The Tact doesn't require anything special in a transport. From the Tact website:
"Lower sampling rate formats such as CD and DAT are upsampled with the highest quality sample rate converter at the input so that DA conversion can take place at 192 kHz. "
These are user-selectable. The Toslink only does up to 96, though.
So, get as good a transport as you can afford, and don't skimp on the digital cable (I've found this as important as the transport--my digital cable actually costs more than my transport). With my Tact, I've used transports from Micromega, Tascam and a couple modified Sonys.
The Empirical-modded Sony 7700 is my current reference. I also use a Genesis Digital Lens between the transport and Tact. It lowers jitter and really makes a difference. It can be set to upsample to 20-bit output, and add dither, if you want (I like the sound this way).
You can consider other jitter boxes, such as the Sonic Frontiers, which upsamples to 24/96 and send that to your Tact. I tried one in my system and actually preferred the upsampling being done by the Tact instead, but YMMV. I also used a Camelot, but ultimately settled on the Lens. Or you can get an upsampling transport like the Northstar, but I think if it came to a choice I'd recommend the Lens.
Good luck. The Tact is some great (and underappreciated) equipment. Consider a good power cord and isolation, as, as most digital gear, these are sensitive and responsive areas.
Good luck
"Lower sampling rate formats such as CD and DAT are upsampled with the highest quality sample rate converter at the input so that DA conversion can take place at 192 kHz. "
These are user-selectable. The Toslink only does up to 96, though.
So, get as good a transport as you can afford, and don't skimp on the digital cable (I've found this as important as the transport--my digital cable actually costs more than my transport). With my Tact, I've used transports from Micromega, Tascam and a couple modified Sonys.
The Empirical-modded Sony 7700 is my current reference. I also use a Genesis Digital Lens between the transport and Tact. It lowers jitter and really makes a difference. It can be set to upsample to 20-bit output, and add dither, if you want (I like the sound this way).
You can consider other jitter boxes, such as the Sonic Frontiers, which upsamples to 24/96 and send that to your Tact. I tried one in my system and actually preferred the upsampling being done by the Tact instead, but YMMV. I also used a Camelot, but ultimately settled on the Lens. Or you can get an upsampling transport like the Northstar, but I think if it came to a choice I'd recommend the Lens.
Good luck. The Tact is some great (and underappreciated) equipment. Consider a good power cord and isolation, as, as most digital gear, these are sensitive and responsive areas.
Good luck