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Acxico

Q: does this circuit have dc blocking caps?

I don't know since I have never seen a schematic for this product. Why not, just assume none were provided and install them external to the board .... just to be safe rather than sorry !

Q: Can this be used with an electret mic?

YES, but only as far as for amplification. You will need to come up with the voltage to be applied to the Mike Element. Might I mention that his board has no easy means of gain adjustment. I think there are other Pre-Amplifier boards that provide the voltage to supply the element. and pads to solder on adjustment resistors to select gain.

Q: What is the input impedance

Impedance is not mentioned, check out the Velleman K-1803 which was my second purchase. mono pre-amp. Works like a champ !

Q: How do I verify operation? I have tried two different boards with two different microphones. I am not getting any output.

my has a heat sink under not all the board work the same waith till i get mine and try to tell a is wirwd

Product ID: 195456583

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🎤Ultra-sensitive pickup

📏Compact size 2.5x1.6cm

🔋3.8V-15V power range

Frequently Bought Together

Acxico 3Pcs AD828 Stereo Dynamic Microphone Preamplifier Board Pickup Module DC 3.8V-15V MIC Preamp Module

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2PCS DC 5V-12V 6V 9V Micro Electret Microphone Amplifier Mini MIC Condenser Microphone Audio Amplifier Board Adjustable Gain 750mW LM386 AMP Module

Description

🎸 Elevate Your Sound Game!

⚡ EASY INTEGRATION - Seamlessly connects with various instruments like guitars and erhus.
🚫 NOISE REDUCTION - Minimizes environmental noise for a pristine audio experience.
🎶 CRYSTAL CLEAR SOUND - Experience unparalleled audio clarity with advanced piezoelectric technology.
🔊 DUAL CHANNEL DESIGN - Versatile two-channel setup for enhanced sound mixing and performance.
🔋 BATTERY POWERED CONVENIENCE - Designed for low voltage, perfect for on-the-go musicians.

The Acxico 3Pcs AD828 Stereo Dynamic Microphone Preamplifier Board is a compact, dual-channel preamp module designed for musicians seeking high-quality sound. Operating within a voltage range of 3.8V to 15V, it utilizes advanced piezoelectric technology to minimize noise and enhance audio clarity, making it ideal for instruments like guitars and erhus.

Have a Question? See What Others Asked

does this circuit have dc blocking caps?

Can this be used with an electret mic?

What is the input impedance

How do I verify operation? I have tried two different boards with two different microphones. I am not getting any output.

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