Pro Audio

Neodymium Series

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Lightweight pro audio mid/bass driver. For sealed, vented, or infinite baffle applications.

Suggested Retail  $89.99
Your Price  $74.99

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This table charts the specifications for the ALPHALITE™ 6A speaker
Speaker Detail
Nominal Basket Diameter6", 165 mm
Nominal Impedance*8 Ω
Power Rating*
Program Power200 W
Watts100 W
Resonance126 Hz
Usable Frequency Range100 Hz - 5.5 kHz
Sensitivity*94 dB
Magnet Weight4 oz.
Gap Height0.25", 6.4 mm
Voice Coil Diameter1.5", 38 mm
Thiele & Small Parameters
Resonant Frequency (fs)126 Hz
DC Resistance (Re)7.3 Ω
Coil Inductance (Le)0.53m H
Mechanical Q (Qms)6.51
Electromagnetic Q (Qes)0.61
Total Q (Qts)0.56
Compliance Equivalent Volume (Vas)4.92 liters / 0.17 cu.ft.
Peak Diaphragm Displacement Volume (Vd)46 cc
Mechanical Compliance of Suspension (Cms)0.21 mm/N
BL Product (BL)8.45 T-M
Diaphragm Mass Inc. Airload (MMs)8 grams
Efficiency Bandwidth Product (EBP)205
Maximum Linear Excursion (Xmax)3.5 mm
Surface Area of Cone (Sd)129.9 cm2
Maximum Mechanical Limit (Xlim)4 mm
Mounting Information
Recommended Enclosure Volume
Sealed 2.83-566 liters / 0.1-20 cu.ft.
Vented 3-16 liters / 0.1-0.6 cu.ft.
Driver Volume Displaced0.01 cu.ft. / 0.27 liters
Overall Diameter6.59", 167.4 mm
Baffle Hole Diameter5.69", 144.5 mm
Front Sealing GasketYes
Rear Sealing GasketYes
Mounting Holes Diameter0.23", 5.8mm
Mounting Holes B.C.D.6.06", 153.9mm
Depth2.4", 61 mm
Net Weight2.2 lbs, 1 kg
Shipping Weight2.9 lbs, 1.32 kgs
Materials of Construction
Coil ConstructionRound copper voice coil
Coil FormerKapton former
Magnet CompositionNeodymium magnet
Core DetailsVented and Extended core
Basket MaterialsPressed steel basket
Cone CompositionPaper cone
Cone Edge CompositionCloth cone edge
Dust Cap CompositionTreated paper dust cap

Multiple units exceed published ratings evaluated under EIA 426A specification while tested in a free-air, non-temperature-controlled environment. Multiple compression drivers exceeded published ratings evaluated under EIA-426A or AES specification while mounted on Eminence’s H290, H290S, or H2EA horn in a non-temperature-controlled environment.

The average output across the usable frequency range when applying 1W/1m into the nominal impedance. i.e: 2.83V/8Ω, 4V/16Ω. Eminence response curves are measured under the following conditions: All speakers are tested at 1W/1m using a variety of test set-ups for the appropriate impedance | LMS using 0.25" supplied microphone (software calibrated) mounted 1m from wall/baffle | 2 ft. x 2 ft. baffle is built into the wall with the speaker mounted flush against a steel ring for minimum diffraction | Yamaha P3500S amplifier | 2700 cu. ft. chamber with fiberglass on all six surfaces (three with custom-made wedges). Compression drivers were tested using a 2ft x 2ft baffle built into the wall with horn front mounted.

BETA 8CX, 10CX and 12CX are coaxial speakers with tweeter sold separately. The data for these coaxial woofers was calculated with the ASD:1001 driver screwed into the woofer, but not active.

Prices, specifications and product cosmetics are subject to change without notice.