SB Acoustics SB29RDAC-C000-4 / Fabric Ring Radiator Dome Tweeter
SB Acoustics SB29RDAC-C000-4 / Fabric Ring Radiator Dome Tweeter - Image 2
SB Acoustics SB29RDAC-C000-4 / Fabric Ring Radiator Dome Tweeter - Image 3

SB Acoustics SB29RDAC-C000-4 / Fabric Ring Radiator Dome Tweeter

258,00 лв.

The SB29RDAC-C000-4 is one of the best fabric ring dome tweeters available for high-end builds. It offers fantastic off-axis performance, low crossover flexibility, and non-fatiguing treble clarity, making it ideal for audiophile 2-way towers, 3-way monitors, or wide-dispersion applications.

SKU: 060-2101
Category: , ,

Rating: 4 out of 5.
Brand:

Description

The SB Acoustics SB29RDAC-C000-4 is a 29 mm fabric ring dome tweeter (often called a ring radiator), engineered for superb off-axis performance, smooth high-frequency extension, and clean, low-distortion treble. It’s a standout option for high-end builds needing wide dispersion and low crossover flexibility, with the refinement of a soft dome.

Features

  • Non-resonant diaphragm design for minimum high frequency break-up
  • Dual balanced compression chamber for improved dynamics
  • Copper cap for reduced voice coil inductance and minimum phase shift
  • Saturation controlled motor system for low distortion
  • Non-reflective rear chamber with optimized damping for improved dynamics
  • Flow optimized vented pole piece for optimum coupling to rear chamber
  • CCAW voice coil for low moving mass
  • Long life silver lead wires
  • Cast aluminum faceplate
  • Low resonance frequency

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 600 Hz
  • Sensitivity (2.83 V / 1 m) 93 dB
  • Mechanical Q-factor, Qms 2.2
  • Electrical Q-factor, Qes 0.9
  • Total Q-factor, Qts 0.64
  • Force factor, Bl 2.4 Tm
  • Rated power handling* 100 W
  • Magnetic flux density 1.1 T
  • Magnet weight 0.22 kg
  • Net weight 0.54 kg

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

✅ Why It’s a Killer Choice

  • Ring radiator design gives wider dispersion and cleaner roll-off compared to standard domes.

  • Low Fs (~600 Hz) = exceptional crossover flexibility—suitable even for large 2-ways or 3-way mids.

  • Smooth, open treble without harshness—perfect for long listening sessions.

  • 91 dB sensitivity makes it easy to pair with most woofers and midwoofers.

  • Rear damping chamber improves transient response and reduces distortion.

🛠️ Crossover Tips

  • Suggested crossover point: 1.5–2.5 kHz
    (Use 4th-order slopes if going near 1.5 kHz)

  • Ideal pairings:

    • SB17NRXC35-4 – 6.5″ woofer

    • SB23NRXS45-8 – 8″ woofer

    • Satori MW19P-4 / MW16TX-4 – for high-end 2-way towers or 3-ways

⚖️ SB29RDAC vs Other SB Tweeters

Tweeter SB29RDAC-C000-4 SB29SDAC-C000-4 SB29BAC-C000-4 (Be)
Dome Type Ring radiator Standard dome Standard dome
Dome Material Fabric Fabric Beryllium
Fs ~600–700 Hz ~700 Hz ~500 Hz
Dispersion Very wide Wide Controlled
Tonality Airy, open, non-fatiguing Smooth, rich Clean, ultra-detailed

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