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Peerless by Tymphany GBS-115N25AL01-04 4-1/2" Aluminum Dome Woofer 4 Ohm

Peerless by TymphanyPart # 264-1484
Model: GBS-115N25AL01-04
The low profile GBS-115N25AL01-04 from Peerless can deliver high-end performance even when space is at a minimum. With smooth response up to 4,000 Hz and extremely well controlled dispersion, this unique driver can deliver hi-fi sound from the shallowest designs.

Key Features

  • Less than 7/8" mounting depth without sacrificing sound quality
  • Amazing excursion capability for powerful bass response from shallow enclosures
  • Powerful neodymium motor design allows impressive efficiency for a low profile driver
  • Excellent choice for car audio systems where space is at a premium
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MSRP: $42.99
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Estimated back in stock 9/12/2025
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Overview

Peerless by Tymphany GBS-115N25AL01-04 4-1/2" Aluminum Dome Woofer 4 Ohm

The Peerless GBS-115N25AL01-04 4-1/2" 4 ohm woofer provides a very slim profile that is capable of large excursion. An anodized aluminum dome helps to extend the piston bands in the working range to deliver flat response from 70 Hz to 4,000 Hz with remarkable off-axis performance. A highly optimized neodymium motor and unique suspension layout combine to give a cost effective solution in a previously unavailable package.

Product Details

BrandPeerless by Tymphany
ModelGBS-115N25AL01-04
Part Number264-1484
UPC848864044958
Unit of MeasureEach
Weight0.5

Product Specifications

Nominal Diameter4-1/2"
Bolt Circle Diameter4.44
Power Handling (RMS)20 Watts
Power Handling (MAX)40 Watts
Impedance4Ω
Frequency Response70 to 4,000Hz
Sensitivity85.45dB 2.83V/1m
Voice Coil Diameter1"

Thiele-Small Parameters

Resonant Frequency (Fs)80.8Hz
DC Resistance (Re)4.5Ω
Voice Coil Inductance (Le)0.17mH
Mechanical Q (Qms)3.1
Electromagnetic Q (Qes)0.69
Total Q (Qts)0.57
Compliance Equivalent Volume (Vas)0.63ft³
Mechanical Compliance of Suspension (Cms)0.423mm/N
BL Product (BL)5.51T·m
Diaphragm Mass Inc. Airload (Mms)9.2g
Maximum Linear Excursion (Xmax)3.2mm
Surface Area of Cone (Sd)54.8cm²

Materials of Construction

Cone MaterialAluminum
Surround MaterialRubber
Basket / Frame MaterialSteel
Magnet MaterialNeodymium

Mounting Information

Overall Outside Diameter4.88", Across flats: 4.17"
Baffle Cutout Diameter3.875"
Depth1.45"
# Mounting Holes4

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.2ft³
Sealed F3130.3Hz
Vented Volume0.4ft³
Vented F391.9Hz

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