MB-125 vs EAR 509
The 509's signal-to-noise is 96 dB against the MB-125's 95 dB, its thd 0.500% against 3.000%, and its input sensitivity 1.2V RMS against 0.8V RMS. Both share power @ 8ω (100W).
AI-generated product photo — not official manufacturer imagery.
AmplifiersPower AmplifiersTube Amplifiers
Estimated price (community-sourced)
$14,050 - $19,995
Around — community and catalog average, updates slowly
About the MB-125
The Vacuum Tube Logic (VTL) MB-125 is a handcrafted tube monoblock power amplifier designed for high-end two-channel and home theater systems. It uses VTL’s proprietary output transformer, a high-energy-storage power supply, and switchable tetrode/triode operation for a balance of power and tube-driven musicality. It is especially suited to planar, electrostatic, and efficient dynamic speakers.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 100W @ 8Ω
- Power @ 4Ω
- 130W @ 4Ω
- Amplifier Class
- AB
- Minimum Impedance
- 2Ω
- Input Sensitivity
- 0.8V RMS
- Input Impedance
- 145Ω
Analog Output
Analog signal output specifications
- THD
- 3.000%
- SNR
- 95 dB
Connectivity
Input and output connections
- Bluetooth
- No
- Wi-Fi
- No
- Ethernet
- No
- Analog Inputs
- line-level
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 400 × 178 × 318 mm (W × H × D)
- Weight
- 22 kg (49 lbs)
Key Specifications
Power: 100W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions