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Peerless by Tymphany PMT-40N25AL01-04 1" Aluminum Dome Micro Full Range Speaker 4 Ohm

Peerless by TymphanyPart # 264-1154
Model: PMT-40N25AL01-04
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The 40N25AL01 1" aluminum cone full-range driver from Tymphany is purpose-built for television, computer, micro array, and other modern audio applications.

Key Features

  • Flat, controlled frequency response from 300 Hz to 16,000 Hz
  • Designed for use as a small full-range speaker or for line arrays when used in groups
  • Polymer frame with integrated grill
  • Very low resonant frequency and Qts specifications, especially for a driver this small!
Your Price: $14.49
MSRP: $19.99
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Estimated back in stock 9/12/2025
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Overview

Peerless by Tymphany PMT-40N25AL01-04 1" Aluminum Dome Micro Full Range Speaker 4 Ohm

The PMT Series family of micro speakers, from Tymphany, is designed for maximum full-range bandwidth, while maintaining superior off-axis response.

Tymphany built the 1" 40N25AL01 PMT Series premium micro transducer for computer, television, micro array, and similar modern audio applications. It features a neodymium motor, light aluminum cone, and high-temperature polycarbonate frame that is designed for minimum center-to-center mounting distance and reduced comb filtering.

A low 234 Hz resonant frequency allows the 40N25AL01 to reproduce frequencies lower than most drivers this size (250 Hz), while maintaining an average sensitivity of 85.6 dB (2.83V/1m) from 300 to 16,000 Hz. Using four drivers in a series-parallel group of four units increases average sensitivity to a respectable 91 dB (2.83V/1m).

Product Details

BrandPeerless by Tymphany
ModelPMT-40N25AL01-04
Part Number264-1154
UPC848864014920
Unit of MeasureEach
Weight0.15

Product Specifications

Nominal Diameter1"
Bolt Circle Diameter1.81
Power Handling (RMS)2 Watts
Power Handling (MAX)4 Watts
Impedance4Ω
Frequency Response234 to 20,000Hz
Sensitivity85.3dB 2.83V/1m
Voice Coil Diameter1"

Thiele-Small Parameters

Resonant Frequency (Fs)234Hz
DC Resistance (Re)3.6Ω
Voice Coil Inductance (Le)0.05mH
Mechanical Q (Qms)1.9
Electromagnetic Q (Qes)0.59
Total Q (Qts)0.45
Compliance Equivalent Volume (Vas)0.01ft³
Mechanical Compliance of Suspension (Cms)45.86mm/N
BL Product (BL)3.02T·m
Diaphragm Mass Inc. Airload (Mms)1.01g
Maximum Linear Excursion (Xmax)1.9mm
Surface Area of Cone (Sd)8cm²

Materials of Construction

Cone MaterialAluminum
Surround MaterialFoam
Basket / Frame MaterialPolymer
Magnet MaterialNeodymium

Mounting Information

Overall Outside Diameter1.6"
Baffle Cutout Diameter1.57"
Depth0.61"
# Mounting Holes4

Specifications

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