monoblock amplifier

Robson MB1

Robson MB1

Monoblock Amplifier MB1

Robson Acoustics new Monoblock Amplifier MB1 represents the latest in high efficiency class D amplification and the beauty of hand crafted solid hardwood cabinets.

The first of a range of products following our love of natural materials and design approach to compliment our tube Pre-amplifier, Phono stage and our range of speakers.

Able to dig out the minutest detail from recordings without the harshness or fatigue associated with many class D amplifiers.
Hearing is believing!

The Monoblock Amplifier MB1 is capable of driving virtually any speaker with 500W’s of incredible dynamic and controlled power, low output impedance and optimised input stages.

Honed out of solid walnut to give both beauty and acoustic resonance control reducing the outside impact on the sound together with solid brass feet for vibration isolation. Walnut is well known for it’s textured and earthy tone and a great compliment to these amplifiers.

Fine solid silver wire is used for input and output connections with WBT binding posts for the ultimate retrieval of audio signal.

Optional input for balanced or single ended to eliminate switching and available on customer request where Lundahl transformers are used to isolate and match other equipment.

  • Acoustic tonewood cabinets
  • Low standby consumption
  • High input impedance
  • WBT pole connectors
  • Solid silver wiring
  • Huge damping factor

PRICE   £4999.00/PAIR


Output power 500W 4 ohms 270W 8 ohms
Class of operation Class D
Minimum load 2 ohms
Distortion 10Hz to 20kHz 0.002%
Signal to noise ratio 124dB
Output impedance 2.6 mohms
Peak output current 27 amperes
Damping factor >1000
Power consumption 650W
Input voltage 240V/50Hz
Output connectors WBT binding posts
Input connectors Balance RCA or XLR
Input impedance 10Kohms
Size 250W x 250H x 170W (mm)
Weight 7Kg

Robson MB1 - Image Gallery