I got my T1154M from a friend who was keen for me to rebuild one of his three R1155s ... Or at least get one working one out of the three. He also had two, largely intact T1154Ms. I agreed to help him with his R1155, provided I got to keep one of the T1154s. That seemed a good deal to me!. Unfortunately it was not possible to do anything with the three R1155 chassis. He finally got a fourth one, albeit missing ALL the key DF components. It has taken me over a year to collect all the missing pieces, but hopefully it will not be another year before another R1155 is brought back to it’s original glory.
As for the two T1154Ms ... I felt it was only right to choose for myself the one
which was least complete. Both the panel meters were missing as were all four of
the valves. As can be seen from the photograph on the right, the paintwork was in
a terrible state. The outside of the case looked as if it had been stored in a pool
of water and such was the rust, it was some time before I was able to extract the
chassis from the case! Quite a few of the Jones-
T1154M -

The first stage of any refurbishment process is always to remove and clean that which
can be easily removed. In this case, all the knobs came off without too much difficulty.
The coloured knobs appear to be some form of coloured Bakelite and clean up rather
well. The cover plates over the Uni-


All four of the valves in the T1154 have the British B5 base as introduced in 1928.
As can be seen, one of these, that of the modulator/side-
ultimate in amplification. Consequentially it is possible to purchase modern ceramic
B5 valve bases with gold-
B5 base -
B5 base -