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Celestion TF1225 12" Professional Speaker 250W

CelestionPart # 294-2078
Model: TF1225
The Celestion TF1225 12" loudspeaker driver delivers high fidelity, long-term performance when used in demanding sound reinforcement applications like stage monitors, compact main speaker boxes, and larger scale PA systems.

Key Features

  • 12" bass and midrange driver providing 97 dB sensitivity and 250 watts RMS power handling
  • 2.5" high temperature copper voice coil wound on a polyimide former for increased reliability
  • Optimized ceramic ferrite magnet design reduces weight
  • Double half-roll surround for greater excursion control
  • For use in 2-way or compact 3-way systems
Your Price: $114.00
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MSRP: $171.00
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Overview

Celestion TF1225 12" Professional Speaker 250W

Celestion's TF1225 12" speaker boasts high power handling and excellent efficiency, thanks to its optimized 42 oz. ceramic ferrite magnet, 2.5" copper voice coil, and vented pole piece. It delivers strong, smooth response to beyond 4 kHz, and delivers a strong bass punch in any type of enclosure. The TF1225 is intended for use in 2-way or 3-way pro loudspeaker systems.

Product Details

BrandCelestion
ModelTF1225
Part Number294-2078
UPC739894531153
Unit of MeasureEach
Weight10.6

Product Specifications

Nominal Diameter12"
Power Handling (RMS)250 Watts
Power Handling (MAX)500 Watts
Impedance
Frequency Response50 to 4,000Hz
Sensitivity97dB 2.83V/1m
Voice Coil Diameter2.5"

Thiele-Small Parameters

Resonant Frequency (Fs)55.6Hz
DC Resistance (Re)5.08Ω
Voice Coil Inductance (Le)0.86mH
Mechanical Q (Qms)3.11
Electromagnetic Q (Qes)0.42
Total Q (Qts)0.37
Compliance Equivalent Volume (Vas)2.38ft³
Mechanical Compliance of Suspension (Cms)0.17mm/N
BL Product (BL)14.32T·m
Diaphragm Mass Inc. Airload (Mms)48.52g
Maximum Linear Excursion (Xmax)2.5mm
Surface Area of Cone (Sd)531.3cm²

Materials of Construction

Cone MaterialPaper / Kevlar
Surround MaterialCloth
Voice Coil Wire MaterialCopper
Voice Coil FormerKapton® / Polyimide
Basket / Frame MaterialSteel
Magnet MaterialFerrite

Mounting Information

Overall Outside Diameter12.17"
Baffle Cutout Diameter11.14"
Depth5.12"
# Mounting Holes4

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.68ft³
Sealed F3119.2Hz
Vented Volume1.75ft³
Vented F362.9Hz

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