12AX7 (ECC83) Vacuum Tube HiFi vs Rotel RC-971
The RC-971's output voltage is 1.0V RMS against the 12AX7 (ECC83) Vacuum Tube HiFi's 2.0V RMS and its input sensitivity 0.1V RMS against 0.4V RMS.
AI-generated product photo — not official manufacturer imagery.
12AX7 (ECC83) Vacuum Tube HiFi
NobsoundAmplifiersPre-AmplifiersTube Amplifiers
Estimated price (community-sourced)
$107.46
Around — community and catalog average, updates slowly
About the 12AX7 (ECC83) Vacuum Tube HiFi
The Nobsound 12AX7 (ECC83) Vacuum Tube HiFi listing appears to refer to a Nobsound tube-based hi-fi preamplifier using a 12AX7/ECC83 dual-triode tube, rather than to a standalone tube manufactured by Nobsound. Available listing information identifies a compact, assembled stereo preamplifier with RCA line-level connections and tube amplification. The product-specific information available is limited, and the tube brand, circuit topology, channel configuration details, and complete performance specifications are not clearly documented. Some listings pair the 12AX7/ECC83 with a 12AU7/ECC82, so the exact configuration should be confirmed from the individual unit or seller listing.
Specifications
Power Specifications
Amplification power output and characteristics
- Input Sensitivity
- 0.4V RMS
Analog Output
Analog signal output specifications
- Output Voltage
- 2.0V RMS
Connectivity
Input and output connections
- Analog Inputs
- RCA
- Analog Outputs
- RCA
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions