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Monacor RBT-20 Ribbon Tweeter - Matched Pair

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The Monacor RBT-20 is a true ribbon tweeter featuring an 12x60mm diaphragm, a high power neodymium magnet and a 127mm circular alloy faceplate. The ribbon material is an ultra light (10mg) multilayer aluminium sandwich with a cross section of 0.01mm (approx 0.4 thou).

The end tensioning clamps form a substantial heatsink for the low impedance ribbon and an impedance matching transformer is built into the back of the housing.

We recommend a minimum crossover frequency of 2.3kHz / 18db octave.

Priced as matched pairs.

Key Features:

  • Smooth extended response 1.2-40kHz
  • Ultra lightweight ribbon
  • Neodymium magnet system
  • Built in impedance matching transformer
  • Alloy body / faceplate
  • Excellent transient response
  • Low distortion

Basic parameters:

Frequency range 1.2-40kHz Nominal impedance (Zn)
Ribbon dimensions 60x12mm
DC resistance (Ribbon) 0.02 Ω
Effective area (squared) 720mm
RMS power handling 25 W
Crossover frequency

2.3kHz / 18db

Peak power 50W
Sensitivity (2.83V/1m) 94dB Faceplate (diameter) 127mm  


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