Quantum Pro Audio

UK and Ireland Distributor for Chevin Research Amplifiers




A Series models rated into minimum 2Ω Load

Specifications A3000A5003MB3000

RMS Power Output

into 2Ω watts per channel
into 4Ω watts per channel
into 8Ω watts per channel

1600
900
500

2250
1500
900

3000
2000
1200

No. of Channels
2
2
1

Power bandwidth +0dB,-3dB
2Hz-80kHz
2Hz-50kHz
2Hz-50kHz

Slew Rate in excess of
50V/us
65V/us
50V/us

Gain
x60
x70
x90

Total Harmonic Distortion
Typical @ 1 dB below clip
20kHz @ 1 dB below clip

0.04%
0.07%

0.04%
0.07%

0.04%
0.07%

Signal to Noise Ratio
Typical ref. full output, unweighted
Worst case 10Hz - 30kHz clip

-125dB
-95dB

-125dB
-95dB

-125dB
-95dB

Crosstalk
Typical
Worst case 10Hz - 30kHz

-115dB
-95dB

-115dB
-95dB

n.a.
n.a.

Damping Factor
400
400
400

Input Impedance
electronically balanced
10kΩ
10kΩ
10kΩ

Common mode rejection
typically
-70dB
-70dB
-70dB

InputSensitivity
ref.full output into 4Ω
1V RMS
1V RMS
1V RMS

Protection
Clipping
Load below 2.4Ω
Shorted Output,DC or RF at Output
Soft
Dynamic linear
Immediate
Soft
Dynamic linear
Immediate
Soft
Dynamic linear
Immediate

Power Consumption
5.3kVA
8.3kVA
5.3kVA

Power Requirements
50/60 Hz ac in volts
Internally selectable for

220-240v
100-120v

220-240v
100-120v

220-240v
100-120v

Dimemsions
Rack Units
Height x Width x Depth in inches
Height x Width x Depth in mm
2U
3.5 x 19 x 15
88 x 483 x 381
3U
5.25 x 19 x 15
132 x 483 x 381
2U
3.5 x 19 x 15
88 x 483 x 381

Weight
Gross in kg/lbs
Nett in kg/lbs

14kg/31lbs
12.4kg/27lbs

16kg/34lbs
14kg/29.6lbs

14kg/31lbs
12.4kg/27lbs






For Sales Service and Repairs ,
Contact us:-
Tel: 07773 876461  
Fax: 01274 564188 
    or Email us:- info@quantum-pro-audio.com 
Unit S5B, Keighley Business Centre,Knowle Mill, South Street, Keighley, BD21 1SY