FD422 Tube Amplifier Tube Power Amplifier FD422 A Single-ended Tube Amplifier
Black models: Iron sprayed plastic case (earphone model) randomly send a 6.5 to 3.5 headset headWhite models: stainless steel caseThe delivery comes with 5 tubes: 1 Dawn 5z3p rectifier tube, 2 Soviet 6h9c pre-level tubes, 2 Dawn fd422 post-level tubesfd422 Class A single-ended tube power amplifier, the main parameters of the machine:Input voltage: 220v (other 110v 230v240v voltage customized transformers separately)Output power: 8w 8wOutput impedance: 4Ω 8ΩInput impedance: 100kFrequency response: 20hz---20khzInput sensitivity: 400mv-2000mvSignal to noise ratio: 90dbHarmonic distortion: 2%Overall dimensions: 330mm wide X260mm deep X210mm highAmplifier configuration:Rectifier tube: 5z3p (other replacements include 5z3pa 5u3c 274b 5u4g, etc.)Pre-tube: 6h9c Soviet Union (Other replacements include 6n9p 6sl7 5691, etc.)After the tube: fd422 (other substitution 2e22)
Maximum Power Per Channel : 4W
Origin : Mainland China
Package : Yes
Channels : 2 (2.0)
Certification : NONE
Model Number : FD422