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TAD Reference One Owner’s Manual

Bass Drivers

The foundation of the TAD Reference One

loudspeaker is the bass drivers, as shown in Figure 3.

The driver cones are constructed from a tri-laminate of

front and rear-woven aramid fibers that sandwich a

foamed acrylic core. This provides enormous strength

to the cone in order to resist any flexing due to the

high forces exerted during loud bass passages.

To achieve high drive linearity, the motor structure

employs short coil and long gap geometry, Faraday

shorting rings, and a novel flux path for even lower

distortion. Combined with advanced spider and

multi-roll surround design, the bass driver has over 30

mm (1.25 in.) of linear drive capability, as shown in

Figure 4.

Figure 3. The TAD Reference One’s Bass Drivers.

01020304050

(

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Figure 4. BL versus excursion for the TAD Reference One’s bass driver.

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Pioneer TAD-R1 User Manual Page 6