[Amps] 833A/GU-48 x4 Amp support

[Rob Atkinson]

833As are supposed to get squirrely (that is American for unstable)
above 40 m. if I am not mistaken.

73

Rob
K5UJ

2012/2/25 Máximo EA1DDO_HK1H <ea1ddo at hotmail.com>:
>
>
> Hi all,
>
> I am not an amps expert but I am thinking to build an amplifier using 4 x GU-48.
> I guess GU-48 is equivalent to 833A, not sur if all specs are same.
>
> This is trying to get an amp "looking beauty" and good audio quality, it is not looking for extremely high power. I already have an amplifier (Acom 2000A) i can use as driver.
> Something like this, but HF; http://www.luxurylaunches.com/entry_images/0511/17/Audio-Power-Labs-833TNT-tube-amplifier-1.jpg
>
> Gates BC-1g is an example too; http://w5ami.net/bc-1t/833.glow2.jpg
>
> It could be monoband amplifier for 20m, perhaps 40m too.
>
> I thought in GU5b and GU-81M before, but I guess GU-48 is better because needs no specific blower and is triode (easier to build).
>
> Please, Any of you have sperience with this kind of amplifier?
> Any squematic?
> Recomendations?
>
>
> Thank you very much
>
> 73, Maximo - EA1DDO