|Year: 1967–1974||Type: Loudspeaker (speaker or headphone)|
|Wave bands||- without|
|Power type and voltage||No Power needed|
|Loudspeaker||Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 15 inch = 38.1 cm|
|from Radiomuseum.org||Model: GRF - Tannoy Products Ltd.; London|
|Shape||Console with any shape - in general|
|Dimensions (WHD)||40 x 46 x 26.5 inch / 1016 x 1168 x 673 mm|
|Notes||Floor standing compound horn corner loudspeaker box with one dual-concentric driver "Monitor Gold" and cross-over LSU/HF/15. Frequency response 30Hz-20kHz.
Finish walnut, alternative sapele or mahogany. Grill cloth vynair.
"GRF" means "Guy R. Fontain", the founder of Tannoy. This is one of several "GRF" models.
Model page created by Georg Richter. See "Data change" for further contributors.
All listed radios etc. from Tannoy Products Ltd.; London
Here you find 45 models, 10 with images and 1 with schematics for wireless stes etc. French TSF for Télégraphie sans fil.