Allison Model 3 Speakers - with original packaging and literature - $1,000 (South Hamilton)

Allison Model 3 Speakers - with original packaging and literature 1 thumbnail

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condition: like new

make / manufacturer: Allison Acoustics

model name / number: Model 3

size / dimensions: 10" x 15¼" x 40"

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Pair of audiophile Allison Acoustics Model 3 speakers. These are designed to be placed in the corner of a room to make use of standing bass frequencies. The speakers have consecutive serial numbers and are in their original packaging, with the original literature and materials from Allison Acoustics.

Specifications
Speaker complement:
One 10" woofer;
One 3½" Convex Diaphragm mid-range unit;
One 1" Convex Diaphragm tweeter
Crossover frequencies: 350 and 3,750 Hz
Crossover network:
LC half-section at both crossover frequencies. Air-core chokes and non-polar computer-grade capacitors are used. Three-position control switch (accessible from rear), from nominally flat to concert-hall balance slope.
Impedance: 4 Ω nominal (3.5 Ω minimum at any setting of balance switch)
System resonance frequency: 45 Hz, nominal
Effective system Q: 1.0. Low-frequency response -3 dB at 35.5 Hz, -6 dB at 29.5 Hz
Enclosure: Stabilized Radiation Loading sealed acoustic suspension design.
Outside dimensions: 40" high by 15¼" wide by 10" front to back
Occupies 10⅞" of wall space minimum..
Material: High density particle board veneered with walnut, oiled finish
Weight: 45 lbs

post id: 7883284996

posted: 2025-09-22 08:38

updated: 2025-11-02 15:23

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Allison Model 3 Speakers - with original packaging and literature -...