PA555 vs VP130 MK2
The VP130 MK2's thd is 0.050% against the PA555's 0.100% and its input impedance 47000Ω against 10Ω. Both share signal-to-noise (103 dB) and output impedance (100Ω).
AI-generated product photo — not official manufacturer imagery.
AmplifiersPre-AmplifiersTube Amplifiers
Estimated price (community-sourced)
$275
Around — community and catalog average, updates slowly
About the PA555
The Bellari PA555 Tube Preamplifier is a compact, pure analog device featuring a single 12AX7 vacuum tube running at 150 volts, delivering 11.1 dB of gain directly from the tube stage with no feedback or integrated circuits in the audio path. It offers four selectable stereo inputs (3x RCA rear, 1x 3.5mm front) and stereo RCA outputs, ideal for enhancing line-level sources like DACs, CD players, or devices with built-in phono preamps. Hand-assembled in the USA, it provides rich, warm tube tone, excellent clarity, and a wide soundstage, making it a versatile and affordable addition to any HiFi system. Includes 15VDC power supply and 1-year warranty.
Specifications
Power Specifications
Amplification power output and characteristics
- Amplifier Class
- A
- Input Impedance
- 10Ω
Analog Output
Analog signal output specifications
- THD
- 0.100%
- SNR
- 103 dB
- Output Impedance
- 100Ω
Connectivity
Input and output connections
- Bluetooth
- No
- Wi-Fi
- No
- Ethernet
- No
- Analog Inputs
- RCA, 3.5mm TRS
- Analog Outputs
- RCA
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 153 × 64 × 138 mm (W × H × D)
- Weight
- 0.9 kg (2 lbs)
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions