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US-CA65 6.5 inch Mid-Bass Driver
6.5" Driver

US-CA65

6" / 6.5" Mid-Bass Driver

The US-CA65 fills the critical mid-bass role in cinema surround and fill speaker applications. Dual-purpose design: works as a pure mid driver in sealed enclosures, or handles mid/bass duties in vented cabinets. Compact, punchy, and efficient — ideal for surround clusters, ceiling fills, and lobby systems where space is limited but speech intelligibility matters. Ferrite magnet, stamped steel basket construction for lightweight deployments.

Assembled in India
Components from USA
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Applications

Cinema surround arrays, ceiling fill speakers, lobby and foyer audio, compact stage monitors, auditorium fill systems. Works as a mid in small sealed boxes (2-5 litres) or mid/bass in vented box (5-7 litres).

Specifications
Nominal Basket Diameter
6.5" / 165 mm
Nominal Impedance
8 Ω
Music Program
240 W
Nominal Power
120 W
Resonance Usable
111 Hz
Frequency Range
103 Hz – 6 kHz
Sensitivity
94.7 dB SPL @ 1W/1m
Magnet Weight
20 oz
Height Voice Coil
0.24" / 6.1 mm
Voice Coil Diameter
1.5" / 38 mm
Net Weight
3.84 lbs / 1.74 kg
Shipping Weight
4.41 lbs / 2 kg
Thiele & Small Parameters
Fs
111 Hz
Re
6.7 Ω
Le
0.55 mH
Qms
9.57
Qes
0.49
Qts
0.47
Vas
0.16 cu.ft. / 4.49 litres
Vd
22.3 cc
Cms
0.2 mm/N
BL
9.8 T-M
Mms
10 grams
EBP
225
Xmax
1.8 mm
Sd
126.7 cm²
Xlim
5 mm
Enclosure / System Details
Sealed2 – 5 litres / 0.1 – 0.2 cu.ft.
Vented5 – 7 litres / 0.2 – 0.3 cu.ft.
Mounting Information
Overall Diameter6.58" / 167.1 mm
Baffle Hole Diameter5.6" / 142.2 mm
Mounting Holes Diameter0.22" / 5.6 mm
Mounting Holes B.C.D.6.14" / 156 mm
Depth2.88" / 73.2 mm
Front Sealing GasketYes
Rear Sealing GasketYes
Materials of Construction
Copper voice coilPolyimide formerFerrite magnetVented core, bumped backplatePressed steel basketTreated paper coneSealed cloth cone edgeTreated paper dust cap

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