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Monoblock

Name: Vacuum Tube Logic (VTL) Monoblock
Brand: Vacuum Tube Logic (VTL)

Vacuum Tube Logic (VTL)

AmplifiersTube AmplifiersPower AmplifiersDiscontinued

Estimated price (community-sourced)

$25,000

About the Monoblock

The VTL MB-125 Monoblock is a compact, high-performance vacuum tube monoblock amplifier handcrafted in the USA by VTL Amplifiers. It utilizes EL34 output tubes renowned for their sweet top-end and rich midrange, making it particularly suited for planar and electrostatic speakers as well as highly efficient floorstanding dynamic speakers. Key features include a high-energy storage power supply exceeding 200 joules, proprietary VTL output transformer, tetrode/triode switchable operation, individual bias adjustment for each of the 4 EL34 tubes, and an extruded aluminum front panel with a smoked glass window showcasing the tube glow. Available in black or silver finishes, these monoblocks are space-efficient and offer exceptional clarity and musicality. They operate in Class-AB1 and are praised for their reliability and pure tube sound philosophy.

Specifications

Key Specifications

Power: 100W

Full structured specifications are available to members.

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