2584 - Japan
FM aerial impedance
Usable sensitivity mono
50dB quieting sensitivity mono
50dB quieting sensitivity stereo
Signal-to-noise ratio mono
Signal-to-noise ratio stereo
Frequency response stereo
THD + noise mono
THD + noise stereo
Inter modulation distortion stereo
Alternate channel selectivity
Number of programmes
IR Operation
CD player
CD, disc types
Frequency response
SNR (digital zero)
Dynamic range
THD Ref: 1KHz 0dB
D/A converter
Dimensions
W x H x D / Weight
Cabinet fi nish
Power consumption
BeoSound 1
Type 2581 EU
Type 2582 GB
Type 2583 USA-CDN
Type 2584 J
Type 2585 AUS
Type 2586 TWN
Type 2587 KOR
Type 2590 LAT
<0.1%/1kHz
20 - 20,000Hz ±1dB
>30KΩ
<2KΩ
1.5V
>90dB
>50dB
±1.5dB
>80dB
27Ω ±10%
87.5 - 108MHz
76 - 90MHz
75Ω
13dBf
20dBf
45dBf
67dB
61dB
30 - 15,000Hz + 1.5/-1dB
0.4%
0.5%
>57dB
>50dB
59
Beo4
12 cm (5"), 8 cm (3")
20 - 20,000Hz ±1dB
>96dB / 101dB A-weighted
>96dB
<0.1 %
Bitstream + Analog fi lter
510 x 342 x 162 mm/ <7 kg
Black plastic
Typical 12 watts / stand-by 0.55 watts