MB-125

After years of refinement, this amplifier boasts unparalleled clarity and musicality in its price range. These space-saving mono amplifiers, available individually or in pairs, are ideal for two-channel systems and home theater systems. Utilizing the EL34 tube, renowned for its sweet high frequencies and rich midrange, they are best suited for use with planar speakers, electrostatic speakers, and high-sensitivity floorstanding dynamic speakers.
High-energy storage power supply >200 joules.
VTL proprietary output transformer; switchable tetrode/triode; 100 watts per channel in tetrode mode; 50 watts per channel in triode mode; uses 4 EL34 tubes per channel, each with independently adjustable bias.
Featuring an extruded aluminum alloy front panel, it boasts a luxurious and modern look—available in black and silver.
There is a thick, smoked glass window on the front panel through which you can see the light emitted by the lamps.
Vacuum Tube Complement 4 x EL34, 2 x 12AT7
Output power
20Hz – 20kHz <3%
Tetrode: 100W, Triode: 50W
Into 5Ω
Input sensitivity 700mV
Input impedance 145kΩ
Optimum load range 2Ω – 8Ω
S/N Ratio -95dB, 120Hz @ 100W Tetrode or 50W Triode
Power consumption Idle = 100W, Full power = 300W
Primary mains fuse ratings 100/120V = 6A Ceramic Slo Blo, 220/240V = 3A Ceramic Slo Blo
B+ fuse ratings 0.75A Fast Acting Ceramic
Dimensions W x D x H 16 x 12 x 7 inches (40 x 30 x 18 cm)
Weight per monoblock
42lbs (22Kg) unpacked, 45lbs (25Kg) packed