long time ago that all the radio only worked with the valves, and were practically in all stages of the apparatus.
Then little by little with the advent of transistors, valves, gradually, they were replaced.
For the first circuit of the VFO tube, which suffered much instability, then the circuits BF, MF and then the last one was also replaced the final stage.
Now in 2010, modern equipment are all scanned with their strengths and weaknesses, flaws that enfattizzano instead the merits of vacuum tube equipment!
modulation and listening to a valve system is something very nice for the amateur radio, and that leaves pleasantly surprised those who grew up only with equipment of last generation.
If today you look for a transceiver to add to your tube station, a classic device that you could come up with is the legendary Drake TR4-C. The Drake
TR4C but has long been in the orbit of collectors, and is very difficle find a full alimentaore Speaker MS4 and AC4 in the 450/500 €!
alternative that can be 'found yet at an affordable price is very tempting but the Yaesu FT-200!
This beautiful unit Yaesu is not often in the mouths of several passionate
ati vintage radio, but instead it is an interesting device! was built in the late '60s, but was revived with a new all black design in the early '70s as an alternative to revolutionary new Yaesu FT-101, and was distributed in Europe by Sommerkamp as Sommerkamp FT-250 and by Henry as a Time in America One.
A nice compact unit, as had the external power supply incorporating a generous speaker.
in apartment are as many as 16 valves! Affecting practically all stages of the apparatus, BF, MF and final.
This radio is a single conversion, and the classic 5 Arranges pre-WARC amateur bands, does not have as well as the Drake TR4-C systems defense as a PBT, Notch, but these shortcomings are overcome by pleasure in the play that will make you turn off your radio crackling dsp!
The first thing you notice is ... Silence!
But I attached the antenna?
Sure, but you've also attached a Yaesu FT-200, an apparatus for converting single-tube, where the silence and clean signals are very common!
The speaker also emphasized the great performance and the audio response of this little gem, which I remember was also the low-frequency valve, unlike the Drake R4C receiver, which instead has a transistor ...
Another strength of this robust system (all metal) is its simple construction, and ease if you have to intervene in case of failure, an apparatus that with a little 'care, will stand firm forever!
In the transmission apparatus performs well with its two power tubes and how 6JS6
all tube, accepts any microphone, ROS and some more ... is certainly not a problem, there is no end to burn, hi hi! Although there are no longer for sale every day, you can 'still be around 200 € complete with its power with the speaker, just a little' patience and thanks to the Internet surely will find it soon!
valves are almost all stock ... They're not easy to find excuses to have more take home a Yaesu FT-200!
iv3hls ham radio tales is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 2.5 Italy License .
