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DC dual-power supply four-channel NE5532 version disassembled chip driver board
- Working voltage: Dual 12V - 15V DC
- Recommended voltage: 15V x 2, DC
- 2. Transformer power: 5W or above is acceptable.
- 3. Finished board dimensions: 60*50*20M (length*width*height).
- 4. The magnification factor is 4.7 times. The 47K resistor near the operational amplifier can be adjusted to change the magnification factor. The 22K resistor results in a 2.2 times increase, and the 100K resistor leads to a 10 times increase.
- 5. Op-amp model: Texas 5532 (original and brand new) or Big S5532 (disassembled)
- 6. Weight: 50 grams (with an error of within 5 grams).
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DC dual-power supply four-channel NE5532 version disassembled chip driver board
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