Replaceable Tone Preamp Board Audio Treble Bass Adjustment Equalizer Preamplifier Tone Control Preamplifier

1. The tuning board uses a good layout, the overall size is satisfactory, and the components are arranged neatly.2. The two NE5532 op amps commonly used in the industry are used, and the effect is good, and the 8P chip socket is used to facilitate the user to replace the op amp chip! It is easy to replace the chip you like!3. There are ten high-frequency and low-resistance ESR capacitors in the power supply capacitor array to reduce power supply interference and good filtering effect! 4.The rectification part uses a rectifier bridge module, not a simple diode!! There is also a white 3P power supply Socket, easy to connect directly to the transformer!5. Standard potentiometer spacing, convenient for users to install and use in various chassis!Name: op amp front-level tuning boardPower supply voltage: power supply 9V-15VPotentiometer spacing: 24+24mmColour:As shownMaterial:ABSSize:95x70mmPackage Contents:1x Amplifier preamplifier boardOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.Chip protection, overvoltage undervoltage overheat DC short circuit detection.

• 1. The tuning board uses a good layout, the overall size is satisfactory, and the components are arranged neatly.
• 2. The two NE5532 op amps commonly used in the industry are used, and the effect is good, and the 8P chip socket is used to facilitate the user to replace the op amp chip! It is easy to replace the chip you like!
• 3. There are ten high-frequency and low-resistance ESR capacitors in the power supply capacitor array to reduce power supply interference and good filtering effect!
• 4.The rectification part uses a rectifier bridge module, not a simple diode!! There is also a white 3P power supply Socket, easy to connect directly to the transformer!
• 5. Standard potentiometer spacing, convenient for users to install and use in various chassis!
• In the event of an overload, the device reports the fault to the processor, thus avoiding damage to itself.