Roberts RecordR, Руководство по обслуживанию, Страница: 4 / 25

Specification
SD MP3 ELECTRICAL PERFORMANCE
Model
：
RecordR Brand
：
ROBERTS Temp
：
25
∘
C R.H.
：
75% Date
：
2011/10/11 Ver
：
A Page
：
3/4
Condition Value Test no.
Test Item
Input Output freq Nom. Lim 1. 2. 3.
Unit
Playing
Support playing format MP3/WMA
SD capacity 16MB~8GB
Sample rate 16k/32/64/128/192k bps
Reading time 8GB <10 Sec
100Hz 7 +-2 dB
Playing
freq response Test 1 kHz MP3128kbps 0dB
OUT=R.O=0dB
10K 2 +-2 dB
S/N (with A Filter
）
1 kHz MP3 0dB 128kbps R.O 56 dB
0.5 1 %
THD of playing MP3 1kHz 128kbps 0dB R.O
Vrms
Power consumption
Battery 6V
playing SD only(1K) R.O 200 mA
Output power 1 kHz MP3 0dB 128kbps 10%T. H.D. 1 0.8 W
Record and playing
RC/P gain difference
Record FM DEV 22.5kHz/ 400Hz R.O
measure playing output level
-3 +-3 dB
R/P THD Record FM DEV 75kHz/ 1KHz R.O 1 3 %
S/N Record FM DEV 22.5kHz/ 1KHz R.O 50 dB
Power consumption
Battery 6V
reFM R.O 250 mA
Rewind and playing
RW/P gain difference
Rewind FM DEV 22.5kHz/ 400Hz R.O
measure playing output level
0 +-3 dB
RW/P THD Record FM DEV 75kHz/ 1KHz R.O 1 3 %
S/N Record FM DEV 22.5kHz/ 1KHz R.O 50 dB
Power consumption
Battery 6V
reFM R.O 250 mA
Supply Voltage:
*Adaptor 100-240V 50Hz 7.5V/0.8A
*Battery 6V
R.O.: 50mW Load: 8Ohm Modulation: TONE set at 0
Remark
：
Approved by
Released/Tested by
陳盧生
4