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Ferguson 382U is one of a range of a.m/f.m receivers that were built by Thorn
Electrical between the mid and late 1950's. They look good in appearance, but
can be difficult to work on.
My receiver was introduced in 1956, and has f.m, medium & long wave band
reception. The Ferguson 382U is of course an a.c/d.c mains valve radio.
The valves used are as follows:-
UCC85, UCH81, UF89, UABC80, UL84, UY85.
The main problems on these receivers are:-
(a) The wave change switching. This is carried out by a control knob (behind
the tuning knob on the r.h side of the radio). There are grooves behind this
knob to activate a small cog which sits on a shaft for the switch, this cog
is of cheap material which is usually found to be broken. A brass replacement
was used in my receiver, but if the original can be repaired then use that!
(b) F.M Tuning. The F.M Tuner is housed in a strange screening can which is
difficult to access, and you have to remove both a.m & f.m tuning cords
to do it. In most radios, lack of F.M can often be traced to a faulty UCC85
(ECC85 if a.c mains), but not in this case. Thorn, like others used cheap resistors
& capacitors at this time. They go way out of tolerance levels. If you get
in the f.m tuner, check the grid resistors of the UCC85 valve (surprise!)
(c) The Loudspeaker can be troublesome in these radios, replace it!
(d) As said earlier, check all the small resistors for tolerance, and replace
them. Same with all the Hunts capacitors.
A great looking receiver. I remember my maternal grandparents having one of
these Ferguson 382U radios at their cottage in Suffolk when I was on holiday
there in 1961.
The Ferguson 384U replaced the 382U in 1959. Whilst the 384U had "piano-key"
wave change switches (so Thorn Electrical learned their lesson about the wave
change cog), it stilll had that awkward to access f.m tuner
"FIREFLY" valve mains radio -additional information.
Due to an
advert, which I placed in a recent B.V.W.S bulletin, with regards spare nylon
cogs for actuating the wavechange system on these sets - as these cogs get
brittle with old age !. I managed to get a reply from a fellow member, Mike
Field, who said that he could manufacture me a replacement cog, in brass.
I have received the new cog, and after fitting it on the wavechange switch
shaft in the set, found that the cog teeth (although slightly larger than
that of the original) meshed with those on the back of the wavechange knob,
and hence operated the switch, so making the project a success !.
I coated both
the brass cog, and the teeth of the activating knob in grease, so they mesh
can be contacted by telephone, on ( 01886) 832107 (he did give me permission
to put this information on the site). If you have problems with the cog on
this radio, do contact him, and he will endeavor to make you a brass replacement
for a reasonable price. A very useful contact !
This site is run and maintained by Hornes
Electronic Services Saxtead Suffolk.