YJHiFi YJ-6J1 Tube Bile Preamp Fever Home HIFI Preamp Tube Bile Preamplifier Amplifier

Features Use original 6J1 tubeThe main filter capacitor is imported 1000UF 25V and the coupling capacitor is 1UFThe resistance is a five ring 1 metal resistance to ensure a good signal to noise ratio of the whole machinePCB adopts 1 6mm thick double sided board 2 0 oz copper thickness and full tinning process to ensure good passing performance of large and small currents First class PCB qualityThe input and output use gold plated RCA seat durable and beautifulThis board has reasonable wiring beautiful appearance and low current noisePower Supply DC12 V2A not included Net Weight 0 4KGSize length 137 width 104 height 41MM excluding tube height Tips 1 This finished machine is a pre amplifier not a power amplifier it should be used with a post amp or active speaker Do not directly connect to passive speakers speakers or earphones as power amplifiers they cannot be used in vehicles as the vehicle voltage will be unstable and will burn 2 Poor filtering of the general audio cable or power supply has a very high probability of causing the bottom noise current sound It is recommended to use a good audio cable or power supply 3 Make sure that there is no problem with your sound source The preamplifier itself has a preamplifier function If the sound source is noisy the preamplifier will only amplify the noise Please use a good sound source to test 4 Check whether the electron tube is properly inserted into the base Please insert the electron tube into the