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1X(Preamplifier Electronic Three-Way Board Rayleigh Crossover 3 Dividers Po U4K9 1X(Compatible Audio & Video Equipment Style: Stage Equipment,Amplifier,Digital-to-Analog Converter (DAC),Professional Audio Equipment
Class A power supply pre-level electronic three-way board circuit
This crossover board refers to the design of the United States ESP company, set to a stereo 6-channel output structure, input stereo left and right channel signals, output 6 channel signals, divided into left treble, left bass and right treble, right bass, left midrange , right midrange, can directly drive the 6-channel power amplifier circuit.
Highlights of this crossover board:
Excellent crossover circuit
Crossover frequency no peaks and no valleys
Easy setting of crossover points
Independent adjustment of 6 channel output
Designed with fever level
Perfect reproduction of original sound colors
The best class A power supply for power supply sampling of the op amp is far more delicate than the LM317 337 78XX series power supplies. The circuit comes with 4x gain amplification before the stage.
The main technical parameters:
Filter type: Linkwitz-Riley filter
Crossover point: 310HZ/3.1KHZ (ie, 20HZ-310HZ is the bass output 310-3.1KHZ is the midrange output 3100-20KHZ is the high pitch output) The crossover point can be customized to other frequencies (free customized) Different speakers best points The frequency is not the same, can give me frequency points, I can help you calculate the parameters of the circuit and then release
attenuation slope: -24dB/Oct
plate structure: 6-channel output, treble, bass, midrange
op amp chip: original imported JRC’s double precision NE5532 (of course, according to customer needs to replace other op amps such as: OPA2604AU OP275G TL072, etc.)
AC transformer power supply range double 14 to double 19V
connector: audio input / frequency output — 2 gilded l)
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Category: Musical Instruments:Pro Audio Equipment:Parts and Accessories
Location: Hong Kong