This machine featured the hardened Ferri-chrome heads which after many hours of use look brand new. The tape deck is driven by one DC servo controlled motor, and uses a very similar tension system to the Nagra machines. Thanks head design, this machine boast 30-27 kHz frequency response at 19 cm/s (7.1/2 ips), with a wow and flutter of 0.08%. TC-510-2 could either be operated on 8 D-type batteries, Sony's unique battery pack or slot-in power supply.
After refurbished and cleaning it uses for recording final tracks.
Detailed technical specification on [ www.thevintageknob.org ]