The Model 12+ is an exceptional electrostatic speaker that delivers unparalleled sound quality, making it perfect for discerning audiophiles. With its sleek and modern design, this speaker seamlessly integrates into any environment while providing an immersive audio experience. Utilizing advanced electrostatic technology, the Model 12+ captures every detail and nuance, allowing you to enjoy music as it was meant to be heard. Basic Frequency response (+/- 3db): 42 – 23.000Hz Horizontal dispersion: 20° Sensitivity: 88 dB/2.83 volt (1 meter) Impedance: 6 Ohm; 3 ohm at 20kHz Weight:18 kg each Remaining Transducer: Super linear electrostatic transducer Recommended amplifier: 50 to 150 watts per channel / 4, 5, or 8 Ohm compatible Components: UI48 high resolution audio transformer, audio grade film capacitors, low loss air coils Inputs: Gold plated speaker terminals suitable for banana and spade Floor standing