Low Pass Filter Subwoofer Preamplifier LPF Board

₨320.00

Supply voltage: Dual DC Type I: 12V+12V Type II: 25V+25V
Frequency range: 22Hz-300Hz
Audio input: mono or two channels
Audio output: monaural
Board size: Type I: 4.3x5cmm, thickness: 1.6mm
Net weight of the plate Finished: 30g

Delivery & Return

Estimated Delivery Times 1–2 business days within Punjab, and 3–6 business days for other provinces across Pakistan.

Returns must be requested within 3 days of receiving the product. No return or refund will be accepted if the circuit print is damaged or the circuit board is physically broken, burnt, or tampered with in any way

Category: Amplifier Circuit Tags: base pre amplifier, basefilter, lowpass filter, lowpass subwoofer, only base, pre amplifier, subwoofer

Description

1, adjust the selected potentiometer tightly, the inputs and outputs use pure copper terminals, and the wiring is very

convenient.

2, 4558 op amo selected, the soldered IC bracket can still replace the amplifier, and experience different effects to

improve playability.

4, Simple and beautiful board design, reasonable wiring, making the board have a very high signal-to-noise ratio

and strong anti-interference ability. When there is no signal input near the speaker, you can almost hear noise.

Remark:

This board is a preamp board, it cannot be directly connected to the speaker. It must be connected to the next

stage of an amplifier board for this preamp to work.

The so-called low pass filter to filter the human voice map is more than the triple part, the low-frequency part is

amplified to improve bass reproduction efforts, and people will not hear the sound of musical instruments and the high-frequency sound during playback. The buyer should understand knowledge of this area.

Characteristics:

Supply voltage: Dual DC 12V and 25V power supply

Ifier, can not be directly connected to the speaker

The multistage filter, a better bass effect

Adjustable phase

Potentiometer from left to right: bass volume control

The cut-off frequency: is 22HZ-240HZ

BOARD size: Type I: 4.3x5cmm, thickness: 1.6mm

Audio input: mono or two channels

Audio output: Mono (connection with amplifier)

Additional information

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