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Vacuum Tube - 3A4, Pentode, Power Amplifier | Antique ...
https://www.tubesandmore.com/products/vacuum-tube-3a4-pentode-power-amplifier
New-Old-Stock (NOS) tube. The 3A4 is designed for use in compact, lightweight, portable equipment. The relatively large filament employed in the 3A4 enables it to supply the high peak currents required in RF power applications. In RF amplifier service the 3A4 will deliver a power output of about 1.2 watts at 10 megacycles.
3A4, Tube 3A4; Röhre 3A4 ID4280, Vacuum Pentode
https://www.radiomuseum.org/tubes/tube_3a4.html
3A4 You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en] rmXorg
3A4 Power Amplifier Pentode Tube. Designed for use in ...
https://www.rfparts.com/3a4.html
3A4 Power Amplifier Pentode Tube. Designed for use in compact, lightweight, portable equipment as a power amplifier tube. MFR: RCA. SKU: 3A4. New old stock. No longer available for export. 1-800-RFPARTS (1-800-737-2787) 1-760-744-0700 (USA ...
3A4 | NOS Vacuum Tubes for Sale | Tubes Unlimited
https://www.nosvacuumtubes.net/product-category/other-tubes/other-tubes-3a4/
Other Tubes 3A4. 3A4. All prices are per tube. tung-sol 3A4 $ 6.00. Details Add to cart. ... Tubes Unlimited is Your #1 ONLINE Source for NOS Vacuum Tubes All NOS tubes types for home audio and guitar amplifiers. $50 minimum product order
3A4 @ The Valve Museum
http://www.r-type.org/exhib/abo0104.htm
The 3A4 ( DL93) is miniature output pentode is specified for both audio and transmitter use. For a small dry battery valve 1.2 Watts output in the HF range would be quite an achievement. The RCA logo and a view of the two wire grids. The metal structure inside the anode cylinder is the beam plate. This pentode is made as a beam tetrode.
Vacuum Tube - 3A4, Pentode, Power Amplifier | CE Distribution
https://www.cedist.com/products/vacuum-tube-3a4-pentode-power-amplifier
New-Old-Stock (NOS) tube. The 3A4 is designed for use in compact, lightweight, portable equipment. The relatively large filament employed in the 3A4 enables it to supply the high peak currents required in RF power applications. In RF amplifier service the 3A4 will deliver a power output of about 1.2 watts at 10 megacycles.
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