The AV 2A3 SL is a direct replacement for the RCA 2A3 monoplate tube. The plate can do 28Watt, but to get this, you need to modify the amplifier. Without modifications, you just plug in this tube into any normal 2A3 amplifier, and tube and amplifuer will work at the normal 2A3 operating point. All AVVT Tubes have a warranty period of 5 years, when ordered via official distributers. Thsi tube uses AVVTs unique Open Filament structure, resulting in high linearity, even at the maximum output voltage. (Note1) Features
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AV 2A3 SL, carbon powdered plates
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Clicke here for Measured Characteristics
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Filament Voltage |
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Filament Current |
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Plate Voltage |
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Plate Current |
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Plate Dissipation |
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Power Output in Class A |
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Plate Voltage |
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Plate Dissipation |
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Plate Current |
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Grid Voltage |
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Plate Impedance |
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Amplification Factor |
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Transconductance |
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Load Impedance |
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Grid Resisor |
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Operating Lifetime |
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Size |
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Weight (C37 Version) |
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For further information about our products, please visit http://www.jacmusic.com
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Note 1) Open Filaments
means, the filaments and the grid are longer than the Plate, and stick
out on both ends for about 5...8mm. The not fully warm ends of the filaments
do not have a very good function, and cause distortion. This tube doesn't
use this part of the filaments. Emitted electrons from the "cold"
ends, will bypass the Plate, and land on the glass. At maximum Power this
may cause fluorescent, blue glow on the tube glass inside. See also our
Tech
Brief on Blue Glow in Tubes.
Note 2) Hard-metal filaments are operated at much higher temperature than normal tubes. This tube will glow bright orange, instead of the dark orange color of nickel filament tubes. Note 3) Individual Test data, such as: Matching Data, Grid Current, Vacuum, Filament Current, etc, are on the Certificate that comes with each individual Tube. Each tube is numbered, inside the glass with a metal Tag Tube pictures with courtesy of VT-Components
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