The tuning board adopts a neat layout, the overall size is quite satisfactory, and the components are arranged neatly and uniformly
This module uses two domestic NE5532 dual op amps, adds midrange adjustment to the traditional high and low sounds, and uses high-quality 8P chip sockets, which can easily replace your favorite chips
There is a capacitor array composed of 12 high-frequency and low-resistance ESR capacitors on the power supply side, which effectively reduces power interference and has a good filtering effect The rectifier part uses an excellent rectifier bridge module, not a simple diode
The standard potentiometer spacing is convenient for users to install and use in various cases The potentiometer spacing is standard 24-24-24mm, which is convenient for users to install directly
Specification:
Product name: NE5532 pre-stage tuning board
Supply voltage: Dual power transformer 12V
Module size: 99MM*69MM*19MM (excluding knob protrusions)
Audio input: 3P terminal block
Audio output: 3P terminal block
Adjustment knob: Total volume + treble + midrange + bass
Potentiometer spacing: 24+24+24MM
Weight: 93g
Package included:
1 x pre-stage tuning board