Raw Drivers
LDW7 — 7" Midwoofer
★★★★★The LDW7 is a formidable woofer that easily competes with woofers costing 2-3 times more. It's low distortion let's you hear all the details in your music while its specifications give it deep bass in a modest cabinet with plenty of linear throw to pump out music even at higher volumes.
Shipping
Kits and drivers ship from our workshop in Plymouth, Michigan. Fully finished speakers are built to order by our Custom Shop; contact us for current lead times.
Support
Questions mid-build? Call (734) 892-0886 or email info@css-audio.com and we will help you finish the job.
The details
About the LDW7 — 7" Midwoofer
The LDW7 is a formidable woofer that easily competes with woofers costing 2-3 times more. It's low distortion let's you hear all the details in your music while its specifications give it deep bass in a modest cabinet with plenty of linear throw to pump out music even at higher volumes.
Symmetrical motor structure for optimal drive force balance with built-in aluminum field-stabilizing ring reduces even order harmonic distortion
Centre pole copper cap reduces voice coil inductance and minimizes variations in inductance relative to voice coil position
New paper/fiberglass cone with improved consistency and stability
Die cast well vented aluminum basket reduces air flow speed and audible distortion
Vented voice coil former reduces distortion and compression
Vented dual flared center pole reduces noise at large cone excursion
Heavy-duty black fiber glass voice coil former reduces mechanical losses resulting in better dynamic performance and low-level detail
Large diameter 1½” voice coil permits better control and power handling
Low-loss suspension (high Qm) allows better reproduction of details and dynamics
Conex spider provides better durability under extreme conditions
Gold plated terminals ensure long-term trouble free connection
80W RMS, 200W Peak
Parameters
Fs 31 Hz
SPL 86.8 dB
Nom Imp 8ohm
Mms 21.9g
BL 8.2
Cms 1.3mm/N
Vas 31.2L
Rms .45
Qms 9.1
Qes .40
Qts .38
RDC 6.4ohm
Le .13 Mh
Xmax 5.5MM
Sd 131mm^2
Dimensions
Outside Diameter 182mm
Cutout Diameter 153mm
Depth 88mm
Measurement Data
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