DELTA-10A Series Standard American

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

SPECIFICATION

• Nominal Basket Diameter 10", 254 mm
• Nominal Impedance 8 ohms
• Power Rating Watts 350 W / Music Program 700 W
• Resonance 66 Hz
• Usable Frequency Range 63 Hz - 3.7 kHz
• Sensitivity 98.8
• Magnet Weight 56 oz.
• Gap Height 0.375", 9.53 mm
• Voice Coil Diameter 2.5", 63.5 mm

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.

SPECIFICATION

• 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

THIELE & Small Parameters

• 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

MOUNTING Information

• 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

MATERIALS of Construction

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

DELTALITE®-II 2512 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.

SPECIFICATION

• Nominal Basket Diameter 12", 304.8 mm
• Nominal Impedance 4 ohms
• Power Rating Watts 250 W / Music Program 500 W
• Resonance 37 Hz
• Usable Frequency Range 48 Hz - 4 kHz
• Sensitivity 99.9
• Magnet Weight 7 oz
• Gap Height 0.275", 7 mm
• Voice Coil Diameter 2.5", 63.5 mm

MOUNTING Information

• Recommended Enclosure Volume
  Sealed 23-28 liters/0.8-1 cu. ft.
  Vented 33-85 liters/1.2-3 cu. ft.
• Overall Diameter 12.38", 314.5 mm
• Baffle Hole Diameter 11.06", 280.9 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. 11.62", 295.1 mm
• Depth 6.06", 154 mm

MATERIALS of Construction

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

DELTALITE®-II 2512 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.

SPECIFICATION

• Nominal Basket Diameter 12", 304.8 mm
• Nominal Impedance 8 ohms
• Power Rating Watts 250 W / Music Program 500 W
• Resonance 37 Hz
• Usable Frequency Range 48 Hz - 4 kHz
• Sensitivity 99.9
• Magnet Weight 7 oz
• Gap Height 0.275", 7 mm
• Voice Coil Diameter 2.5", 63.5 mm 

DELTALITE®-II 2515 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.

SPECIFICATION

• Nominal Basket Diameter 15", 381 mm
• Nominal Impedance 8 ohms
• Power Rating Watts 300 W / Music Program 600 W
• Resonance 42 Hz
• Usable Frequency Range 54 Hz - 3.7 kHz
• Sensitivity 99.2
• Magnet Weight 7 oz
• Gap Height 0.275", 7 mm
• Voice Coil Diameter 2.5", 63.5 mm 

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