1.APPLICATION:
This specification applies to the belt drive turntable unit BJ-25G.
2.STANDARD TEST CONDITION:
2-1 Ambient Temperature 23 ± 2ºC
2-2 Relative Humidity 65% ± 5%
NOTE: Measurements can be carried out between 5ºC to 35ºC and 45% to 85% relative humidity.
3.TURNTABLE SECTION:
|
3-1 |
Type |
2-speed full manual |
|
3-2 |
Motor |
DC motor |
|
3-3 |
Driving Method |
Belt drive |
|
3-4 |
Turntable platter |
330mm dia. Plastic |
|
3-5 |
Speeds |
33-1/3 and 45 rpm |
|
3-6 |
Wow and Flutter |
Less than 0.25% WRMS (JIS WTD) |
|
3-7 |
S/N ratio |
More than 50 dB (DIN-B) |
|
3-8 |
Pitch Controls |
+/-10% |
|
3-9 |
Starting Time |
Less than 1 sec. |
|
3-10 |
Breaking Time |
Less than 1 sec. |
|
3-11 |
Time for speed change |
Less than 1 sec. |
|
3-12 |
Speed tolerance at pitch=0 |
Within +/3%,-2% |
|
3-13 |
High of cue (first track) |
Nominal 7~9.5mm, Limit 6~10.5mm |
4.TONEARM SECTION:
|
4-1 |
Type |
Static balanced S-shaped tone arm with detachable headshell |
|
4-2 |
Effective Arm Length |
220mm |
|
4-3 |
Overhang |
10mm |
|
4-4 |
Tracking error |
Less than 3 degree |
|
4-5 |
Tracking Force Adjustment range |
0 - 4g |
|
4-6 |
Applicable cartridge weight |
6 - 10g |
|
4-7 |
Anti-skating range |
0 - 4g |
|
4-8 |
Tracking force range of attached cartridge |
3.5 +/- 0.5g |
5.GENERAL SECTION:
|
5-1 |
Power Supply |
AC 115/230V~, 50/60Hz |
|
5-2 |
Power Consumption |
8 Watts |
|
5-3 |
Dimensions |
450(W) x 350(D) x 145(H) mm |
|
5-4 |
Weight |
4.25Kgs |
6.ACCESORIES SUPPLIED
Instruction manual x 1,Headshell x 1, 45 rpm adaptor x 1
7.SPECIFICATION
|
DESCRIPTIONS |
UNIT |
NOMINAL |
LIMIT |
|
(1)Output Difference |
dB |
2.3 |
2.5 |
|
(2)Out put Level |
mv |
1.7~3.5 |
1.5~3.5 |
|
(3)Speed (Speed Range) |
Hz |
2.7K ↓,3.3K ↑ |
2.7K ↓,3.27K ↑ |
|
(4)Speed (Center Range) |
Hz |
2990~3030 |
2940~3090 |
|
(5)Wow and Flutter |
% |
0.23 |
0.25 |
|
(6)Channel separation |
dB |
16 |
15 |
|
Model No.: BJ-25