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CLEARANCE Dayton Audio ES180TiA-8 7" Esoteric Series Woofer 8 Ohm

Dayton Audio
Part #295-398

CLEARANCE Dayton Audio ES180TiA-8 7" Esoteric Series Woofer 8 Ohm

Dayton Audio
Part #295-398  
Model: ES180TiA-8
The Dayton Audio ES180TiA-8 is a high-tech 7" woofer featuring an FEA-optimized neodymium ring motor structure with dual copper shorting rings for ultra-low distortion. Its enormous 3" edge-wound voice coil on a titanium former provides high power handling and excellent transient response.
Key Features
  • Now with improved frequency response for easier crossover integration
  • Dual copper shorting rings in the motor for reduced energy storage
  • 3" edgewound voice coil on titanium former provides exceptional transient response
  • Woven glass-fiber cone provides excellent stiffness for minimal cone flex
  • High excursion suspension design with tethered tinsel leads and fully ventilated frame
  • High-power, ultra-low-distortion design

Overview

Dayton Audio ES180TiA-8 7" Esoteric Series Woofer 8 Ohm

Dayton Audio's Esoteric Series is the ultimate expression of Dayton Audio’s transducer engineering knowledge and finesse. Featuring high-end materials and advanced engineering throughout, the Esoteric Series collection of drivers elevates the state of the art in driver design. Now with a flatter frequency response and smoother high frequency roll-off allowing for extended bandwidth and easier crossover integration.

The ES180TiA-8 7” woofer is a technological tour de force, with a fully FEA- and Klippel-optimized design from the powerful neodymium motor assembly with dual shorting rings to the moving structure with large 3” voice coil, titanium voice coil former, and tightly woven glass fiber cone. The voice coil is edgewound using rectangular copper-coated aluminum wire (CCAW) for maximum conductor density within the magnetic gap. The motor structure has been optimized using magnetic finite element analysis (FEA) to provide a symmetrical and extended flux field along the length of the gap, to permit longer excursion beyond the traditional limits in loudspeaker motor design. Dual shorting rings reduce coil inductance by shorting eddy currents created by the coil when it moves, for greatly reduced distortion. A titanium voice coil former was chosen to transmit motor force with maximum efficiency and minimal deformation of the coil former, for supreme resolution. The woven glass fiber cone supports the high force generated by the motor assembly with less deflection than other cone materials. Even the suspension system has been Klippel-optimized for excellent linearity. The attention to detail doesn’t end there – even the voice coil leads are tethered to the black Conex spider to eliminate mechanical resonance.

All of these elements combine to create a driver that breaks new ground with superb transient response and ultra-low distortion. By breaking free from established design conventions and rethinking how each part of the driver should behave, the ES180TiA-8 consistently delivers a musically accomplished performance, time after time. It works well as the woofer in a 2-way high-performance loudspeaker system, and the 8-ohm impedance makes it a natural choice for dual woofer configurations.

Product Details

BrandDayton Audio
ModelES180TiA-8
Part Number295-398
UPC848791002632
Unit of MeasureEach
Weight2.85

Product Specifications

Nominal Diameter7"
Bolt Circle Diameter6.5
Power Handling (RMS)100 Watts
Power Handling (MAX)200 Watts
Impedance8Ω
Frequency Response35 to 5,500Hz
Sensitivity84.8dB 2.83V/1m
Voice Coil Diameter3"

Thiele-Small Parameters

Resonant Frequency (Fs)33.7Hz
DC Resistance (Re)7.4Ω
Voice Coil Inductance (Le)1.13mH
Mechanical Q (Qms)4.9
Electromagnetic Q (Qes)0.44
Total Q (Qts)0.4
Compliance Equivalent Volume (Vas)0.73ft³
Mechanical Compliance of Suspension (Cms)0.84mm/N
BL Product (BL)9.8T·m
Diaphragm Mass Inc. Airload (Mms)26.8g
Maximum Linear Excursion (Xmax)5.3mm
Surface Area of Cone (Sd)132.7cm²

Materials of Construction

Cone MaterialNomex / Glass Fiber
Surround MaterialRubber
Voice Coil Wire MaterialCCA
Voice Coil FormerTitanium
Basket / Frame MaterialCast Aluminum
Magnet MaterialNeodymium

Mounting Information

Overall Outside Diameter6.93"
Baffle Cutout Diameter5.84"
Depth2.93"
# Mounting Holes6

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.25ft³
Sealed F375Hz
Vented Volume0.67ft³
Vented F334Hz

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