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UNIVERSAL SPEAKER PROTECTION 2PCB+2RELAYS

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R

ronovar

Banned
Joined 2020
#1
For sale is universal speaker protection that get supply from amplifier PSU, and 1PCB with 1RELAY is enought for STEREO speaker protection.

This protection have the following protections module:

  • turn ON delay
  • AC Power Off (turn speaker off after amplifier power is turned off, so there is no PUFFF in speakers when you turn of amplifier)
  • DC Voltage detection on speaker (to protect expensive speakers)
  • short circuit protection for output amplifier BJT or MOSFETS stage
  • uses high quality relay to maximize sound quality
  • it uses professionally made routed PCB that accept RN60D resistors and custom made inductor
  • it takes supply from different PSU voltage that feeds audio amplifier so few resistors needs to be calculated to satisfty custom amplifier psu working voltage

For sale is last 2 sets (1 set is 1PCB & 1RELAY), and interested please write PM with your country so that i can calculate shipping costs...payment is via paypal.

speaker-protection-schematic.png

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speaker-protection-model1.png

Thanks for your time.
 
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