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NEW Visaton SL70NDV4 2.5" Full-Range Speaker 4 Ohm

VisatonPart # 292-7824
Model: SL 70 NDV

The Visaton SL70NDV4 is a 6.5 cm (2.5") full-range speaker designed for balanced frequency response and enhanced high-frequency performance. Its water-resistant construction and lightweight design, utilizing robust plastic materials and a neodymium magnet, make it ideal for both indoor and outdoor installations. With an IP65 rating and compact form factor, it is a versatile solution for applications where durability, clarity, and space-saving design are critical.

Key Features

  • Balanced frequency response from 150 Hz to 20,000 Hz for accurate sound reproduction
  • IP65 protection rating for resistance to dust and water in sealed enclosures
  • Robust plastic materials for long-lasting durability and stability
  • Neodymium magnet for lightweight and compact design without sacrificing performance
  • Operating temperature range from −40 to 80 °C for reliable performance in extreme climates
  • For a quote on a large qty order, please press "Request Large Qty Quote"
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Price: $15.19Part # 292-7827
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Overview

Visaton SL70NDV4 2.5" Full-Range Speaker 4 Ohm

The SL 70 NDV - 4 Ohm is optimized for installations requiring compact and lightweight drivers, such as narrow network column speakers, model construction, and electronic devices. Its durable and water-resistant design ensures reliable performance in harsh conditions, while its balanced frequency response delivers exceptional clarity. Whether used in stationary setups or mobile applications, this speaker offers a robust and versatile solution for high-quality audio reproduction.

Technical Data

  • Rated power: 8 W
  • Maximum power: 15 W
  • Nominal impedance Z: 4 Ohm
  • Frequency response: 150–20000 Hz
  • Mean sound pressure level: 86 dB (1 W/1 m)
  • Excursion limit: ± 3 mm
  • Resonance frequency fs: 220 Hz
  • Magnetic induction: 1.26 T
  • Magnetic flux: 148 µWb
  • Voice coil diameter: 15 mm
  • Height of winding: 3 mm
  • Cutout diameter: 63 mm
  • Net weight: 60 g
  • D.C. resistance Rdc: 3.8 Ohm
  • Mechanical Q factor Qms: 4.9
  • Electrical Q factor Qes: 2.23
  • Total Q factor Qts: 1.53
  • Equivalent volume Vas: 0.43 l
  • Effective piston area Sd: 21.6 cm²
  • Dynamically moved mass Mms: 0.8 g
  • Force factor Bxl: 1.39 Tm
  • Inductance of the voice coil L: 0.1
  • Connections: 3.0 x 0.5 mm (+)/3.0 x 0.5 mm (-)
  • Protective system: IP 65 *)
  • Temperature range: −40 - 80 °C

Product Details

BrandVisaton
ModelSL 70 NDV
Part Number292-7824
Unit of MeasureEach
Weight0.13

Product Specifications

Nominal Diameter2-1/2"
Power Handling (RMS)8 Watts
Power Handling (MAX)15 Watts
Impedance
Frequency Response150 to 20000Hz
Sensitivity86dB 2.83V/1m
Voice Coil Diameter0.59"

Thiele-Small Parameters

Resonant Frequency (Fs)220Hz
DC Resistance (Re)3.8Ω
Voice Coil Inductance (Le)0.1mH
Mechanical Q (Qms)4.9
Electromagnetic Q (Qes)2.23
Total Q (Qts)1.53
Compliance Equivalent Volume (Vas)0.015ft³
BL Product (BL)1.39T·m
Diaphragm Mass Inc. Airload (Mms)0.8g
Maximum Linear Excursion (Xmax)3mm
Surface Area of Cone (Sd)21.6cm²

Mounting Information

# Mounting Holes4

Specifications

Q&A

Reviews

Manuals & Resources

California Prop 65

WARNING: Cancer and Reproductive Harm

www.P65Warnings.ca.gov