PRESTIGE GR & ST300-MG SUPERTWEETER MANUAL_03
Mercur
y 7
INTRODUCTION
Congratulations on choosing this precision hand-crafted component, to complement your Tannoy Dual Concentric
loudspeaker system. Before removing from the packaging and installing, please take the time to read these
instructions, in order to prevent possible damage.
The Prestige GR and ST-300Mg SuperTweeters are designed to provide the extended high frequency response
demanded by modern programme material and sources. Musical information contains transient information, beyond
the range of human hearing for pure tones. For music to be accurately reproduced, we find it essential to accurately
preserve this information.
Even with conventional CD sources, the addition of a SuperTweeter reduces phase error and improves transient
performance significantly below 20 kHz. This leads to increased tonal accuracy at all frequencies, as the harmonics of
instruments are not distorted in time. This benefits any high quality loudspeaker, but especially the Dual Concentric,
with its superior time alignment in the first place. It should be noted though, that even with the addition of a
SuperTweeter, the Dual Concentric still acts effectively as a coincident point source, as it is still responsible
for generating the vast majority of musical information. Further clear benefits result from improved high
frequency dispersion.
Although initially conceived to complement our modern Dual Concentric loudspeakers, these SuperTweeters will
equally find application with any of our earlier classic designs, be they previous Prestige models, HPD, Monitor Gold or
Monitor Silver for example. Adjustments are provided for crossover frequency and level to enable accurate matching.
FEATURES
• High stiffness magnesium alloy dome to minimise effects of dome break-up and extend frequency response.
• Neodymium magnet system also extends frequency response by minimising eddy current losses in the voice coil.
• Provision for driver magnet system earthing to avoid interference and information masking caused by radio interference.
• Very high purity silver plated matched crystal OFC internal wiring, PTFE coated dielectric.
• Plated terminals and adjustment screws for high signal transparency.
• Air core inductors in crossover for good high frequency characteristics.
• Non-inductive metal oxide film resistors on ceramic substrates, avoid losses associated with wirewound types.
• High quality polypropylene film capacitors, selected for high frequency use.
UNPACKING INSTRUCTIONS
Caution:
The magnesium dome on this SuperTweeter is very delicate. Although protected by a metal guard, take care to avoid
pressing on this during unpacking and installation, in case damage results.
Always keep the packaging for future use.
ENVIRONMENTAL CONSIDERATIONS
Do not install the SuperTweeter in the following conditions:
• Very warm or humid areas (such as near swimming pools, kitchens or bathrooms).
• Near to a fire or heating appliance.
• In direct sunlight.
