Yes and a computer in 1965 would have cost £ millions (there were only 3500 in the world I believe when I started programming in 1970) and be less powerful than a cheap mobile phone today. Yes £50,000 then is about the same as £1,000,000 now, the financial industry is a catastrophe, but I compare an LP today with the CD at ⅓ the price and find it too expensive.A £1.50 album bought in 1965 would, with inflation, cost £29.27 today.
https://www.bankofengland.co.uk/monetary-policy/inflation/inflation-calculator
A quick glance at the HMV website shows albums going for about £23-£35, with plenty of offers at £14.
FWIW a good record deck then was about £15 and a studio spec one about £50. Turntables are stupidly expensive today for what they are when one considers how much easier and less skilled complex manufacturing is today.