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Eminence Speaker Deltalite 2510-4

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Quick Overview

Recommended for pro audio as a mid/hi or full-range and monitor...


Recommended for pro audio as a mid/hi or full-range and monitor. Also suited for bass guitar and works well in sealed or vented enclosures.

Nominal Basket Diameter10", 254 mm
Nominal Impedance*4 Ω
Power Rating**
Watts250 W
Music Program500 W
Resonance55 Hz
Usable Frequency Range55 Hz - 3.5 kHz
Sensitivity***96.5 dB
Magnet Weight7 oz.
Gap Height0.275", 7 mm
Voice Coil Diameter2.5", 64 mm
Resonant Frequency (fs)55 Hz
DC Resistance (Re)3.46 Ω
Coil Inductance (Le)0.3m H
Mechanical Q (Qms)7.92
Electromagnetic Q (Qes)0.4
Total Q (Qts)0.39
Compliance Equivalent Volume (Vas)54.45 liters / 1.92 cu.ft.
Peak Diaphragm Displacement Volume (Vd)147 cc
Mechanical Compliance of Suspension (Cms)0.32 mm/N
BL Product (BL)8.84 T-M
Diaphragm Mass Inc. Airload (MMs)27 grams
Efficiency Bandwidth Product (EBP)135
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
Vented24.24-45.31 liters / 0.86-1.60 cu.ft.
Driver Volume Displaced0.026 cu.ft. / 0.74 liters
Overall Diameter10.25", 260.4 mm
Baffle Hole Diameter9.15", 232.4 mm
Front Sealing GasketYes
Rear Sealing GasketYes
Mounting Holes Diameter0.28", 7.1mm
Mounting Holes B.C.D.9.73", 247.1mm
Depth4.9", 124.5 mm
Net Weight4.6 lbs, 2.09 kg
Shipping Weight5.7 lbs, 2.59 kgs
Coil ConstructionAluminum voice coil
Coil FormerPolyimide former
Magnet CompositionNeodymium magnet
Core DetailsVented core
Basket MaterialsDie-cast aluminum basket/ heatsink
Cone CompositionPaper cone
Cone Edge CompositionCloth cone edge
Dust Cap CompositionSolid composition paper dust cap


* Please consult for specifications of models with alternative impedances.

** Multiple units exceed published rating evaluated under EIA 426A noise source and test standard while in a free-air, nontemperature-controlled environment.

*** The average output across the usable frequency range when applying 1W/1m into the nominal impedance. ie: 2.83 V /8 ohms, 4 V /16 ohms. Eminence response curves are measured under the following conditions: All speakers are tested at 1W/1m using a variety of test set-ups for the appropriate impedance | LMS using 0.25" supplied microphone (software calibrated) mounted 1m from wall/baffle | 2 ft. x 2 ft. baffle is built into the wall with the speaker mounted flush against a steel ring for minimum diffraction | Hafler P1500 Trans-Nova amplifier | 2700 cu. ft. chamber with fiberglass on all six surfaces (three with custom-made wedges).

**** BETA 8CX, 10CX, 12CX and ACOUSTINATOR™ CX 2008 are coaxial speakers with tweeter sold separately. Published Usable Frequency response contingent upon use of APT 50 HF Driver.

***** Multiple units exceeded published rating evaluated under AES 500 and AES 800 noise sources and test standards while mounted on Eminence's TI-2000 horn in a nontemperature-controlled environment.

****** The average on axis output across the entire usable frequency range when applying 1W/1m into the nominal impedance while mounted on a Community SH 494 horn measured with: LMS (software calibrated) using a 0.25" [6.4mm] supplied microphone mounted 1m from horn mouth, Hafler P1500 Trans-Nova amplifier, 2700 cu.ft. chamber w/fiberglass on all six surfaces (three with custom made wedges). Plane-wave tube response and impedance curves measured with LMS on a 0.75" [19.1mm] diameter tube with adapter to allow for smooth transition to throat diameter and 1W/1m into nominal impedance. Prices and Specifications Subject to Change Without Notice.