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Manafacture: Pyramid Car Audio File size: 1.05 mb File name: Language of manual:

At this time please check your system to see what is causing the protection circuit to fire. The amplifier can be reset by turning the remote power off and then on again. If the system shuts down because of a thermal overload condition, allow the amplifier to cool down before restarting. If the amplifier shutdown because of an input overload or speaker short circuit please be sure to correct these conditions before restarting the amplifier. -1 2-OHM OPERATION PYRAMID SERIES This unit was designed to operate efficiently at loads down to 2 ohms. What this means is that you can do an installation of FOUR-8 ohm speakers per channel using parallel wiring or TWO-4 ohm speakers per channel in parallel. When operating at 2 ohms, the amplifier to increase their power output by approximately 50 percent. The current draw of the amplifiers will also increase by about the same as amount. Be sure that you have enough current to run the amplifier into a 2 ohm load otherwise distorted music will be reproduced. Do not use a 2 ohm load in the bridged mode. The amplifier accepts 4-8 ohms only in the bridged mode. -2 -3- FEATURES PYRAMID SERIES PB 310 SX • TWO CHANNEL BRIDGEABLE AMPLIFIER • 300 WATTS X 2 OUTPUT • 600 WATTS X 1 BRIDGED OUTPUT • VARIABLE GAIN CONTROL • REMOTE TURN ON/OFF • 2 OHM STEREO STABLE • MOSFET PULSE WIDTH MODULATED POWER SUPPLY • VARIABLE BASS BOOST ( 0-18 dB @ 60HZ) • VARIABLE TREBLE BOOST (0-12 dB @ 10KHZ) • GOLD PLATED RCA HIGH IMPEDANCE INPUTS • SPEAKER TERMINAL BARRIER STRIP • SOFT TURN-ON CIRCUIT • HEAVY DUTY ALUMINUM ALLOY HEATSINK • DC TO DC CONVERTER CIRCUITRY • POWER ON & DIAGNOSTIC LED INDICATOR • SIGNAL TO NOISE RATIO: GREATER THAN 90dB • DISTORTION: LESS THAN 0.05% @RMS POWER • FREQUENCY RESPONSE : 10HZ-30KHZ • INPUT SENSITIVITY: 100MV-1V ADJUSTABLE • INPUT IMPEDANCE: 10K OHMS • OVERLOAD PROTECTION • THERMAL SHUTDOWN • DIMENSIONS: 209MM(L) X 242MM(W) X 64MM(H) -4- FEATURES PYRAMID SERIES PB 610 SX • FOUR CHANNEL BRIDGEABLE AMPLIFIER • 250 WATTS X 4 OUTPUT OR • 500 WATTS X 2 BRIDGED OR • 250 WATTS X 2 + 1 X 500 W • VARIABLE GAIN CONTROL • REMOTE TURN ON/OFF • 2 OHM STEREO STABLE • TWIN MOSFET PULSE WIDTH MODULATED POWER SUPPLIES • VARIABLE BASS BOOST ( 0-18 dB @ 60HZ) • VARIABLE TREBLE BOOST (0-12 dB @ 10KHZ) • GOLD PLATED RCA HIGH IMPEDANCE INPUTS • SPEAKER TERMINAL BARRIER STRIP • SOFT TURN-ON CIRCUIT • HEAVY DUTY ALUMINUM ALLOY HEAT SINK • DC TO DC CONVERTER CIRCUITRY • POWER ON & DIAGNOSTIC LED INDICATOR • SIGNAL TO NOISE RATIO: GREATER THAN 90dB • DISTORTION: LESS THAN 0.05% @RMS POWER • FREQUENCY RESPONSE : 10HZ-30KHZ • INPUT SENSITIVITY: 100MV-1V ADJUSTABLE • INPUT IMPEDANCE: 10K OHMS • OVERLOAD PROTECTION / SHORT CIRCUIT PROTECTION • THERMAL SHUTDOWN • DIMENSIONS: 350MM(L) X 242MM(W) X 64MM(H) -5- FEATURES PYRAMID SERIES PB 800 SX • FOUR CHANNEL BRIDGEABLE AMPLIFIER • 300 WATTS X 4 OUTPUT OR • 600 WATTS X 2 BRIDGED OR • 300 WATTS X 2 + 1 X 600 W • VARIABLE GAIN CONTROL • REMOTE TURN ON/OFF • 2 OHM STEREO STABLE • TWIN MOSFE...

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