Marantz CD63 & CD67 mods list - Page 1411 - diyAudio
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Old 2nd February 2010, 09:45 AM   #14101
RCruz is offline RCruz  Switzerland
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Hi Andy

Do you know how the speed is varied ?

Can this be implemented in a normal CD63 ?

Ricardo
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Old 2nd February 2010, 10:31 AM   #14102
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It has some extra circuity for doing this, often called the LDI circuit.

Look here on page 11 - http://www.audioupgrades.co.uk/manua...MARANTZ_EN.pdf

All that to add pitch contol to a cd17

Brent
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Old 2nd February 2010, 10:47 AM   #14103
RCruz is offline RCruz  Switzerland
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In the DJ world, pitch is used for special effects. I believe some TT have pitch control to finetune differences related with mains freq variations.

Is there a possibility that the stock pitch set on the CD53 is not correct ?
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Old 2nd February 2010, 11:10 AM   #14104
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Knowing a few DJs they use the pitch on their Techinics decks for adding a little extra speed to the dance music (lifting the bpm) typically by +0.5. Sometimes the clever dj will adjust the pitch of one deck to match the bpm of the next track they are fading in from another deck so that it sounds more seamless

The standard pitch of your player will be fine

Brent
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Old 2nd February 2010, 11:27 AM   #14105
RCruz is offline RCruz  Switzerland
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Thank you Brent.
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Old 2nd February 2010, 12:30 PM   #14106
SimontY is offline SimontY  United Kingdom
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Quote:
Originally Posted by rowemeister View Post
Sometimes the clever dj will adjust the pitch of one deck to match the bpm of the next track they are fading in from another deck so that it sounds more seamless
LOL, yeh it's called mixing, or beat-matching

I think vinyl might spin at the wrong speed only if it has a motor running off an unregulated supply or one that is badly regulated. I can't think how else it would change, not at least due to supply voltage.
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Old 2nd February 2010, 03:57 PM   #14107
RCruz is offline RCruz  Switzerland
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Unfortunaletly, most of the TT I have listened to, do not run at 33.33 precise... The motor puley and the inner platter ratio is very difficult to set.... Only special psu can adjust that.
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Old 3rd February 2010, 09:43 AM   #14108
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A question for anyone; I have some lead sheeting, about 3 mm thick. Would this be a sound-enhancing, case deadening tweak or am I barking up the wrong tree?
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Old 3rd February 2010, 12:01 PM   #14109
poynton is offline poynton  United Kingdom
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LEAD !!!!!!

Surely it would make the sound heavy and "leaden".

You need pure silver sheet for a clear silvery bell-like sound.


Andy


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Old 3rd February 2010, 06:02 PM   #14110
RCruz is offline RCruz  Switzerland
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Silver coating ?!?

What about gold plating the entire chassis ?

Like this ? Luxury Loudspeakers by Gold Acoustics

Ricardo
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