PRV Audio 6MR400-4 BULLET 6" Midrange Speaker 4 Ohm

The 6MR400-4 BULLET 6" midrange speaker uses a "bullet" phase plug made from pure aluminum to lower inductance and act as a heat sink cooling system for the voice coil. Machined to perfection for even sound dissipation the phase plug also improves off-axis frequency response. Beyond good looks, this cone is extremely light, providing excellent damping to keep an incredibly natural yet accurate sound with incredible efficiency.

A triple roll cloth surround, combined with an optimized fiber pressed paper cone, ensure the speaker’s frequency response is smooth and extends to high range making an easy transition to a super tweeter. The suspension design of the 6MR400-4 BULLET features a single layer spider – which connects to the coil former with premium stitched lead wires. The cone is driven by a copper-clad aluminum wire voice coil providing high efficiency and excellent power handling.

This driver is constructed of high-performance characteristics and high-quality components to provide exceptional clarity, detail, and dynamic sound. You can expect outstanding sound stage quality and realistic sound reproduction for a great value. This is the new standard of value in high-performance bullet speakers.

Built to perform and able to handle 400 watts of continuous power, this midrange is the perfect option to replace those old 2-way or 3-way coaxial speakers. Engineered and designed to easily transform a stock system into one that can deliver concert levels. The 6MR400-4 BULLET is ideal for audiophiles seeking tremendous output without radical modifications.

Product Details

Brand    PRV Audio

Model    6MR400-4 BULLET

UPC    619620087614

Unit of Measure    Each

Weight    5.1

Product Specifications

Nominal Diameter    6"

Bolt Circle Diameter    6.125

Power Handling (RMS)    200 Watts

Power Handling (MAX)    400 Watts

Impedance    4Ω

Frequency Response    145 to 12,500Hz

Sensitivity    95dB 2.83V/1m

Voice Coil Diameter    1.5"

Thiele-Small Parameters

Resonant Frequency (Fs)    144.1Hz

DC Resistance (Re)    3.6Ω

Voice Coil Inductance (Le)    0.136mH

Mechanical Q (Qms)    11.98

Electromagnetic Q (Qes)    0.64

Total Q (Qts)    0.6

Compliance Equivalent Volume (Vas)    0.16ft³

Mechanical Compliance of Suspension (Cms)    0.154mm/N

BL Product (BL)    6.37T·m

Diaphragm Mass Inc. Airload (Mms)    7.94g

Maximum Linear Excursion (Xmax)    3.25mm

Surface Area of Cone (Sd)    143cm²

Materials of Construction

Cone Material    Treated Paper

Voice Coil Wire Material    CCA

Voice Coil Former    Kapton® / Polyimide

Basket / Frame Material    Steel

Magnet Material    Ferrite

Mounting Information

Overall Outside Diameter    6.59"

Baffle Cutout Diameter    5.65"

Depth    2.99"

# Mounting Holes    4

Parts Express Staff Recommended Enclosure Volume

Sealed Volume    0.25ft³

Sealed F3    190.2Hz

Vented Volume    0.4ft³

Vented F3    113.2Hz