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BJ-U25 USB Belt Drive Turntable
Model No.: BJ-U25

Description:
2-Speed full mnual DC motor belt drive turntable with USB record function.The USB function is the best way for a DJ or serious record collectors to get a vinyl library into your computer.

[Specificatoins]

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)