diyAudio - Philips CDM4 laser pick-up

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octave

8th July 2006 04:38 PM

Philips CDM4 laser pick-up

Hi does anyone know what the different between CDM4 and CDM4/11, CDM4/19 and CDM4/25. Are they all the same or totally different. Thank you.

PetrL

11th July 2006 09:09 AM

CDM4/11 has Hall motor, CDM4/19 brush motor, and the chasiss are completely different, look at http://www.ersatzteil.justone-schnepel.de/
The arms with laserhead are probably compatible.
There are lengthy discussions on these in this forum.

SE_ClassA

11th July 2006 12:29 PM

the /number indicates their speed.

Fin	12th July 2006 12:33 AM

WHAT???

Quote:

Originally posted by SE_ClassA
the /number indicates their speed.

Are you serious???

Bricolo

12th July 2006 06:24 PM

do you mean that the motors spin at different RPM and that the gears have to be different?

I thought that the /X was a revision number

Fin	13th July 2006 12:19 AM

Hi Bricolo

Don't believe everything you read here. Your thinking is correct.

If we believe this "speed" thing - it would mean that a CDM4/31 is almost three times faster than a CDM4/11.................but they are interchangeable.............

The /X is the revision number!

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