Amplifier Passive Tone Board Bass Treble Volume Control Pre-amplifier Board Kits
Item Details
Amplifier Passive Tone Board Bass Treble
Volume Control Pre-amplifier Board Kits
 
 
Description:
 
This is DIY Kits, Not assembled board. it contains all electric components, but you need welding its by yourself. thanks.
 
This is a mature classic design, New optimization, FR-41.6MM PCB Material, Each element from both acoustic and aesthetic point of view to consider, Whole board without jumpers, beautiful and practical!
 
When users in the audio recording, the speaker unit and other equipment place is not necessarily perfect, pure pass-through preamp may not be able to meet the requirements, then add the tone adjustment becomes very important, if you have no extra power supply equipment, Passive preamp tone is preferred. It can adjust the treble and bass frequency effect is very obvious, let amplifier and speakers with more reasonably.
 
The board uses high-precision 5 ring resistors and metalized capacitors, sealed potentiometers, so to maximize results.
 
Notice:
 
This product is passive, so no zoom function, because of resistor-capacitor network, output volume will be smaller than the input volume.
 
 
Packing List:
 
1set x Amplifier Passive Tone Board Kits
 
LL04LL05
 
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