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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[Amps\]\s+SB220\s+running\s+plate\s+current\s+when\s+no\s+drive\;\s+Problem\s+found\s*$/: 4 ]

Total 4 documents matching your query.

1. Re: [Amps] SB220 running plate current when no drive; Problem found (score: 1)
Author: Steve AA7V <aa7victor@gmail.com>
Date: Mon, 5 Oct 2020 19:28:04 -0700
Hello to the group; First, thanks to the many folks that took the time to answer my inquiry. Your responses are greatly appreciated. Second, I removed one of the tubes, powered on the amp and the beh
/archives//html/Amps/2020-10/msg00004.html (9,056 bytes)

2. Re: [Amps] SB220 running plate current when no drive; Problem found (score: 1)
Author: Donald Fox via Amps <amps@contesting.com>
Date: Tue, 6 Oct 2020 02:49:44 +0000 (UTC)
Steve: Glad to hear you got it figured out in short order. If only the majority of repairs in amplifiers were as easy as this one. Thankfully, the tried and true 3-500s are still in production, and n
/archives//html/Amps/2020-10/msg00005.html (9,598 bytes)

3. Re: [Amps] SB220 running plate current when no drive; Problem found (score: 1)
Author: Rob Atkinson <ranchorobbo@gmail.com>
Date: Tue, 6 Oct 2020 06:11:38 -0500
3-500s may still be in production but the cost is high compared to years ago and quality may be questionable. Good tubes in ham service should last for decades. There are SB220s out there with the or
/archives//html/Amps/2020-10/msg00009.html (7,112 bytes)

4. Re: [Amps] SB220 running plate current when no drive; Problem found (score: 1)
Author: Jim <jimw7ry@gmail.com>
Date: Tue, 6 Oct 2020 12:23:49 -0500
What brand is the defective tube?  What is the date code? Thanks Thanks 73 Jim W7RY On 10/5/2020 9:28 PM, Steve AA7V wrote: Hello to the group; First, thanks to the many folks that took the time to a
/archives//html/Amps/2020-10/msg00014.html (9,402 bytes)

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