GRF 90
The Gold Reference GRF 90 is a limited edition speaker marking TANNOY’s 90th Anniversary. Utilising a 300 mm (12") Gold Reference Dual Concentric driver housed in a beautifully designed, oiled walnut cabinet, provides the opportunity for music lovers to own an exclusive and high performance loudspeaker from the world-famous TANNOY Brand. GRF 90 uses the initials of the company’s founder, Guy R Fountain, who started the company in London in 1926.
Specifications
PERFORMANCE
Recommended amplifier power 20 - 280 Watts RMS
Continuous power handling 140 Watts RMS
Peak power handling 560 Watts
Sensitivity 95 dB (2.83 Volts @ 1 m)
Nominal Impedance 8 ohm
Minimum Impedance 5 ohm
Frequency Response 24 Hz - 27 kHz (-6 dB)
Dispersion 90 degrees conical
Dual Concentric Drive Unit
Low Frequency 300 mm (12”) with paper pulp cone and twin roll impregnated fabric surround. 52 mm (2”) round wire voice coil
High Frequency 52 mm (2”) aluminium/ magnesium alloy dome with round wire voice coil
CROSSOVER
Crossover type Bi-wired, hard wired passive, low loss.
Time compensated. 2nd order low pass, 2nd order high pass.
Cryogenically treated
Crossover Frequency 1.1 kHz
Adjustments +/-3 dB over 1.1 kHz to 27 kHz shelving
+ 2 dB to -6 dB per octave over 5 kHz to 27 kHz slope
CABINET
Enclosure Type Dual rear ported
Volume 210 litres (7.4 cu. ft)
Dimensions (H x W x D) 1240 x 550 x 465 mm (48.8 x 21.7 x 18.3”)
