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RDL RU-PA518


Audio Power Amplifier, 5W Stereo, 18W Mono

BSW PART: RUPA518

RDL RU-PA518
The RU-PA518 from Radio Design Labs is a versatile audio amplifier featuring advanced circuitry with accessible, user-friendly controls and displays. It offers two modes of operation: stereo and bridged mono. Depending on the mode of operation, the RU-PA518 can deliver from 5 to more than 18 watts of RMS power at the output. In stereo mode, each of the two inputs feeds its respective left or right output. Front panel level controls set the gain for both left and right channels. When the rear panel switch is set to the bridge mode, the two inputs (A and B) are mixed together and fed to the output. In either the stereo or mono mode, an internal audio peak limiter may be turned on using a rear panel switch.

PS24AS power supply sold separately.

Main Features:
• 9 W RMS per Channel Stereo into 4 ohms
• 18 W RMS Mono into 8 ohms
• Selectable Stereo or Bridged Mono
• Selectable Built-In Peak Limiter
• 1/3 Rack, High-Density Rack Mounting
• Front-Panel Control for 2 Inputs

Specifications:
• Inputs (2): Line level (+4 dBu nominal bal, -10 dBV nominal unbalanced)
• Input Impedance: 20k ohms balanced bridging, or 10k ohms unbalanced
• Input Connectors: Balanced on barrier block; Unbalanced on phono jack
• Minimum Input Signal Levels: Balanced: 6 dBu for rated power; Unbala nced: ; Unbalanced: 20 dBV for rated power
• Maximum Input Signal Levels: Balanced: +20 dBu Unbalanced: +6 dBV
• Frequency Response: 20 Hz to 40 kHz (+/1 dB, stereo mode,8 ohm output @ 5 W RMS) 25 Hz to 40 kHz (+/ 1 dB, stereo mode, 4 ohm output @ 9 W RMS) 25 Hz to 30 kHz (+/1 dB, bridge mono mode, 8 ohm output @ 18 W RMS)
• THD+N: < 0.05% below rated power (1 kHz) < 0.1% below 18 W RMS (50 Hz to 20 kHz)
• Noise: < 85 dB below rated output
• CMRR: > 55 dB (50 Hz to 120 Hz)
• Crosstalk: < 60 dB (stereo mode, 1 kHz)
• Output Power: Stereo Mode: > 5 W RMS per channel Into 8 ohms> 9 W RMS per channel into 4 ohms Mono Mode: > 18 W RMS into 8 ohms
• Power Requirement: Ground-Referenced, 24 to 33 Vdc @ 1500 mA (RMS output) 1000 mA (Continuous music or voice)

RDL RU-PA518 Figure 1

 

RDL RU-PA518 Figure 2 

List Price: $342.33
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