Of course not, ONLY heavy tonearm is a good match for a very low compliance cartridge like Denon DL-103. You are way off with Technics tonearm for low compliance catridges. You need superheavy tonearm for this cartridge.
Technics tonearm designed for MM cartridges, they are all mid or high compliance, but your Denon 103 is a low compliance.
Read this article first
Buy a decent vintage MM cartridge instead of DL-103 MC and you will have much better sound
Technics tonearm designed for MM cartridges, they are all mid or high compliance, but your Denon 103 is a low compliance.
Read this article first
Buy a decent vintage MM cartridge instead of DL-103 MC and you will have much better sound