ESC
GRF Memory

GRF Memory

BrandTannoy
FunctionSpeaker
Produced1982-1987
CountryUnited Kingdom
Model IDGuy R Fountain Memory
Form FactorFloorstanding
Signal PathPassive Hardware
Dimensions80 × 110 × 48 cm (W × H × D)
Weight62kg
Frequency Response29Hz-20kHz ±3dB
Driver15" Dual Concentric (3839M) (Ceramic Magnet, PepperPot Waveguide)
Impedance (Nominal)8Ω
Impedance (Minimum)5.5Ω
Sensitivity92dB/W/m
Power Rating (RMS)120W
Power Rating (Peak)500W
Distortion (Third Harmonic, 90dB SPL, 40Hz-20kHz)<0.5%
Distortion (Third Harmonic, 110dB SPL, 80Hz-20kHz)<2.0%
Distortion (Third Harmonic, 113dB SPL, 80Hz-20kHz)<5.0%
Crossover Frequency1kHz (Second Order (12dB/Oct), Time Compensated)
Enclosure TypeBass Reflex
Enclosure Volume220l
Enclosure CompositionParticle Board, Solid Walnut Trim
FinishWalnut, Cork Baffle, Oatmeal Grill
Connections
  • Input (Bi-Wired) · Binding Post (Universal)
Controls
  • Treble Energy (Shelving) (1kHz-20kHz) · ±6dB, 5 Steps
  • Treble Roll-Off (Slope) (5kHz-20kHz) · +3dB/-6dB per octave, 4 Steps