Established in 1998, China Guanda Hose Technology Co., Ltd. is a professional vacuum tube manufacturer and wholesaler of hoses and tubes. Our annually capacity of various kinds of hoses is more than 5,000,000 meters. Our customized vacuum tubes products are applied in industrial equipment, hotels, villas, toilets, and kitchens. They are widely used in the field of aerospace, metallurgy, petrol-chemical, machinery, architecture, shipping, vacuum, power and light industries.

Electro-Harmonix is rocking the vacuum tube community with the superior quality of the "EH" series tubes. Electro-Harmonix sound effects are world renown for the soulful warmth of their analog sound and their line of "EH" premium tubes continues in this tradition of classic tone. The Czech/Slovak heritage of superior industrial craftsmanship continues with the new line of Tesla tubes. All tubes are new in their original box. TJ Fullmusic Deluxe Edition 300B+ solid plate, graphite anode, ceramic base, gold pins, strengthened plate structure. Excellent midrange, great sounding tube. Audio frequency amplifier power output of 18-20 watts. The tube stand taller than the 845. (Matched Duet)
The R-122V vacuum tube ribbon microphone offers the ultimate in ribbon microphone performance for those who insist on the very best.

Contoured clear body is easy to grip. Swivel cap for easy opening. 4-1/2" air rings compatible with Diebold vacuum transport system. Includes five different colored labels for color coding lanes.
SOLD BY THE EA. Contoured clear body is easy to grip. Swivel cap for easy opening. 4-1/2" air rings compatible with Diebold vacuum transport system. Includes five different colored labels for color coding lanes. Valve Art Vacuum Tube 2A3B power tube. Very well constructed, very reliable, and rugged. Classic "COKE" bottle ST shape. Internal structure is larger than the regular 2A3. Very nice sound in push pull or single ended amplifiers. Flash Gordon comes to mind looking at this thing. All it needs is a flame under it. Excellent for those antique radio or television restoration projects or to set up a private vacuum tube museum. It is NOS tube - New Old Stock, unused, boxed, and kept for all these years in mint condition.