top of page

The Dayton Audio Signature Series was designed to give DIY speaker designers access to the pinnacle of speaker technology at the value expected from Dayton Audio. Featuring an open aluminum cast frame, anodized aluminum cone and a polyimide former, these drivers can provide extended range with incredibly low distortion. After hours of painstaking engineering and testing with meticulous attention to detail, we at Dayton Audio deem this driver line worthy of the endorsement of even the most critical audiophile.

Key Features

  • Extensive Klippel LMP and LSI testing to optimize Bl symmetry and parameters
  • Indexed cone/surround junction for smooth transition/frequency response
  • Polyimide formers and aluminum shorting sleeve for improved inductance, damping, and frequency response
  • One piece concave black anodized aluminum cone
  • Vented former and elevated spider for improved air flow
  • Open aluminum cast frame for improved heat dissipation
  • Countersunk stainless steel magnet badging for long time aesthetics

Product Details

BrandDayton Audio
Part Number295-654
Unit of MeasureEach

Product Specifications

Nominal Diameter6-1/2"
Bolt Circle Diameter6.57
Power Handling (RMS)80 Watts
Power Handling (MAX)160 Watts
Frequency Response40-4000Hz
Sensitivity91dB 2.83V/1m
Voice Coil Diameter1.25"

Thiele-Small Parameters

Resonant Frequency (Fs)40.5Hz
DC Resistance (Re)3.7Ω
Voice Coil Inductance (Le)0.47mH
Mechanical Q (Qms)5.19
Electromagnetic Q (Qes)0.41
Total Q (Qts)0.38
Compliance Equivalent Volume (Vas)0.82ft³
Mechanical Compliance of Suspension (Cms)0.81mm/N
BL Product (BL)6.6T·m
Diaphragm Mass Inc. Airload (Mms)19.2g
Maximum Linear Excursion (Xmax)5mm
Surface Area of Cone (Sd)143cm²

Materials of Construction

Cone MaterialAluminum
Surround MaterialRubber
Voice Coil FormerKapton® / Polyimide
Basket / Frame MaterialCast Aluminum

Mounting Information

Overall Outside Diameter7.1"
Baffle Cutout Diameter5.7"
# Mounting Holes6

 Recommended Enclosure Volume

Sealed Volume0.35ft³
Sealed F375Hz
Vented Volume0.674ft³
Vented F341Hz

Dayton Audio SIG180-4 6.5” Signature Series Woofer 80W Driver 4 Ohm

SKU: SIG180-4
Expected 1/15/24
    bottom of page