Question about Technics SL-BD20D Turntable

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I have not used it in a long time seems like the speed is wrong when i put it on 33/1/3 plays slow when i put on 45 it much better playing the 33

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Good day. It sounds to me like the belt is worn. Under the felt of the turning section, there should be two rather large holes. Insert your thumb and forefinger and pull the table off. You should also see where the existing belt is running. Insert new belt around the motor first and replace the table section. Now, through the two holes, manouver the belt onto the table section until it spins freely

Posted on Jul 07, 2010

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Posted on Jan 02, 2017

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1 Answer

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.

May 23, 2017 | Jensen Audio Players & Recorders

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Otpimus 1000 will play 45 speed but not 33?


That is a belt drive unit. If there is no speed adjustment. You need to take the platter off and check the capstan and belts.

Sep 01, 2014 | Audio Players & Recorders

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Crosley Turntable is playing too slow.


try cleaning the motor and oil with a drop of wd40 do not get it on belt

Feb 16, 2014 | Crosley RADIO CR6249-BK DELUXE KEEPSAKE...

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Yorx turntable speed issue, And turntable is warped.


You may be experiencing Acoustic Feedback, although it doesn't really make any sense the way you describe it. Make sure the tonearm is balanced and the proper weight is dialed in on same. Does it make any difference if the volume or bass are turned down, which my point to the Acoustic Feedback.

Jul 04, 2012 | Audio Players & Recorders

1 Answer

My audio technica turntable is playing records too fast. how do i fix this?


there are two small holes under the unit labeled 33 and 45 that control speed. im guessing youre mainly playing lps so use a flathead jewlers screw to adjust the 33 setting until you get the right speed

Jan 08, 2011 | Sony PS-LX250H Turntable

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Thomas Pacconi Model TPC-MSE-800 turntable runs slugglish. 78 runs fine but 45 or 33 runs slow. I removed belt cleaned it and platter. I put a drop on oil still same problem. Do I need a new belt? This is...


Pjam,
Had the same problem & checked around on the net. Several people tried replacing the belt, but it had no effect. Spoke w/ several repair shops around the country and they concur with what I'd read on the net - bad motors. 3 or 4 repair/supply shops told me getting a motor would be impossible. Since I only listen to 33-1/3 LP's, I messed around w/ it a little and found a solution. Take the turntable out of the unit & you will find a small circuit board attached to the bottom. On that board is a small square blue fixture w/ a white circular "dial" in the middle (has grooves to accept a small straight blade or a phillips screw driver). This controls the voltage to the motor, which in turn controls the motor RPM's. If you set the selector switch to 78, you can experiment /w turning that white circular "dial" to slow the motor down. It isn't very hard to get the speed set properly. The down side is that you will only be able to play 33-1/3 LP's, but they are probably the most common anyways. I assume you could do the same to set the speed for a 45, rather than a 33-1/3. Down side is that you will only be able to play 1 size LP on the 78 speed setting, but it's an easy adjustment that can keep an otherwise in-op turntable functioning. Good luck!

Dec 16, 2010 | Seth Thomas Pacconi Turntable

1 Answer

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

LP audio recording seems to be at the wrong speed


1- The turntable is set to 45 rpm and the album is recorded at 33 rpm. Press the 33 rpm button the red light should come on turn the and be fine.

or

2- This turn table has a fast record mode where you can record a 33 rpm LP faster by spinning it at 45 rpm. If you are trying to use this mode you will have to make a software setting to tell the TTUSB10 digital converter program what mode you want to run.

:).

Nov 29, 2008 | ION Audio TTUSB10 Turntable

2 Answers

My jvc AL-A151 spins records too slow but gets better


I had this problem. In my case it manifested itself mostly in start-up, and I found that I had to move the tonearm past the 1st track to get the TT to spin. I cleaned the contacts on the micro-switch (on the mechanism, from below) with extra-fine sandpaper. It worked.

Nov 21, 2008 | Audio Players & Recorders

2 Answers

Strange speed


Well, there isn't much on this unit that controls the speed. It's either your belt or your motor that's gone or going bad. Try replacing the belt first. If you still have the same issue, you might need to have a tech look at it. The 33/45 switches might have also gone out, but it doesn't like this is the issue.

Hope this helps.

- TWEAK AV LAB

Dec 03, 2007 | Audio Technica AT-PL50 Turntable

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