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PRV Audio 10MR650A-4 Alto Series 10" Midrange Driver 4 Ohm

PRV AudioPart # 294-3542
Model: 10MR650A-4
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The PRV Audio 10MR650A-4 from the ALTO Series is a 10" midrange loudspeaker engineered for high-output applications requiring natural, smooth sound reproduction. It delivers robust performance suitable for multiple types of audio systems, including professional sound reinforcement and car audio systems.

Key Features

  • 2.5" CCAW voice coil on polyimide former allows high power handling
  • Vented pole piece dissipates heat to minimize power compression
  • Frequency response of 80–6,500 Hz covers critical midrange frequencies
  • Shallow 3.90" mounting depth facilitates installation in tight spaces
  • Stamped steel frame provides structural integrity and reduces resonance​
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Overview

PRV Audio 10MR650A-4 Alto Series 10" Midrange Driver 4 Ohm

PRV Audio 10MR650A-4 Alto Series 10" Midrange Driver 4 Ohm

PRV Audio’s Alto Series is carefully engineered and voiced to deliver natural, smooth sound while staying dynamic. To achieve superior fidelity, a specially designed composite cone smooths frequency response and reduces moving mass, boosting overall efficiency. Introducing the updated version of the 10W650A-4—now improved as the 10MR650A-4.

  • New basket design decreases mounting depth from 4.33″ to 3.90″
  • +1dB gain in low frequency output response
  • Improved vocal performance between 350 Hz and 4000 Hz
  • Extended voice coil winding enhances power handling and increases Xmax to 5.72 mm
  • Specifically developed to boost vocal output where the 10W650A-4 lacked, without compromising midbass

All these upgrades make the 10MR650A-4 capable of delivering high output with low distortion—an ideal choice for reproducing essential midrange frequencies in high-output sound systems. A standout addition to the Alto Series!

  • 2.5″ layer CCAW voice coil wound on a glass fiber former, 4 Ohm
  • Vented pole piece releases heat effectively to reduce power compression
  • 650 Watts program RMS power delivers high acoustic output
  • 80 to 6,500 Hz frequency range offers strong midrange with extended low midbass
  • Covers most of the vocal range, allowing simple integration with a tweeter

The new 10MR650A-4 from the Alto Series offers everything you expect from a midrange pro audio loudspeaker, featuring a compact and flexible design with just 3.90” of mounting depth without compromising performance.

This midrange speaker is specifically optimized for custom car audio use, delivering top performance in very small enclosures. It performs exceptionally as a door speaker in car setups or as a low frequency midrange in 2-way stuntwall systems.

A popular pairing with the 10MR650A-4 in custom door installs is the WG175Py-Nd-4 Mini Mids and Highs compression horn driver—used in a 1:1 ratio, with one horn driver matched to one speaker. All components are tuned using PRV's digital sound processor for smooth integration with the following settings:

10MR650A-4 – High Pass Filter HPF 120 Hz at BT18 Filter to Low Pass Filter LPF 2200 Hz at BT12, following the compression driver from 1600Hz all way to 20,000Hz

Recommended system package 4x 10MR650A-4 + 4x WG175Py-Nd-4
Recommended Amplifier for 4x 10MR650A wired in parallel – QS3000 at 1 Ohm

General Specifications

  • Nominal Diameter: 10″ (254 mm)
  • Nominal impedance: 4 Ohms
  • Rated AES Power Handling (RMS): 325 Watts
  • Program Power: 650 Watts
  • Max Peak Power: 1300 Watts
  • Sensitivity 2.83V at 1m: 97.5 dB
  • Recommended Hi Pass Crossover:** 140 Hz**
  • **For Full Power Handling **12db Per Octave Crossover
  • Frequency Response at -10dB: 80 – 6,500 Hz
  • Voice Coil Diameter: 2.5″ (65.5 mm)
  • Voice Coil Wire: CCAW
  • Voice Coil Winding Depth: 16.2 mm
  • Former Material: Polymide
  • Magnetic Gap Depth: 9.5 mm
  • Frame Material: Stamped Steel
  • Overall Diameter: 10.10” (256.5 mm)
  • Front Mount Baffle Cutout: 9.20” (233.5 mm)
  • Mounting Depth: 3.90”(99 mm)
  • Overall Depth: 4.23”(107.5 mm)
  • Net Weight: 10.4 Lbs (4.7 kg)

*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 provide 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.

Product Details

BrandPRV Audio
Model10MR650A-4
Part Number294-3542
UPC810075525649
Unit of MeasureEach
Weight11.9

Product Specifications

Nominal Diameter10"
Power Handling (RMS)650 Watts
Power Handling (MAX)1300 Watts
Impedance4Ω
Frequency Response80 to 6,500Hz
Sensitivity97.5dB 2.83V/1m
Voice Coil Diameter2.5"

Thiele-Small Parameters

Resonant Frequency (Fs)62.1Hz
DC Resistance (Re)3.1Ω
Voice Coil Inductance (Le)0.28mH
Mechanical Q (Qms)15.58
Electromagnetic Q (Qes)0.4
Total Q (Qts)0.39
Compliance Equivalent Volume (Vas)1.55ft³
Mechanical Compliance of Suspension (Cms)0.199mm/N
BL Product (BL)9.96T·m
Diaphragm Mass Inc. Airload (Mms)32.94g
Maximum Linear Excursion (Xmax)5.22mm
Surface Area of Cone (Sd)398cm²

Materials of Construction

Cone MaterialPaper
Surround MaterialCloth
Voice Coil Wire MaterialCCA
Voice Coil FormerKapton® / Polyimide
Basket / Frame MaterialSteel
Magnet MaterialFerrite

Mounting Information

Overall Outside Diameter10.10"
Baffle Cutout Diameter9.2"
Depth3.9"
# Mounting Holes8

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.38ft³
Sealed F3135.5Hz
Vented Volume1.091ft³
Vented F372.63Hz

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