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Dynavox LY401F 4" Full-Range Driver

Dynavox
Part #295-614

Dynavox LY401F 4" Full-Range Driver

Dynavox
Part #295-614  
Model: LY401F
For compact and portable speaker systems, the LY401F 4" full range from Dynavox is an excellent driver to consider. With high efficiency for a driver this size and a slightly rising response above 15,000 Hz, this full-range is a great choice for covering the majority of the audio spectrum.
Key Features
  • Whizzer cone design improves high frequency response and dispersion
  • Aluminum phase plug helps to provide excellent off axis response
  • Extremely smooth response from 100-20,000 Hz makes this driver easy to work with
  • Durable and non-resonant cast aluminum frame
Your Price: $26.98
MSRP: $35.99
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Overview

Dynavox LY401F 4" Full-Range Driver

The Dynavox LY401F 4" full-range driver is an extraordinary value which combines smooth extended response, low distortion, and high efficiency for a driver of its size. This driver will definitely deliver high performance in your next compact or portable speaker design.

The compact whizzer cone with phase plug design increases high frequency response while improving off axis dispersion. Another advantage of the aluminum phase plug attached directly to the pole piece is that it acts as an aluminum shorting ring, sort of an electromagnetic break, increasing cone control and lowering inductance. Finally, holding this driver together is a non-ferrous cast aluminum frame, which helps to concentrate all the magnetic force in the gap and on the voice coil where it is needed the most. All in all the LY401F is an extremely easy driver to work with.

Product Details

BrandDynavox
ModelLY401F
Part Number295-614
UPC848864035949
Unit of MeasureEach
Weight1.9

Product Specifications

Nominal Diameter4"
Bolt Circle Diameter4.5
Power Handling (RMS)20 Watts
Power Handling (MAX)40 Watts
Impedance6Ω
Frequency Response55 to 20,000Hz
Sensitivity90.03dB 2.83V/1m
Voice Coil Diameter1"

Thiele-Small Parameters

Resonant Frequency (Fs)53.53Hz
DC Resistance (Re)4.3Ω
Voice Coil Inductance (Le)0.38mH
Mechanical Q (Qms)3.34
Electromagnetic Q (Qes)0.29
Total Q (Qts)0.26
Compliance Equivalent Volume (Vas)0.229ft³
Mechanical Compliance of Suspension (Cms)1.56mm/N
BL Product (BL)5.311T·m
Diaphragm Mass Inc. Airload (Mms)5.66g
Maximum Linear Excursion (Xmax)1.55mm
Surface Area of Cone (Sd)54.02cm²

Materials of Construction

Cone MaterialTreated Paper
Surround MaterialCloth
Voice Coil Wire MaterialCopper
Voice Coil FormerPaper
Basket / Frame MaterialCast Aluminum
Magnet MaterialFerrite

Mounting Information

Overall Outside Diameter4.92"; Across flats 4.17"
Baffle Cutout Diameter3.7"
Depth2.11"
# Mounting Holes4

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.08ft³
Sealed F3176.7Hz
Vented Volume55ft³
Vented F360.9Hz

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