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Ultimate-1
The
heavy-duty frame employs three-inch diameter steel support posts, which may be
filled with sand or lead shot to provide maximum reactive mass. The high mass of the frame system
insures that all of the energy of powerful bass demands is converted to music, giving the tightest,
fastest bass possible. The termination of the front and rear support posts taper to a point to
provide optimum floor coupling.
The standard finish of the frame is a catalyzed paint that provides
a beautiful lustrous black finish. Other colors may be selected. Black Spandex grille cloth is
standard, giving maximum acoustical openness. The interface electronics uses premium hookup wire and
is the first to employ toroidal audio transformers.
The membrane is the thinnest, lowest mass film
commercially available, assuring large, powerful linear membrane excursions and silky-smooth
extended highs. The internal structure of the electrostatic panel is constructed of laser-cut high
density plastic for the ultimate in dimensional accuracy and environmental stability.
Generally, the
philosophy of a manufacturer of high-end products is to provide a product that will satisfy the
majority of its customers. However, for the few customers who cannot betray their personal desires
at any cost, a different approach must be taken. Since the inception of Sound Lab in 1978, we have
continually made improvements. Many of these have been prompted by the customers, themselves. Some
of the suggestions have been of a nature that would not appeal to the majority. Nevertheless, for
those few who must "go all the way" we have devised the Ultimate series. The customer is
invited to assist in choosing some of the critical parts, such as the type of internal conductors
and speaker posts. The color of the framework and the type of grille treatment are other areas in
which the customer may participate. In other words, the Ultimate is a specialized, customized
product that bears the trademark of the owner.
Specifications
| Frequency response |
24 Hz to ultrasonics |
| Audio power (min/max) |
100/500 watts (music) |
| Radiating area |
2200 square inches |
| Horizontal dispersion |
90 degrees |
| Vertical dispersion |
Projected field height of speakers |
| Impedance (nominal) |
8 ohms |
| Sensitivity |
Equivalent to 88 dB/1w/1m,
measured at 4 meters |
Controls
Bass level
Mid-frequencies
High-frequencies
D.C. Bias |
4 positions in 3 dB steps
4 positions in 3 dB steps
Continuously variable
Continuously variable |
| Height x Width x Depth |
82" x 38" x
array: 27", base: 24" |
| Weight (per speaker) |
210 pounds |
| Accessories |
Back wave attenuator (SALLIE) |
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