QRO Home Made Linear Amplifier
- 4CX15000a 4CX15000
- 4CX10000d 4CX10000d
- 4CX10000J 4CX10000J
- GU36b GU36b
- GU84B GU84b
- GU74b 4CX800 GU74b
- GS35b HF GS35b
- 3cx1200a7 3cx1200a7
- 4cx600j 4CX600
- 4cx250b 4cx250b
- SK300a SK300 SK-300a
| Tube | Type | FRQ
(max) |
PD(W)
(dissipation) |
P inp.
(W) |
P out. (W) | Available | Price $: (sending and taxes are included) |
| GI-7B | Ceramic-metal triode | ?=10cm | 350 | 1000 | 650 | + | 44 |
| GI-15B | Ceramic-metal triode | ?=9cm | 80 | 229 | 149 | + | 24 |
| GI-21B | Ceramic-metal triode | ?=8.5cm | 110 | 314 | 204 | + | 32 |
| GS-15B | Ceramic-metal tetrode | ?=30cm | 200 | 572 | 372 | + | 36 |
| GS-35B | Ceramic-metal triode | 1000MHz | 1500 | 4286 | 2786 | + | 189 |
| GU-33B | Glass-metal tetrode | 500MHz | 150 | 429 | 279 | + | 32 |
| GU-34B | Glass-metal tetrode | 250MHz | 650 | 1857 | 1207 | + | 49 |
| GU-35B | Glass-metal tetrode | 250MHz | 3500 | 10000 | 6500 | + | |
| GU-43B | Glass-metal tetrode | 100MHz | 1000 | 2857 | 1857 | + | 99 |
| GU-47B | Glass-metal tetrode | 100MHz | 6000 | 23143 | 17143 | + | |
| GU-73B | Ceramic-metal tetrode | 250MHz | 2500 | 7143 | 4643 | + | |
| GU-74B
(4CX800A) |
Ceramic-metal tetrode | 250MHz | 600 | 1714 | 1114 | + | 69 |
| GU-84B | Ceramic-metal tetrode | 250MHz | 2500 | 7143 | 4643 | - | |
| GU-91B
(4CX1600B) |
Ceramic-metal tetrode | 250MHz | 1600 | 4571 | 2971 | - |
P.S. The efficiency of the tubes in class "AB1" -"AB2" are about
50% - 63% it depends on condition angle of the anode current. The choosing
of the condition angle depends on other parameters and regimes of the tube
and schematic of amplifier (grounded grid or grounded cathode and etc.)
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Inviate i vostri commenti e le vostre richieste a:Alfredo
Rosati 
i5uxj@i5uxj-2.cln.it