HiFi Tube Preamp 6A2 Tube Preamplifier Amplifiers Upgraded Bile Buffer Auido Amp Speaker Sound Amplifier for Home Theate
Description This product is a tube pre amplifier and needs to be connected to an active speaker or power amplifier It cannot directly connect speakers and passive speakers headphones phono amplifiers cars Specifications Product name Tube preamplifierTube 6A2 The tube is disassembled Power supply DC12 16V current 1A or more DC12V 1 5A supply power is recommended without supply power Power socket DC3 5 5 5 2 1Product support replace tube 6J1 6J2 6J3 6J4 6J5 6A2 6K4 6K5 6AK5 6AU6 6BA6 6BD6 EF93 6K7 GE5654 etc Pre stage magnification voltage magnification 5 timesPre stage frequency response 5HZ 500KHZPre level sensitivity 3VAudio input low level signal input such as mobile phone CD computer TV MP3 etc Audio output connect to power amplifier or active speakersSize 87 75MMNote 1 The tube preamp is a class A amplification state It is recommended to use shielded wire for the signal wire Common wires may cause leakage or noise 2 The high fidelity lift can be adjusted freely and the three gear adjustment with a wave switch The switch on the far left is Hi Fi Switch in the centre is Boost 1 The switch on the far right is Boost 2 3 If the signal line is not shielded or the power supply is not well filtered noise may be generated It is recommended to use shielded wires and a clean power supply for testing 4 The tube buffer is amplified by about 5 times The pre amp has an amplification function which is connected between the audio source the pre am
