Kerr Acoustic K300mk2 & Amphion Amp 500

Passive 2-way nearfield studio monitor powered by a 500W Class D amplifier


We’ve partnered the Kerr Acoustic K300 with the superb Amphion Amp500 Class D Power Amplifier – A marriage made in heaven.

The Kerr Acoustic K300 is a passive 2-way nearfield studio monitor designed to provide uncompromising performance.
The Kerr Acoustic K300 uses a single 6.5″ mid-bass driver made of sliced wood fibre and caters for LF duties as well as providing critical midrange reproduction, while a planar 2″ ribbon tweeter carries up to 45kHz for incredible transient detail.
The K300 also boasts a quarter-wave transmission line waveguides designed to provide perfectly controlled and extended bass. Furthermore, Kerr Acoustic uses hand wound inductors for their passive crossover ensuring tightly controlled parts with correct gauge, inductance and physical properties for optimum performance.
Cabinets are made of Baltic Birch plywood responsibly sourced from Russia, which provides outstanding strength and rigidity as well as superior inert properties which in turns provides incredible sonic performance.
Kerr Acoustic K300 Studio Monitor Overview:

2-Way Transmission-Line Monitor Speaker
LF Driver: 6.5″ Sliced wood fibre cone
HF Driver: 2″ Planar true ribbon tweeter
Frequency Response: 33 Hz – 45 kHz
Sensitivity: 89dB
Crossover: 2.4 kHz – 12dB/ Octave
Tweeter attenuation: -2dB| 0dB|+2dB
Connection: Single pair 5-way binding posts
Dimensions (H)x(W)x(D): 420 x 195 x 395 mm
Weight: 12kg

The Amphion Amp500 is a 2x500W Class D stereo amplifier consisting of two bridged mono modules.
The Amphion Amp500 is designed to power Amphion One18, Two15 and Two18 studio monitors.
Amphion Amp500 Stereo Amplifier Features:

2 x 500W into 2Ω @ 1% THD
900W RMS BTL into 4Ω @ < 1% THD Patented AMS (adaptive modulation servo) amplifier technology 100kHz load independent frequency range (-3dB) Almost flat THD vs frequency 115dB dynamic range Output impedance <10mΩ from 20Hz - 20kHz Differential inputs with 0.1% resistors for improved CMRR AUX output for third hanger channel 2U rackmount XLR input 4 x Argento Audio 3 way binding post for banana's, bare wire or spades.


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