The models 524-M and 525-M are mantel models housed in
attractively designed moulded cabinets, which are produced
in three colours: Ivory, Walnut and Burgundy.
Features of design include: Tropic-proof construction,
automatic volume control, magnetite cores in I.F.
transformers and broadcast oscillator coils, air-dielectric
Electrically, model 524-M closely resembles the models
5I2-M/5I9-M, differences being in the addition of a power
switch on the volume control (R8) and a capacity to mains
aeri-al. (See circuit diagram and code.) For all other
information, refer to the 5I2-M/5I9-M Service Manual.
Model 525-M is the same as model 518-M, except that the
power switch is situated on the volume control (RIO). Refer
to the model 510-M Service Manual for all other information.