EMINENCE EDL22510A Deltalite II 2510 – 10″ Speaker 250 W 8 Ohms

DELTALITE® II 2510 Neodymium

Recommended for professional audio as a mid/hi or full-range and monitor; also for bass guitar. Works well in
sealed or vented enclosures.

• Nominal Basket Diameter 10“, 254 mm
• Nominal Impedance 8 ohms
• Power Rating Watts 250 W / Music Program 500 W
• Resonance 53 Hz
• Usable Frequency Range 60 Hz - 4 kHz
• Sensitivity 97.3
• Magnet Weight 7 oz
• Gap Height 0.275“, 7 mm
• Voice Coil Diameter 2.5“, 63.5 mm

• Resonant Frequency (fs) 53 Hz
• DC Resistance (Re) 5.06
• Coil Inductance (Le) 0.40 mH
• Mechanical Q (Qms) 5.76
• Electromagnetic Q (Qes) 0.45
• Total Q (Qts) 0.42
• Compliance Equivalent Volume (Vas) 52.5 liters / 1.9 cu. ft.
• Peak Diaphragm Displacement Volume 147cc
• Mechanical Compliance of Suspension (Cms) 0.30 mm/N
• BL Product (BL) 10.6 T-M
• Diaphragm Mass inc. Airload (Mms) 31 grams
• Efficiency Bandwidth Product (EBP) 117
• Maximum Linear Excursion (Xmax) 4.2 mm
• Surface Area of Cone (Sd) 350.1 cm²
• Maximum Mechanical Limit (Xlim) 8.0 mm

• Recommended Enclosure Volume
  Sealed 12.7-17 liters/0.45-0.6 cu. ft.
  Vented 17-39.6 liters/0.6-1.4 cu. ft.
• Overall Diameter 10.25“,260.4 mm
• Baffle Hole Diameter 9.15“, 232.4 mm
• Front Sealing Gasket fitted as standard
• Rear Sealing Gasket fitted as standard
• Mounting Holes Diameter 0.28“, 7 mm
• Mounting Holes B.C.D. 9.73“, 247.1 mm
• Depth 4.9“, 123.8 mm

• Aluminum voice coil
• Polyimide former
• Neodymium magnet
• Vented core
• Die-cast aluminum basket/ heatsink
• Paper Cone
• Cloth cone edge
• Solid composition paper dust cap

Nominal Diameter     250 mm (10 in)
Overall Diameter     261 mm (10.28 in)
Bolt Circle Diameter     246 mm (9.69 in)
Baffle Cutout Diameter     232 mm (9.13 in)
Depth     141.3 mm (5.56 in)
Flange and Gasket Thickness     12.5 mm (0.49 in)
Net Weight     3.4 Kg (7.5 lb)
Shipping Box
(Single Carton Box)     305x305x185 mm (12x12x7.28 in)
Shipping Weight     4 Kg (8.8 lb)


Nominal Impedance     8 Ohm
Minimum Impedance     6.4 Ohm
Nominal Power Handling ***     500 W
Maximum Power Handling ****     1000 W
Sensitivity (1W/1m)     96 dB
Frequency Range     60÷4000 Hz
Voice Coil Diameter     77 mm (3 in)
Winding Material     Al
Former Material     Glass Fiber
Winding Depth     18 mm (0.71 in)
Magnetic Gap Depth     10.5 mm (0.41 in)
Flux Density     1.2 T


Fs     60 Hz
Re     5.1 Ohm
Qes     0.28
Qms     3.28
Qts     0.26
Vas     21.6 dm^3 (0.76 ft^3)
Sd     319 cm^2 (49.4 in^2)
Xmax *     7.25 mm
Xdamage **     12.5 mm
Mms     47 g
Bl     17.9 N/A
Le     0.85 mH
Mmd     44.8 g
Cms     0.15 mm/N
Rms     5.4 Kg/s
Eta Zero     1.6 %
EBP     214 Hz

Recommended for professional audio and bass guitar applications as a woofer/mid-bass or mid-range in vented monitors, satellites and multi-way enclosures.