I found this address in the 'Manchester Evening News' dated 9th May 1957:
“High Fidelity Developments Ltd., 144-146 Oxford Road, Manchester.”
... and this advert in the 26th September 1958 edition: “All the latest Stereo Records in stock. The HOME MUSIC Shop (High Fidelity Developments Ltd.), Deansgate (Grosvenor end), Manchester.”
“High Fidelity Developments Ltd., 144-146 Oxford Road, Manchester.”
... and this advert in the 26th September 1958 edition: “All the latest Stereo Records in stock. The HOME MUSIC Shop (High Fidelity Developments Ltd.), Deansgate (Grosvenor end), Manchester.”