SB Acoustics SB29RDNC-C000-4 / Fabric Ring Radiator Dome Tweeter
SB Acoustics SB29RDNC-C000-4 / Fabric Ring Radiator Dome Tweeter - Image 2
SB Acoustics SB29RDNC-C000-4 / Fabric Ring Radiator Dome Tweeter - Image 3

SB Acoustics SB29RDNC-C000-4 / Fabric Ring Radiator Dome Tweeter

286,80 лв.

The SB29RDNC-C000-4 is a top-tier soft ring dome tweeter for speaker designers who need ultra-wide dispersion, low crossover flexibility, and a compact footprint—without sacrificing sonic performance. It’s one of the best choices for audiophile MTMs, 2-way bookshelves, or 3-way monitors that demand clean, airy treble and tight integration.

SKU: 060-2555
Category: , ,

Rating: 4 out of 5.
Brand:

Description

The SB Acoustics SB29RDNC-C000-4 is a 29 mm fabric ring dome tweeter (ring radiator) with a neodymium magnet and compact faceplate, offering wide dispersion, low distortion, and exceptional crossover flexibility in a tight footprint. It’s a premium solution for high-end compact speakers, MTM designs, or narrow-baffle 2-ways where both sound quality and size matter.

Features

  • Non-resonant diaphragm design for minimum high frequency break-up
  • CCAW voice coil for low moving mass
  • Long life silver lead wires
  • Low resonance frequency
  • Copper cap on pole piece for reduced voice coil inductance and minimum phase shift
  • Inherently shielded neodymium motor system
  • Internal pressure equalization and flow resistor for non-resonant coupling of cavities
  • Compact design

Specs

  • Nominal Impedance 4 Ω
  • DC resistance, Re 3.0 Ω
  • Voice coil inductance, Le 0.05 mH
  • Effective piston area, Sd 9.6 cm2
  • Voice coil diameter 29.0 mm
  • Voice coil height 2.0 mm
  • Air gap height 2.5 mm
  • Linear coil travel (p-p) 0.5 mm
  • Moving mass incl. air, Mms 0.45 g
  • Free air resonance, Fs 680 Hz
  • Sensitivity (2.83 V / 1 m) 94 dB
  • Mechanical Q-factor, Qms 1.2
  • Electrical Q-factor, Qes 0.72
  • Total Q-factor, Qts 0.45
  • Force factor, Bl 2.6 Tm
  • Rated power handling* 100 W
  • Magnetic flux density 1.2 T
  • Magnet weight 31 g
  • Net weight 0.17 kg

* IEC 268-5, high-pass Butterworth, 2600 Hz, 12 dB/oct.

✅ What Makes It Exceptional

  • Ring dome + rear chamber = ultra-smooth top end, low distortion, and wide, even dispersion.

  • Very low Fs (~600 Hz) enables low crossover points—ideal for 2-way and 3-way systems.

  • Compact 72 mm faceplate = perfect for tight driver spacing, MTM speakers, and narrow baffle designs.

  • Smooth, detailed treble with excellent imaging and a natural, non-fatiguing signature.

🛠️ Crossover Guidance

  • Recommended crossover point: 1.5–2.2 kHz
    (Use 4th-order filters if crossing near the lower end)

  • Great driver matches:

    • SB15NBAC30-4 – 5.5″ aluminum cone

    • SB17NRX2C35-4 – 6.5″ paper cone

    • Satori MW16TX-4 – for high-end systems with wide dispersion and detail

⚖️ SB29RDNC vs SB29RDAC

Feature SB29RDNC-C000-4 SB29RDAC-C000-4
Dome Type Ring dome (fabric) Ring dome (fabric)
Magnet Neodymium Ferrite
Faceplate 72 mm (compact) 104 mm
Fs ~600 Hz ~600–700 Hz
Sensitivity ~91 dB ~91 dB
Best Use Case Tight layouts, MTM, slim Full-size baffles, towers

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