Your Mirus system contains
speaker drivers and a
tweeter passive crossover
network that were
developed and assembled
with a significant effort in
research and development,
materials science
engineering, an exhaustive
level of sampling and
prototyping, real-world
testing, and obsessive
attention to detail.
The specifications and
parameters of your Mirus
coaxial system is detailed
on these pages.
Tweeter Attributes
Mirus M1
Dome
Small diameter impregnated silk textile dome
with high-loss rubber suspension. The M1 has
an impregnated fine cloth silk dome diaphragm
for a linear, smooth sound, with a high-loss
rubber suspension to damp edge modes and
resonances. The dome is of extremely low mass
and is much less susceptible to mechanical
deformation than other designs, and yet
yields a smooth response over the extent of its
range. At Hybrid Audio Technologies, we feel
larger diaphragm tweeters sound heavy and
unremarkable, lack detail in the upper treble
frequencies, have undesirable polar response,
and are difficult to install. Additionally, we
find metal dome tweeters to be harsh, brittle,
and sound unrealistic. As a small diameter,
soft-dome tweeter, the M1 is the antithesis of
large diaphragm and metal-dome tweeters, for
the effective and convincing reproduction of
treble frequencies.
Voice Coil and Motor System
20mm complimentary design. The motor
assembly is “conventional dynamic”, with a
compact neodymium magnet structure to
ensure a small footprint size and shallow depth.
A perforated grille protects the dome. The voice
coil is ferrofluid cooled and damped.
Tweeter Passive Crossover
Low-Tolerance Mylar Capacitor. The tweeter’s
protection circuit and crossover filter is a very
high-quality, low-tolerance Mylar capacitor
that has been affixed to the coaxials frame. An
outboard crossover “box” is not included for
empirical reasons, explained in this portable
document format download provided for the
Imagine series, a similar crossover topology.
http://hybrid-audio.com/downloads/white-
papers-technical-bulletins/White%20Paper%20
-Imagine-Series%20Crossovers.pdf
Thiele/Small Parameter Discussion for
Mirus Midbass Speakers
The mechanical and electrical parameters of
the Mirus coaxials are amenable to a variety of
different installations and speaker locations. The
high Qms (Q factor of mechanical system) and
Qts (Q factor of total system), coupled with the
driver’s Fs (resonance frequency) allow it to be
used in an “infinite baffle” configuration. In more
practical terms, install the Mirus coaxials such
that the front and back waves don’t “meet” (as
detailed in later in the Basic System Installation),
including in a door or kick panel, or in the
case of a motorcycle, in the fairing (using only
the airspace behind the speaker as a pseudo
enclosure), with no need for a real enclosure or
“box.”
Mirus
Coaxial
Systems
© Hybrid Audio Technologies • Cumming, GA • 770.888.8200
© Hybrid Audio Technologies • Cumming, GA • 770.888.8200
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