ESC
GRF

GRF

BrandTannoy
FunctionSpeaker
Produced1968
CountryUnited Kingdom
Model IDG.R.F.
Form FactorFloorstanding
Signal PathPassive Hardware
Dimensions60.3 × 106.7 × 43.2 cm (W × H × D)
Frequency Response35Hz-20kHz
Driver15" Dual Concentric (Monitor Red) (AlNiCo Magnet (Ticonal-G), PepperPot Waveguide Woofer: Paper Cone, 2" Voice Coil Treble: 2" Aluminum Alloy Dome)
Impedance16Ω (16Ω Optional)
Efficiency8%
Power Handling50W
Crossover Frequency350Hz (Acoustic), 1000Hz
Enclosure TypeCompound Horn
FinishWalnut
Connections
  • Input · Binding Post
NotesOptional horizontal variant with bass on the long side to match "Lo-Boy" styling.