Fbt ka 1200 Guide De Spécification

Featuring robust power,

efficient operation, impressi-

ve specs, and excellent cost per

watt performance: Kempton’s

KA amplifiers are the perfect

power mates for PW and GT

sound reinforcement speaker

systems. Used in 4-ohm bridged

applications the KA 2000 deli-

vers 2000W, the KA 1200

1200W and the KA 800 800W.

The KA Amplifier Series is the

result of many hours of testing

and performance involving

Kempton’s tech staff and users.

The results are a sophisticated

power amp circuit design featu-

ring high power, superb quality,

reliability and stability to provide

the highest possible sound

performance 

KA 800 and 1200 are feature Class AB design,

while KA 2000 is a Class H (2 steps) amp design.

The KA Series power amps deliver high fidelity

sound quality, high slew rate, wide full range fre-

quency response and extremely low noise. These are

the references of Kempton’s KA Power Amplifiers.

Sophisticated protection circuits prevent improper

tampering. A variable low noise, high speed fan pro-

vides for improved heat dissipation and to prevent

thermal shutdowns. Balanced XLR and Jack input

connectors. Professional 4-pin speakon and binding

posts outputs. Stereo-Parallel-Bridge modes via

switch. Selectable clipping control / limiter function

switch. Selectable built-in 30Hz low pass filter to

protect speaker systems from damage caused by

subsonic frequencies. LED indicators for the output

balance, as well as LED status indicators of signal

(SIG) and clipping (CLIP). 2-unit 19” rack space desi-

gn for universal rack mount installations.

STEREO MODE 

Wrms

8ohm 200 / 250

300 / 350

560 / 650

(Both channel driven - 1%thd)

4ohm 320 / 400

500 / 600

840 / 1000

Continuous/Impulsive

2ohm 400 / 450

650 / 750

1100 / 1250

BRIDGE MODE

Wrms

8ohm 600 / 720

940 / 1100

1500 / 1750

Continuous/Impulsive

4ohm 750 / 800

1200 / 1350

1950 / 2200

Input Sensitivity

Vrms

1,3 (4,5dbu)

1,3 (4,5dbu)

1,3 (4,5dbu)

Voltage Gain

dB

30

32

34,5

Input Impedance

ohm

20K Balanced

20K Balanced

20K Balanced

Frequency Response @ -1db

Hz

20 - 40K

20 - 40K

20 - 40K

THD distorsion (50% Pmax)

%

0,01

0,01

0,01

S/N Ratio (A weighted)

db

>100

>100

>100

consumption

VA

1200

1800

3000

Class

AB

AB

H, 2step

Protections

Short circuit, Thermal

Controls

FRONT: AC switch, Input levels

REAR: stereo/parallel/bridge selector,

30Hz Hp filter, clip ON/Off

Indicators

SIGNAL, CLIP, POWER led

Connectors

IN: XLR and 6.3mm-Jack 

OUT: binding posts and NL4 speakons 

Power Supply

Available for 110-120VAC or 220-240VAC, 50/60Hz

Cooling

Variable speed FAN

Dimensions (WxDxH)

mm

438x400x88,8

438x400x88,8

438x400x88,8

inch

17,24x15,74x3,49 17,24x15,74x3,49 17,24x15,74x3,49

Weight

Kg

14,4

16,5

19

lb

31,74

36,37

41,88

Amplification for Live Sound Reinforcement Speaker

Systems in Clubs, Discos, Piano Bars, Conference Halls,

Houses of Worship, Sports Arenas, Schools, Theatres,

Mobile D.J. use, Recording Studio Monitors, Foreground Music

Reproduction, etc.