Forwarding this on to the list. Maybe some of you experts can help this guy.
On Fri, 8 May 1998 12:02:57 +1200, in rec.radio.amateur.boatanchors you wrote:
>Need Help on curing problem with SB-1000. Output stage is arcing badly, even
>on very low Ip [around 100mA]. Have tried replacing decoupling caps on
>either side of series choke but to no avail. Tube appears OK. Only other
>clue appears to be that low drive current is twice what it should be. Have
>heard that it may be parasitics and this can be cured by rewinding portion
>of series choke in opposite direction. This sounds a bit serious so would
>appreciate any practical advice from other SB-1000 owners. 73 de ZL1ARB at
>petals@ihug.co.nz
>
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