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NEW Eminence Delta-10A-2 10" Midrange Driver 8 Ohm

Eminence SpeakerPart # 290-421
Model: Delta-10A-2

For great midrange and woofer performance, try the Eminence Delta-10A 10" speaker. Its hefty 56 oz. magnet, 2-1/2" voice coil, and optimized moving parts are designed to guarantee success!

Key Features

  • 2-1/2" vented voice coil and vented pole piece lowers power compression
  • Heat resistant Polyimide voice coil former improves power handling
  • Almost 99 dB efficiency ensures high output without a lot of power
  • Suitable for woofer, midbass, midrange, pro audio, and bass guitar usage
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Overview

Eminence Delta-10A-2 10" Midrange Driver 8 Ohm

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

Suitable for woofer, midbass, midrange, pro audio, and bass guitar usage.

Frequency Response (red) and Impedance Curve (orange) pictured here.

SPECIFICATIONS

  • Nominal Basket Diameter: 10", 254 mm
  • Nominal Impedance: 8 Ω
  • Power Rating
    -Program Power: 850 W
  • Resonance: 69.7 Hz
  • Usable Frequency Range: 50 Hz - 3.7 kHz
  • Sensitivity: 96.7 dB
  • Magnet Weight: 56 oz.
  • Gap Height: 0.375", 9.5 mm
  • Voice Coil Diameter: 2.5", 64 mm

THIELE & SMALL PARAMETERS

  • Resonant Frequency (fs): 69.7 Hz
  • DC Resistance (Re): 5.52 Ω
  • Coil Inductance (Le): 0.58 m H
  • Mechanical Q (Qms): 5.79
  • Electromagnetic Q (Qes): 0.48
  • Total Q (Qts): 0.44
  • Compliance Equivalent Volume (Vas): 29.73 liters / 1.05 cu.ft.
  • Peak Diaphragm Displacement Volume (Vd): 220.39 cc
  • Mechanical Compliance of Suspension (Cms): 0.18 mm/N
  • BL Product (BL): 12.19 T-M
  • Diaphragm Mass Inc. Airload (MMs): 29.5 grams
  • Efficiency Bandwidth Product (EBP): 145
  • Maximum Linear Excursion (Xmax); 6.39 mm
  • Surface Area of Cone (Sd): 344.9 cm2
  • Maximum Mechanical Limit (Xlim): 9.4 mm

MOUNTING INFORMATION

  • Manufacturer Recommended Enclosure Volume
    -Sealed: 11.3-113 liters / 0.40-4 cu.ft.
    -Vented: 11.3-37.69 liters / 0.40-2.44 cu.ft.
  • Driver Volume Displaced: 0.05 cu.ft. / 1.42 liters
  • Overall Diameter: 10.09", 256.3 mm
  • Baffle Hole Diameter: 9.18", 233.2 mm
  • Front Sealing Gasket: Yes
  • Rear Sealing Gasket: Yes
  • Mounting Holes Diameter: 0.25", 6.4mm
  • Mounting Holes B.C.D.: 9.66", 245.4mm
  • Depth: 4.25", 108 mm
  • Net Weight: 10.8 lbs, 4.9 kg

MATERIALS OF CONSTRUCTION

  • Coil Construction: Aluminum voice coil
  • Coil Former: Polyimide former
  • Magnet Composition: Ferrite magnet
  • Core Details: Vented core
  • Basket Materials: Pressed steel basket
  • Cone Composition: Paper cone
  • Cone Edge Composition: Cloth cone edge
  • Dust Cap: Composition Solid composition paper dust cap

Take a look inside Eminence's factory to see how it's all made!

Product Details

BrandEminence Speaker
ModelDelta-10A-2
Part Number290-421
UPC876358004737
Unit of MeasureEach
Weight12

Product Specifications

Nominal Diameter10"
Power Handling (RMS)425 Watts
Power Handling (MAX)850 Watts
Impedance8Ω
Frequency Response50 To 3,700Hz
Sensitivity96.7dB 2.83V/1m
Voice Coil Diameter2.5"

Thiele-Small Parameters

Resonant Frequency (Fs)69.7Hz
DC Resistance (Re)5.52Ω
Voice Coil Inductance (Le)0.58mH
Mechanical Q (Qms)5.79
Electromagnetic Q (Qes)0.48
Total Q (Qts)0.44
Compliance Equivalent Volume (Vas)1.05ft³
Mechanical Compliance of Suspension (Cms)0.18mm/N
BL Product (BL)12.19T·m
Diaphragm Mass Inc. Airload (Mms)29.5g
Maximum Linear Excursion (Xmax)6.39mm
Surface Area of Cone (Sd)344.9cm²

Materials of Construction

Cone MaterialPaper
Surround MaterialCloth
Voice Coil FormerKapton® / Polyimide
Basket / Frame MaterialSteel
Magnet MaterialFerrite

Mounting Information

Overall Outside Diameter10.8"
Baffle Cutout Diameter9.18"
Depth4.25"
# Mounting Holes8

Specifications

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