After no luck finding any information online, I bit the bullet and decided to find out myself how to rewire the tonearm on my Denon DP-60l. Soldering the tiny wires wasn't easy,
stereonomono - Hi Fi Compendium - 12 years on-line: Denon DP-60L (1980)
DENON DP - 60L - YouTube
Latest Listing Refer Jadis/dp Circuit Dp60l/dpl7/dp Series Bile Preamplifier 12ax7 12au7 - Home Theater Amplifiers - AliExpress
Denon DP-60L, feedback of "7" - what's wrong with me? | Audiokarma Home Audio Stereo Discussion Forums
Denon DP-60L Turntables
Denon DP-60L Turntable Ortofon OM20 with a brand new stylus and 1.2m Linn RCA cables Photo #1332286 - Canuck Audio Mart