Stereo 40 MkIV vs Stereo 845PP
The Stereo 845PP's power @ 8ω is 40W against the Stereo 40 MkIV's 50W, its signal-to-noise 93 dB against 90 dB, and its thd 0.150% against 0.200%. Both share class (A).
AI-generated product photo — not official manufacturer imagery.
AmplifiersIntegrated AmplifiersTube Amplifiers
Estimated price (community-sourced)
$4,500
Around — community and catalog average, updates slowly
About the Stereo 40 MkIV
The Icon Audio Stereo 40 MkIV is a hand-wired integrated valve amplifier designed in the UK and assembled in China. It uses a class A triode front end with a push-pull output stage, offers selectable Ultralinear or Triode operation, and is known for its flexible valve compatibility, upgraded output transformers, and user-friendly features such as a motorized volume control, headphone socket, record loop, and bias meter.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 50W @ 8Ω
- Amplifier Class
- A
- Minimum Impedance
- 4Ω
- Input Sensitivity
- 0.3V RMS
Analog Output
Analog signal output specifications
- THD
- 0.200%
- SNR
- 90 dB
Connectivity
Input and output connections
- Bluetooth
- No
- Wi-Fi
- No
- Ethernet
- No
- Analog Inputs
- RCA
- Analog Outputs
- RCA
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 390 × 230 × 410 mm (W × H × D)
- Weight
- 22 kg (49 lbs)
Key Specifications
Power: 50W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions