AIYIMA Audio Tube Preamplifier Bluetooth 5.0 HiFi Treble Bass Adjustment DC12V

October 12, 2020 - Comment

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AIYIMA Audio Tube Preamplifier Bluetooth 5.0 HiFi Treble Bass Adjustment DC12V This is a Bluetooth preamplifier, not a power amplifier, it should be used with a post-amplifier or an active speaker. And it is not a phono preamp and can’t work with a turntable. 1. Using original 6J1 Tube, Bluetooth 5.0 version2. The main filter capacitor is imported from 1000UF/25V, and the coupling capacitor is imported with 1UF Philips capacitor.3. The resistor uses a five-ring 1% metal resistor to ensure a good signal-to-noise ratio.4. The PCB adopts 1.6mm thick double-sided sheet, 2.0 oz copper thickness, and the whole process of tin-spraying ensures the good passing performance of the current. First-class PCB quality.5. The output is made of gold-plated RCA lotus seat, which is durable and beautiful!6. The board layout is reasonable, beautiful, and the current is small.7. This is a tube preamp. No op amp chip, No sound amplification, But the human voice is very good, Sound mellow, voice permeability, superior sound. Bluetooth Connection:Turn on our 6J1 tube preamplifier and search for our Bluetooth connect the preamplifier Bluetooth Connect distance:32 Feet Bluetooth Transmission Distance Tips: Some customers may find the Bluetooth can’t be connected or found. Here is the solution: 1. Power off the Preamplifier and your device. 2. Wait for 5-10s and then power on both. Parameters: Power supply: DC12V (With power supply) Audio input: Bluetooth/ AUX input (can connected to MP3, computer CD, DVD, mobile phone, etc. ) Audio output: RCA (connected to rear amplifier, active speaker) Frequency Response: 20Hz-20kHz SNR: 98dB With treble and bass adjustment Control:Potentiometer knob and toggle switch Treble adjustment range: ±6dB Bass adjustment range: ±10dB Size (L*W*H): 137*120*35MM (without tube height) Color: Black with Bluetooth 5.0/ Silver with Bluetooth 5.0 Using classical tube 6j1 design and optimize the route,Bluetooth 5.0 Tube preamp((Note:Cannot be used on a record player and phonographs)) Tube can be replaced design, soft voice. With treble and bass adjustment The power circuit is completely separate from the audio circuit, in order to Minimize interference AUX / Bluetooth Audio input, DC12V/1A power supply (Can’t beyond 12V,Otherwise it will burn out the diode, When you use it in the car, Pls pay attention to that connect use it after your finished ignition. Because when the car starts to fire, the power will reach 13.5V). All aluminum alloy shell, heavy gold PCB, Control ways:Potentiometer knob and Toggle the switch The product is a preamplifier. It is not audio amplifier. It needs to be connected to an active speaker and a rear amplifier This item can be shipped worldwide. We cannot combine shipping, and there is no local pick up. We cannot ship to PO Boxes or APO’s. Please make sure your mailing and shipping address is correct before sending payment. Thank you. We are a clearinghouse for major retailers. Some items will be shipped directly from our suppliers. In the unlikely event that the item is sold out or on back order, we will refund 100% of your money immediately. We leave feedback upon successfully completion of a transaction. Please take a moment to leave positive feedback so we will know that you have received your item and that everything is OK. We appreciate your positive feedback very much and will return the favor by also leaving positive feedback for you. If we have not met your expectations, please allow us the opportunity to make it right before leaving neutral or negative feedback. We will make sure to resolve your issue quickly. We want every customer to be 100% satisfied. Thank you so much. We offer a 30 days return policy on this AIYIMA Audio Tube Preamplifier.

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