Esb Audio 3.25 Soft Dome Tweeter Owner's Manual

Esb Audio 3.25 Soft Dome Tweeter Owner's Manual

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ESB AUDIO 3.25 soft dome tweeter

ESB AUDIO 3.25 soft dome tweeter

WHAT IN THE BOX

  • 25 mm voice coil
  • Nominal diameter 32.8 mm
  • N42 Neodymium magnet
  • Light vented aluminum former
  • High module silk dome
  • ABS housing with self-damping system
  • Ferrofluid cooling and damping
  • Computer optimized design
  • Motor metal parts CNC machined
  • Under dome dB Cloth® damping material
  • Multi-angle dash mounting cup
  • Flush or free mounting system

The tweeter has a silk-impregnated thin fabric dome diaphragm for a smooth sound, with an outer suspension covered with a high-loss damping material to eliminate edge vibration and resonance. The dome is of extremely low mass and is much less susceptible to mechanical deformation than other models, yet it provides a smooth, linear and very extended response.
The 25 mm voice coil has aluminum support and very light copper-coated aluminum wire. The coil is ventilated and damped with iron-fluid oil. The special SVS ventilation design provides two benefits: optimal cooling of voice coil and avoiding compressing the air at the back of the dome. Neodymium N42 magnet, a type of magnet with significantly higher performance than the classic “standard” ones, is optimized with computer simulations to get better efficiency and improve linearity.

 

SPECIFICATION

SPECIFICATIONS
Technical CharacteristicsSymbolValueUnits
GENERAL DATA
Overall DimensionDxh47 X 11mm
Nominal Power Handling (AES)*p80w
Transient Power *Pp160w
Sensivity 1W/1mSPL89dB SPL
Frequency Response1200 – 25.000Hz
Dome MaterialHigh module silk
*Nominal and Transiet power@ High Pass 2.5KHz – 12db/Oct

ESB AUDIO 3.25 soft dome tweeter-1

ELECTRICAL DATA
Nominal Impedancez4n
DC Resistancen3.71n
Voice coil InductanceLbm0.275µH
VOICE COIL AND MAGNET PARAMETERS
Voice Coil DiameterDia25.4mm
Voice coil Heighth2mm
Magnetic Gap HeightHE3.0mm
Max Linear excursionXmax±0.5mm
Voice Coil FormerAluminum
Number of layersn2
Magnet SystemNeodymium N-42H
EfficiencyTJo0.465%
BL ProductBxL2.3Na
Magnet dimension0 x h24.5×3.6mm

ESB AUDIO 3.25 soft dome tweeter-2

T&S PARAMETERS
Suspension CompilanceCms0.128N/m
Mechanical Q FactorOms1.129
Electrical Q FactorQes1.686
Total Q FactorQts0.676
Moving Massmms0.169g
Eq. Comp. Air LoadVAS0.011 
Resonance FrequencyFs1300Hz
Effective Piston AreaSD6.429cm’

Documents / Resouces

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