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Visaton FR 8 4 Ohm, 3.3 Inch, Full Range Speaker

FR 8 · 4 Ω · part 2007 — Product photo

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FR 8 · 4 Ω · part 2007 — Product photo Product photo FR 8 · 4 Ω · part 2007 — Dimension drawing Dimension drawing FR 8 · 4 Ω · part 2007 — Response and impedance Response and impedance FR 8 · 4 Ω · part 2007 — Directivity pattern Directivity pattern

Product photographs and manufacturer drawings. Images are not to scale.

FR 8 · 4 Ω · part 2007 — Product photo

Product photo

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Part number: 2007

An 8 cm full-range driver for compact built-in music systems, electronic instruments and column loudspeakers.

Nominal size
8 cm / 3.3 inch
Impedance
4 Ω
Rated power
10 W
Cut-out
75 mm
Sensitivity
86 dB (1 W/1 m)
Resonance
150 Hz
ex VAT
£11.94 inc VAT
Maximum quantity available reached.

Stock and dispatch
Selected products are held in UK stock; other lines are sourced to order. Dispatch timing depends on the product and quantity.

Delivery information. Need it for a specific date? Ask us.

Quantity discounts

Description

The moisture-resistant cone and metal basket suit built-in music and speech systems. This 4 Ω version handles 10 W rated power and fits a 75 mm cut-out.

Typical applications

  • Built-in music systems
  • Electronic instruments
  • Column loudspeakers
Full specifications
FR 8 · 4 Ω
Rated power10 W
Maximum power15 W
Nominal impedance4 Ω
Frequency response (−10 dB)130–20000 Hz
Mean sound pressure level86 dB (1 W/1 m)
Opening angle (-6 dB)180°/4000 Hz
Excursion limit±2 mm
Resonance frequency fs150 Hz
Magnetic induction1.4 T
Magnetic flux200 µWb
Height of front pole-plate3 mm
Voice coil diameter15 mm
Height of winding5 mm
Cut-out75 mm
Net weight0.24 kg
D.C. resistance Rdc3.4 Ω
Mechanical Q factor Qms5.38
Electrical Q factor Qes1.3
Total Q factor Qts1.05
Equivalent volume Vas0.6 l
Effective piston area Sd30 cm²
Dynamically moved mass Mms1.6 g
Force factor Bxl2.1 Tm
Inductance of the voice coil L0.3 mH
Terminals4.8 x 0.8 mm (+)/2.8 x 0.8 mm (-)
Temperature range–25 to 70 °C
Dimensions and drawings
FR 8 · 4 Ω · part 2007 — Dimension drawing

Dimension drawing · Open original image

Installation and cabinet guidance

Allow for a 75 mm panel opening and align the four slotted fixing holes before drilling. Optional grilles 1138 and 4634 provide rear- and front-mounting options.

Use an amplifier suitable for the 4 Ω load and observe terminal polarity. For a 100 V line system, connect through a suitable line transformer; do not connect the driver directly to the line.

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