SB Acoustics SB29BAC-C000-4 / Beryllium Dome Tweeter
SB Acoustics SB29BAC-C000-4 / Beryllium Dome Tweeter - Image 2
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SB Acoustics SB29BAC-C000-4 / Beryllium Dome Tweeter

1 314,00 лв.

The SB29BAC-C000-4 is an elite beryllium tweeter that brings exceptional resolution and musical precision to serious speaker designs. It gives you flagship-level performance at a more accessible price than the Satori BN, making it perfect for reference monitors, audiophile towers, and high-end DIY builds.

SKU: 060-2631
Category: , ,

Rating: 4 out of 5.
Brand:

Description

The SB Acoustics SB29BAC-C000-4 is a 29 mm beryllium dome tweeter, positioned as a high-end performer just below the flagship Satori TW29BN line. It delivers ultra-high-resolution treble, excellent transient response, and superb off-axis performance, making it ideal for reference-grade 2- or 3-way systems.

Features

  • Beryllium dome for non-resonant high frequency extension
  • Large surround dome for increased acoustic output
  • Copper cap for reduced voice coil inductance and minimum phase shift
  • Saturation controlled motor system for low distortion
  • Dual balanced compression chambers for improved dynamics
  • Flow optimized vented pole piece for optimum coupling to rear chamber
  • Non-reflective rear chamber with optimized damping for improved dynamics
  • CCAW voice coil for low moving mass
  • Long life flexible lead wires
  • Cast aluminium 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 0.46 g
  • Free air resonance, Fs 650 Hz
  • Sensitivity (2.83V/1m) 93 dB
  • Mechanical Q-factor, Qms 2.71
  • Electrical Q-factor, Qes 1.22
  • Total Q-factor, Qts 0.84
  • Force factor, Bl 2.4 Tm
  • Rated power handling* 80 W
  • Magnetic flux density 1.1 T
  • Magnet weight 0.22 kg
  • Net weight 0.5 kg

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

🔍 Why Beryllium?

Beryllium is a premium dome material prized for:

  • Extreme rigidity (no dome breakup in the audible band)

  • Very low mass (light = fast response)

  • Neutrality – no coloration or “dome flavor”

  • Transparency – exposes micro-detail with surgical precision

SB Acoustics’ implementation ensures the treble is clean but not clinical, with refined musicality.

✅ Performance Highlights

  • Extremely low Fs (~500 Hz) – gives huge crossover flexibility, even as low as 1.5–1.8 kHz

  • Incredibly detailed treble – unveils texture, air, and space without harshness

  • Low distortion, even at high SPLs – thanks to the dome, damping, and motor design

  • Smooth off-axis behavior – wide soundstage with natural imaging

🛠️ Crossover Tips

  • Safe crossover: 1.8–2.5 kHz (2 kHz sweet spot)
    4th-order slopes recommended for lower points

  • Excellent match for:

    • Satori MW16P / MW19P (paper cone)

    • SB17NBAC35-4 (aluminum cone)

    • SB15CRC30-4 (ceramic cone)

    • High-end 2-way monitors or towers

⚖️ SB29BAC vs Other High-End Domes

Tweeter SB29BAC-C000-4 Satori TW29BN-B SB26CDC-C000-4
Dome Material Beryllium (29 mm) Beryllium (29 mm) Ceramic-coated aluminum
Fs ~500–600 Hz ~500 Hz ~1.5 kHz
Sensitivity ~91 dB ~91 dB ~91 dB
Rear Chamber Yes Yes No
Sound Clean, detailed, airy Hyper-refined, ultra-neutral Refined, smooth

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