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What is the tone arm adjustment? - Audio Players & Recorders

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Http://www.wikihow.com/Adjust-Tracking-Force

Posted on Jun 22, 2015

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STYLUSCITY
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SOURCE: tone arm adjustment for 1200m3d

Reduce anti skate setting . Round knob with numbers on it at the base of the tonearm. Cheers john. styluscity.com

Posted on Nov 20, 2011

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How can I stop the tone arm from returning too early on smaller records?


The adjustment for auto return position is normally at the tone arm base on the left side under a rubber grommet. Use a flat blade screw driver to move adjustment screw, then test. Keep fine tuning until arm lifts at desired position. Cheers John. Stylus City NZ

Jun 14, 2014 | Crosley 0187SST Turntable

2 Answers

Adjust tone arm


Usually there is a hole towards the back of where the tonearm is mounted that adjusts the set down area. Be aware that some have two holes one for set down and one for pick up of tonearm. These can be adjusted with a flat blade screwdriver. Check and see with a good flashlight. Adjust slowly and check to make sure you are turning it in the correct direction.

Apr 04, 2014 | RCA Audio Players & Recorders

1 Answer

Auto shut off needs adjustment


At the end of play, the tone arm moves a small piece into the revolving gear that operates the shutoff process. If the tone arm remains in the completely played position, this mechanical connection is not working.

Jan 04, 2014 | Technics Audio Players & Recorders

1 Answer

Wurlitzer jukebox 1015 78rpm records needle does not start at the begining sometimes starts 1/2" in. How do I adjust tone arm


If you study the screws around the cradle that the tone arm sits in you will see that it is adjustable. This determines where the tone arm is when the record comes up. If the machine was always wrong like this it may have been set for 45rpm records. You need to adjust the whole tone arm post with the screw that goes up into the base of the post..

Mar 22, 2013 | Audio Players & Recorders

1 Answer

Hi. I'm have a problem with my Technics SL-BD20 turn table I've just purchased. When putting the arm onto the LP it just skips over the surface to the middle. Why does it do that? Cheers.


Try adjusting the tone arm weight so that the arm will be slightly heavier.

If this does not help, see if the tone arm manual lift handle is operational and fully released when the arm sits on the record.

Another possible cause are the tone arm position sensors inside the unit.

Hope you can fix it.

regards

Triarcuate

Oct 01, 2009 | Audio Players & Recorders

1 Answer

Skatinig


You need to adjust the downward force by adjusting the counter weight which is on the back of the tone arm. Rotate it so it's closer to the tone arm fulcrum to increase the weight on the arm, like tightening a nut on a bolt.

Oct 04, 2008 | Numark TT1520 Turntable

1 Answer

I balanced my tonearms correctly. i think .. but the stylus jumps off the record and when i back spin (cue) the needle skates drasticly. can you walk me through the balancing proceedure and tell me how to...


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

Jul 21, 2008 | Technics Audio Players & Recorders

1 Answer

Re:


Hi Vat,
Although I live in Canada now, I was born in the former
Czecholsovakia. While I spent a year in the Czech Republic in
2006, I was amazed how advanced their technology was, in
comparison to Canada or the US. If you want modern technology,
Prague is the place to go. Anyway ...

1) As I said before, do NOT adjust the tone-arm weight up
and down. This setting must be set to match the stylus and
the cartridge !!! The wrong setting is very bad.

To get the weight adjusted correctly, do the following.

a) Check the cartridge and stylus (needle) specifications, on
the WEB if necessary.

A typical tracking weight is between 0.9 grams to 1.5 grams,
but this very much depends on the needle geometry. To much
weight will damage the needle and the record, but

so will too little, because the needle will not stay on the
surface, skipping or mistracking on loud passages.

Note that the tracking acceleration is proportional to the
the square root of the loudness, multiplied by the frequency
squared. So if the tracking force is too low, the needle will
bounce over high frequencies and damage the record as
well as the needle's tip.

2) Once you know the correct force for your needle, adjust
the rear weight for ZERO force, such that the needle just
floats weightlessly in the air. If your turn-table has an anti-
skating adjustment, set that to zero as well.

3) At this point the tone-arm should be totally weightless,
and should neither touch the plater nor swing up/down
by itself. It should float halfway.

4) A this point, adjust the rear weight's dial (not the weight) to
read zero. Note that the dial will slide, while you hold the
weight still. You have now calibrated the tone-arm's zero
point.

5) Now, adjust the weight (with the dial) to read the desired
tracking force, for example 1.25 grams.

6) Now adjust the anti-skating dial to the same number as
the rear weight. This setting compensates for the radial
(towards the center) component of the friction vector,
caused by the needle riding on the record groove, at some
specific (average) tone-arm angle.

7) Your tone arm is now balanced, and you should not
touch it after this, accept for minor adjustments.

For brand new records, you may lighten the tone-arm
by 10%. For old records, you can make it a little heavier.
Similarly, you can adjust the anti-skating to prevent a
record from skipping, but a bad record should be played
only once (and stored on your computer).

8) For some tone-arms and cartridges, the cartridge pitch
(up/down angle) is also adjustable. This requires a special
jig or gauge, supplied by the cartridge manufacturer.

The pitch can be adjusted either by the use of screws or
wedges, and by lowering / raising the rear gimble. On my
Technics SL 1200, the gimble elevation is adjustable with
a large ring, and my SURE V15 cartridge came with a guage
for adjusting it correctly.

9) It may also be possible to adjust the cartridge's yaw and
radius, but all of these adjustments should only be done
using the correct gauges and by strictly following the
cartridge installation manual.

10) NONE of these adjustments should effect the tone-arm
cueing or return process. There should be plenty of
clearence if the cueing mechanism is working properly,
except, perhaps, for the gimble elevation, if the cartridge
is unusually tall.

11) Is the cuing mechanism (i.e. the tone-arm lifter)
mechanical or hydraulic ?

Is it the lift consistent or does the tone-arm drop down
with time?

Does the tone-arm move parallel to the plater, or does the
stylus height change with tone-arm position (yaw)

You are looking for a mechanical defect in the cuing
mechanism.

12) How much over all lift do you get between the down position
and the up position? This should be at least 8 to 15mm

If the cuing mechanism is worn out, it may not move enough.

If it starts too low, it may move enough but not raise the
needle enough to clear the record.

If the cartridge is tracking too low, you may have to
remove some wedges or spacers between the cartridge
and the head, or lift the rear gimble if it is adjustable, or
get a different tone-arm head, that matches the cartridge
profile.

Finally as silly as this sounds, make sure that the
platter is fully dropped and properly engaged. If the
plater is too high, for what ever reason, this would also
cause the needle to drag.

Also make sure that the rubber mat on the plater is the
right one and that it is not too thick.

Martin


installation manual.

Jul 02, 2008 | Audio Players & Recorders

1 Answer

Early tone arm pickup


On some record players there is an adjusting screw at the back of the tone arm that adjusts the tone arm drop in location but I don't think it will adjust the pick up point. That is controled by a steel rod under the record player deck that moves over and pushes a little trip lever near the center of the platter so that a gear is engauged and the end of record cycle is started. I'm not sure but you may be able to find an adjustment under the deck that is near the rotation point of the tone arm that will adjust that rod so that it will pickup later. Hope this helps some.

Dec 26, 2007 | Teac GF-350 CD Shelf System

1 Answer

Problem playing 45 Records to their entirety.


There is an adjustment on the tone arm that you use to set where the tone arm picks up at the end of the record. This adjustment is normaly at the back (pivot point) of the tone arm and will be on the side probably. By the way, the tone arm is the part that the stylus is mounted to that swings back and forth to reach all the surface of the record. Make your adjustment and then test and continue doing this until you get it just where you want it. It is a process of trial and error. Good luck.

May 20, 2007 | Emerson NR303TT CD Shelf System

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