Eminence BETA-6A User Manual

Specification

dBSPL

Ohm

Nominal Basket Diameter Nominal Impedance* Power Rating** Watts Music Program Resonance Usable Frequency Range*** Sensitivity Magnet Weight Gap Height Voice Coil Diameter

Thiele & Small Parameters

Resonant Frequency (fs) DC Resistance (Re) Coil Inductance (Le) Mechanical Q (Qms) Electromagnetic Q (Qes) Total Q (Qts) Compliance Equivalent Volume (Vas) Peak Diaphragm Displacement Volume (Vd) Mechanical Compliance of Suspension (Cms) BL Product (BL) Diaphragm Mass inc. Airload (Mms)

Efciency Bandwidth Product (EBP)

Maximum Linear Excursion (Xmax) Surface Area of Cone (Sd) Maximum Mechanical Limit (Xlim)

6.50”, 165.10mm 8 ohms

175W

350W

122.57Hz

95Hz-4kHz

94.00

30 oz.

0.25”, 6.35mm 2”, 50.80mm

122.57Hz

5.18

0.43mH

3.46

0.66

0.56

3.51 liters / 0.12 cu.ft.

61.05cc

0.15mm/N

8.13 T-M

10.93 grams

185.40

4.50mm

129.90 cm2

5.70mm

BETA-6A American Standard Series

High power 6.5” Mid/Bass driver for use in concert sound systems or in high power auto sound as a mid/bass or a

midrange driver. Works well in tiny sealed or vented enclosures, and in Innite bafes too.

100

Mounting Information

Recommended Enclosure Volume Sealed Vented Overall Diameter

Bafe Hole Diameter

Front Sealing Gasket Rear Sealing Gasket Mounting Holes Diameter Mounting Holes B.C.D. Depth Net Weight Shipping Weight

2.38-283170.0 liters/0.08-10000.00cu.ft.

Materials of Construction

Aluminum voice coil Polyimide former Ferrite magnet Vented and extended core Pressed steel basket Water Resistant Paper Treated Cloth cone edge Water resistant treated paper dust cap

5.10-14.16 liters/0.18-0.50 cu.ft.

6.59”, 167.39mm

5.69”, 144.53mm Fitted as standard Fitted as standard

0.23”, 5.84mm

6.06”, 153.92mm

2.66”, 67.56mm

5.60 lbs., 2.54 kg

6.30 lbs., 2.86 kg

20 Hz50100 200500 1K 2K 5K 10

Please inquire about alternative impedances.

Multiple units exceed published rating evaluated under EIA 426A noise source and test standard while in a free-air, non-temperature controlled environment.

Stated usable frequency range is achievable in an ideal cabinet design. See website for examples. The average output across the usable frequency range when applying 1W/1M into the nominal impedance. Ie:

***

2.83V/8ohms, 4V/16ohms. 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/bafe | 2ft. X 2ft. bafe is built into the wall with the speaker mounted ush against a steel ring for minimum diffraction | Haer P1500 Trans-Nova amplier | 2700 cu.ft.

chamber with berglass on all six surfaces (three with custom-made wedges)