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AIYIMA GE 5654W Tube Amplifier Preamplifier Bluetooth 5.0 Bile Pre AMP Vacuum Tube Preamp Upgrade 6J1 6AK5 EF95  For Amplifiers
AIYIMA GE 5654W Tube Amplifier Preamplifier Bluetooth 5.0 Bile Pre AMP Vacuum Tube Preamp Upgrade 6J1 6AK5 EF95  For Amplifiers
AIYIMA GE 5654W Tube Amplifier Preamplifier Bluetooth 5.0 Bile Pre AMP Vacuum Tube Preamp Upgrade 6J1 6AK5 EF95  For Amplifiers
AIYIMA GE 5654W Tube Amplifier Preamplifier Bluetooth 5.0 Bile Pre AMP Vacuum Tube Preamp Upgrade 6J1 6AK5 EF95  For Amplifiers
AIYIMA GE 5654W Tube Amplifier Preamplifier Bluetooth 5.0 Bile Pre AMP Vacuum Tube Preamp Upgrade 6J1 6AK5 EF95  For Amplifiers
AIYIMA GE 5654W Tube Amplifier Preamplifier Bluetooth 5.0 Bile Pre AMP Vacuum Tube Preamp Upgrade 6J1 6AK5 EF95  For Amplifiers
AIYIMA GE 5654W Tube Amplifier Preamplifier Bluetooth 5.0 Bile Pre AMP Vacuum Tube Preamp Upgrade 6J1 6AK5 EF95  For Amplifiers
AIYIMA GE 5654W Tube Amplifier Preamplifier Bluetooth 5.0 Bile Pre AMP Vacuum Tube Preamp Upgrade 6J1 6AK5 EF95  For Amplifiers
AIYIMA GE 5654W Tube Amplifier Preamplifier Bluetooth 5.0 Bile Pre AMP Vacuum Tube Preamp Upgrade 6J1 6AK5 EF95  For Amplifiers
AIYIMA GE 5654W Tube Amplifier Preamplifier Bluetooth 5.0 Bile Pre AMP Vacuum Tube Preamp Upgrade 6J1 6AK5 EF95  For Amplifiers
AIYIMA GE 5654W Tube Amplifier Preamplifier Bluetooth 5.0 Bile Pre AMP Vacuum Tube Preamp Upgrade 6J1 6AK5 EF95  For Amplifiers
AIYIMA GE 5654W Tube Amplifier Preamplifier Bluetooth 5.0 Bile Pre AMP Vacuum Tube Preamp Upgrade 6J1 6AK5 EF95  For Amplifiers

AIYIMA GE 5654W Tube Amplifier Preamplifier Bluetooth 5.0 Bile Pre AMP Vacuum Tube Preamp Upgrade 6J1 6AK5 EF95 For Amplifiers

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Product description:

The product is a preamplifier. It is not audio amplifier.It needs to be connected to an active speaker and rear amplifier.

 

Product parameters:

Power supply: DC12V
 
Audio input: Bluetooth/ AUX (connected to MP3, computer CD, DVD, mobile phone, etc. )
 
Audio output:RCA (connected to amplifier, active speaker and other signal input)
 
Frequency Response:20Hz-20kHz
 
SNR:98dB
 
Control:Potentiometer knob and toggle switch
 
Treble adjustment range:±6dB
 
Bass adjustment range:±10dB
 
Size (L*W*H): 137*104*41MM (without tube height)
 
Tube: 2Pcs GE 5654W
 
With treble and bass adjustment
 
 
Feature:
 
1. Using original GE 5654W tube, Bluetooth 5.0 version(GE 5654W Tube Upgrade 6J1/6*1/EF95/403A/6AK5/403B/CV4010 403A/403B/EF95
 
2. 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.
 
 
Note:
 
1. The product is a preamplifier, not a power amplifier. It should be used with a post-amplifier or an active speaker. It is not allowed to directly connect passive speakers, speakers and earphones to the power amplifier; if it is not used, the car will be burnt if the voltage is unstable.
 
2, The general audio line or power supply filtering is not good, the probability of the bottom noise current is very large, it is recommended to use a good audio cable or power supply.
 
3. Make sure that there is no problem with your own audio source. The preamplifier has its own preamplifier function. If the audio source itself has noise, then the preamplifier will only amplify its noise. Please use a good sound 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.
 

Package included:

1Pcs Tube Amplifier Bile Preamplifier+ 1Pcs DC12V Supply Power

Brand Name:
Aiyima
Certification:
NONE
Origin:
CN(Origin)
Maximum Power Per Channel:
NO POWER
Model Number:
GE 5654W
Package:
No
Channels:
2 (2.0)
Bluetooth version:
Bluetooth 5.0

SHIPPING AND DELIVERY

We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location *Estimated Shipping Time
United States 10-30 Business days
Canada, Europe 10-30 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
Asia 10-20 Business days
Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.

REFUNDS & RETURNS POLICY

Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.

Refunds

Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:

  • If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.
  • If you received the wrong item you can request a refund or a reshipment.
  • If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

We do not issue the refund if:

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of Buying & arriving (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of https://fastedoor.com

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.

Exchanges

If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

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