Question about Jensen Audio Players & Recorders

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Turntable on my Jensen JTA-460 is slow. I have replaced the belt and made sure table was lubricated. No change. Can not find a way to adjust speed of table.

Posted by Jason Halaburda on

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1 Answer

Grubhead

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  • Jensen Master
  • 5,720 Answers

Check the belt is fitted correctly. If it is not it will affect the speed. If the speed is slow on both 45 and 33 rpm, then it could be the motor. Sometimes there are speed presetts at the none shaft end of the motor. If it doesn't look like the motor has any built in electronics in it, then look to the turntable power supply look for faults in that.

Posted on Jun 05, 2021

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5 Related Answers

Steve W

  • 104 Answers

SOURCE: Too slow?

http://www.archive.org/details/Turntable_Belt_Installation

above is a generic video that applies to almost all belt driven turntables including yours that will show how to install the belt and a few other things.

this can be caused be a new belt being too wide, you may need a narrower belt.

Posted on Feb 12, 2009

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Anonymous

  • 69 Answers

SOURCE: technics sl-b303

Try this company for help?

service<remove>@turntableneedles.com

they have a help line and may be able to assist you?

Note; take the <remove> bit from the link to email them?

Posted on Oct 20, 2009

Anonymous

  • 5 Answers

SOURCE: sound wavers (speeds up and slows down)

you need to replace the Pitch controls. I'm presuming it is a sliding pitch control. Use the Red start stop lights that reflect on the rotating wheel. put the pitch in center 0. does one row of the dots on the wheel stay completely still.now just turn it up op down a bit until it starts to move the dots slightly. now watch the dots now while there moving. Do they fluctuate they should be smoothe. do this on both decks to find out which one is fluctuating.

Posted on Nov 07, 2009

Anonymous

  • 3 Answers

SOURCE: Just received my Jensen JTA-460

There is a speed selector directly under the needle arm.

Posted on Sep 19, 2011

Anonymous

  • 3 Answers

SOURCE: JVC Turntable model AL A1 BKX , need to know how to adjust speed

I have just fixed this problem on my Aiwa PX3800 with improvisation.
The platter was rotating too slowly, I didn't know how much too slow only that the records sounded wrong.
I imagined the belt, motor and platter as a bicycle gear and so simply increased the gear... I achieved this by winding a thin strip of a electrical insulation tape around the motor head to increase it's radius (like changing up to a larger front cog on a bicycle gear).
I could then time the rotations and remove a layer or two of the tape accordingly until I have achieved a perfect 45rpm. 33 is still way out but I only listen to 45s!
Be sure to trim excess tape from the motor head with a craft knife/scalpel or it'll stick to the platter.
Poor man fix up.

Posted on Dec 23, 2011

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Related Questions:

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1answer

How do I fix the speed of my Jensen JTA-460 turntable? I've tried numerous records that previously worked perfectly, but now the speed is too slow regardless of what album I try.

Could be the belt for the pulleys is stretched a little, or there is something making it slip, or the potentiometers were set incorrectly from the factory . It is normal to have one for each speed. It is unknown if you can access these from the bottom of the unit. Slippage is less likely to be caused by something oily, since it would alternate the speed faster and slower and yours seems to have worked then reached a constant slower speed. Do your 45's and 78's play ok? (yeah I know, does anyone have a lot of 78's on hand)
Your model does not have an outside pitch control to fine tune the speed faster or slower. Another Jensen model JTA-230 does. Entry level turntables such as yours are not speed accurate reliable. After reading reviews on your turntable, it's possible that the belt is the problem. If the slow speed problem had happened from the start, it would be safe to say that the speed wasn't calibrated correctly and you could have returned it and perhaps had better luck with another one but because it worked fine at the start and then now plays slower, it's either the belt or the potentiometer for the 33rpm speed has somehow changed.
0helpful
1answer

Can my turntable be adjusted

Jody, the arm the needle is on, usually adjustable with a dial on the end that can lighten, or put more weight on needle to help it track better on records. Other then that, the belts normally are changed to address slow speed issues. Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
Jensen JTA 220 Instruction Manual Page 2

http://audio.manualsonline.com/manuals/mfg/jensen/jta220.html

How To Calibrate Your Turntable For the Best Possible Sound

How to Adjust Tracking Force
0helpful
1answer

I wrongly plug jensen jta 460 turntable to 220volt power outlet. Can it be repaired? What is the dc out put of th?s power adapter? Can I change this original adaptor with 220volt ac dc adaptor?

Depends on how big it is, probably not, either the transformer coils might be burnt, causing a short (did you see or smell magic smoke?), or the diodes might be burnt (did you see or smell magic smoke?) or capacitors might be blown (did you see or smell magic smoke?)

As far as a different adaptor, see my response to your other question:
http://www.fixya.com/answer/answerpageslideview.aspx?ctg=mine&fml=0&brd=0&p=2&thid=25839291
0helpful
2answers

My Jensen JTA 450 is playing LPs too slow even though 33RPM is already set. The songs are slower than usual. Please help me.

The record that you are trying to play maybe a 45rpm recording. Some 45's were released in album size recordings.
0helpful
1answer

I need it now jensen jt a 460 turn table manual

Tech Help call 1800 686 079 Mon -Fri 9am to 5pm I have a JTA 380 Manual ? similar spec's.
0helpful
1answer

How can i fix my jta-460 from playing records slow

Check the RPM switch on the turntable is on the correct speed for the record you want to play. Otherwise it could be a belt problem internally.
0helpful
1answer

Turntable is slow, especially noticable on 33 1/3 rpm

hi,
your turn table is a belt driven one. The speed turns down when the belt become expanded. you should replace the belt of your turn table. Also put some lubricant in its center shaft ( not from the top lubricate it slightly after removing the plater).

I have here added some video related to the replacement of belt for turntables.
Not the exact for your one,for all the belt driven turntable the procedure is the same
ok

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