DS18 PRO-GM6.4B

Owner's Manual

Product: 6.5" Mid-Range Loudspeaker with Bullet

Manual de Usuario: Altavoz de 6.5" de Rango Medio con Bala

Languages: English | Español

Product Overview

The DS18 PRO-GM6.4B is a 6.5-inch mid-range loudspeaker designed for high-performance audio systems. It features a red aluminum bullet for enhanced sound dispersion and is engineered for robust audio output.

Product Dimensions and Performance

Top View Diagram: Illustrates the speaker's top profile, indicating an overall diameter of 6.5 inches (165.1mm) and a bolt circle diameter of 6.57 inches (167mm).

Side View Diagram: Depicts the speaker's side profile, showing key measurements: motor diameter of 4.33 inches (110mm), front mount baffle cutout of 5.7 inches (145mm), mounting depth of 2.5 inches (64mm), and overall depth of 2.7 inches (69mm).

SPL vs. Frequency Graph: This graph displays the Sound Pressure Level (dBSPL) on the vertical axis against Frequency (Hz) on the horizontal axis. The red curve represents the speaker's performance, showing a peak sensitivity around 200 Hz and extending up to 20 kHz. An accompanying red curve indicates the impedance in Ohms, confirming a nominal impedance of 4 Ohms.

Specifications

Specification	Value
Nominal Diameter	6.5" / 165.1mm
Nominal Impedance	4 OHMS
RMS Power Handling	140 Watts
MAX Power Handling	480 Watts
Sensitivity (1w/1m)	93dB
Frequency Response	100Hz - 6.3KHz
Recommended Hi Pass Crossover	120 Hz
Configuration	Single / Unidad

Motor Specifications

Voice Coil Diameter	1.5" / 38.1mm
Voice Coil Former Material	Kapton
Winding Material	CCAW
Cone Material	Paper / Papel
Bullet Material	Red Aluminum / Aluminio Rojo
Surround Material	Cloth / Tela
Basket Material	Steel / Acero
Basket Color	Matte Black / Negro Mate
Magnet Material	Ferrite / Ferrita
Magnet Weight	23 oz

Thiele & Small Parameters

Equivalent Volume (Vas)	4.9L / 0.173ft³
Free Air Resonance (Fs)	113Hz
Mechanical Factor (Qms)	11.955
Electrical Factor (Qes)	0.705
Total Factor (Qts)	0.666
Mechanical Mass (Mms)	9.862g
Mechanical Compliance (Cms)	0.198mm/N
BL Factor (BL)	5.75
Voice Coil Inductance (Le)	0.453mH
Cone Area (Sd)	132.73cm²
DC Resistance (Re)	3.3 Ohm

Measurements

Overall Diameter	6.57" / 167mm
Overall Depth	2.7" / 69mm
Front Mount Baffle Cutout	5.7" / 145 mm
Mounting Depth	2.5" / 64mm
Motor Diameter	4.33" / 110mm

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