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How do I adjust the travel of the stylus for my Optimus LAB-2250 turntable? On 45-rpm records, the needle often hits the edge of the record when it moves to play the record, rather than going another 1/16th or 1/8th farther as it should. I can't locate the manual to the turntable as I bought it in '93. I see the white block on the back of the turntable and thought thast might be it in order to make an adjustment. Can you answer this question?

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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djproaudio
  • 515 Answers

SOURCE: turntable skips during playback

The only thing I can say is to make sure you set up your cartridges correctly - click HERE FOR INSTRUCTIONS on BALANCING YOUR TONEARM properly.

If, you've balanced your tonearm, and set up your cartridges correctly, then you should not have any problems. Unless, your tonearms are damaged. But this is highly unlikely. I just think you need to balance properly.

Another note, Ortofon Concorde have a design flaw, in that they don't connect very well to the Technics tonearm. The Concorde's, have short and stubby connections on the rear, making for poor connections to the tonearm. Ortofon has addressed this issue by releasing the Ortofon OM series cartridges, and mount them to standard Technics Headshell.

If you still can't figure this out, feel free to give our techs a call 24/7 @ 1.866.668.1596 ext 1 - they can walk you through setting up, and properly testing your tonearm to see if it's damaged or not.

- DJ PRO LAB
www.DJPROLAB.com

Posted on May 13, 2008

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  • 151 Answers

SOURCE: I have bought an old

If you cannot see a small tip on the needle then yes it is worn out,but you can check by rubbing your finger over the tip when the system is on,if you hear sound through the speakers then it should play the album,make sure that the weight at the back of the arm is set to keep the needle in the groove as this may be set to far back,move it forward to keep weight on the needle.

hope this helps.
CABLE GUY.

Posted on Jul 16, 2008

  • 4234 Answers

SOURCE: i balanced my tonearms correctly.

Balancing the tone arm is a two step process. Set the needle weight adjustment to zero(0) and make sure that the tone arm is balanced. It should rest horizontally without touching anything. Next, set the needle weight (usually 1.5 grams). Both adjustments should be on the rear of the tone arm. That should cause the tone arm to drop toward the record and have the correct pressure for the needle. Also, check the anti-skate adjustment. If that is off, the behavior you describe will occur as well.

Dan

Posted on Jul 21, 2008

djproaudio
  • 515 Answers

SOURCE: Tone arm won't drop

This is a tough one. There is usually a series of gears that function in unison to make all the magic happens. These gears are usually set in motion by a smaller belt located inside the unit. If this belt has come off or is damaged, your unit will not work. Or, if the gears have cracked, or dried up, same issue.

Suggest taking it to a service center for repair.


- OPTiC
Turntable Technician
www.1200s.com

Posted on Sep 08, 2008

nick_helpap
  • 334 Answers

SOURCE: turntable Spinning too fast

ya buy new belt loose or is this direct drive

Posted on Oct 09, 2008

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1 Answer

Norwich 2 e239.1.a how to replace stylus


Just grip the stylus carrier and slide it forward (probably slightly down too).

It looks like this:

http://www.ebay.co.uk/itm/Stylus-Needle-for-33-45-78-rpm-records-Fits-Most-Steepletone-Record-except-/301606116981

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What's the correct way to use the strobe light to set turntable speed?


The turntable may have a pattern on the edge of the turntable. If not you need a turntable strobe disk that you place on the turntable like a record. The pattern on the disk or on the edge of the turntable will be marked for 50 Hz or 60 Hz frequency.
The strobe marks on the disk or on the turntable are for 33 RPM and 45 RPM and for both 50 & 60 Hz mains frequency.
To adjust the turntable for the correct RPM, turn on the strobe light and the turntable set it to 33 RPM and shine the strobe light on these marks and adjust the speed setting until the 33 RPM marks appear steady and not moving. You may want to check it for 45 RPM as well.
Make sure you use the correct mains frequency marks ie. the 50 or 60 Hz that your electricity system uses.

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The wires connecting the play stop & cue have come loose on my optimus LAB 1100. I need a diagram to show me where to hook them up PLEASE!!!


The Levitator is a tone arm "auto lifter" for turn tables and record players that do not have an "auto-return" feature, or has one that is broken. If your needle rides in the "wax trail-off" area of a record it can damage the needle, along with making a horrible noise. It is not enjoyable to have to babysit your records and manually take your tone arm off the record the moment it is done. The Levitator does it for you so you can relax and go about your business. When the record is done the tone arm trips the lever triggering the lifter to raise your tone arm/needle off the record. It is designed with adjustable height to fit any turntable. These are available for sale through Ebay,or please see video to order your own. http://www.youtube.com/watch?v=PS6g9rQRF9M&feature=mfu_in_order&list=UL

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My turntable speed is too slow. I have the optimus lab 1000 and there are speed adjustments on the bottom side of the unit but turning these either for 45 or 33 rpm did not change results. I have already...


Look under the platter or on the bottom of the turntable. There should be two adjustment holes for 45 and 33. You will need a small screwdriver for adjusting these. If this does not work clean the control pots with spray cleaner.

Dec 01, 2010 | Radio Shack Audio Players & Recorders

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What is required to convert 78rpm records to mp3 format?


The cartridge must have a stylus for 78rpm records. If the turntable does not have a 78 speed play it back at 45rpm. Record it and using the software you have or get one such as Audio Cleaning Lab, just select the option to convert from 45 to 78. You can then carry out any audio modifications to clean it up, then save it as an MP3.
Never use a 45/33 stylus to play a 78 and never use a 78 to play a 45/33 record.

Nov 07, 2010 | ION Audio TTUSB10 Turntable

1 Answer

IT turntable will not play the entire song on 45 rpm for converting to MP3. The stylus automatically lifts up from the record before the entire song has played.


If you're mechanically inclined and can open up the case, then look inside the mechanism, oil it, and put the case back together again, this is what may be happening.
There's a mechanical sensor/actuator inside the turntable that gets pushed by the pick up arm as it travels and nears the center of the turntable. Chances are it may have been set to actuate too early, or it may need oiling, if this is an old turntable that's been lying around unused for several years.
This sensor usually consists of a thin metal plate that can be bent manualy or with a pair of plyers.
Remove the stylus or pickup head, or protect it from damage by using a probable built-in cover. Diassemble the turntable so that the flat surface holding the turning plate can be separated from the case.
Set the disassembled turntable with one edge over some piece of furniture or anything to prop it up while you watch what happens as you move the arm towards the center. You may need to recruit a helper who will turn the plate slowly and move the arm inwards while you watch from underneath.
You will eventually see some part making contact with another, which in turns engages the mechanism that lifts the arm.
Bend this tang just enough to allow the arm to travel further towards the center the necessary distance as to completely play the 45s.
Reassamble the case and try a few records. This will be a trial and error process. Keep making adjustments as needed.
If all of them play to your satisfaction, then you may tighten the screws securely.
Good luck!

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1 Answer

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Are the record size tabs sticking up through the turntable platter cover? They sense the size of the record being played and adjust the run out distance for either 45 or 33 rpm records.

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