MachineU > China Products > Electrical Equipment & Supplies > Power Supplies > Switching Power Supply
switching amplifier
switching amplifier
Specifications
Certification :
CE,UL
Description

We are top digital switching amplifier manufacturer and supplier. The DP digital switching amplifier is the first generation digital amplifier. With years of improvement, it becomes the most stable amplifier that can give you continual power without any problem.

Product Description

Digital switching amplifier
Rock-solid, ultrastable output power set record marks in terms of flexibility, efficiency and practical use. Whole amp racks of multiple conventional power amplifiers with switching power supplies may be reduced to a mere one to three LEX Class D Digital amplifiers. Apart from these "hard" benefits, they offer many more advantages such as a strikingly audiophile sound reproduction with very precise, deep lows and a superb resolution of midrange and high frequencies.
The fact that LEX develops and builds amplifiers in top-notch quality is almost self-explanatory. The uncompromising component selection and a circuit design based on criteria of aerospace technology ensure utmost reliability.
Features:
Ø Switch-mode power supply for high performance and compact size
Ø Class D (digital) output for extremely high efficiency because of less current consumption and heat dissipation
Ø Easily handles 2-ohm loads all night long
Ø Variable speed fan for low noise
Ø Balanced XLR audio input / Speakon Speaker output
Ø Switch for mono and stereo
Ø Comprehensive front panel indicators including signal (SIG), clip (CLIP), active (ACT) and, protect (PRO)
Ø Fully protected circuit design including DC, infrasonic, high frequency, thermal overload and short circuit
Ø Clip limiter - prevents severely clipped waveforms from reaching the loudspeakers, whilst maintaining full peak power
Ø DC protection - protects against infrasonic signals
Ø VHF protection - protects the loudspeakers against strong very high frequency non-musical signals above the audible range.
Ø Thermal protection - prevents the amplifier from being overheated
Ø Compact size - only 1 U for reduced rack cost and space
Ø Light weight - only 9 kg for easier racking and shipping (bigger power model)

SPECIFICATIONS

　

STEREO MODE

DP450

DP650

DP800

DP1000

8ohms (RMS/THD 1%)

450Wx2

650Wx2

900Wx2

1100Wx2

4ohms (RMS/THD 1%)

800Wx2

1200Wx2

1500Wx2

1700Wx2

2ohms (MAX)

1600Wx2

2300Wx2

2800Wx2

3400Wx2

BRIDGE MONO MODE

　

　

　

　

8ohms

n/a

n/a

n/a

n/a

4ohms

n/a

n/a

n/a

n/a

　

　

　

　

　

Signal to Noise

>95dB

Input Sensitivity

1.1v

Gain @ 8homs

38dB

Output Circuitry

CLASS D

Distortion

Less than 0.02%

Frequency Response

10Hz-40KHz @ 8ohms ±0.5dB

Damping Factor (@100Hz)

>600

Input Impedance

Balanced 20K/ Unbalanced 10K

Switching Rate

50V/us

High Filter

n/a

Cooling

Variable-speed fan, rear-to-front air flow

Input Connectors, each channel

XLR male & female

Output Connectors, each channel

speakon

Rear Panel Swithches

mono/stereo

Front Panel Controls

Gain Attenuator: 0 to ∞ dB Power On/Off

Front Panel Indicators

Protect (PRO),CLIP (CLIP),Signal (SIG) and Active (Act)

Protection

　

　

　

　

Amplifier Protection

Full short circuit, thermal, infrasonic, ultrasonic,VHF,vol.gain gradually

Load Protection

DC fault power supply,switching power supply under voltage

Infrasonic

-3 dB, 5 Hz

DC fault

Power supply shutdown

Ultrasonic

-3 dB, 85 kHz

Short Circuits

active clip limiting, recover after limiting

Thermal

no output at 95°C, re-work less than 95°C

Over Current

auto limit

PHYSICAL

　

　

　

　

SHIPPING WEIGHT(kgs)

11.5

12.5

SHIPPING SIZE ( WxDxH mm)

504x560x95

565x560x95

Professional amplfier manufacturer and supplier, digital amplifier manufacturer and supplier, audio amplifier manufacturer and supplier,professional audio amplfier manufacturer

Product tags

switch amplifier

,

switching power amplifier

,

power switching amplifier
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Product Detail
Certification :
CE,UL
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switching amplifier

LEX AUDIO LTD

Active Member
9 Years
guangdong, guangzhou
Since 2009
Business Type :
Manufacturer
Main Products :
class d amplifier, audio amplifier, digital amplifier
Total Annual :
$1,000,000-$5,000,000
Employee Number :
50~100
Certification Level :
Active Member
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