Personally I wholeheartedly concur with your sentiments here Bill; most of
my shack amps are of the ceramic tube variety and indeed do seem to last
forever.
My only exception amp is the venerable Kenwood TL-922 with its nostalgic
pair of Eimac 3-500Z glass bottles...they too have proven very reliable
workhorses! The proviso rider with any tube is absence of abuse.
73
Leigh
VK5KLT
-----Original Message-----
From: Amps [mailto:amps-bounces@contesting.com] On Behalf Of Bill Turner
Sent: Saturday, 24 January 2015 12:37 PM
To: Amps group
Subject: Re: [Amps] 5 Minutes for Ameritron 811H to warm up?
------------ ORIGINAL MESSAGE ------------(may be snipped)
On Sat, 24 Jan 2015 10:40:33 +1030, Leigh wrote:
>Consequently a matched pair or quad set of reputable brand vintage NOS 811A
>/ 572B tubes are worth their weight in gold....and highly sought after.
REPLY:
It bothers me to see hams wasting their time and money on tubes made
of glass. This is an obsolete technology which is of historical
interest but really has no place with modern amateur radio.
Ceramic tubes are far superior to glass, period. Yes, they are more
expensive but so what? Good stuff costs more. Always has and always
will.
Please do yourself a favor. Save your nickels and dimes, get a second
job, mow lawns or do whatever it takes but get something that works
great and if not abused, lasts essentially forever.
Ceramic is your friend.
Bill W6WRT
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