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Eminence Alpha-6CBMRA 6-1/2" Ferrite Sealed Back Midrange Speaker Driver

Eminence Speaker
Part #290-661

Eminence Alpha-6CBMRA 6-1/2" Ferrite Sealed Back Midrange Speaker Driver

Eminence Speaker
Part #290-661  
Model: Alpha-6CBMRA
The Eminence Alpha-6CBMRA sealed-back 6-1/2" midrange is perfect for pro audio, car audio, and bass guitar midrange applications.
Key Features
  • Sealed back speaker basket for use in multi-way cabinets with sub-enclosures.
  • Perfect for use as a high output car audio door speaker
  • Features the Eminence Alpha family sound
  • High 100W RMS power handling
Your Price: $79.99
MSRP: $119.99
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Overview

Eminence Alpha-6CBMRA 6-1/2" Ferrite Sealed Back Midrange Speaker Driver

Based on the ever-popular Alpha 6 series, Eminence's 6-1/2" sealed-back Alpha-6CBMRA midrange speaker is built with a closed basket design to prevent interference from other drivers in a speaker cabinet without the need for a separate sub-enclosure. 

The Alpha-6CBMRA features the standard paper cone, cloth accordion surround, and solid composition paper dust cap of the other Alpha drivers for a consistent family sound. Use this midrange in professional 3-way live sound cabinets, as a high output car audio door speaker, or as a midrange in a bass guitar speaker.

Product Details

BrandEminence Speaker
ModelAlpha-6CBMRA
Part Number290-661
UPC876358002122
Unit of MeasureEach
Weight4.25

Product Specifications

Nominal Diameter6-1/2"
Power Handling (RMS)100 Watts
Power Handling (MAX)200 Watts
Impedance8Ω
Frequency Response400 to 5,000Hz
Sensitivity97.8dB 2.83V/1m
Voice Coil Diameter1.5"

Thiele-Small Parameters

Resonant Frequency (Fs)407Hz
DC Resistance (Re)5.26Ω
Voice Coil Inductance (Le)0.38mH
Mechanical Q (Qms)6.04
Electromagnetic Q (Qes)1.74
Total Q (Qts)1.35
Compliance Equivalent Volume (Vas)0.02ft³
Mechanical Compliance of Suspension (Cms)0.02mm/N
BL Product (BL)7.86T·m
Diaphragm Mass Inc. Airload (Mms)8g
Maximum Linear Excursion (Xmax)1.5mm
Surface Area of Cone (Sd)8.13cm²

Materials of Construction

Cone MaterialPaper
Surround MaterialCloth
Basket / Frame MaterialSteel
Magnet MaterialFerrite

Mounting Information

Overall Outside Diameter6.59"
Baffle Cutout Diameter5.69"
Depth2.2"

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