I have a late '70s UK Dynatron RG87 radiogram fitted with a Garrrard 6300 & Shure M75 6s; the SRX26 chassis has a very crude phono stage so while FM radio sounds excellent, listening to vinyl is not good !
In contrast I have a '69 Bush SG55 fitted with a Garrard 3500 & Sonotone
9TAHC ceramic. This sounds far superior; the 3500 is very well made (cf the 6300 build quality), the tonearm is very rigid & is the perfect partner for the Sonotone 9TAHC. The SG55 also has the correct 1M input impedance required by ceramics as well as wideband high efficiency 2 way speakers. Visitors cannot believe they are listening to a Sonotone ceramic ! Styli are still available, but it is necessary to select a good one from a sample (they are cheap mind).
In a nutshell, the 3500 was a well built deck & still works perfectly after 45 years !
; the 6300 is just too compromised & flimsy to bother with in my opinion.