1. APPLICATION:
This specification applies to the belt drive turntable unit BJ-U25
2. STANDARD TEST CONDITION:
2-1 Ambient
Temperature
23 +/- 2 degC
2-2 Relative
Humidity
65% +/- 5%
NOTE: Measurements can be carried out between 5 degC to 35 degC 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
331/3 and 45 rpm
3-6 Wow and
Flutter
Less than 0.25 % WRMS (JIS WTD) with 331/3rpm
3-7 S/N
Ratio
More than 50dB (DIN-B)
3-8 Pitch
Controls
+/- 10%
3-9 Starting
Time
Less than 1 sec with 331/3
3-10 Braking
Time
Less than 1 sec. with 331/3
3-11 Time for Speed
Change Less
than 1 sec. from 331/3 to 45 rpm.
Less than 1 sec. from 45 to 331/3 rpm.
3-12 Speed tolerance at
pitch=0
Within +/-1.3%
3-13 USB
Function
USB rec. Function
A/D,D/A
16BIT 44.1KHz or 48KHz USB SELECTABLE
Computer interface
USB 1.1 COMPLIANT WINDOWS XP or MAC OSX
4. TONEARM SECTION:
|
4-1 Type
|
Static balanced S-shaped tonearm with detachable
headshell
|
|
4-2 Effective Arm Length
|
220 mm
|
|
4-3 Tracking Error Angle
|
Less than 3 degree
|
|
4-4 Applicable Cartridge Weight
|
6~10g
|
|
4-5 Anti-skating Range
|
0-4g
|
|
4-6 Phono Output Level
4-7 Line Output Level
|
1.5~3.6 mV at 1KHz 5cm/sec (HP-4005)
90~216mV at 1KHz 5cm/sec (HP-4005)
|
|
4-8 Frequency Response
|
20Hz-20KHz
|
|
4-9 Channel Separation
|
More than 15dB
|
|
4-10 Channel Balance
|
Within 2.5dB at 1KHz
|
|
4-11 Needle Pressure range
|
3~4g
|
|
4-12 High of cue(first track)
|
6~10.5mm
|
|
4-13 Descend of cue
|
1~3sec
|
5. EQ AMP:
5-1
Output
150mV +/-4dB (IN: 2.5 mV 1KHz)
5-2
RIAA
20Hz~20KHz +1/-3dB (IN: 1.5 mV 1KHz)
6. GENERAL SECTION:
6-1 Power
Supply
AC 115/230V, 50/60Hz
6-2 Power
Consumption
8 Watts
6-3
Dimensions
450 (W) x 350 (D) x 145 (H) mm
6-4
Weight
4 Kgs
7. ACCESSORIES SUPPLIED
Instruction manual x 1,
Headshell x 1, Cartridge x 1
45 rpm adaptor x 1,
Counter weight x 1,
Platter x1, Slipmat x 1,
USB cable x 1, RCA cable x 1
Dust cover x 1
8. SPECIFICATION
|
DESCRIPTIONS
|
UNIT
|
NORMAL
|
LIMIT
|
|
(1) Output Difference
|
dB
|
2.3
|
2.5
|
|
(2) Phono Output Level
|
mv
|
1.7~3.5
|
1.5~3.6
|
|
(3) Line Output Level
|
mv
|
102~210
|
90~216
|
|
(4) Speed (Speed Range) 33/45 rpm+/- 10%
|
Hz
|
2700↓,3300↑
|
2700↓,3270↑
|
|
(5) Speed (Center Range)
|
Hz
|
2990~3030
|
2940~3090
|
|
(6) Wow and Flutter
|
%
|
0.23
|
0.25
|
|
(7) Channel separation
|
dB
|
16
|
15
|
NOTE: CARTRIDGE(AT3600L)
|