The newly designed MRE 220 mono power amplifier is based on the ultra-reliable MRE 130 and the award winning RE 290 models. The RE 290 was designed for the newly developed KT 120 power tube. This model won the prestigious Golden Sound Award from Hifi Magazine Stereo Sound in Japan and is used as a reference amplifier by many editors. The MRE 220, Octave’s second amplifier designed for the KT 120, achieves a performance that was previously deemed impossible with tube amplifiers with the KT 120 and its new Power Supply and Output-Transformer-Section designs. The output power climbs up to 220 W RMS into 4 Ohms with 300 W Impulse Power. Just to mention a few key specs: The Power bandwidth at full power ranges from 20 Hz up to 70 kHz. The amplifier is stable down to 2.5 Ohm speaker impedance and the S/N ratio is higher than -116dB. The input section can be optionally equipped with a Balanced Input Transformer. Such an Input Transformer eliminates effective ground loops and high frequency noise on the ground line which can affect the sound.

Octave MRE 220 Mono Power Amplifier

Optional Input Transformer
  • Technical Data


    Power Output 220 Watt into 4 Ohm
    Frequency Response 5 Hz - 80 kHz / - 3 dB
    Total Harmonic Distortion < 0,1% at 10 Watt into 4 Ohm
    Signal-to-Noise Ratio > 100 dB
    Minimum Speaker Impedance 2 Ohm
    Gain / Input Sensitivity + 29,5 dB
    Connections 1 x RCA
    1 x XLR Input
    Features ECO Mode, Bias Adjustment, Option Input transformer
    Power Consumption 500 Watt at full power
    Standard Accessory: Power cord, 3 mm Screwdriverr for BIAS Adjustment, 1 sparetube KT120
    Dimensions in mm: W x H x D 488 x 186 x 410
    Weight 29 kg each Amplifier
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