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7

Troubleshooting 

(continued)

Specifications

•    When lifting or replacing the turntable cover, handle it gently.
•   Do not touch the stylus tip with your fingers; avoid bumping 

the stylus on the turntable mat or a record’s edge.

•   Clean the stylus tip frequently, following the stylus manufac-

turer’s cleaning instructions.

•   If you use a stylus cleaning fluid, use it 

sparingly, 

while refer-

ring to the manufacturer’s cleaning instructions.

•   Wipe the dust cover and turntable housing gently with a soft 

cloth. Use a slightly damp cloth to clean the turntable and dust 

cover.

•  

Never

 apply harsh chemicals or solvents to any part of the 

turntable system.

•   Prior to moving the turntable, always unplug it from the AC 

outlet and lock the tone arm on the tone arm rest.

Type 

 

3-Speed, fully manual operation

Motor 

 

16-pole, 3-phase, brushless DC motor

Drive method 

Direct drive

Speeds   

33-

1

/

3

 RPM, 45 RPM, 78 RPM

Turntable platter 

332 mm dia. die-cast aluminum

Starting torque 

>4.5 kgf.cm

Braking system 

Electronic brake

Wow and flutter 

< 0.1% WRMS (JIS WTD) with 33 RPM

Signal-to-noise ratio 

> 55 dB (DIN-B)

Output level 

 

Pre-amp “PHONO” 

2.5 mV nominal at 1 kHz, 5 cm/sec  

 

 

(HP-4005) 

 

Pre-amp “LINE” 

150 mV nominal at 1 kHz, 5 cm/sec 

 

 

(HP-4005)

RIAA  

 

20-20kHz, +1/-3dB (In: 1.5mV 1kHz)

Tone arm type 

Static balanced S-shaped tone arm with  

 

 

detachable headshell

Effective arm length 

230 mm

Overhang   

15 mm

Height of tonearm  

0-6 mm 

adjustment range
Tracking error angle 

Less than 3 degrees

Applicable cartridge weight 

 

 

Without headshell 

3.5 - 8.5 g 

 

With headshell 

13 - 18 g

Anti-skating range 

0-3 g

USB function 

 

A/D, D/A 

16 bit 44.1 kHz or 48 kHz USB selectable 

 

Computer interface 

USB 1.1 Compliant Windows XP or  

 

 

above or MAC OSX or above

Power supply 

120V AC, 60 Hz 

requirements
Power consumption 

13W

Dimensions 

450.0 mm (17.72") W x 353.0 mm  

 

 

(13.90") D x 166.5 mm (6.56") H

Weight 

 

12.5 kg (27.6 lbs.)

Accessories included 

Slip mat; dust cover; platter; 45 RPM  

 

 

adapter; counterweight; headshell;  

 

 

power cord; USB cable; dual RCA  

 

 

(female) to 

1

/

8

" (3.5 mm) mini-plug (male) 

 

 

stereo adapter cable; dual RCA (female)  

 

 

to 

1

/

8

" (3.5 mm) mini-plug (female) stereo 

 

 

adapter cable; dual RCA (male) cable  

 

 

with integrated ground wire; stylus  

 

 

target light; Audacity software (CD)

 

 Specifications are subject to change without notice.

 

 

 

 

Содержание AT-LP1240-USB

Страница 1: ...AT LP1240 USB Professional DJ Direct DriveTurntable USB and Analog Installation and Operation ...

Страница 2: ...SB cable adapter cables The AT LP1240 USB Professional DJ Direct Drive Turntable System features the following Direct drive high torque multi pole motor for demanding DJ use USB output no special drivers required for direct connection to your computer Selectable 33 45 78 RPM speeds Selectable internal stereo phono pre amplifier Dual start stop controls Start and brake control adjustments Sliding p...

Страница 3: ... HEADSHELL Standard interchangeable stereo cartridge headshell 13 HEADSHELL LOCKING RING Rotate counter clockwise to the left to draw the inserted headshell firmly into its seated locked position Rotate the ring a full turn to the right to permit removal of the headshell 14 QUARTZ BUTTON This button is used to turn the pitch function on and off When the Quartz is activated the platter will hold th...

Страница 4: ...n the tone arm rest with the lock ing clamp Figure 1 page 3 18 2 Mount your cartridge not included to the supplied headshell follow instructions included with your cartridge 3 Attach the headshell assembly by inserting it into the socket at the front of the tone arm See Figure 3 It s good practice always to hold a headshell assembly by the left and right edges of the head shell to reduce the possi...

Страница 5: ...maximum setting is the slowest start to reach selected speed Rotate the Brake control knob to increase or decrease platter brake time between 0 2 6 0 seconds Minimum setting is the quickest stop maximum setting is slowest Connections Connecting to Audio Source Connect the included dual RCA male interconnect cable to the RCA jacks on the back of the turntable Connect the other end of the RCA interc...

Страница 6: ...ower dial to the OFF position Troubleshooting Turntable operates but emits no sound or not enough sound 1 The stylus guard is still in place Remove the stylus guard 2 The tone arm is in the lift position Lower the tone arm 3 Mixer amplifier system controls are set incorrectly wrong input selected tape monitor on speakers switched off etc Verify proper control settings 4 Stylus is broken or missing...

Страница 7: ...0 1 WRMS JIS WTD with 33 RPM Signal to noise ratio 55 dB DIN B Output level Pre amp PHONO 2 5 mV nominal at 1 kHz 5 cm sec HP 4005 Pre amp LINE 150 mV nominal at 1 kHz 5 cm sec HP 4005 RIAA 20 20kHz 1 3dB In 1 5mV 1kHz Tone arm type Static balanced S shaped tone arm with detachable headshell Effective arm length 230 mm Overhang 15 mm Height of tonearm 0 6 mm adjustment range Tracking error angle L...

Страница 8: ... or modification or removal or defacing of the product labeling For U S service return instructions and procedure please go to www audio technica com returninstructions A T U S warranty is to the End User only Except for A T U S said express warranty A T U S MAKES NO WARRANTIES EXPRESS OR IMPLIED WITH RESPECT TO THE PRODUCTS A T U S SPECIFICALLY MAKES NO WARRANTY OF MERCHANTABILITY OR FITNESS FOR ...

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