Help! Questions re Linn LP12

CC99 · 13th March 2008, 03:51 AM

Hi All! I recently acquired an older Linn LP12 and I can't figure out if the power source is original or a non-Linn replacement. I know the unit is older (i.e. probably pre-1985) but I do not know when exactly it was purchased.

Any advice on what you see in the pics attached would be most appreciated. I will gladly answer requests for further info.

Many thanks,
CC99

vinylkid58 · 13th March 2008, 06:10 AM

Go to the vinylengine library link which shows the history of how the LP12 evolved and the serial number sequence. This should give you a pretty good idea of when your table was produced.
Here is the Analogue Addicts LP12 FAQ page for more info.
I have an early wiring diagram in pdf format that I can email to you if need be. It looks like what you have in the pic.

Jeff

CC99 · 13th March 2008, 03:15 PM

Jeff, thanks for your helpful info. The SN indicates the unit is very early, around 1973 I suppose. SN=20555.

I cannot email right now (newbie status) but would greatly appreciate the PDF of the circuit you mention. Could you send it to me please?

My email is bubbachalubba@gmail.com.

Many thanks,
CC99

oshifis · 13th March 2008, 05:15 PM

Quote:

Originally posted by CC99
Any advice on what you see in the pics attached would be most appreciated.

This mains noise filter is a horror! Was it made by a butcher's apprentice?

analog_sa · 13th March 2008, 06:37 PM

Quote:

Originally posted by CC99

Any advice on what you see in the pics attached would be most appreciated. I will gladly answer requests for further info.

Many thanks,
CC99

Once i had an even older Linn. There has to be a phase-splitting cap and a votage dropping resistor. The two extra cap are indeed to filter switching on/off noise.

vinylkid58 · 13th March 2008, 09:26 PM

CC99,

I tried to send you a file but your email bounced.

Jeff

CC99 · 13th March 2008, 10:07 PM

Thanks for trying Jeff. The link works for me - no typos.

Couldn't post all pics earlier, so here are links for anyone interested.

http://img145.imageshack.us/im.....perbz1.jpg
http://img145.imageshack.us/im.....tonkd6.jpg
http://img145.imageshack.us/im.....er1pw5.jpg
http://img145.imageshack.us/im.....er2yi5.jpg
http://img145.imageshack.us/im.....rd1mr7.jpg
http://img145.imageshack.us/im.....rd2su1.jpg

CC99 · 14th March 2008, 12:02 AM

Oh brother, let's try that again - sorry ...

http://img145.imageshack.us/img145/2...12upperbz1.jpg
http://img145.imageshack.us/img145/6...rbuttonkd6.jpg
http://img145.imageshack.us/img145/7...2under1pw5.jpg
http://img145.imageshack.us/img145/1...2under2yi5.jpg
http://img145.imageshack.us/img145/9...rboard1mr7.jpg
http://img145.imageshack.us/img145/6...rboard2su1.jpg

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13th March 2008, 06:10 AM	#2
vinylkid58 diyAudio Member Join Date: May 2005 Location: Victoria, B.C.	Go to the vinylengine library link which shows the history of how the LP12 evolved and the serial number sequence. This should give you a pretty good idea of when your table was produced. Here is the Analogue Addicts LP12 FAQ page for more info. I have an early wiring diagram in pdf format that I can email to you if need be. It looks like what you have in the pic. Jeff

13th March 2008, 03:15 PM	#3
CC99 diyAudio Member Join Date: Mar 2008	Jeff, thanks for your helpful info. The SN indicates the unit is very early, around 1973 I suppose. SN=20555. I cannot email right now (newbie status) but would greatly appreciate the PDF of the circuit you mention. Could you send it to me please? My email is bubbachalubba@gmail.com. Many thanks, CC99

13th March 2008, 09:26 PM	#6
vinylkid58 diyAudio Member Join Date: May 2005 Location: Victoria, B.C.	CC99, I tried to send you a file but your email bounced. Jeff

13th March 2008, 10:07 PM	#7
CC99 diyAudio Member Join Date: Mar 2008	Thanks for trying Jeff. The link works for me - no typos. Couldn't post all pics earlier, so here are links for anyone interested. http://img145.imageshack.us/im.....perbz1.jpg http://img145.imageshack.us/im.....tonkd6.jpg http://img145.imageshack.us/im.....er1pw5.jpg http://img145.imageshack.us/im.....er2yi5.jpg http://img145.imageshack.us/im.....rd1mr7.jpg http://img145.imageshack.us/im.....rd2su1.jpg

14th March 2008, 12:02 AM	#8
CC99 diyAudio Member Join Date: Mar 2008	Oh brother, let's try that again - sorry ... http://img145.imageshack.us/img145/2...12upperbz1.jpg http://img145.imageshack.us/img145/6...rbuttonkd6.jpg http://img145.imageshack.us/img145/7...2under1pw5.jpg http://img145.imageshack.us/img145/1...2under2yi5.jpg http://img145.imageshack.us/img145/9...rboard1mr7.jpg http://img145.imageshack.us/img145/6...rboard2su1.jpg

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