I’ve used two Chinese 8877 tubes for several years. They require
slightly more grid current than the Eimac versions, but are otherwise
identical. Is there hard evidence that Chinese tubes are inferior?
73,
Jim w8zr
Sent from my iPhone
> On Jan 22, 2022, at 7:10 AM, BILL KENNAMER <k5fuv@prodigy.net> wrote:
>
> The guy that bought Alpha already owns a solid state amplifier company.K5FUV
>
>
> Sent from AT&T Yahoo Mail for iPad
>
>
> On Saturday, January 22, 2022, 7:15 AM, gudguyham--- via Amps
> <amps@contesting.com> wrote:
>
> It’s to the point that Eimac tubes are just too expensive and one thinks hard
> that the price of an Eimac 8877 or pair of 3cx800’s are half or more of a
> modern entry level solid state amplifier. The Chinese make low cost tunes in
> comparison but the quality is as low as the price too. You’ll probably buy
> two Chinese tubes of any sort to one Eimac. The new 9500 he talks about will
> probably be a Chinese 8877, their 4cx1000’s in the big dual amp are Chinese.
> OM Power uses the Chinese FU728, about a $400 tube but can’t hold a candle to
> s your Eimac tube. Will be interesting to watch unfold.
>
>
> Sent from the all new AOL app for iOS
>
>
> On Saturday, January 22, 2022, 8:04 AM, Rob Atkinson <ranchorobbo@gmail.com>
> wrote:
>
> I hope that guy starts making stuff soon because if he keeps moving in
> there won't be any hams left by the time he goes into production. I
> wonder how he gets financing with no revenue coming in. I love tube
> gear as much as anyone and have no plans to ever run a final PA that's
> solid state, but the reality is hams are the last ones running RF
> power grid tubes now and the ham population isn't big enough to
> sustain production. That's why popular tube prices are going high. A
> large number of amplifier buyers are contesters and dxers, mostly old
> hams who can't move heavy power supplies around. They're buying solid
> state gear and that's the future. If I were to start up an RF power
> amplifier business I'd focus on more than the ham market and not even
> consider anything that uses tubes. I'm waiting for the news
> Ameritron is discontinuing production of some of their line. Their
> dual 3-500 amplifier is $4000!
>
> The good news is the thousands and thousands of existing tube
> amplifiers and transmitters that are already out there and available
> second hand.
>
> 73
> Rob
> K5UJ
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