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Treat yourself to the wm-d6c. Don't settle for anything less. This is the daddy and won't let you down. You can also connect it to your hi-fi and it's equivalent to any quality separate player. Oh, and it records too.
A working unit can reach 1500€. If it is for transferring tapes, aren't there better options?
I have a cassette player, purely for listening to tapes - I bought it new from ebay. I think it was around £15 and does exactly what I want it to do. It's called "Super USB Cassette Capture" - Auto Reverse Hi-Fi Mega Bass. It sounds fine to me!