PT2399+JRC5532 Karaoke Pre-amplifier Tone amplifier Board

Description

PT2399+JRC5532 Karaoke Pre-amplifier Tone amplifier Board
Descriptions:
Note:
1. Reverberation depth and time is not the longer and deeper the better,just adjust it to the most natural point,
the delay is too long will affect the signal to noise ratio.
2. Try to use the ground, such as with a simple metal box shielding ground to get the best signal to noise ratio.
The boot sequence is first to open the Karaoke machine and then open the ampli
fi
er, this is the most basic common sense, all brand are the same, do not avoid the impact of the boot.
With a good microphone is absolutely quiet, inexpensive microphone itself is not shielded, low signal to
noise ratio.
Input voltage: DC 8-16V, 5.5 x 2.1mm
Exclusive use stepless technology, the reverberation time is adjustable, to achieve professional results of KTV. And the use of natural sound reduction circuit.
Using automatic microphone mute circuit, when the microphone is not inserted, then put part of the circuit is
completely isolated, does not affect the music playback, better background.
Extensive use of 1% ofthe patch, real neat importing resistive and capacitive components and production technology
The op amp double precision JRC5532,much better than other similar products used in many NE5532 Core PT2399, good analytical, natural sound and delicate, the board is also provided with an exclusive reverberation time adjustment.
All of Taiwan seal double potentiometer in parallel. Long life several times
Without the use of karaoke,it is also a superior performance of the previous stage, with gold-plated input and
output terminals easy to use
Board size: 140 X 66mm
Package included:
1x PT2399 Karaoke Reverberation Board
Payment
Shipping
Refund
Payment
We only accept payment through Paypal.
Items will go to post within 1-2 business days after payment confirmed.
Shipping
1. We ship to Worldwide.
2. We only ship to confirmed PAYPAL address; your PAYPAL address must match your Shipping address.
3. Any non-received items caused by invalid address registered on PayPal are not in our full refund or replacement policy. Shipping fee has including the local handing and packaging fee.
4. All the items will be shipping within 1-2 working days after receiving the payment, except some holidays.
5. We will not be responsible for any custom delay or tax, because transit time is highly depended and provided by postal Service.
6. If you have any problem, please contact us via message, we will reply message within 1-2 working days, please wait for patient.
Refund
If you can't receive the product within 2 months (60 days), please contact with us,we promise to payback 100% of your money.
We ensure our products work normally before post.If the products is broken before arrival to you,all you should do is taking a photo to show us our broken product.We promise to payback 100% of your money.
If the item is defect when you receive it or you are not satisfied with it, please return it within 14 days for a replacement or money back. But the items must be back in factory condition. Please contact us and double check the return address before you return it.
If is item is defective in 12 months, you can return it to us. We will send you a new replacement after receiving the defective item.
On Jul-06-21 at 06:07:12 PDT, seller added the following information: