NASH METROPOLITAN CAR
The radio on the right is a
model PE86CR manufactured by the PYE company (UK) for the Nash
Metropolitan 1950's car.
This radio made loud humming noises from the
vibrator found in the power supply. It did not receive at all or very
I brought this radio up on a variable supply DC source (12V) and
determined that the tubes all lit, and the vibrator appeared to be
The original caps in this radio were (3) 16mfd (275V) found in an
electrolytic can under the large orange tubular coil in the photo. They
all tested useless and were disconnected and left in place. Two of the
16mfd caps were used in the power supply and the other was in the final
I replaced these with (Black cylindrical) 22ufd (400V) caps arranged
around the inside of the chassis. This presented quite a challenge in
inserting the caps with limited space.
After this, the radio tested very strong signal and audio with a 1
foot wire antenna from my basement shop.
This again illustrates that Electrolytics are frequently the culprit
in a non-working radio.