Summary: the Tenergy 19 is a controllable offensive rubber that has a higher arc, is slower, slightly spinnier and has a softer feel with more ball feeling/dwell time in direct comparison with the famous Tenergy 05. Overall it reminds a little bit of the Nittaku Fastarc G1. Visual impression...
Very easy to control rubber without any weaknesses, but also without any real strenghts.
The Fastarc C1 has got a medium sponge that performs well with an allround offensive playing style. Topspins, even on heavy underspin, are easy to play. Passive blocks and counters can be played without...