Philips CDM4 laser pick-up

octave · 8th July 2006, 04:38 PM

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

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!

8th July 2006, 04:38 PM	#1
octave diyAudio Member Join Date: Jul 2006	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.

12th July 2006, 06:24 PM	#5
Bricolo diyAudio Member Join Date: Nov 2002 Location: Grenoble, FR	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 __________________ Just remember: in theory there's no difference between theory and practice. But in practice it usually is quite a bit difference... Bob Pease

13th July 2006, 12:19 AM	#6
Fin diyAudio Member Join Date: Dec 2003 Location: -	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! __________________ Regards Fin

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11th July 2006, 09:09 AM	#2
PetrL diyAudio Member Join Date: Sep 2005	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.

11th July 2006, 12:29 PM	#3
SE_ClassA diyAudio Member Join Date: May 2006	the /number indicates their speed.

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