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DIY linear tonearm
DIY linear tonearm
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Old Yesterday, 10:54 PM   #3491
warrjon is offline warrjon  Australia
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Join Date: Feb 2011
Location: Terang Vic
Quote:
Originally Posted by dahlberg View Post
When you say "polished to one micron", does that mean that you went from ???? down to 1micron diamond lapping paste ? And how did you manage this ?
I started with fine valve lapping paste, used to lap engine valves. I then polished with 5 micron down to 1 micron diamond paste. I spent a lot of time with the 5um to get the scoring out from the valve paste. To polish I used toothpicks with the point slightly sanded and used them in a cordless drill.
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SP10, ...... DIY Linear tonearm, ......Stanton 881s with D3000 stylus, .....BHL phono,.........Pass B1,
MODULUS 86 power amps x4,.............Active line level OX,......... bi-amped OB speakers with Mark Audio Alpair 12P

Last edited by warrjon; Yesterday at 11:11 PM.
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Old Yesterday, 11:10 PM   #3492
warrjon is offline warrjon  Australia
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Join Date: Feb 2011
Location: Terang Vic
I hate doing jobs twice. I drilled the holes for the wheels too low making the cartridge mounting surface 3mm too high. So I need to make another carriage. Oh well.......
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SP10, ...... DIY Linear tonearm, ......Stanton 881s with D3000 stylus, .....BHL phono,.........Pass B1,
MODULUS 86 power amps x4,.............Active line level OX,......... bi-amped OB speakers with Mark Audio Alpair 12P
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Old Today, 01:09 AM   #3493
hjam is offline hjam  Canada
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Join Date: Mar 2012
Quote:
Originally Posted by warrjon View Post
Hi hjam


that fixture is an ER32 collet block held in a 4 jaw chuck. Can be bought from eBay for about $40.
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Thanks warrjon!
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