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AT60NC-4

SB Acoustics Satori AT60NC-4 Tweeter

SB Acoustics Satori Logo

The SB Acoustics Satori AT60NC-4 is a high performance AMT (air motion transformer) tweeter with a very flat on-axis frequency response of ±1.5 dB between 3.2kHz-26 kHz; the impedance curve is almost pencil flat - an excellent result.

AMT tweeters are members of the ribbon family but have a radically different mode of operation: these tweeters feature a specially folded / pleated diaphragm that expands and contracts along its length like a bellows transforming an electrical signal into air waves and can therefore technically be viewed as a type of sound modulated air pump. The pleating of the AMT diaphragm offers a larger active radiating area in the minimum of space.

Key Features:

  • Damped kapton / aluminium diaphragm
  • Decoupled 2 part faceplate
  • Optimised rear chamber
  • Smooth controlled dispersion pattern
  • Very flat on-axis response
  • Nominally flat impedance curve
  • Matching transformer not required

Basic parameters:

Resonant frequency (fs) 2200 Hz Nominal impedance (Zn) 4 Ω
Effective diaphragm diameter 12.6cm² DC resistance (Re) 3.9 Ω
Ferrofluid ? Y/N -
Max power handling 100 W
Recommended crossover 3kHz/18dB Faceplate
90x74mm
Sensitivity (2.83V/1m) 91dB Cutout hole 68x68mm

Here's the full datasheet:

.pdf link

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