A very rare early model, with not much info around. I’ve only found this one brochure mentioning the Rydal.
|Year of Release|
|Dimensions (WxHxD)||239mm x 420mm x 228mm|
|Recommend Amplifier Power||10 -100W|
|Power Handling||100 watts|
|Nominal Impedance||8 ohms|
|Bass Resonance Frequency|