Peavey 1808-8 SPS BWX Widow Subwoofer Replacement Baskets 18 Inch Speaker 8 Ohms

The 1808-8sps driver is a traditional 18” PA speaker design, requiring a fairly large enclosure but producing very deep bass at high sound pressure levels. It has a warm midbass character and works in both vented and singlereflex bandpass designs.

Features

• Impedance: 8 Ohms
  
• Power capacity: 2000 W Peak 1000 W Program 500 W Continuous
  
• Sensitivity: 97.5 dB / 1 W 1 m
  
• Usable freq. range: 35 Hz ~ 1 kHz
  
• Cone: Kevlar® impregnated cellulose
  
• Voice coil diameter: 4.0" / 100 mm
  
• Voice coil material: Aluminum ribbon wire Polyimide-impregnated fiberglass former Nomex® stiffener Solderless
• diffusion welded OFHC copper leads
  
• Net weight lb. / kg: 18 lbs. / 8.2 kg
  
• Znom (ohms) 8
  
• Revc (ohms) 6.71
  
• Sd (Square Meters) 0.124
  
• BL (T/M) 16.26
  
• Fo (Hz) 37.4
  
• Vas (liters) 368.0
  
• Cms (uM/N) 169.4
  
• Mms (gm) 106.70
  
• Qms 7.55
  
• Qes 0.637
  
• Qts 0.587
  
• Xmax (mm) 4.6
  
• Le (mH) 0.38
  
• SPL (1W 1m) 96.7
  
• No (%) 2.94%
  
• Vd (cu. in. / ml) 69.4 / 1138
  
• Pmax (Watts pgm.) 1000
  
• Disp (cu. in. / ml) 228 / 3737
  
• 18"
  
• Packed Weight: 24.14 lb (10.95 kg)
  
• Packed Length: 20.866" (53 cm)
  
• Packed Width: 20.079" (51 cm)
  
• Packed Height: 8.268" (21 cm)

SUGGESTED ENCLOSURES

For 1808-4/8sps:

1. Small Vented Box
Powerful bass performance in a compact enclosure. F3
is 45 Hz.
2. Medium Vented Box
Excellent compromise between bass extension and size. F3
is 42 Hz.
3. Large Vented Box
Rock solid sub woofer choice for permanent installation or extremely low bass. F3
is 37 Hz.
4. Single Reflex Bandpass
Special enclosures design that uses the enclosure as an acoustic filter for shaped response. Great choice for a compact sub
woofer system. Response is 43 Hz – 120 Hz

ENCLOSURE

NET VOLUME

Cubic feet/liters

VENT DIAMETER

(qty) inches/mm

VENT LENGTH

inches/mm

Vb BOX TUNING

frequency in Hz

F3, -3 Db

point in Hz

1808-8/4sps           Small Vented Box 7.0 /198.2 (2) 6” / 152  4.25” / 108  46  45 Medium Vented Box 9.0 / 254.9 (2) 6” / 152  2.625” / 67  42  42 Large Vented Box 11.0 / 311.5  (2) 6” / 152  4.50”/ 114  36  37 Single-Reflex Bandpass

Vented: 4.0 / 113.3 

Sealed: 4.0 / 113.3

(3) 6” / 152  4.375” / 111  76  43 – 120

SPECIFICATIONS

Model 1808-8 SPS BWX Diameter 18” Impedance 8 Ohms Power Capacity 2000W peak Sensitivity 97.5 dB/1W 1m Usable freq. range 35 Hz - 1 kHz Voice Coil diameter 4.0”/100mm Net weight 18 lbs. / 8.2 kg Znom (ohms) 8 Revc (ohms) 6.71 Sd (square meters) 0.124 BL (T/M) 16.26 Fo (Hz) 34.4 Vas (liters) 368.0 Cms (uM/N) 169.4 Mms (gm) 106.70 Qms 7.55 Qes 0.637 Qts 0.587 Xmax (mm) 4.6 Le (mH) 0.38 SPL (1W 1m) 96.7 No (%) 2.94 Vd (cu in/ml) 69.4 / 1138 Pmax (Watts pgm) 1000 Disp. (cu. in /ml) 228 / 3737