At Photovac Laser RF Power, exciters that power your Coherent and Synrad laser tubes at expertly serviced. We have an extremely good track record of repairing radio exciters. Photovac can repair both air and water cooled units. We have most every electronic component along with “new” circuits if required. Here are just some of the RF units that we repair. Before you act, always check your internet search for Photovac’s service reputation. We stand behind our workmanship 100% and offer warranty coverage.