PA System 350W 450W 550W 650W Tube Audio Power Amplifier

China PA System 350W 450W 550W 650W Tube Audio Power Amplifier, Find details and Price about China Tube Amplifier, Power Amplifier from PA System 350W 450W 550W 650W Tube Audio Power Amplifier

Model NO.
OBT-7035, OBT-7045, OBT-7055, OBT-7065
Output Number
4
Voltage
AC 220V
Element Number
Monoamplifier
Conductive Mode
A
Power Supply
AC220V/50Hz
Rated Power
350W,450W,550W,650W
Speaker Outputs
70V, 100V & 4~16ohm
Frequency Response
50Hz~16kHz(+1dB, -3dB )
S/N Ratio
>90dB
Dimensions
484*450*88mm
Material
Black Aluminum Panel, SPCC Cold Rolled Chassis
Trademark
OBT
Transport Package
Box
Specification
CE, CCC, RoHS
Origin
Shenzhen, Gd, China
HS Code
8501310000
Model NO.
OBT-7035, OBT-7045, OBT-7055, OBT-7065
Output Number
4
Voltage
AC 220V
Element Number
Monoamplifier
Conductive Mode
A
Power Supply
AC220V/50Hz
Rated Power
350W,450W,550W,650W
Speaker Outputs
70V, 100V & 4~16ohm
Frequency Response
50Hz~16kHz(+1dB, -3dB )
S/N Ratio
>90dB
Dimensions
484*450*88mm
Material
Black Aluminum Panel, SPCC Cold Rolled Chassis
Trademark
OBT
Transport Package
Box
Specification
CE, CCC, RoHS
Origin
Shenzhen, Gd, China
HS Code
8501310000
Product Description

 

 Public Address 350/450/550/650W Power PA Amplifier


PA System 350W 450W 550W 650W Tube Audio Power AmplifierPA System 350W 450W 550W 650W Tube Audio Power Amplifier

Features of PA system 350W 450W 550W 650W tube audio power amplifier
1. Standard Rack Design (2U),humanized design, sophisticated technology, filling with the high-grade temperament;
2. 4 channels of LINE balanced × LR inputs, 4 channels of LINE balance × LRcascade outputs;
3. Panel with volume control knob;
4. The device has a good short circuit, overheat, overload automatic detect and protect function, the indicator will light to warm, warning buzzer will ring to alarm;
5. 2 kinds of power output modes: constant voltage output 100V, 70V and constant resistance output 4~16Ω.

Technical Parameters of PA system 350W 450W 550W 650W tube audio power amplifier 

Model

OBT-7035

OBT-7045

OBT-7055

OBT-7065

Rated Power Output

350W

450W

550W

650W

Speaker Outputs

70V, 100V & 4~16Ω

Input Sensitivity & Impedance

±385mV/10KΩ, balanced ×LR Input Screw

Output Sensitivity & Impedance

±385mV/10KΩ, balanced ×LR Output Screw

Overload Electromotive Force

>15dB

Frequency Response

50Hz~16KHz(+1dB, -3dB )

S/N Ratio

>90dB

THD
Less than 0.5% at 1KHz, 1/3 rated power

Ground Lift

Lift the earth line ground by switch GND/lift to "lift" position

Cooling

Forced air from front to rear, start built-in fan when radiator temperature reaches 45 degrees

Protection

Over heat, over load & short circuit

Power Supply

AC220V/50Hz

Power Consumption

700W

950W

1200W

1600W

Weight

16Kgs

20Kgs

26Kgs

29Kgs

Dimension

484*450*88mm

Material

Black aluminum panel, SPCC cold rolled chassis
PA System 350W 450W 550W 650W Tube Audio Power Amplifier

Note of PA system 350W 450W 550W 650W tube audio power amplifier

OBT7035 / OBT-7045 / OBT7055 / OBT-7065 is pure post power amplifier, amplifying sound source signal.There is no separated inputs of sound source from microphone, MP3,DVD and TUNNER. If you need the above two different audio source inputs, you need use it with a preamplifier (Model No.: OBT-8020). 
PA System 350W 450W 550W 650W Tube Audio Power Amplifier

Application of Public Address 350/450/550/650W Power PA Amplifier
Power amplifier with single-stage;
To provide amplified signals for regionalPAS, suitable for large and medium-sizedregional PAS.
PA System 350W 450W 550W 650W Tube Audio Power AmplifierPA System 350W 450W 550W 650W Tube Audio Power Amplifier
Our Advantages

Service:
Good Service:
1. Professional sales reply you enquiry in 24Hrs
2. Feedback of complaint in 24Hrs
3. OEM/ODM are welcomed
4. 2 years Warranty

Warranty:
1. All products have been strictly Quality Checked before packing.
2. All products have been well packed before shipping.
3. All products with 2 years warranty.

After Sales Service:
1. We are always online to solve all your request.
2. Any faulty product, we can send replacement to you freely

PA System 350W 450W 550W 650W Tube Audio Power AmplifierPA System 350W 450W 550W 650W Tube Audio Power AmplifierPA System 350W 450W 550W 650W Tube Audio Power AmplifierPA System 350W 450W 550W 650W Tube Audio Power Amplifier