RAM 3 A Miniature Wideband Loudspeaker Pair

The RAM 3 A by Audible Physics is an advanced wide band driver designed and engineered for Car Audio Enthusiasts. Efforts was placed in the design of this driver with only one intention in mind and that is to satisfy the most critical audiophiles.  When combined with the RAM 6 A mid bass driver, we are confident the combination will bring car audio listening to a whole new level.  Sold in pairs.

The RAM 3 A Features:

• 
An Elegant Alloy Foil Cone and Cap
• +/-0.5mm linear excursion
• 5mm copper voice coil on aluminum bobbin
• Integrated protective grill

Specifications:

Overall Diameter: 91.5 mm / 3.60”

Cutout diameter: 73mm / 2.875”

Mounting Depth: 40.5 mm / 1.59”

Net Weight: 0.42 kg / .92 lbs

Nominal Power Handling: 15 watts

Nominal Impedance: 4 ohm

Sensitivity: 82.4 db / w / m

Frequency Response: 135 – 20,000 hz

Resonant Frequency: 135 hz

Voice coil diameter: 25.5 mm /

Voice coil height: 17.5 mm /

Voice coil former: Aluminum

Voice coil wire: Copper

Number of Layers: 2

DC resistance: 3.8 ohm

Magnet system type: Ferrite

Magnet Gap Height: 3 mm /

B flux density: 1.1 T

BL: 2.084 TM

Max linear excursion: +/- .5mm

Cms: 0.659 mm / N

Sd: 27.34 cm sq

Vas: 6.996 L

Mmd: 2.002 g

Qms: 1.929

Qes: 1.556

Qts: 0.861