DS18 PRO-NS6 6.5" Mid-Range Loudspeaker

Owner's Manual

This manual provides detailed information for the PRO-NS6 6.5" Mid-Range Loudspeaker with Ultra Slim Neodymium Magnet. The document is available in English and Spanish.

The product is Designed & Engineered in the USA.

Product Overview

The PRO-NS6 is a 6.5-inch (167mm) mid-range loudspeaker featuring an ultra-slim neodymium magnet for enhanced performance and design flexibility. It is engineered for high-quality audio reproduction.

Specifications

Specification	Value
Nominal Diameter	6.5" / 167mm
Nominal Impedance	8 Ω
RMS Power Handling	150W
MAX Power Handling	300W
Sensitivity (1w/1m)	94 dB
Frequency Response	100Hz - 12KHz
Recommended Hi Pass Crossover	180Hz
Configuration	Single / Unidad

Motor Details

Voice Coil Diameter: 1.5" / 38.6 mm
Voice Coil Former Material: KSV
Winding Material: Copper
Cone Material: Paper
Dust Cap Material: Paper
Surround Material: Cloth
Basket Material: Steel
Basket Color: Glossy Red
Magnet Material: Neodymium
Magnet Weight: 1.79 Oz

Thiele & Small Parameters

Parameter	Symbol	Value
Equivalent Volume	Vas	4.8L / 0.169ft³
Excursion (one way)	Xmax	2 mm
Free Air Resonance	Fs	139 Hz
Mechanical Factor	Qms	5.781
Electrical Factor	Qes	1.245
Total Factor	Qts	1.025
Mechanical Mass	Mms	6.498g
Mechanical Compliance	Cms	192.236m cm/N
BL Factor	BL	5.38
Voice Coil Inductance	Le	5.1455mH
Cone Area	Sd	132.732 Cm²
DC Resistance	Re	6.5 ohms
Mechanical Mass w/o air	Mmd	8.9g

Measurements

A detailed line drawing of the PRO-NS6 6.5-inch mid-range loudspeaker is provided, showing its circular cone, surround, basket structure, and terminal connections. The DS18 logo is visible on the cone and basket. A circular seal indicates 'DESIGNED & ENGINEERED IN USA'.

Dimensions:

Overall Diameter: 6.57" / 167mm
Overall Depth: 2.2" / 56mm
Front Mount Baffle Cutout: 5.7" / 145mm
Mounting Depth: 1.96" / 50mm
Motor Diameter: 4" / 103mm

The Sound Pressure Level (SPL) versus Frequency graph shows the loudspeaker's frequency response, indicating a peak sensitivity and a defined range.

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