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Product details
Basic instructions Dual 12-25V AC power supply 78157915 regulator on the board DC-powered Basic specifications PCB size 100x53cm Processing technology KB class board high precision CNC machining
Plate thickness and specifications 16mm KB FR4 sheet Change the amp 10K loaded 4K7 100K and not installed 4K7 position short-circuit or load 10 ~ 47 ohm resistor default hair level need to change the amp change resistance self match This circuit uses the English machine music fax A1 front and volume control of the original line easy assembly good impedance matching and volume adjustment advantages In terms of sound performance you can broaden the sound field increase the dynamics and increase the resolution It is also possible to change the sound by replacing different dual opamps according to their preferences Most dual op amps can be used directly Material plastic Color as shown
Package Contents 1pc Music Preamplifier Board
Only the above package content other products are not included Note Light reflection 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
Specifications
Key Features
Basic instructions Dual 12-25V AC power supply 78157915 regulator on the board DC-powered Basic specifications PCB size 100x53cm Processing technology KB class board high precision CNC machining
What’s in the box
1pc Music Preamplifier Board
Specifications
SKU: 91954FD3FG2YSNAFAMZ
Model: Preamplifier Board
Production Country: China
Size (L x W x H cm): 11x6x3
Weight (kg): 0.086
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