Description
xThe new version on 2014-6 5th. Before many comments, the old board must be replaced by Japanese Omron. So the new version is all standard with Japanese Omron relays by default. The layout is better than the previous version and the installation area is smaller.
Precautions for use, using independent windings to power the protection circuit, so that the closed-loop power loop can be used, otherwise the speaker ground and the signal ground will be mixed together, resulting in interference and AC sound, especially some customers' diagrams to facilitate the use of the front-stage power supply and protection circuit. It is easy to generate AC students. If you do not understand the situation, you will be misled by random evaluation, saying that you must change it to meet the signal to noise ratio.
High sensitivity, low contact internal resistance, can ensure the use of 200WX2 (2-8) ohms two-channel power amplifier, can also be parallel touchpoint, used in 400W power amplifier
By the way, regarding the installation of protection for the 1969 power amplifier, the 1969 power amplifier has a large capacitor output. It has a charging and discharging process. Normally, the board closes with a delay of 3-4 seconds. 1969 requires more than 1 minute, but this is very simple. The 1969 output terminal can be closed in a few seconds with 1K resistor discharge, and other power amplifiers do not need to be changed
The lifespan of Omron is also several times that of domestic electrical appliances.
Features:
1 UPC1237 as the core device, with power-on delay, DC protection, power-off impact prevention and other functions
2 Using a fully sealed high current relay as the core device is not afraid of touchpoint ignition and oxidation
3 Use 7812 as voltage regulator, wide power supply range, up to any range from AC12V to AC24V
4 lines are simple and reliable. Easy to make, no debugging
5 Size: 85x33mm. High-grade double-sided fiberboard, small size, easy installation
6 Weight: About 40
* Disclaimer: Due to the cycle changes of electronic components and the continuous improvement of products, we reserve the right to modify and upgrade the appearance circuit of our products without prior notice.
Product pictures, videos, text and other related descriptions are all made by a certain period and are for reference only. If there is any change without notice, the specifics are mainly based on receipt of the actual product!
Additional Information
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Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
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