FAQ

Limitador de saída do amplificador digital DSP - dados Volt RMS-THRf

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: 2024-03-11 11:31:05

D-Series(DSP) is an outstanding value in any smaller to medium-sized sound system where an efficient,
compact and good sounding amplifier is expected to work reliably over a long period.
This series of power amplifiers uses active power factor correction technology,
which can be used worldwide, and minimizes interference to the power grid and improves energy efficiency.

Stable working performance at 2 ohms and automatic voltage of Class D amplifiers contribute to their wide use in almost every country.Looks small body but very powerful.
To be mentioned, D4- 3000(DSP) is a high-power amplifier for line array speakers while D2-4200(DSP) shows great perfromance when working with subwoofer in outdoor events.

The Limiter is important for the stability of sound system.D series DSP amplifier uses an ALLDSP system from Germany. It can adjust the Limter form software control. How to set the Limiter on D series DSP?

1.Connect the computer with the amplifier.

2.Turn on the software.

3.Enter the password:Develo_p

4.Adjust Out 1-THR

(Now the Units of THR is change to "Vrms")

5.Then refer to the reference table to find the parameters you need

DSP Digital Amplifieir Output Limiter - Volt RMS- THR data
DSP D4-2000 Limiter		Proposed value	Proposed value
No.	THR	8ohms Power	4ohms Power
1)	1.5V rms	2000W	3600W
2)	1.4V rms	1800W	3300W
3)	1.3V rms	1500W	2850W
4)	1.2V rms	1300W	2450W
5)	1.1V rms	1100W	2050W
6)	1.0V rms	900W	1700W
7)	0.9V rms	750W	1350W
8)	0.8V rms	600W	1100W
9)	0.7V rms	450W	800W
10)	0.6V rms	300W	600W
11)	0.5V rms	200W	400W

DSP D4-3000 Limiter		Proposed value	Proposed value
No.	THR	8ohms Power	4ohms Power
1)	1.7V rms	3000W	5000W
2)	1.6V rms	2850W	4900W
3)	1.5V rms	2500W	4350W
4)	1.4V rms	2200W	3800W
5)	1.3V rms	1900W	3250W
6)	1.2V rms	1600W	2750W
7)	1.1V rms	1350W	2350W
8)	1.0V rms	1100W	1900W
9)	0.9V rms	900W	1550W
10)	0.8V rms	700W	1250W
11)	0.7V rms	550W	950W
12)	0.6V rms	400W	700W
13)	0.5V rms	300W	500W

DSP D4-1500 Limiter		Proposed value	Proposed value
No.	THR	8ohms Power	4ohms Power
1)	1.0V rms	1600W	2900W
2)	0.9V rms	1300W	2500W
3)	0.8V rms	1000W	2000W
4)	0.7V rms	800W	1500W
5)	0.6V rms	600W	1100W
6)	0.5V rms	400W	800W

DSP D4-1300 Limiter		Proposed value	Proposed value
No.	THR	8ohms Power	4ohms Power
1)	0.9V rms	1300W	2400W
2)	0.8V rms	1000W	1950W
3)	0.7V rms	800W	1500W
4)	0.6V rms	600W	1100W
5)	0.5V rms	400W	750W

DSP D2-4200 Limiter		Proposed value	Proposed value
No.	THR	8ohms Power	4ohms Power
1)	2.0V rms	4200W	7800W
1)	1.9V rms	3750W	7600W
1)	1.8V rms	3350W	6800W
1)	1.7V rms	3000W	6100W
2)	1.6V rms	2650W	5400W
3)	1.5V rms	2300W	4700W
4)	1.4V rms	2000W	4100W
5)	1.3V rms	1750W	3500W
6)	1.2V rms	1500W	3000W
7)	1.1V rms	1250W	2500W
8)	1.0V rms	1050W	2100W
9)	0.9V rms	850W	1700W
10)	0.8V rms	650W	1350W
11)	0.7V rms	500W	1000W
12)	0.6V rms	400W	750W
13)	0.5V rms	300W	550W

DSP D2-3500 Limiter		Proposed value	Proposed value
No.	THR	8ohms Power	4ohms Power
1)	1.8V rms	3500W	6500W
1)	1.7V rms	3450W	6400W
1)	1.6V rms	3000W	5800W
1)	1.5V rms	2650W	5100W
2)	1.4V rms	2300W	4400W
3)	1.3V rms	2000W	3800W
4)	1.2V rms	1700W	3250W
5)	1.1V rms	1450W	2700W
6)	1.0V rms	1200W	2250W
7)	0.9V rms	950W	1850W
8)	0.8V rms	750W	1450W
9)	0.7V rms	600W	1100W
10)	0.6V rms	400W	800W
11)	0.5V rms	300W	550W

DSP D2-3000 Limiter		Proposed value	Proposed value
No.	THR	8ohms Power	4ohms Power
1)	1.7V rms	3000W	5100W
1)	1.6V rms	2900W	4900W
1)	1.5V rms	2550W	4500W
1)	1.4V rms	2200W	4000W
2)	1.3V rms	1900W	3400W
3)	1.2V rms	1600W	3000W
4)	1.1V rms	1350W	2450W
5)	1.0V rms	1100W	2000W
6)	0.9V rms	900W	1650W
7)	0.8V rms	700W	1300W
8)	0.7V rms	550W	1000W
9)	0.6V rms	400W	700W
10)	0.5V rms	300W	500W

Remind:
During adjust the limiter value of the DSP， when the yellow indicator light of the power amplifier does not light up, then the value is correct.

For example, 4*3000W is adjusted below 1.32V

Limiter is one of the protection measures of the power amplifier.
When the input voltage of the power amplifier exceeds the input sensitivity voltage,
the input signal is limited.This prevents the power amplifier from clipping distortion due to excessive input voltage.

Video demonstration of DSP Digital Amplifier Output Limiter-Volt RNS-THR data.

RELATED PRODUCT:

D4-1300 DSP Compact Muti-funtional Line Array Class D Power Amplifier

D4-2000 DSP 4 Channel Digital D Amp Professional Audio Amplifier

D4-3000 DSP Sound Audio 2 ohms stable High Power Digital Amplifier

D2-3000 DSP Stereo High Quality High Power Digital Amplifier

D2-3500 DSP Pro High Power Professional Class D Amp Amplifier

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