I bought 5 of these from ATSI - Advantage Tube Services. www.tubeman.com. He claims he can match these. Not sure if it's needed, but I paid a few extra bucks for it anyway.
About $30 each. But they work, no issues, have been running them for 4-5 months. Also has a 90 day warranty if it fails...
About $30 each. But they work, no issues, have been running them for 4-5 months. Also has a 90 day warranty if it fails...