Focusrite Red 5 Bruksanvisning

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Red 5 Precision Stereo Power Amplifier
A Precision Stereo Power amplifier, of unusual design, with 2 x 250WRMS continuous rating into
8ohms and a stunning peak capability of over 800W with extremely low distortion and wide
bandwidth.
Standby LED indicates that the mains power is connected to the IEC mains inlet plug on the rear of
the amplifier and that the amplifier is not switched On .
Mains switch - this is an illuminated push switch . Push to start the amplifier . It will take a little time
before the mains switch LED cluster lights up , when lit this indicates that the power supply sections
of the amplifier are running correctly and up to full voltage .
After the power supply sections are running the amplifier will then open for operation , when it is
stable for full operation the Operation LED will light . This will also take a little time ; in total
approximately 15 to 20 seconds from pressing the Mains switch .
Please allow at least one hour of operation for the best possible performance of the amplifier , and
several hours if the amplifier has been in transit or stored in a cold environment .
To switch the amplifier off press the Mains switch again . The amplifier will revert to Standby mode
over a period of a few seconds , the LEDs will indicate the status of the amplifier .
The Red 5 has several protection systems which monitor the operation and performance of the
amplifier. The protection systems sense over current, short circuit, over temperature and unsafe DC
conditions. Should any condition develop which might damage the amplifier, the protection system
will switch the amplifier back to Standby mode. To reset the amplifier after it has shut down, switch
the amplifier off using the Mains switch, wait at least one minute before switching on again. If the
fault condition continues the amplifier will shut down again, without causing damage.
The protection systems take account of the short peaks which occur in music, by allowing short term
overloads within the limits of the circuits, however if long term overload begins then the systems will
protect the amplifier. Although these protection systems are comprehensive, all the sensing is done
without any components in the audio path.
Dynamically coupled power rails ensure that the power supplies operate as a truly balanced system,
thereby preventing ground loop modulation.
The output stages run in class A/B mode, with a sliding bias arrangement.
All driver stages are pure class A with custom manufactured Mosfets at the outputs.
The output circuits have a very low inductance, allowing the Red 5 to get the best out of “difficult
speakers.
Specifications
Continuous output 250W RMS into 8 Ohms (THD < 0.05%)
400W RMS into 2 Ohms (THD < 0.05%)
Dynamic Headroom 300W into 8 Ohms
520W into 4 Ohms, at 1kHz 20 cycles on, 180 cycles off
Peak Pulse Output 75V pk for 8ms burst, equivalent to 800Wpk into 2 Ohms
Output Z 0.03 Ohms and 2.6uH
Frequency Response 1Hz – 39kHz (-1dB)
1Hz – 75kHz (-3dB)
Signal to Noise Better than –105dB (A weighted at 2/3 full power)
Gain 33dB
Slew Rate >70V/uS measured with 1kHz 20Vpk square wave
Channel separation >95dB un-weighted
Input Sensitivity 1V for maximum rated output
Input Z Balanced 100Kohm and 22pF

Produktspecifikationer

Varumärke: Focusrite
Kategori: Inte kategoriserad
Modell: Red 5

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