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Dayton Audio SIG225-4

 

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8″ Signature Series Woofer 100 W Driver 4 Ohm

 

2 in stock (can be backordered)

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SKU: SIG225-4. Categories: , . Tags: , , , .

Description

The Dayton Audio Signature Series was designed to give 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 for improved mechanical damping smooth 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

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.

Key Specs:

  • Nominal Diameter: 8″
  • Power Handling (RMS): 100
  • Power Handling (MAX): 200
  • Impedance: 4 Ω
  • Frequency Response: 40 Hz-3000 Hz
  • Sensitivity: 91.2dB @ 2.83 V/1 m
  • Voice Coil Diameter: 2″
  • Maximum Linear Excursion: 6 mm

Meticulous Attention to Detail

The speaker drivers’ design, materials, and meticulous engineering work in harmony to minimize distortion, ensuring that the sound remains clean and clear even at high volumes. By achieving low distortion, these speaker drivers provide an accurate representation of the original audio signal, allowing audiophiles to enjoy a true-to-life listening experience with exceptional clarity and precision. The Signature Series speaker drivers used rigorous Klippel testing throughout the design process, a state-of-the-art analysis method to provide optimal performance, consistency, and reliability by precisely measuring and optimizing the drivers’ magnetic and mechanical properties.

Indexed Cone and Surround Junction

Diffraction caused by the abrupt edge of the surround is minimized by the use of an indexed junction. This design feature helps create a smooth transition between the cone and surround, resulting in improved frequency response while improving the rigidity of the cone further resulting in less cone distortion at high excursion.

Vented Polyimide Former with CCA Voice Coil Wire and Elevated Spider Suspension

The polyimide voice coil formers provide excellent mechanical damping and a smoother frequency response, and the copper-clad aluminum (CCA) wire reduces moving mass further enhancing the overall sound quality and increasing the efficiency of the speaker driver. An elevated spider and vented former increases airflow to the coils to keep the assembly running cool during long periods of use.

Concave Black Anodized Aluminum Cone

The aluminum construction of the cone is lightweight, rigid, and helps reduce distortion, contributing to a more accurate sound reproduction. The anodization process is optimized to contribute to the dampening of the cone and provides high aesthetic value to any speaker design.

Open Aluminum Cast Frame and Stainless-Steel Badging

The aluminum cast frame keeps movement isolated to the diaphragm, increasing low frequency performance and providing additional thermal dissipation. Stainless-steel badging completes the sleek aesthetic of the Signature Series drivers providing a timeless visual appeal for every speaker designer.

Additional information

Weight 2,86 kg

Specifications

Technical Specifications

Data Sheet

Product Details
Brand Dayton Audio
Model SIG225-4
Part Number 295-656
UPC 848791009525
Unit of Measure Each
Weight 2.86 kg

 

Product Specifications
Nominal Diameter 8″
Bolt Circle Diameter 211 mm
Power Handling (RMS) 100 Watts
Power Handling (MAX) 200 Watts
Impedance 4 Ω
Frequency Response 40 – 3000 Hz
Sensitivity 91.24 dB 2.83 V/1 m
Voice Coil Diameter 2″

 

Thiele-Small Parameters
Resonant Frequency (Fs) 39.94 Hz
DC Resistance (Re) 3.89 Ω
Voice Coil Inductance (Le) 0.29 mH
Mechanical Q (Qms) 8.87
Electromagnetic Q (Qes) 0.45
Total Q (Qts) 0.43
Compliance Equivalent Volume (Vas) 29.4 l
Mechanical Compliance of Suspension (Cms) 0.43 mm/N
BL Product (BL) 8.95 T·m
Diaphragm Mass Inc. Airload (Mms) 36.93 g
Maximum Linear Excursion (Xmax) 6 mm
Surface Area of Cone (Sd) 226.9 cm²

 

Materials of Construction
Cone Material Aluminum
Surround Material Rubber
Voice Coil Wire Material Copper
Voice Coil Former Kapton® / Polyimide
Basket / Frame Material Cast Aluminum
Magnet Material Ceramic Ferrite

 

Mounting Information
Overall Outside Diameter 225 mm
Baffle Cutout Diameter 190 mm
Depth 101.6 mm
# Mounting Holes 6

 

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