Oaktron by MISCO 127-FR08-01 4.5" 8 Ohm Full Range Speaker (93078)

SKU: 127-FR08-01

Canadian Dollar Price:
Sale price$109.57
Stock:
In stock (6 units)

Description

When listening to your favorite music, you expect the sound to be pristine, unmarred by mechanical imperfections and acoustic inconsistencies. The 93078, a unique full-range loudspeaker, reproduces music as accurately as possible for high-end, single transducer systems without cross-over requirements.

To achieve this, MISCO designed the 93078 to stay faithful to the audio of original recordings. A sensitivity rating of 91 dB SPL means less power is required compared to other speakers this size. An organic hard fiber cone and cotton spider optimize this speaker’s dispersion and damping capacities as well, resulting in an ideal transient response. With an EBP rating of 116, this driver is best suited for vented enclosures, all to reproduce your music according to your preferences.

Oaktron by MISCO is a premium line of high performance, ready-to-ship transducers and drivers for a wide variety of applications. From elegantly simple to highly specialized designs for unique and demanding applications, there is an Oaktron loudspeaker perfectly suited for your needs.

Download Product Specifications (PDF) »

More Information
Brand Name Oaktron by MISCO
Model # 127-FR08-01
Size, Nominal (inch & mm) 4"
Shape of Speaker Other
Speaker Type Full Range
Application Home Audio
Environment Indoor
RoHS Compliant Yes
Nominal Impedance (Z) (Ω) 8
Rated Power IEC268-5 (W) 8 Watts
Rated Impedance (Ω) 8
Continuous Power (W) 25
Program Power (W) 50
Frequency Range (Hz) 90 - 18,000
Sensitivity (dB SPL) ¹ 91
Resonant Frequency (Fs) (Hz) 78
DC Resistance (Re) (Ω) 6.6
Voice Coil Inductance (Le) (mH) 0.21
Mechanical Q Factor (Qms) 3.78
Electrical Q Factor (Qes) 0.67
Total Q Factor (Qts) 0.57
Mechanical Resistance (Rms) (kg/s) 0.39
Compliance Equivalent Volume (Vas) (L) 7.82
Suspension Compliance (Cms) (mm/N) 1.37
Surface Area of Diaphragm (Sd) (cm²) 63.6
Moving Mass (Mms) (gm) 3.0
Magnetic Gap Height (mm) 4.6
Coil Winding Height (mm) 5.1
Maximum Linear Excursion (Xmax) (mm) 0.3
Motor Force Factor (BL) (T•M) 3.8
Efficiency (η₀) (%) 0.54
Efficiency Bandwidth Product (EBP) (Fs/Qes) 116.8
Basket Type Stamped steel
Terminal Size (mm) 2.8 x 0.5 mm
Voice Coil Diameter (mm) 19.3802
Voice Coil Wire Material Aluminum
Voice Coil Former Material Kapton
Voice Coil Winding 2 layer, round wire
Magnet Material Ferrite
Magnet Weight (gm) 283.5
Cone Body Material Abaca fiber
Cone Surround Material Treated cloth
Dust Cap Material Paper composite
Spider Material Cotton
Net Weight (kg) 0.73
Technical Notes

¹ Sensitivity is measured with 2.83 volt input, measured on-axis at 1 meter distance

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