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Safety instructions 

1.  Read these instructions.
2.  Keep these instructions.
3.  Heed all warnings.
4.  Follow all instructions.
5.  Do not use the apparatus near water.
6.  Clean only with dry cloth.
7.  Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
8.  Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including ampli-

fiers) that produce heat.

9.  Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with 

one wider than the other. A grounding- type plug has two blades and a third grounding prong. The wide blade or 

the third prong is provided for your safety. If the provided plug does not fit into your outlet, consult an electrician 

for replacement of the obsolete outlet.

10. Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the 

point where they exit from the apparatus.

11. Only use attachments/ accessories specified by the manufacturer.
12. Use only with a cart, stand, tripod, bracket or table specified by the manufacturer, or sold with 

the apparatus. When a cart is used, use caution when moving the cart/apparatus combination 

to avoid injury from tip-over.

13. Unplug this apparatus during lightning storms or when unused for long periods of time. 
14. Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged 

in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into 

the  apparatus,  the  apparatus  has  been  exposed  to  rain  or  moisture,  does  not  operate  normally,  or  has  been 

dropped.  

15. When the mains plug or appliance coupler is used as the disconnect device, it shall remain readily operable. 

16. Please keep the unit in a good ventilation environment.

Professional DJ Direct-Drive Turntable 

Introduction 

Thank you for purchasing the AT-LP1240-USB Professional DJ Direct-Drive Turntable 

(USB & Analog). This professional quality DJ turntable is designed primarily for DJ 

use in nightclubs, touring and mobile applications. It can also be used by music 

lovers to play their record collections at home. As an added benefit, the turntable 

offers a USB output that allows direct connection to a computer for easy LP-to-

digital conversion. The turntable also features a built-in switchable phono/line 

pre-amp that allows connection to a stereo system equipped with either a phono 

or line-level input. Additional professional features for DJs include a sliding pitch 

control, anti-skate control, start and brake control adjustments, reverse, and dual 

start/stop controls.

Includes: 
Removable dust cover, Audacity recording software, USB 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 pitch control with quartz speed lock
•  Reverse operation
•  S-shaped tone arm assembly with:
  ·  Adjustable counterweight
  ·  Anti-skate adjustment
  ·  Tone arm height adjustment and lock
  ·  Tone arm lift with hydraulic action and lift lever
  ·  Tone arm rest with locking mechanism
•  Dedicated ground lug for tone arm grounding
•  Stroboscopic platter and speed accuracy indicator
•  Damped cast aluminum record platter with low-resistance DJ-style slip mat
•  Removable stylus target light
•  45-RPM adapter
•  Adjustable feet for leveling
•  Removable dust cover

To assure maximum satisfaction from this product, please read the information 

and follow the instructions presented in this manual. Please keep the manual in an 

accessible location for future reference. 

Unpacking

Carefully unpack the turntable and verify that the following parts are included and 

intact:
•  Slip mat (above the dust cover)
•  Dust cover (above the turntable)
•  Platter (under the turntable)
•  45 RPM adapter (accessory section)
•  Counterweight (accessory section)
•  Headshell (accessory section)
•  Power cord (accessory section)
•  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 (accessory section)
•  Audacity software (CD)
IT IS RECOMMENDED THAT ALL PACKAGING MATERIALS BE SAVED FOR 

POSSIBLE FUTURE STORAGE, MOVING OR SHIPPING.

Caution: 

To reduce the risk of electric shock, do not remove 

any cover. No user-serviceable parts inside. Refer servicing 

to qualified service personnel only.

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

The  lightning  flash  with  arrowhead  symbol  within  the  equilateral  triangle  is 

intended to alert the use to the presence of un-insulated “dangerous voltage” 

within the product’s enclosure that may be of sufficient magnitude to constitute 

a risk of electric shock.

The exclamation point within the equilateral triangle is intended to alert the user 

to the presence of important operation and maintenance (servicing) instructions 

in the literature accompanying this appliance.

To prevent electric shock, do not use this polarized plug with an extension cord, receptacle or 

other outlet unless the blades can be fully inserted to prevent blade exposure.

CAUTION

To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture. 

The apparatus shall not be exposed to dripping or splashing and that no objects filled with 

liquids, such as vases, shall be placed on the apparatus.

WARNING 

Summary of Contents for AT-LP1240-USB

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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