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GRS NRT50-8 2" Extended Range Driver 8 Ohm

GRS
Part #272-252

GRS NRT50-8 2" Extended Range Driver 8 Ohm

GRS
Part #272-252  
Model: NRT50-8
The GRS NRT50-8, leveraging Neo-Radial Technology (NRT), delivers expansive, low-distortion sound from a compact 2" titanium diaphragm. Designed with the DIY enthusiast in mind, this driver features a small footprint perfect for array configurations, a high-force motor for controlled performance, and extensive venting that lowers the frequency range to 200Hz, offering a versatile spectrum of crossover possibilities for tailor-made audio solutions.
Key Features
  • Full-range, 2” underhung driver with 2.5 mm of Xmax
  • Neodymium Radial motor design for extremely low distortion
  • Extreme ventilation for great power handling and improved bass response
  • Small frame size for reduced center-to-center distance and reduced comb filtering when used in arrays
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Overview

GRS NRT50-8 2" Extended Range Driver 8 Ohm

GRS NRT50-8 2" Extended Range Driver 8 Ohm

NRT (Neo-Radial Technology) harnesses the power of radially aligned neodymium magnets to deliver high-fidelity audio through a uniform magnetic field, ensuring superior speaker sensitivity and acoustic precision

Redefining Audio Performance

The GRS NRT50-8, leveraging Neo-Radial Technology (NRT), delivers expansive, low-distortion sound from a compact 2" titanium diaphragm. Designed with the DIY enthusiast in mind, this driver features a small footprint perfect for array configurations, a high-force motor for controlled performance, and extensive venting that lowers the frequency range to 200Hz, offering a versatile spectrum of crossover possibilities for tailor-made audio solutions.

2" Titanium Diaphragm

Prized for its exceptional stiffness-to-weight ratio; the rigidity of the titanium cone ensures minimal distortion, even at high output levels, while maintaining a clear and detailed sound across a wide frequency range.

NRT Neo-Radial Technology

A breakthrough in speaker design; this innovation results in exceptional linearity and a higher sensitivity in speaker output. The unique configuration allows for an increased excursion capability, providing deep, resonant bass and a broader dynamic range from a 2" driver

Extreme Ventilation

By allowing air to move freely behind the diaphragm, this ventilation method reduces air pressure build-up that can restrict the cone's movement, especially at lower frequencies. The result is a more natural and extended bass reproduction,

Frequency Response

Engineered for acoustic excellence, this speaker driver delivers a powerful bass response from a 2" driver that resonates with its depth and clarity. With a frequency sweet spot that extends from 180 Hz to a soaring 15 kHz, experience the brilliance of consistent, high-fidelity audio.

Specifications:

  • Impedance: 8 Ohms
  • Size: 2"
  • Cone Material: Titanium
  • Surround Material: Foam
  • Frequency Range: 180Hz - 15,000Hz
  • Sensitivity: 79.9dbSPL @ 2.83V/1m
  • Power Handling: 15W
  • Xmax: 2.5mm

Impedance Curve

The driver’s optimized impedance ensures that the speaker operates consistently across a wide spectrum of frequencies, revealing a perfect harmony between power and performance. This simplicity in impedance response translates to a simple crossover configuration with no need to accommodate for losses from electrical interactions.

Product Details

BrandGRS
ModelNRT50-8
Part Number272-252
UPC848864072500
Unit of MeasureEach
Weight0.3

Product Specifications

Nominal Diameter2"
Power Handling (RMS)15 Watts
Power Handling (MAX)30 Watts
Impedance8Ω
Frequency Response180-15000Hz
Sensitivity79.9dB 2.83V/1m
Voice Coil Diameter1.49"

Thiele-Small Parameters

Resonant Frequency (Fs)250Hz
DC Resistance (Re)6.2Ω
Voice Coil Inductance (Le)0.12mH
Mechanical Q (Qms)4.43
Electromagnetic Q (Qes)1.65
Total Q (Qts)1.21
Compliance Equivalent Volume (Vas)0.002ft³
Mechanical Compliance of Suspension (Cms)0.36mm/N
BL Product (BL)2.57T·m
Diaphragm Mass Inc. Airload (Mms)1.11g
Maximum Linear Excursion (Xmax)2.5mm
Surface Area of Cone (Sd)8.9cm²

Materials of Construction

Cone MaterialTitanium
Surround MaterialFoam

Mounting Information

Overall Outside Diameter1.88"
Baffle Cutout Diameter1.85"
Depth1.02"
# Mounting Holes4

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