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Description:
100% brand new and high quality!
With reasonable optimization, the performance is more stable, and the performance of the tube is increased by 10%.
This machine uses a single 12V AC input, so you don't have to worry about finding a high voltage power supply.
This board comes with a booster, allowing you to enjoy the charm of high-voltage tubes under low power.
Can effectively filter the digital flavor, the human voice is better.
Bold and strong, cost-effective!
Instructions:
1, AC 12V input: DC3.5/5.5*2.5 mm socket, AC 12V power adapter, if you want to use a plugless AC 12V transformer, you need to solder the power line on the circuit board.
Remember: you can't use DC power input, otherwise it won't work!
2, left channel input / right channel input: for the audio signal input terminal, can be connected to mobile phones, computers, M3, MP4, and other music players.
3. Left channel output/right channel output: It is the audio signal output terminal, which can be connected to the audio signal input end of the power amplifier and power amplifier board to provide bizarre music enjoyment to the later stage power amplifier!
4, power switch / volume knob: turn the knob counterclockwise just start to reduce the volume, when the volume is off to the minimum, if you continue to rotate, until “tick”, then the power is off,
the light is off; in the closed state, Turn the knob clockwise and hear a tick sound. The light is on, indicating that the power has been turned on.
At this time, the volume is the smallest, and then continue to rotate clockwise to increase the volume.
Specification:
Material: plastic, metal
Channel type: 2.0/stereo
Power input: AC AC12V 0.8A / 5.5*2.5 plug
Knob function: power switch / volume adjustment
Size: 77 x 75 x 52MM(approx)
Color: green
Package:
1 pc x Tube preamplifier
Note:
1. Due to the light and screen difference, the item's color may be slightly different from the pictures.
2. Please allow 1-2 cm differences due to manual measurement.
We accept PayPal only. Payment must be received within 7 business days of auction closing. No combine postage discount
We will ship the package within 1 business days after the payment cleared. We ship to Ebay address, and please make sure your ebay address correct before purchase. Delivery time:
We thank you for your understanding on international shipping. We shipped the item quickly but the overseas shipping will be affected by many factors such as Customs processing, Post strike etc.
As the Customs clearance process is different in different countries,if such kind of goods need be collected tariff buyer needs to pay for the tariff. Anyway we will try our best to avoid this kind of thing. We greatly appreciate your POSITIVE feedback. Please do NOT leave negative feedback without asking for help Our aim is to provide Top Level Customer Service, so we will try our best to solve any problem. Please DON’T leave negative or neutral feedback if you haven’t received item in 30 days, because we have mentioned the shipping time repeatedly. We accept return within 30 days since you received your package. Please contact us for return or refund. Our working time:
Monday- Saturday (Greenwich Time 2:30A.M-11:30A.M ) ( Pacific Time:6:30P.M-3:30A.M)
Please only use Ebay message to contact us (my ebay-won items-contact seller)
All messages will be answered within 1 business day. If you do not receive our reply, please kindly re-sent your email and we will reply to you as soon as possible.
If you buy after clicking affiliate links on this site we might receive a commission from companies such as eBay, Amazon etc This does not affect the price you pay.
Click here to buy, and to see similar items on eBay
Category: Sound and Vision:Home Audio and HiFi Separates:Amplifiers and Pre-Amps
Location: Shenzhen