NEW PT2399+JRC5532 Karaoke Pre-amplifier Tone amplifier Board

Description

NEW PT2399+JRC5532 Karaoke Pre-amplifier Tone amplifier Board
Product Image:
Product Description:
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
Feedback
Warranty
Shipment
Feedback
We appreciate your feedback very much. As it will motivate us do better. If you have any questions with our goods or service, Please kindly contact us firstly before leaving negative feedback. Thank you in advance
Warranty
1. All merchandise will be carefully test before shipping. We will try our best to avoid any quality problem.
2. We promise warranty for quality in one year and we will repair it free of charge. The returning shipping should be paid by customer.
3. If you are not satisfied with the product, Please contact us. We'll provide you a satisfying solution.
Shipment
1.Normmly we will send the goods within 1-3 working days after your payment is verified .
2.Please check if the goods are in good condition and sign before the delivery man leaves.If you find the product is lost or damaged on the way. Please take photo and let the delivery men confirm it. Then we will help you let the shipping company compensate you.
On Jul-05-21 at 18:13:08 PDT, seller added the following information: