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From: Geoffrey S. Mendelson on 30 Jun 2010 07:29
Arfa Daily wrote:

> If I told you that Geoff, I'd be destroying my niche market. Suffice to say
> that they used triodes with more than three electrodes ... d;~}

Don't forget to sell them these:

http://global.aopen.com/products_detail.aspx?Auno=53

Although they have long since been discontinued (or deleted in English).

Geoff.

--
Geoffrey S. Mendelson, Jerusalem, Israel gsm(a)mendelson.com N3OWJ/4X1GM
I do multitasking. If that bothers you, file a complaint and I will start
ignoring it immediately.
From: Arfa Daily on 30 Jun 2010 11:39


"Geoffrey S. Mendelson" <gsm(a)cable.mendelson.com> wrote in message
news:slrni2maf9.qj2.gsm(a)cable.mendelson.com...
> Arfa Daily wrote:
>
>> If I told you that Geoff, I'd be destroying my niche market. Suffice to
>> say
>> that they used triodes with more than three electrodes ... d;~}
>
> Don't forget to sell them these:
>
> http://global.aopen.com/products_detail.aspx?Auno=53
>
> Although they have long since been discontinued (or deleted in English).
>
> Geoff.
>
> --


Oh, that's soooo unfair. I was just about to put in an order for some of
those to use as the controller for my LED pilot bulb replacement upgrade ...
Rats. I guess it's back to using the warehouse full of ZX Spectrums that
I've got then ... :-|

Arfa

From: N_Cook on 30 Jun 2010 12:23
Arfa Daily <arfa.daily(a)ntlworld.com> wrote in message
news:GyJWn.72240$vB5.65494(a)hurricane...
>
>
> "Geoffrey S. Mendelson" <gsm(a)cable.mendelson.com> wrote in message
> news:slrni2maf9.qj2.gsm(a)cable.mendelson.com...
> > Arfa Daily wrote:
> >
> >> If I told you that Geoff, I'd be destroying my niche market. Suffice to
> >> say
> >> that they used triodes with more than three electrodes ... d;~}
> >
> > Don't forget to sell them these:
> >
> > http://global.aopen.com/products_detail.aspx?Auno=53
> >
> > Although they have long since been discontinued (or deleted in English).
> >
> > Geoff.
> >
> > --
>
>
> Oh, that's soooo unfair. I was just about to put in an order for some of
> those to use as the controller for my LED pilot bulb replacement upgrade
....
> Rats. I guess it's back to using the warehouse full of ZX Spectrums that
> I've got then ... :-|
>
> Arfa
>


What is the state of the vacuum-formed plastic of the Sinclair ZX80s these
days?


From: Arfa Daily on 30 Jun 2010 20:34


"N_Cook" <diverse(a)tcp.co.uk> wrote in message
news:i0fr3p$a8g$1(a)news.eternal-september.org...
> Arfa Daily <arfa.daily(a)ntlworld.com> wrote in message
> news:GyJWn.72240$vB5.65494(a)hurricane...
>>
>>
>> "Geoffrey S. Mendelson" <gsm(a)cable.mendelson.com> wrote in message
>> news:slrni2maf9.qj2.gsm(a)cable.mendelson.com...
>> > Arfa Daily wrote:
>> >
>> >> If I told you that Geoff, I'd be destroying my niche market. Suffice
>> >> to
>> >> say
>> >> that they used triodes with more than three electrodes ... d;~}
>> >
>> > Don't forget to sell them these:
>> >
>> > http://global.aopen.com/products_detail.aspx?Auno=53
>> >
>> > Although they have long since been discontinued (or deleted in
>> > English).
>> >
>> > Geoff.
>> >
>> > --
>>
>>
>> Oh, that's soooo unfair. I was just about to put in an order for some of
>> those to use as the controller for my LED pilot bulb replacement upgrade
> ...
>> Rats. I guess it's back to using the warehouse full of ZX Spectrums that
>> I've got then ... :-|
>>
>> Arfa
>>
>
>
> What is the state of the vacuum-formed plastic of the Sinclair ZX80s these
> days?
>
>

I'd forgotten that ! Dunno. haven't seen one in years ...

Arfa

From: Jeffrey D Angus on 7 Jul 2010 11:19
Gareth Magennis wrote:
> "Phil Allison" <phil_a(a)tpg.com.au> wrote in message
>> Whole PCBs going leaky is hardly an example of "normal wear and tear".
>
> Er, no they are not.
>

Tube sockets and PCBs have always been a problem.

The trick is to bite the bullet and mount the high power
tubes on the metal chassis and hand wire them to the
rest of the low power stuff on the PCB.

Jeff


--
�Egotism is the anesthetic that dulls the pain of stupidity.�
Frank Leahy, Head coach, Notre Dame 1941-1954

http://www.stay-connect.com
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