Chris,
Virtually all Linn cartridges are manufactured by someone other then Linn.Try to find out who made the Linn cartridge you consider to be most suitable for the arm,and see what other cartridges within that same manufacturer's line-up would be suitable.
It's worth a try.
Turntable: Yamaha GT 2000/Clearaudio Magix
Cartridge: Soundsmith 'The Voice' Ebony
Phono Stage: Moon LP 5.3
Preamp: Transcendent Sound Grounded Grid
Active Crossover: Accuphase F-25
Treble Amps: 2 x Kenwood L-06M
Bass Amps: Kenwood L-1000M
Speakers: DIY Activated Altec Valencia 846As