LAYVIKAY Professional Power Amplifier User Manual

LAYVIKAY Professional Power Amplifier

Product Information

LAYVIKAY Professional Power Amplifier

Website: www.layvikay.com

Contents:

1. Safety Instructions
2. Warning
3. Various Knob Controls and Functions (Front Panel)
4. Various Knob Controls and Functions (Back Panel)
5. Technical Parameters

Product Features:

• This series of power amplifiers is designed for long-term continuous use at full power, ensuring stability.
• The PCB board uses double-sided wiring through-hole technology to reduce false welding of internal components during transportation and overcurrent damage.
• The circuit layout is designed by computer simulation, resulting in over 110dB SNR (signal-to-oise ratio) for high-quality sound.
• The amplifier has high efficiency with a high power type, suitable for touring sound applications.
• The damping factor of this series of products can be up to 400 or more, providing strong and elastic sound.

Product Usage Instructions

Safety Instructions:

1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with a dry cloth.
7. Do not block any ventilation openings.
8. Do not install near any heat sources such as radiators, heat registers, stoves.
9. Do not defeat the safety purpose of the polarized or grounding-type plug.
10. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.

Warning: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE.

Instructions on Safe Operations:
Installation:

1. Connect the power amplifier to a suitable power source.
2. Ensure proper ventilation around the amplifier and do not block any ventilation openings.

Operation:

1. Turn on the power using the POWER ON/OFF button on the front panel.
2. The Power Indicator will blink repeatedly for 3-5 seconds to provide protection. If the amplifier is inspecting or there are any problems, no sound will be output to the speakers. Once the inspection is complete or the problems are resolved, the indicator light will be fully lit, indicating normal operation.
3. Adjust the INPUT ATTENUATORS to control the input level.
4. Monitor the SIGNAL LEDS to ensure proper signal levels.
5. Pay attention to the CLIP LED to avoid signal clipping and distortion.

Connecting the needle socket Division:
XLR-type connecting socket should be wired as follows:

• Pin 1: Ground
• Pin 2: Hot (+)
• Pin 3: Cold (-)

Note : Although this equipment has complete protection for short-circuit and overload, try to avoid short circuit and overload for output to ensure long-term normal operation.

This series of power amplifiers features

This series adopts a special circuit design, focusing on product stability under conditions of long-term continuous use at full power. The PCB board uses double-sided wiring through-hole technology, which can reduce false welding of internal components during transportation and overcurrent to damage products by working on full power for a long time the circuit layout designed by the computer simulation system can allows the amplifier have over 110dB SNR, to meet the requirement on touring sound applications, it has high efficiency with high power type. The damping factor of This series of products can be up to 400 or more, the sound is strong and elastic. High powerful, extremely strong driving ability. Adopt an optimized cooling system and high-quality cooling fan to ensure stability for a long-time working at high power. The fan can speed up automatically by variations of temperature in the machine, (when connected with the load impedance is too low or the temperature is too high, the machine will automatically adjust the power supply to reduce the internal resistance. This function is only used on 5 + or above.), can improve the sound quality and protect the machine effectively, and highly improved reliability. Low distortion, high slew rate, more perfect sound quality, and higher resolution. Dual-channel can be bridged and connected. The fan can speed up automatically by variations of temperature in the machine. Start-up delay, overload, short circuit, overtemperature, load short-circuit protection. Limiting control. Independent input control.

Explanation of Graphical Symbols

IMPORTANT SAFETY INSTRUCTIONS

1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with a dry cloth.
7. Do not block any ventilation openings.
8. Do not install near any heat sources such as radiators, heat registers, or stoves.
9. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades wne wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong is provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for the replacement of the obsolete outlet.

WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE.

The lightning flash symbol means dangerous live terminals. Only qualified operators can connect this terminal to an extension cord, or use a special lead or wire that can connect safely Mark: Please turn off the power when connecting this terminal.

Instructions on Safe Operations

Install:

• The device can only be inserted in the AC power supply socket of the specification or the specification of the specification on the instructions of the user manual.

Otherwise, it may cause a fire or an electric shock.

• Pls don’t scratch, bend, twist, pull, or heat the power cord, or may damage the power cord, and lead to fire or electric shock.
• Pls don’t open the device cover or may result in an electric shock. If you think there needs any internal inspection, maintenance, or repair, please contact your dealer.
• The device has a ventilation hole on the front and back, to avoid the internal temperature rising too high. Do not block the ventilation holes.

Blocked ventilation holes may cause a fire.

Operation:

• When connecting the device, pls turn off all musical instruments, audio equipment, and speakers, pls use the correct cable, and connect the device as per instructions.
  For the supply voltage, please see the label on the back of the machine.

Connecting the needle socket Division:

XLR type connecting socket should be wired as follows.

Note : Although this equipment has complete protection for short circuits and overload, to ensure long-term normal operation, pls try to avoid short circuits and overload for output.

Front Panel

1. POWER ON/OFF
2. Power Indicator
   • When the power is turned on, the indicator will blink repeatedly in 3-5 seconds in order to provide protection.
   • The device can’t output any sound from the speakers means the amplifier is automatically inspection before starting up. After the start or problems were excluded, and the light is fully lit, it will be return to normal operation.
3. SIGNAL LEDS
4. INPUT ATTENUATORS
5. CLIP LED

Remarks: When power is turned on initially , the fan will not start or in low speed, but when the heat sink temperature exceeds 45°C, it will start or speed up automatically. When the temperature changes, the fan speed will be automatically adjusted accordingly.

Back Panel

• INPUT jack (Channel A, B), each channel is equipped with two kinds of jacks. Please note that when using BRIDGE or MONO mode, Channel A socket is valid.
• STEREO / MONO / BRIDGE
  • STEREO mode, Channels A and B operate independently (same as old stereo amplifier). Input signal of channel A output through jacks of Channel A, Channel B input signal through the channel B output jacks.
  • MONO mode, input signal of Channel A through the Channel A and Channel B output jacks. Channel B input jack does not work. Volume of Channel A and B can be adjusted independently.
  • BRIDGE mode, input signal of channel A output from BRIDGE output jacks. To adjust the volume, you must use channel A volume control knob.
• PASS / LPF
  • LPF mode does not apply any filtering mode. PASS apply a low-pass filter, the range is 20Hz-180Hz. (Note: This feature is limited to 5 + and 5 + and above)
• 0.775V / 1V / 1.5V. (Optional of switch for input level)
• GROUND / LIFT
  • This switch is used to select whether the ground circuit and cover connected, in the audio system of many devices, if you always have problems with hum or noise, pls use this terminal to ground or left floating.
• CHB). 7) (BRIDGE). 8) (CHA). 9) (CHA / CHB / BRIDGE). Speaker output interface and anti-touch terminals.
• AC ~ power cord with plug.
• PESET restorable protector for current overload

Technical parameters

Pro Power Amplifier| 3U| 3U| 3U| 3U| 3U|
---|---|---|---|---|---|---
RATED| Stereo poewr (8ohm)| 800WX2| 900X2| 1000X2| 1100×2| 1200×2|
OUTPUT|
Stereo poewr (4ohm)| 1200WX2| 1300X2| 1400X2| 1500×2| 1800×2|
POWER

@1kHz,THD=0.5

| Bridge (8ohm)| 2400W| 2600W| 2800W| 3600W| 4800W|
%| | | | | | |
Input Socket：                 （XLR Male）/（XLR Female）|
Output Socket：                 NEUTRIK(NL4.+1.-1)/ Anti-touch terminals|
Frequencyresponse:                                     20Hz-20kHz@(0/-0.25dB)|
T.H.D:                                                           ＜0.05%@1kHz, 10%Rated Power|
IMD ＜0.1%@60Hz/7kHz, 10%Rated Power|
Damping Factor ：                   〉400:1@1kHz,8ohms|
CrossTalk:                                                   =80dB|
Signal NoiseRatio:                                     ＞110dB(A)|
Switching rate ：                          ＞60V/us|
Input impedance:                                10kΩ（unbalanced inputs ）/20kΩ(balanced inputs）|
Input Sensitivity:                                     0.775V /1V /1.5V|
Workng Temperature：    Workng Temperature -10℃~40℃ Storage temperature-30℃ ~85℃|
Environment temperature ：           =90%|
Voltage：                          See label at the back of device|
Size(mm)| 482(W)X492(D)X132.5(H)mm|
Weight| 28kg           29kg               30kg           31kg           33kg|
MainPower

Supply

| AC/220V-240V,AC110V    50Hz-60Hz|

Correct Operation Instructions

Function of connection pins

XLR-type connectors should be wired as follows:

• Pin 1: Ground
• Pin2: Hot (+).
• Pin3: Cold (-)

Speaker impedance

STEREO and MONO connection mode

• When using the anti-touch output jacks
• Use the lowest impedance 4Ω When using the Speakon connector socket
• Use the lowest impedance 4Ω

BRIDGE connection mode

• When using the anti-touch output jacks
• Use the lowest impedance 8Ω When using the Speakon connector socket
• Use the lowest impedance 8Ω

Remark : Product updates constantly, when the appearance and parameter change, please refer to the updated samples without notice.

References

• LED lighting&Audio equipment | professional manufacturer

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