TUBE COMPLIMENTS ARE 2 X 6L6,,2X 6J7,,1X 6SN7,,1 X 5U4. ANOTHER ONE AVALABLE IN ANOTHER LISTING.EACH HAS 20 POUNDS PACKED WT. PLEASE CHECK MY OTHER COOL AUDIO STUFF.. The item "RCA 9335 TUBE MONO BLOCK AMPLIFIER #2" is in sale since Tuesday, September 18, 2018. This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Amplifiers & Tube Amps". The seller is "vascotube" and is located in Belleville, New Jersey. This item can be shipped worldwide.