Upgraded 6A2 Tube Preamplifier Amplifiers HiFi Preamp Bile Buffer Audio Amp Speaker Sound Amplifier Home Theater DIY ,Multiple inputs

<p>Product description:</p><p>This product is a tube pre-amplifier and needs to be connected to an active speaker or power amplifier.</p><p>It cannot directly connect speakers and passive speakers, headphones, phono amplifiers, cars.</p><p>Product name: tube preamplifier</p><p>Tube: 6A2(The tube is disassembled)</p><p>Power supply: DC12-16V, current 1A or more (DC12V 1.5A supply power is recommended)(without supply power)</p><p>Power socket: DC3.5/5.5*2.1</p><p>Product support replace tube: 6J1 6J2 6J3 6J4 6J5 6A2 6K4 6K5 6AK5 6AU6 6BA6 6BD6 EF93 6K7 GE5654 etc.</p><p></p><p>Size: 87*75MM</p><p>Note:</p><p>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.</p><p>The high-fidelity lift can be adjusted freely, and the three-gear adjustment with a wave switch.</p><p>The switch on the far left is "Hi-Fi."</p><p>Switch in the centre is "Boost 1".</p><p>The switch on the far right is "Boost 2."</p><p></p><p>Note:</p><p>1. 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.</p><p>2. 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-amp and the power amplifier. The noise from the audio source is amplified, so please use a good audio source to test.</p><p>Package included:</p><p>1Pcs 6A2Tube Preamp(optional)(without supply power)</p><p>Related Products:sound amplifier,amplifier,bluetooth amplifier,amplifier home audio,mini amp,stereo amplifier,bluetooth amplifier for speakers,audio amplifier,2 channel amp,4 channel amp</p>

• Pre-stage magnification: voltage magnification 5 times
• Pre-stage frequency response: 5HZ-500KHZ
• Pre-level sensitivity: 3V
• Audio input: low-level signal input such as mobile phone, CD, computer, TV, MP3, etc.
• Audio output: connect to power amplifier or active speakers