Re: Building a valve radio

From	Michael Black <et472@ncf.ca>
Newsgroups	sci.electronics.misc
Subject	Re: Building a valve radio
Date	2015-06-17 19:30 -0400
Organization	National Capital Freenet, Ottawa, Ontario, Canada
Message-ID	<alpine.LNX.2.02.1506171930040.4587@darkstar.example.org> (permalink)
References	<mlf42r$b89$1@news.albasani.net> <mlj5ej$9gq$1@gonzo.alcatraz>

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On Sun, 14 Jun 2015, Jasen Betts wrote:

> On 2015-06-12, Justin Thyme <JustinThyme@nowhere.com> wrote:
>> Suppose a fellow wanted to build a valve (=vacuum tube) AM radio.  Where
>> might he find detailed instructions?
>
> http://www.amazon.co.uk/Radio-Boys-Junior-Teach-Yourself-x/dp/B0030TYB2Q
>
> I have a copy here, seems pretty detailed. some parts may be hard to
> get, like the "B" batteries.
>
In the antique radio newsgroup, it's not uncommon to put a string of 9v 
batteries toegher to get a "B" battery.  The connectors at the top allow 
them to be connected in series.  It works since B+ was high voltage but 
low current.

   Michael

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Re: Building a valve radio Jasen Betts <jasen@xnet.co.nz> - 2015-06-14 06:02 +0000
  Re: Building a valve radio Michael Black <et472@ncf.ca> - 2015-06-17 19:30 -0400

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