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But this has it's own problems because a higher impedance speaker will actually demand more
power from your amplifier (even at lower volumes) than it is used to delivering to a lower
impedance speaker... and that can over strain your amplifier. The KXPro has been designed to be
happy in Bridge Mode providing you do not attempt to use a 4 Ohm speaker.
NOTE The Minimum speaker impedance for use with the KXPro in Bridge Mode is 8 Ohm.
About Thermal Protection Relay
KXPro amplifiers feature a thermally efficient central heat sink design and dual speed, dual fan
cooling. They are designed to operate in the kind of relatively high environmental temperatures
found in some venues and we feel that they perform extremely well in such hostile conditions.
However, because extremely high environmental temperatures are always a hazard to high power
amplifiers, all KXR amplifiers also feature a Thermal Protection Relay. If the amplifier becomes
too hot, it will temporarily go into a 'standby' mode where the audio circuitry (but not the fans!) is
switched off. This gives the circuitry time to cool down. If this happens the amber LEDs marked
'Protect' (found on the front panel above the volume controls) will illuminate. If this happens you
should turn the volume controls to zero immediately and wait. When the Protect LEDs stop being
illuminated you can gradually return the volume controls to the desired listening level. Under such
circumstances it is advisable to return the volume controls to a slightly lower listening level than
that set prior to the engagement of the Thermal Protection Relay. The more power output you
demand from your amplifier, the higher the internal operating temperature is liable to be... so a
lower listening level will decrease the chances of the Relay engaging once more.
You will find loads more advice and information about setting up Kam audio equipment within the
Tuition area at www.kam.co.uk.
Thank you for reading these guidelines and enjoy your Kam KXPro amplifier!
KXPro1000
power amplifier
Amplifier power output 500W RMS per channel @ 4 Ohms
300W RMS per channel @ 8 Ohms
Input connections Balanced XLR, unbalanced jack
Output connections Speakon
Minimum impedance 2 Ohms
Frequency response 20Hz - 30KHz (±1dB)
S/N Ratio 85dB
THD 0.01%
Soft Start
AC/DC Protection
Limiter Circuit
Short Circuit Protection
Thermal Protection
2 x dual speed cooling fans
Min input sensitivity 770mv/0dB
Input impedance 20k Ohm balanced & 10k Ohm unbalanced
Dimensions 482 x 473 x 88mm
Weight 19.5Kg
KXPro1600
power amplifier
Amplifier power output 800W RMS per channel @ 4 Ohms
500W RMS per channel @ 8 Ohms
Input connections Balanced XLR, unbalanced jack
Output connections Speakon
Minimum impedance 2 Ohms
Frequency response 20Hz - 30KHz (±1dB)
S/N Ratio 85dB
THD 0.01%
Soft Start
AC/DC Protection
Limiter Circuit
Short Circuit Protection
Thermal Protection
2 x dual speed cooling fans
Min input sensitivity 770mv/0dB
Input impedance 20k Ohm balanced & 10k Ohm unbalanced
Dimensions 482 x 473 x 88mm
Weight 21.5Kg
KXPro2400
power amplifier
Amplifier power output 1200W RMS per channel @ 4 Ohms
750W RMS per channel @ 8 Ohms
Input connections Balanced XLR, unbalanced jack
Output connections Speakon
Minimum impedance 4 Ohms
Frequency response 20Hz - 30KHz (±1dB)
S/N Ratio 85dB
THD 0.01%
Soft Start
AC/DC Protection
Limiter Circuit
Short Circuit Protection
Thermal Protection
2 x dual speed cooling fans
Min input sensitivity 770mv/0dB
Input impedance 20k Ohm balanced & 10k Ohm unbalanced
Dimensions 482 x 473 x 88mm
Weight 23.5Kg
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