6J9 Tube USB Decoding Ear Daring Preamp Machine HIFI Audio Amplifier Preamplifier

6J9 Tube USB Decoding Ear Daring Preamp Machine HIFI Audio Amplifier Preamplifier
sku: 1876420
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$42.29
Shipping from: China
   Description
Features The original 6J9 tube is used and the USB decoding uses PCM2706The main filter capacitor adopts the original imported electrolytic capacitor and the coupling capacitor adopts the imported Weimar capacitor 3 9UFThe resistance uses five ring 1 metal resistance to ensure a good signal to noise ratio of the whole machine PCB adopts a 1 6mm thick double sided board 2 0 oz copper thickness and a full tinning process to ensure the good passing performance of large and small currents First class PCB quality The input and output adopt a gold plated RCA lotus seat which is durable and beautiful This board has reasonable wiring a beautiful appearance and low current noisePower supply DC12V2A direct current Net weight 0 2KGSize length 120 width 74 5 height 34MM 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 Don t directly connect passive speakers speakers earphones as power amplifiers it can t be used in cars because the car s voltage is unstable and it will burn out 2 In general poor audio cables or power supply filters have a very high probability of causing noise at the bottom of the current 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 itself is noisy the preamplifier will only amplify the noise Please use
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