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*** TOYS HARDWARE >>
 
Laser Turntable
Developer:
  ELP Corporation
(www.laserturntable.com)
Models:   LT-1LRC, LT-1XRC, LT2XRC
Category:   Electronics
Class:   Audio
Price:   US$10,500 - 14,300
Release Date:   1989 & 2003
Score
7
"The audiophile dream machine has come to answer your prayer; but, you may need to take out a mortgage to bring this altar into your temple."
 
 

PREVIEW
 
Overall
Game2The dream of a turntable that could play individual tracks like a CD and leave no wear on your records has long been a standing dream ever since Edison dropped his first track. The time has come for this realization; albeit not perfect, it’s the best thing we have right now.

Using five lasers beams, two for tracking, two for reading audio, and one for height control, the Laser Turntable (LT) can accurately playback vinyl records in most any condition. Having no contact with the record and a optical surface area ¼ the size of a regular needle, the LT is capable of reproducing sound that is close to the original.

The ELP Corporation spent over US$20 million developing technology that would aid in the preservation of vinyl recorded material for the enjoyment of future generations. Celebrating over 1000 Laser Turntables sold; ELP has announced the release of its new improved model, featuring full remote control and sonic improvements. Prices for the new models range from US$10,500 - $14,300. Sound expensive? This is nearly half the price of the original model!!

Enough said, it quite likely that most of us will never own one of these turntables, being priced equal to that of a small car. But if you ever find yourself in Ottawa, The National Library of Canada installed one into its Music Division in 1991.


Appearance
Game3Looking a lot like a Laser Disc Player from the early ‘90s, the LT design is not the sleekest. With simplistic LED displays and minimalist push button controls, the LT achieves a look and feel that is truly outdated. This comes as no surprise, as the original model was created in 1989 and the ELP Corporation is dedicated to keeping its costs as low as possible while maintaining is commitment to quality parts and construction. ELP states that following standard industry product “markup would put the price beyond the reach of many prospective customers.

Functionality
Game4Having a laser turntable makes it possible to play LPs as one would a CD. When a record is first loaded, The Laser Turntable scans the disc for gaps between recordings. The LT uses these gaps to generate tracks; which can be accessed with push button accuracy, much the same as is found with CDs. Likewise, this accessibility allows users of the LT to access cue points, set random playback, program track groupings, and take advantage of the repeat functions. The LT also offers users the convenience of an on-screen LED display; which, can be used to display elapsed, remaining, or total time. Unlike a CD player, the LT offers adjustable rpm controls (30 – 50rpm for LP & EP setting and 60 – 90rpm for 78’s) in 0.1rpm and 0.2rpm increments, respectively.
The dual optical pickups adjust to compensate for conditions found on damaged, scratched, worn, and broken records. Never before has a broken record been able to be played. The LT glides seamlessly over breaks with no more than a slight pop, much like the sound produced from a minor scratch with a standard needle. Records skips are relatively invisible to the LT, which plays unhindered through such damage. The audio lasers have the ability to read below surface abrasions on the groove wall and return clear sound.

In many cases the outside wall of a records groove will wear more than the inside, due to the constant friction against the needle as it is being pushed towards center. The LT’s dual independent audio lasers read each side of the groove and report this audio information to the left and right stereo channels. This offers true stereo balancing, without the possibility of producing channel balance errors or stereo crosstalk, commonly found within stylus pickups. When dealing with monaural recordings, it is then possible to isolate the less damaged signal from the inside of the groove wall to increase your overall playback clarity.

It important to note the LT’s reduction in sound errors and feedback that are commonly found in vibration-based audio pickup systems. Acoustic feedback, cartridge hum, and tonearm vibrations are eliminated by the use of lasers, which have no contact with the playing surface. Tracking angles, leveling adjustments, and anti-skating measure are dynamically calculated and adjusted to match even warped records. On top of all this, the LT comes equipped with a Noise Blanker feature, which can help in the overall reduction of unwanted playback noises.


Specifications

 System

 Contact-Free, 5 Beam Optical Record Player

 Function
     Play



     Pause
     Display

 Drawer system (Open/Close)
 Automatic lead-in, lead-out
 Programming (Max. 15 songs)
 Forward and back scan (2 speed)
 Forward and back search
 Cueing (Muting)
 Total, Elapsed, Remaining time
 Record size, Revolution

 Record Type

 Black Records

 Drive System

 Computer Controlled Belt-Drive system


 Revolution
 Speed Control


 Record Size

 LT-2XRC

 LT-1XRC

 LT-1LRC

 30 ~ 50rpm
 0.1rpm steps
 60 ~ 90rpm
 0.2rpm steps
 7",8",9",10",11",12"

 30 ~ 50rpm
 0.1rpm steps
 60 ~ 90rpm
 0.2rpm steps
 7",10",12"

 30 ~ 50rpm
 0.1rpm steps


 7",10",12"

   

 Frequency

 9 - 40kHz

 Channel Separation

 Depends on separation of Records
 >25 db (20 ~ 20,000Hz, DIN 45 543 Test Record)

 Output

 4.3mVrms 5cm/s 1kHz Lateral
 9.7mVrms 8cm/s 1kHz 45° Left or Right modulation
 11.3cm/s 1kHz Lateral (much like MM cartridge)

 Distortion

 <0.5% DIN45 543 1kHz Ref. Level

 S/N Ratio

 >55db (Weighted) Ref. Level

 Wow & Flutter

 <0.07% WRMS

 Output Terminal

 RCA pin jacks

 Power Supply Voltage

 100V 50/60Hz, 120, 220, or 240V Available

 Power Consumption

 80W (Max.)

 Size

 470mm(W) x 480mm(D) x 170mm(H)

 Weight

 19kg

Additional Specifications: Game5
The Laser Turntable connects to your pre-amp from outputs located under the FUNCTION switch, "MONO," "LEFT," "RIGHT." (Input impedance 47k ohm)

Another factor to consider is that laser diodes do not last forever. ELP rates theirs at 10,000 hours which is a reasonably long time. The replacement cost is a tidy $1500.



Reviewed by: Rob Wilson
Date: Wednesday, 8/20/2003
 
 
 

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