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Speaker Protection C1237 User Manual Analog Metric www.analogmetric.com [email protected] Copyright ©2009 All Rights Reserved

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Page 1: Speaker Protection C1237 User Manual - Analog Metricanalogmetric.com/download/Speaker Protection C1237 User Manual.pdf[SPEAKER PROTECTION C1237 USE R MANUAL ] Analog Metric Page 2

Speaker Protection C1237

User Manual Analog Metric

www.analogmetric.com

[email protected]

Copyright ©2009 All Rights Reserved

Page 2: Speaker Protection C1237 User Manual - Analog Metricanalogmetric.com/download/Speaker Protection C1237 User Manual.pdf[SPEAKER PROTECTION C1237 USE R MANUAL ] Analog Metric Page 2

[SPEAKER PROTECTION C1237 USER MANUAL] Analog Metric

www.analogmetric.com

Page 2

Features 1. Use speaker protection IC upC1237. 2. Power on delay protection (2-3 seconds). 3. Disconnection when power off to prevent pop noise. 4. Open protection for both positive (~0.6V DC) and negative (-0.2V DC) offset voltage at output to speaker. 5. Supply voltage 35-48V AC or 15-24V DC. 6. PCB Dimension: 67mm(L) x 50mm(W) ASSEMBLY PROCEDURES

1. Solder the components according to the schematic and BOM. Notice to the direction of the electrolytic capacitors C1, C2, C3, C5 and the diodes D1 and D2.

2. Apply either 35-48V AC or 15-24V DC voltages to P1. Also this voltage is usually come from the main power supply.

3. A click sound will be heard after few seconds (2-3s) when the power supply turn on. 4. J1 is connected to J2.

Page 3: Speaker Protection C1237 User Manual - Analog Metricanalogmetric.com/download/Speaker Protection C1237 User Manual.pdf[SPEAKER PROTECTION C1237 USE R MANUAL ] Analog Metric Page 2

[SPEAKER PROTECTION C1237 USER MANUAL] Analog Metric

www.analogmetric.com

Page 3

5.

If you have any problem in assembly, please contact us by email to [email protected]

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