- 1. [Amps] Longetivity of 4CX250B (score: 242)
- Author: g8izy at eurobell.co.uk (Steve Eldridge)
- Date: Fri Jun 20 08:21:43 2003
- I am just about to retire a 4CX250B that was second-hand when I put it into service on 144MHz in a homebrew amp. That was in mid 1998, since then it has been powered up continuously- ready to go at a
- /archives//html/Amps/2003-06/msg00151.html (7,277 bytes)
- 2. [Amps] Longetivity of 4CX250B (score: 242)
- Author: g8izy at eurobell.co.uk (Steve Eldridge)
- Date: Sat Jun 21 09:43:39 2003
- It is an Eimac valve, Peter. Only the best! 73 Steve, ps it worked 2 more grids in a spectacular E's opening this morning!
- /archives//html/Amps/2003-06/msg00172.html (6,908 bytes)
- 3. [Amps] Longetivity of 4CX250B (score: 242)
- Author: g8izy at eurobell.co.uk (Steve Eldridge)
- Date: Tue Jun 24 08:57:01 2003
- luck. IMD tuning required a quite high stage gain to with a VOX relay reducing take a look at the end of this page: Standard Radio ST1610 ship's used for automatic radiotelex service. voltage regulat
- /archives//html/Amps/2003-06/msg00200.html (11,383 bytes)
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