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50 MHz Amplifier (350 W + using 3 X 06-40 Valves)
http://www.vk3nx.com/files/50MHzAmp.pdf
QQV06-40A QQE06-40 The 06-40 is a DUAL TETRODE tube with the 2 screens internally connected. The Anodes have individual connections on the top of the glass envelope and the Grids are also separate. Please refer to a data book for the “PIN-OUT” connections. POWER SUPPLY REQUIREMENTS FOR THE “VK3NX” 50 MHz AMPLIFIER:
A QQV03-20A or QQV07-50 Audio Amplifier
http://www.r-type.org/articles/art-138.htm
A QQV03-20A or QQV07-50 Audio Amplifier ... The QQV03-20A, QQV03-25, QQV06-40A and QQV07-50 European pattern double beam tetrodes with internal neutralisation all have the same pin connections and trying them in this basic circuit should produce interesting results.
QQV06-40A @ The Valve Museum
http://www.r-type.org/exhib/aaa0001.htm
QQV06-40A. The QQV06-40A is an excellent example of good design. Within the envelope are two beam tetrodes with a maximum anode dissipation of 40 W. Following the European pattern, a central flat cathode is surrounded by a split control grid (one half per valve), a common screen grid is wound next. The two beam forming plates can be seen either ...
QQV06-40A - r-type.org
http://www.r-type.org/pdfs/qqv0640a.pdf
QQV06-40A Author: Mullard Subject: MJ-FP-2003-08-17 Created Date: 8/17/2003 11:24:27 PM ...
QQV06-40A @ The Valve Museum
http://www.r-type.org/exhib/aam0027.htm
The QQV06-40A is a 1950s European pattern double beam tetrode VHF transmitting valve. The European pattern had internal neutralising unlike the American pattern valves such as the 829B that required external neutralising capacitors to prevent oscillations. This is an excellent example of good design.
QQV 06-40A, Tube QQV06-40A; Röhre QQV 06-40A ID20509, Double
https://www.radiomuseum.org/tubes/tube_qqv06-40a.html
Tube QQV 06-40A or Röhre QQV06-40A ID20509, Double Tetrode, Septar (1+6 pins) and shown. Radio tubes are valves.
5894=QQV06-40A | NOS Vacuum Tubes for Sale | Tubes Unlimited
https://www.nosvacuumtubes.net/product-category/other-tubes/other-tubes-5894qqv06-40a/
Other Tubes 5894=QQV06-40A. 5894=QQV06-40A. All prices are per tube. 5894/QQV06-40A $ 59.99. Details Add to cart. All prices are per tube. Colomor 5894/QQV06-40A $ 59.99. ... All NOS tubes types for home audio and guitar amplifiers. $50 minimum product order * 30 Day Rock Solid Warranty on ALL NOS Tubes!
Linear amplifier with QQE06/40 tubes
http://zl1bjq.co.nz/qqeo6p3.html
The new power supply addition uses a custom made toroid. Power rating: 51VA. Primary: 0-230V @ 50Hz. Secondaries: 0-230V @ 150mA rms + 0-24V @ 500mA rms + 0-40V @ 100mA rms. The 230 volts winding is for the regulated screen voltage, the 24 volt winding is for timers and relays, the 40 volts for negative bias.
RADIO VALVES QA TO QZ – Tagged "QQV06-40A" – MULLARD …
https://mullard.org/collections/radio-valves-qa-to-qz/qqv06-40a
NIB = New In Box Reboxed = replacement box for new item Used = used tested. Numbering convention as follows : eg D1, ARD2, CV1078 where the first notation is the valve descriptor and the second and successive notations are equivalent notations for …
QQV07-50 @ The Valve Museum
http://www.r-type.org/exhib/aad0173.htm
A QQV03-20A or QQV07-50 Audio Amplifier - VHF Valve Anode Connector - Inside the QQE03-20 ... Compared to the QQV06-40A the anode has additional cooling fins for better radiation of the heat. The wide glass tube envelope is 41 mm in diameter …
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