What is stereo?

There are now two system of high fidelity, monophonic (monaural) and stereophonic. Monophonic is a system that starts from one microphone and is fed through a single high fidelity set. Stereophonic is a double system. Two separate microphones are placed at different sides of the orchestra and two different systems are used to keep the two signals or channels separated. Two separate speakers are used, placed on different sides of you room. Stereo is much like 3-D photography, two slightly different sound reach your ears giving you a new dimension in sound.

H.H. Scott '59

Tannoy Canterbury 12

 The Canterbury 12 is a truly special loudspeaker made only to order with certification and personalised nemeplate. Both the Canterbury 12 and the larger Canterbury 15 use the classic Alcomax 3 high-energy magnet versions of the famous Tannoy Dual Concentric driver in either 12-inch or 15-inch chassis.
Alcomax 3 is an unusually high energy permanent magnet. The special iron/nickel alloy is doped with cobalt, aluminium and other rare metals to produce a magnetic material with very special properties. Alcomax 3 has a high remanent magnetism and energy product. In other worlds, it magnetises to a  high level and retains that unusual degree of magnetisation. Alcomax 3 is also an electrical conductor. These properties give the Dual Concentric drive unit using an Alcomax 3 magnet an exceptionally clean transient response and increased sensitivity.
 The Canterbury 12 employs a high performance 12-inch Dual Concentric driver in a braced birch-ply cabinet. Burr walnut veneers and solid walnut mouldings are used to enhance both structure and beauty on the cabinet.
Van den Hul bi-wiring is used through out. High frequency energy can be tailored through high current gold-plated switch blocks with controls for both treble energy and roll-off. Low frequency adjustment is through the Tannoy Variable Distributed Port System (VDPS)

Power Rating:  110 watt RMS (450 watt peak)
Recommended Amplifier Power:  50 - 200 watt/channel
Sensitivity ( 2,83 V at 1 m):  94 dB
Maximum SPL:  114 dB at 1m for 110 watt RMS (121 dB at 1m for 450 watt peak)
Nominal Impedance:  8 ohm
Minimum Impedance:  5,5 ohm
Frequency Response:  33 Hz - 22 kHz , ±3 dB
Crossover Frequencies:  1,6 kHz
Crossover Control:
 ±3 dB over 2,5 kHz to 22 kHz shelving;
+3 dB to -6 dB per octave over 3,7 kHz to 22 kHz slope
Crossover Type:  Bi-wired, hard-wired, passive, low-loss, time and impedance compensated Type 1090
Driver Type:  12-inch Dual Concentric High Compliance Type 3179
Enclosure Type:  Variable Distributed Port
Enclosure Volume:  140 litre
Dimensions (H x W x D):  900 x 580 x 480 mm; (990 x 680 x 540 mm packed)
Weight:  47 kg complete (52 kg packed)
Enclosure Material:  Solid walnut with birch ply

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