45 SE vs EAR V20
The V20's power @ 8ω is 24W against the 45 SE's 2W and its input impedance 35.4Ω against 220000Ω. Both share class (A).
AI-generated product photo — not official manufacturer imagery.
45 SE
Jeff KorneffAmplifiersIntegrated AmplifiersTube AmplifiersDiscontinued
Estimated price (community-sourced)
$3,000
Around — community and catalog average, updates slowly
About the 45 SE
The Jeff Korneff 45 SE Integrated Amp is a single-ended triode (SET) amplifier delivering approximately 2 watts per channel in pure Class A operation. It is directly heated and auto-biased, designed for audiophiles seeking nuanced and subtle inner detail in music reproduction. The amplifier is 100% point-to-point wired with no printed circuit boards, featuring premium components such as Electra-Print and Hammond transformers, Angela/Jensen Aluminum Foil Paper In Oil capacitors, and Takman porcelain resistors. The tube complement includes a pair of National Union 45 output tubes, GE 6SN7 GTB input/driver tubes, and a National Union 5u4G rectifier tube. It has an input impedance of 220k ohms and operates without negative feedback. The amp is noted for its effortless, mesmerizing sound that is warm yet extraordinarily fast and detailed. It is a rare and highly regarded amplifier, originally built around 2012 and often praised for its sonic qualities compared to other SET amplifiers.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 2W @ 8Ω
- Amplifier Class
- A
- Input Impedance
- 220000Ω
Connectivity
Input and output connections
- Bluetooth
- No
- Wi-Fi
- No
- Ethernet
- No
Key Specifications
Power: 2W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions