4 ohm hemp cone speaker with rich, warm, full bodied tone with fat, punchy lows, smooth, but defined highs and a nice break up. Prominent mids, but with a warm, smooth texture.

Nominal Diameter: 8", 203.2 mm
Nominal Impedance: 4 ohms
Power: 20w rms
Freq. Response: 80 Hz-4.6 kHz
Sensitivity: 96.1 db 1w/1m
Magnet Weight: 15 oz., 425 grams
Gap Height 0.25", 6.35 mm
Voice Coil Diameter 1.0", 25.4 mm

MOUNTING INFORMATION

Acceptable Enclosure Types:
Sealed: Yes 
Vented: Yes

Overall Diameter: 8.24", 209.2 mm
Baffle Hole Diameter: 7.13", 181 mm
Number of Mounting Holes: 8
Mounting Hole Diameter: 0.22", 5.5 mm
Mounting Hole BCD: 7.75", 196.9 mm
Depth: 3.06", 77.7 mm
Net Weight: 3.1 lbs, 1.41 kg
Shipping Weight: 3.9 lbs, 1.77 kg

T/S PARAMETERS

Fs: 143.55 Hz
Re: 3.64 ohms
Le: 0.33 mH
Qms: 18.78
Qes: 0.92
Qts: 0.88
Vas: 9.62 L, 0.34 cuft
Vd: 36.7 cc
Cms: 0.13 mm/N
BL: 5.74 Tm
Mms: 9.25 grams
EBP: 155.8
Xmax: 1.59mm
Sd: 230.9 cm2

CONSTRUCTION

-Copper voice coil on polyimide voice coil former
-Ferrite magnet with non-vented core
-Pressed steel basket -Paper cone
-Zurette dust cap