Lepy LP-2020A Hi-Fi Digital Amplifier Operational Manual
- June 4, 2024
- LEPY
Table of Contents
Lepy LP-2020A Hi-Fi Digital Amplifier
SPECIFICATION
- INPUT POWER DC12-13.5V>3A
- OUTPUT POWER 20W x 2 RMS
- SPEAKER IMPEDANCE 4-80 OHMS
- FREQUENCY RESPONSE 20Hz-20kHz
- TOTAL HARMONIC DISTORTION <0.4%
- SNR >80dB
- INPUT SENSITIVITY 200mV
- INPUT IMPEDANCE 47k Ohm
PACKAGE CONTENT
- 1x LP-2020A Digital Amplifier
- 1x User Manual
- 1x Power Supply
OVERVIEW
The Lepy LP-2020Auses the Class-D Lepy LP 2020 Audio Amplifier 1C for low
distortion, acoustically accurate reproduction of music. ldeal for both home
and car audio applications. Tone/Direct switching allows for customized
listening via separate Bass and Treble adjustments or original audio source
signal can be passed through without enhancement.
Built-in loudspeaker protection circuit triggers when theamplifier is turned
on to protect speakers from high volume bursts of audio. Over-voltage
protection circuit shuts down amplifier should input voltage exceed 14.4 Volts
DC. State of the art design using surface mount components and advanced
engineering for proven performance, reduced signal interference, and long
operational life.
FRONT AND BACK PANEL
PRODUCT DESCRIPTION
- ALUMINUM ENCLOSURE: Light weight, sturdy and stylish high-end appearance Built-in loudspeaker protection circuit triggers when the amplifier is turned on to protect speakers from high volume bursts of audio
- POWER MONITORING PROTECTION CIRCUIT: Output will be cut off when input voltage exceed 14.4 Volts DC or overheat etc
- REDUCED SIGNAL INTERFERENCE AND OFFER LONG OPERATION LIFE : State of the art design using surface mount components and advanced engineering for proven performance
- COST EFFECTIVE: Low price and high performance, great for projects and DIY audio applications Product
FEATURES
- Lepy LP2020 amplifier chip provides efficient, powerful sound
- Multiple audio inputs
- Lightweight and sturdy aluminum enclosure
- Compact size
- Convenient speaker output spring terminals
- UNIQUE APPEARANCE – All aluminum front-panel by precise CNC machining, all aluminum cover with sand blasting treatment, innovative circle-type power light.
- State of the art design using surface mount components and advanced engineering for proven performance, reduced signal interference, and long operational life.
- APPLICATION – Be suitable for ipad, cellphone, MP3 player, CD player, data play, computer, decoder, etc.
Frequently Asked Questions
What are Class D amplifiers used for?****
A “switching power amplifier” is another name for a class D amplifier. Pulse width modulation, which turns the input signal into a stream of pulses, is how Class D amplifiers operate.
How much power does a Class D amp use?****
This indicates that a Class D amplifier needs wiring that can withstand a draw of 133.33 watts from the power source (battery, alternator) in order for it to produce 100 watts RMS of power.
Is Class D amplification any good?****
Class-D amplifiers are a fantastic choice for any audio project where size and power efficiency—think battery life—are vital, as you might assume. As a result, class-D amplifiers are frequently used in Bluetooth speakers.
How long do HiFi amps last?****
Hi-fi systems should live much longer, roughly 10 to 20 years, or at least the speakers, turntable, and amplifier elements of those systems.
Do Class D amps get hot?****
Class D CAN become hot but shouldn’t with good design. A 1000 watt class D amplifier will dissipate roughly 25 watts based on an average power of 1/4 (1/8 is suitable for PA but not bass), assuming a 90% overall efficiency. So the outside of the chassis shouldn’t become particularly warm.
Do Class D amps use less power?****
The class-d amplifier uses less power than other amplifiers like class A, class b, and class AB.
What is the disadvantage of Class D amplifier?****
The potential near ground will fluctuate throughout the initial connection and ultimate shutdown of the power transistor of the Class D power amplifier, which will amplify the noise. For some reason, Class D power amplifier speakers could appear distorted.
Should I leave my class D amp on all the time?****
To be clear, I recently questioned Cyrus about if doing this for the Cyrus ONE HD was okay (a class D amp). They replied, “The device should be turned off while not in use. Additionally, leaving it on constantly will cause the linear power supply to work constantly and age more quickly.
How long do digital amps last?****
The likelihood that your amp will sound as good as new is high if you change them every 10 or 20 years.
Why a Class D amplifier is called as switching amplifier?****
due to the binary transition. An electronic amplifier known as a class D amplifier, also known as a switching amplifier, operates with all power components acting as binary switches.
How do you calculate the power of a Class D amplifier?****
The highest average output power for a Class-D amplifier with an undistorted sinusoidal output is equal to the peak power divided by 2. The RMS voltage for an undistorted sinusoidal output is equal to the peak voltage divided by the square root of 2.
How do I stop my amp from overheating?****
A ventilation addition near your amplifier is a good place to start. Place the amp somewhere else if the current location is a problem. If it can be ventilated but there is still a problem with overheating, you can attach a cooling fan to help the air flow.
What is class D amplifier circuit?****
A class-D amplifier, sometimes known as a switching amplifier, is an electrical amplifier in which the amplifying components (transistors, most commonly MOSFETs), rather than acting as linear gain components as in other amplifiers, operate as electronic switches.
Do Class D amps have crossover distortion?****
Crossover distortion is one issue with the filterless class-D amplifier. To prevent this, the amplifier must be made to emit very narrow, alternately positive and negative pulses in the absence of an input signal via the FET control logic.