RDL Effektförstärkare 50W 70/100V, linje in, inkl. PSU
The SF-PA50A is a 50-Watt audio power amplifier that converts one analog input to a 70 V or 100 V constant voltage amplified output.
An analog audio source may be connected to either the mono balanced terminal block input or to the unbalanced Mini-Jack that sums the left and right channels to mono. Amplifier gain is set by the installer using a rear-panel single-turn potentiometer with an associated dual-LED VU meter calibrated to 20 dB below maximum power output.
The SF-PA50A is equipped with an internal VCA for setting the amplifier output level. A detachable terminal block provides for the connection of an external 10-kΩ potentiometer or a 0 to 10 Vdc control voltage. RDL remote controls are available to provide single-turn, multi-turn (rotary encoder) or pushbutton (ramp or fixed level selection) user level control. VCA control insures long-term noise-free level adjustment.
The module is equipped with both thermal and output short-circuit protection. The high-efficiency Class D output stage produces minimal heat for all levels of expected voice or music modulation. Upon power-up and during overloads or overheating, an LED MUTE indicator glows yellow and the output is muted.
The SF-PA50A is equipped to operate from an included external 24 Vdc power supply. The SF-PA50A monitors the amplifier power and limits the current to protect the power supply from shutting down even during extreme feedback or square wave modulation conditions. A red rear-panel OVERLOAD PROTECT LED flashes when the SF-PA50A reduces power consumption to prevent shutdown of the power supply.
The SF-PA50A is constructed in a durable, professional all-metal enclosure suitable for freestanding, surface-mounted or rack-mounted operation. This full-featured SYSFLEX product is engineered and manufactured in the U.S.A for continuous duty in demanding installations. The versatility of SYSFLEX products adds enormous flexibility in the design and installation of professional A/V systems.
Features:
• 50 Watts RMS Constant Voltage Amplifier
• 70 V or 100 V Output
• Plenum Rated per UL 2043 Standard
• Analog Balanced Mono Input or Unbalanced Stereo Mini-Jack Input
• Adjustable Gain with Dual-LED VU Metering
• Automatically Limits Supply Current to Protect Against Power Supply Shutdown
• VCA Control on Detachable Terminal Block
• External Control Using 10 kΩ Potentiometer or 0 to 10 Vdc
• Compatible with RDL Remote Level Controls
• LED Indicators: Power, Amplifier Mute, Analog Input Level
• High-Efficiency Class D Operation
• Thermal and Short-Circuit Protection
The SF-PA50A is a 50-Watt audio power amplifier that converts one analog input to a 70 V or 100 V constant voltage amplified output.
An analog audio source may be connected to either the mono balanced terminal block input or to the unbalanced Mini-Jack that sums the left and right channels to mono. Amplifier gain is set by the installer using a rear-panel single-turn potentiometer with an associated dual-LED VU meter calibrated to 20 dB below maximum power output.
The SF-PA50A is equipped with an internal VCA for setting the amplifier output level. A detachable terminal block provides for the connection of an external 10-kΩ potentiometer or a 0 to 10 Vdc control voltage. RDL remote controls are available to provide single-turn, multi-turn (rotary encoder) or pushbutton (ramp or fixed level selection) user level control. VCA control insures long-term noise-free level adjustment.
The module is equipped with both thermal and output short-circuit protection. The high-efficiency Class D output stage produces minimal heat for all levels of expected voice or music modulation. Upon power-up and during overloads or overheating, an LED MUTE indicator glows yellow and the output is muted.
The SF-PA50A is equipped to operate from an included external 24 Vdc power supply. The SF-PA50A monitors the amplifier power and limits the current to protect the power supply from shutting down even during extreme feedback or square wave modulation conditions. A red rear-panel OVERLOAD PROTECT LED flashes when the SF-PA50A reduces power consumption to prevent shutdown of the power supply.
The SF-PA50A is constructed in a durable, professional all-metal enclosure suitable for freestanding, surface-mounted or rack-mounted operation. This full-featured SYSFLEX product is engineered and manufactured in the U.S.A for continuous duty in demanding installations. The versatility of SYSFLEX products adds enormous flexibility in the design and installation of professional A/V systems.
Features:
• 50 Watts RMS Constant Voltage Amplifier
• 70 V or 100 V Output
• Plenum Rated per UL 2043 Standard
• Analog Balanced Mono Input or Unbalanced Stereo Mini-Jack Input
• Adjustable Gain with Dual-LED VU Metering
• Automatically Limits Supply Current to Protect Against Power Supply Shutdown
• VCA Control on Detachable Terminal Block
• External Control Using 10 kΩ Potentiometer or 0 to 10 Vdc
• Compatible with RDL Remote Level Controls
• LED Indicators: Power, Amplifier Mute, Analog Input Level
• High-Efficiency Class D Operation
• Thermal and Short-Circuit Protection
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