Specifications
Advanced FEA Motor System
• Double stacked 1" tall ferrite magnets and bored T-yoke for long throw
• 135oz top grade magnet structure
• Anti-flux modulation copper shorting ring to lower distortion (12" only)
• Low carbon steel used for the gap plate and t-yoke
• Pole vent for lower distortion and cooling capabilities.
Advanced high excursion soft part system
• High excursion 8.5" linear roll poly-cotton spider
• Intergraded woven leads to prevent lead-slap
• 2" diameter, 4-layer aluminum wire voice coil with an anodized aluminum former
• Single or dual 3.4Ω (4 ohm nominal) voice coil configuration
• Lightweight brushed and powder coated aluminum cone (12" only)
• 1" wide long throw, highly durable NBR surround
• High quality thermal flexible epoxies to ensure longevity
Performance
• Effective motor force of 50 Newtons2 per watt (BL2/Re)
• 400 watts continuous power (1000 watts peak)
• 20mm BL XMax (voice coil, one-way)
• 34mm XMech (mechanically limited, one-way)
12" dB-500 SVC
Qts 0.447
Qes 0.481
Qms 6.347
Fs 24Hz
Res 3.25Ω
Ls 2.36
Lp 3.51
Rp 2.91Ω
Dia 241mm
Vas 71.5l
mms 169g
cms 244um/M
bl 13.3Tm
Spl 86dB
Small Box
12dB-500
Type Volume Tuning Fq Area Port/Pass Length / Mass
Sealed 1.4ft3 NA NA NA
Ported 2.2ft3 32Hz 21in2 18in
Passive NA NA NA NA
Large Box (Low Extension)
12dB-500
Type Volume Tuning Fq Area Port/Pass Length / Mass
Sealed 2.8ft3 NA NA NA
Ported 4.0ft3 22Hz 21in2 22in
Passive NA NA NA NA
