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Axis 12”
(Specifications Manual)
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AXIS 12”
Low Frequency Driver
Thiele Small & Driver Parameters
Parameter 12" Axis Description
Qts 0.35 Total Q
Qes 0.38 Electrical Q
Qms 6.3 Mechanical Q
Fs 28 Hertz, Free Air Resonance
Res 4.74 Ohms, DC resistance
Ls 8.7 H, series inductance
Lp 14.8 H, lossy series inductance
Rp 18.9 Ohms, loss across Lp
Dia 250 m meters, effective
Vas 40 liters, air volume equivalent
mms 280 grams, effective mass
cms 118 um/N, compliance
bl 24.8 T*m, motor strength
SplSens 85.4 dBSPL max @1W absorbed
Parameter 12" Axis Description
Geometric Stroke 16.5 Millimeters, (voice coil - gap) / 2
70% BL 26.5 Millimeters, BL is 0.7 original value (one way)
Xmech 40.6 Mechanical displacement limit (one way)
Long Term Power 1000 Watts
Program Power 4000 Watts, short term peak power limit
*Impedance and TS parameters measured with the coil in series.
*For full system alignment and enclosure recommendations, please visit our website: www.tcsounds.com
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Installation Dimensions
Wire Configurations
Quad Voice Coil Series: Quad Voice Coil Parallel: Quad Voice Coil Series-Parallel:
1Ω + 1Ω +1Ω + 1Ω = 4Ω 1Ω || 1Ω ||1Ω || 1Ω = 0.25Ω 1Ω + 1Ω || 1Ω + 1Ω = 1Ω
Top Assembly
The motor and top assembly are shipped in separate
boxes. Assembly screws and a hex key are included with
the motor to bolt on the top assembly. DO NOT REST TOP
ASSEMBLY ON VOICE COIL. Install the top assembly
slowly onto the motor to avoid scraping or scratching the
coil against the steel gap-plate.
The TC Sounds detachable top assembly makes potential
repairs a simple five minute process. This proprietary
procedure is by far the easiest and fastest way to recone or
repair a broken, damaged or destroyed driver. The entire
frame with all of the soft-parts can easily detach from the
motor and be replaced without glue, shims or any risk of
unaligned coils or user error. The top assembly should fit snug
over the steel gap-plate. Hand tighten the hex screws with the
included hex key and use the included locking washers to
prevent screws from loosening.
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Warranty Includes:
• All manufacture defects
• All obvious cosmetics
• Improperly glued surrounds, suspensions, formers or misaligned coils
• Detached or unglued surrounds
• Broken cones from any forces from the driver itself not related to the impact of bottoming
out the voice coil
• Voice coils that collide with the gap or t-yoke under normal conditions where no preexisting
abuse has occurred
• Alignment of the voice coil or top assemblies/motors which don't fit each other
• Motor glues
Not Covered By Warranty:
• Misuse or over excursion
• Thermal abuse to the voice coil or glues around the voice coil
• Thermal abuse to the lead wires on the spiders
• Mechanical damage due to over excursion or excessive acceleration
• Dents in the cone from bottoming out the driver or inadvertent force
• Spider sag due to gravity in a down or up firing position for long periods of time
• Damage due to moisture
• Shipping damages
• Cosmetic damage
• Consequential damage on other components
For technical or service support please visit www.tcsounds.com or send us an email at
[email protected]. Proof of purchase will be required for return authorization. If your driver
has a detachable top assembly and damage is not covered by warranty, a new replacement top
assembly can be purchased from any TC Sounds authorized dealer or from TC Sounds directly.
Phone Numbers
Business phone: (619) 955-5646
Business fax: (619) 955-5646
Address
4168 Poplar Street, Suite F
San Diego, CA 92105
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