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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:
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3-1
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Type
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2-speed full manual
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3-2
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Motor
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DC motor
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3-3
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Driving Method
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Belt drive
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3-4
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Turntable platter
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330mm dia. Plastic
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3-5
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Speeds
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33-1/3 and 45 rpm
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3-6
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Wow and Flutter
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Less than 0.25% WRMS (JIS WTD)
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3-7
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S/N ratio
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More than 50 dB (DIN-B)
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3-8
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Pitch Controls
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+/-10%
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3-9
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Starting Time
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Less than 1 sec.
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3-10
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Breaking Time
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Less than 1 sec.
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3-11
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Time for speed change
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Less than 1 sec.
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3-12
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Speed tolerance at pitch=0
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Within +/3%,-2%
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3-13
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High of cue (first track)
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Nominal 7~9.5mm, Limit 6~10.5mm
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4.TONEARM SECTION:
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4-1
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Type
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Static balanced S-shaped tone arm with detachable
headshell
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4-2
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Effective Arm Length
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220mm
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4-3
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Overhang
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10mm
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4-4
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Tracking error
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Less than 3 degree
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4-5
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Tracking Force Adjustment range
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0 - 4g
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4-6
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Applicable cartridge weight
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6 - 10g
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4-7
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Anti-skating range
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0 - 4g
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4-8
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Tracking force range of attached cartridge
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3.5 +/- 0.5g
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5.GENERAL SECTION:
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5-1
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Power Supply
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AC 115/230V~, 50/60Hz
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5-2
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Power Consumption
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8 Watts
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5-3
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Dimensions
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450(W) x 350(D) x 145(H) mm
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5-4
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Weight
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4.25Kgs
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6.ACCESORIES SUPPLIED
Instruction manual x 1,Headshell x 1, 45 rpm adaptor x 1
7.SPECIFICATION
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DESCRIPTIONS
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UNIT
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NOMINAL
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LIMIT
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(1)Output Difference
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dB
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2.3
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2.5
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(2)Out put Level
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mv
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1.7~3.5
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1.5~3.5
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(3)Speed (Speed Range)
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Hz
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2.7K
↓,3.3K ↑
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2.7K
↓,3.27K ↑
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(4)Speed (Center Range)
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Hz
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2990~3030
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2940~3090
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(5)Wow and Flutter
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%
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0.23
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0.25
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(6)Channel separation
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dB
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16
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15
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