Features

The MR NEODYMIUM BULLET was conceived with one goal in mind: High-Performance!

Featuring a sleek black aluminum phase plug (Bullet), this mid is built like a professional midrange loudspeaker, but it has been designed for and optimized for car audio applications, as we call Pro Audio On Wheels®!

By combining key elements from PRO Audio performance and Car Audio practicality, we have developed a NEW type of high efficient compact midrange speaker that is able to give extreme high levels of output for your custom door.

• Built to Perform at Wide Frequency Range: 95 – 20,000 Hz
• Highest Quality 8” Speaker with bullet design available
• High efficiency: 97 dB guarantees High Output Levels
• Handles 500 Watts – Endurance at Loudest Volumes
• Its high energy, rare-earth neodymium motor
• Center phase plug (Bullet) for even sound distribution
• 4 Ohm Impedance
• Also available in 6.5″ – 6MR400-NDY-4 BULLET

A triple roll cloth surround, combined with an optimized fiber pressed paper cone, ensure the speaker’s frequency response is smooth and extends to the high range making an easy transition to a super tweeter, but according to customers, the high-frequency response from this speaker does NOT need support from a tweeter!

Its low-mass yet stiff cone helps provide clean, detailed, high-impact sound reproduction. to ensure the speaker’s extended frequency response to 20,000Hz and strong vocal presence.

You can expect outstanding sound quality and realistic sound reproduction in the smallest profile. There’s no better value in high-performance bullet speakers than the 8MR500-NDY-4 BULLET loudspeaker.

With a shallow and versatile footprint that only measures 3.13” in depth, we’ve designed a midrange loudspeaker that gives you everything you need without sacrificing performance.

The rare-earth neodymium motor combined with other fine materials will resolve the finest details in audio, demanded by car audio and motorcycle custom builders.

Built to perform and able to handle 500 Watts RMS, this midrange is the perfect match on 3-way custom system such as:

10W1000-NDY-4 + 8MR500-NDY-4 BULLET + TW450Ti-ND-4 making the ultimate sound reproduction machine, with unbeatable sound quality and output.

This speaker is perfect for applications where weight and space is limited, such as custom doors panels, motorcycle fairing and saddlebags.

PRV 8″ Midrange Speaker 8MR500-NDY-4 BULLET 500 Watts / 4 Ohm Neodymium Bullet Loudspeaker

Recommended Amplifier configurations and crossover points:

2 Speakers – 1x MDX1200.2 1 Ohm, Bridged both speakers in parallel
4 Speakers – 1x QS2000 1 Ohm, 4 speakers in parallel
Recommended HPF using PRV Digital Signal Processor DSP when using up to 500 Watts RMS musical power

• 125 Hz at 12 dB per octave filter Crossover / BT12
• 120 Hz at 18 dB per octave filter Crossover / BT18

If you have a super tweeter on your system the recommended LPF is 9,000 at 18 dB per octave filter Crossover / LR18 but you may set it lower to blend in better depending on the other components in your system, or you may not use a LPF at low power to take advantage of its high frequency response.

GENERAL SPECIFICATIONS

Nominal Diameter	8″ (203 mm)
Nominal impedance	4 Ohm
Nominal Power Handling*	250 Watts
Continuous Program Power (RMS)**	500 Watts
Max Peak Power***	1000 Watts
Sensitivity 2.83V at 1m	97 dB
Recommended Hi Pass Crossover For Full Power Handling	125 Hz 12db Per Octave Crossover
Frequency Response	95 – 20,000 Hz
Voice Coil Diameter	1.5 (38 mm)
Voice Coil Wire	CCAW
Voice Coil Winding Depth	9.0 mm
Former Material	Kapton
Magnetic Gap Depth	6.0 mm
Frame Material	Stamped steel

  ^{*Nominal power handling is defined as the maximum RMS power that the speaker can handle in a 2-hour test with a pink noise with 6dB of crest factor and a bandpass filter with 12db/oct tuned in its usable frequency range. **Continuous Program Power (RMS) is the maximum power that the speaker can handle considering a regular musical program using our recommended filters, this power can be used to define the optimum amplifier power to avoid a clean signal without clipping or saturation. ***Max Peak Power is the maximum power operation for the speaker, this power is allowed just for a few fractions of a second, usually found just on the peaks of the music. Keeping this power for a little longer timer will damage the speaker.}

THIELE-SMALL PARAMETERS

Equivalent Volume	Vas	24.34 l
Excursion (mathematical)***	Xmax	3.00 mm
Free Air Resonance	Fs	78.5 Hz
Mechanical Factor	Qms	10.78
Electrical Factor	Qes	0.57
Total Factor	Qts	0.54
Cone Area	Sd	241 cm²
Mechanical Mass	Mms	13.64 g
Bl Factor	Bl	6.03 Tm
Dc Resistance	Re	3.1 Ohm
Inductance	Le	0.12 mH at 1 kHz
Mechanical Mass Without Air	Mmd	11.52 g
Mechanical Compliance	Cms	0.301 mm/N

***Xmax=(Voice coil winding depth-Magnetic Gap depth)/2+ Magnetic Gap Depth/4

EXTRA INFO

Overall Diameter	8.27″ (210 mm)
Front Mount Baffle Cutout	7.26″ (184.5 mm)
Mounting Depth	3.13″ (79.5 mm)
Overall Depth	3.56″ (90.5 mm)
Net Weight	2.20 Lbs (1.0 kg)
Shipping Weight	3.30 Lbs (1.50 kg)
Carton Dimensions W x L x H	8.86″ x 8.86″ x 4.13″ (225 x 225 x 10.5 mm)

Recone Kit for 8MR500-NDY-4 BULLET Loudspeaker