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3X(Buffer HiFi 6J5 Bluetooth 4.2 Tube Preamp Amplifier Stereo Preamplifier E5O3 3X(1. Using 6J5 tube, NE5532
2. The main filter capacitor uses the 470UF/25V, and the coupling capacitor uses the imported capacitor 1UF.
3. The resistor uses high-precision chip resistor to ensure a good signal-to-noise ratio of the whole machine.
4. PCB adopts 1.6mm thick double-sided sheet, 2.0 oz copper thickness, and tin-spraying process to ensure good passing performance of large and small currents. First-class PCB quality.
5. The input and output are made of gold-plated RCA lotus seat, which is durable and beautiful! The board layout is reasonable, beautiful, and the current is small.
Basic parameters:
Power supply: DC12V2A ( needs to be regulated by 12V, higher than 12V)
Machine size: about 129* 100* 35MM (without tube height)
Panel function: switch treble adjustment bass adjustment total volume
e:
1. This finished machine is a preamplifier, an amplifier. It should be used with a post-amplifier or an active speaker. It is allowed to directly connect passive speakers, speakers and earphones to the power amplifier; if it is used, the car will be burnt if the voltage is unstable.
2. The probability that the normal audio line or power supply is good enough to cause the noise at the bottom noise is very high. It is recommended to use a good audio cable or power supply.
3. Make sure that there is no problem with your source. The preamplifier itself has a preamplifier function. If the source itself is noisy, then the preamplifier will only amplify its noise. Please use a good source test.
4. Check if the tube is plugged into the base. Please insert the tube and the base. Be sure to insert the tube in case of power failure.
e:
Power supply is included in the package. You need to buy 12V2A power supply by yourself.
Material:Aluminum alloy
colour:black
Package Contents:
1 * 6J5 Tube Preamplifier)
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Category: Sound and Vision:Home Audio and HiFi Separates:Amplifiers and Pre-Amps
Location: Shenzhen