$30.13 Buy It Now or Best Offer
free,30-Day Returns
Seller Store ideal_paradis2008
(1688) 98.7%,
Location: China
Ships to: US,
Item: 364917562543
Restocking Fee:No
Return shipping will be paid by:Buyer
All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money Back
Unbranded:Unbranded
Package:Yes
Channels:2 (2.0)
Type:Preamplifier Amplifiers
Preamplifier Amplifiers:Preamplifier Amplifiers
Certification:NONE
Model Number:6K4 tube
Product 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. Product name: tube preamplifier Tube: 6K4/6A2/6J3（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*2.1 Product 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 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 Size: 87*75MM Note: 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. 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 The switch is in the middle to raise a The switch on the far right is the lift two. Note: 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. 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. Package included: 1Pcs 6K4 /6A2Tube Preamp（optional）(without supply power)
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