| Page 25 / 145 |
The BBC PA Stabiliser. This was a RF-based frequency shifter, designed to reduce howl-round in public address systems, but it could also be used for special effects.
| Page 25 / 145 |
The BBC PA Stabiliser. This was a RF-based frequency shifter, designed to reduce howl-round in public address systems, but it could also be used for special effects.