Wharfedale Pro Airedale Heritage Quick Setup Manual page 13

About Your Loudspeaker 21/01/03 11:06 am Page 2
'THE AIREDALE HERITAGE'
The Airedale Heritage is the largest of the new series of speakers, it is a large format loudspeaker,
utilising 5 drive units per speaker in a 4 way configuration.
The loudspeaker meets the demands of the highest level of hi-fi audiophiler.
The audio range is covered by four ways so that no compromise is made in each section in the
following areas;
Very low distortion across the entire audio band.
Low excursion requirement of the cone drivers.
High flux magnet systems enabling good dynamic response and impulse control.
Broadband dispersion for excellent stereo image and staging.
General time coincident alignment of the drivers at the IEC listening position.
Careful attention to all the component design, operation, integration and acoustics.
THE CABINET
Retro styled similar to the 1960's Wharfedale ' A iredale'. It is period furniture finished in classic oiled
walnut real wood finish with antique gold/brown matching grille and trims. Solid walnut edging is used
on the top and bottom edges, as well as the plinth, and the port and terminal panel edging.
The cabinet is a total internal volume of 178 litres, with a mid chamber of 14 litres. It is constructed
entirely of 25mm MDF boards. The front baffle is tilted back to achieve the best average of acoustic
centre to the IEC prime setup position, it is also angled back at the sides as the optimum for smooth
edge refraction, per olsen. It is additionly internally braced. A large transfer volume, low velocity port
is utilised.
LOW FREQUENCY EXTENSION
The low frequency 380mm 15" driver has an Fs of 20Hz. The system Fb is 30Hz.
MIDRANGE COVERAGE
The bass to middle range is handled by a 200mm 8" driver, this is contained in a sealed chamber of 14
litres. The driver Fs is 50Hz and the system Fb is 80Hz.
The upper midrange is reproduced by a studio monitor quality 75mm 3" soft textile dome. The
midrange is mounted in an aluminium fascia providing slight forward loading. Also in the same fascia
plate is the 25mm soft dome tweeter.
HIGH FREQUENCY TWEETERS
The unit has a forward facing high output 25mm textile soft dome. An additional upward directed
second tweeter may be selected via switch, to enhance the ambient effect of the highest frequencies.