I believe StereoExchange on Broadway and Houston carries Atoll tube gear. It's fairly inexpensive Chinese stuff.

You can also try the Audio Doctor in Jersey City. www. audiodoctor.com

We are a high end audio specialty shop located three miles from NY City we have five sound rooms and feature: Cayin, Manley, Vincent, Cary and many other high quality reasonably priced tube amplifier and integrated lines.

We also feature: Plinius, Bat, Nuforce, Dali, Usher, Morel, Volent, Rega, Cambridge, NAD, Anthem, Primare, Synergistic Research, Acoustic Zen, Richard Gray and many others give us a look.