Elektra Mobile Audio R12A, R15A Product Manual
Elektra Mobile Audio Products
Elektra Mobile Audio brings reference quality and high end performance
to suit your car audio needs. Here are some other products available
exclusively from Elektra Mobile Audio to complete your install:
Delta Reference Amplifiers
𝛿�4.100AB, 𝛿�2.200AB & 𝛿�1.1200D
T4.100 Tube Amplifier (Limited Ed)
C.6531n – Competition Level
Three Way Component Set
SW12A – 12” Subwoofer
E.651f – Entry Level
Two Way Component Set
R12d2 – 12” Reference Subwoofer
R15d2�– 15” Reference Subwoofer
MANL22.44 – MiniANL Power and
Ground Combination Distribution Block
ANL Fuse Holders (Rated 400A)
60, 80, 100, 150, 200, 250, 300A Fuses
Mini ANL Fuse Holders
(Rated 350A)
60, 80, 100, 150, 200, 250, 300A Fuses
Engine Bay ANL Fuse Holder (400A)
60, 80, 100, 150, 200, 250, 300A Fuses
Available
T-Distribution Blocks
PRODUCT MANUAL
R12A�&�R15A
12” & 15” Reference Subwoofers
Features
The R12A & R15A is our reference level 1200W 12” and 15” car
audio low frequency subwoofer drivers, available in a dual 2
ohm configuration. They feature a high quality triple 3/4” thick
Y35 magnet assembly and a 4 layer 3” coil which delivers tremendous low frequency output in compact enclosures.
The thick paper cone and big roll surround provides an unmatched bass experience. The pole vent and cooling ring promotes cooling to ensure reliability. Push terminals are provided
to ensure a secure connection.
Physical Specifications
R12A
R15A
Overall Diameter
(inches)
12.25
15.5
Mounting Diameter
(inches)
11.25
14.25
Mounting Depth
(inches)
7.6
8.4
Cone Material
Paper
Paper
Dust Cap
Poly
Poly
Frequency Range (Hz)
20-100
20-100
Voice Coil Diameter
3”
3”
Net Weight (lbs)
46
48
Recommended Enclosures
R12A
R15A
Sealed
1.0 ft3
2.0 ft3
Ported
2.5-3.0 ft3 @ 35Hz
4.0-5.0 ft3 @ 35Hz
When using multiple subwoofers in a common enclosure, multiply
the required volume by the number of subwoofers, and use two
ports (as specified above) per subwoofer.
T/S Parameters
R12A
R15A
Fs (Hz)
36.3
37.1
Qms
4.12
4.64
Qes
0.41
0.46
Qts
0.36
0.42
Vas (Litres)
53.6
110.7
Xmax (mm)
25
25
SPL 1W/m (db)
89.9
92.7
Continuous Power (W)
1200
1200
Re (Ω)
4.2
4.2
Le (mH)
7.13
7.27
BL
25.3
25.3
Usage Guidelines
Build rigid enclosures using ¾” MDF or thicker.
Use two layers of ¾” MDF for the enclosure’s baffle.
Use the recommended power and enclosures for the most
reliable operation
Use a 33Hz subsonic filter with the recommended ported
enclosure.
Ensure that all enclosures are securely fastened to the car
before driving to prevent damage occupants or equipment.
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