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C1237HA Speaker Protection Delay Starting Board
$6.2500
In stock
SKU
SEN-17-047
Volume discounts:
- +25 4 % $6.0000
- +50 6 % $5.8700
- +100 8 % $5.7500
- +300 10 % $5.6200
- +500 12 % $5.4900
Ships in 2-3 business days, then:
Free delivery in 12-15 days by Tracked Economic Shipping on orders over $100.
Free delivery in 7-10 days by Express Shipping on orders over $300.
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The C1237HA Speaker Protection Delay Start Board is a speaker relay protection module for audio systems. It provides boot delay and DC protection functions to help protect speakers during amplifier start-up and shutdown. The board uses the C1237HA special speaker protection chip and a 5A relay. It is designed with a simple circuit and stable operation. Compatible amplifier models include LM1875, LM3886, and TDA7294. An independent power supply is recommended.
Features of C1237HA Speaker Protection Delay Start Board - 12-18V AC, 5A
- Boot delay function
- DC protection function
- Fast power-off response
- 2-second power-on delay
- C1237HA protection chip
- 5A relay support
- LED status indicator
- Simple circuit design
Specifications of C1237HA Speaker Protection Delay Start Board - 12-18V AC, 5A
- Operating voltage: 12-18V AC
- Current: 5A
- IC chip: C1237HA
- Relay: 12V OMRON G2R-2
- Dimensions: 40x70 mm
- Voltage regulator: 7824
- Resistors: 6 x 0.25W
- Capacitors: 5 capacitors with different values
- Diodes: 2 x 1N4007
- Compatible with LM3886 amplifiers
- Compatible with LM1875 amplifiers
- Compatible with TDA7294 amplifiers
How to Use C1237HA Speaker Protection Delay Start Board - 12-18V AC, 5A
- Connect the board to a 12-18V AC power supply.
- Wire the board into the speaker protection path of the amplifier system.
- Use it with a compatible amplifier model if required.
More Info
- Independent power supply is recommended.
- Suitable for low power amplifier boards.
| Platform | LM1875, LM3886, TDA7294 |
|---|---|
| Interface Type | Analog |
| Operating Voltage (V) | 12–18V AC |
| Dimensions (mm) | 40x70 mm |
| Control Type | Relay (Electromechanical) |
| Channel Count | 2 |
| Switching Capacity | 5A / 250VAC |
| Load Current (A) | 5A |
| Control Signal | Analog |
| Chipset | C1237HA |
| Relay Type | Relay output |
| Display Type | LED |
| Material | PCB |
| Input Type (AC/DC) | AC |
| Accessories | 2 x 1N4007 diodes, 5 capacitors with different values, 6 x 0.25W resistors |
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