The NXL500 is designed as a very high performance, high end audio amplifier in the Recording Studio's, Audiophile Amplifier's, Home Theatre and Sub-Woofer Amplifier's

The NXL500 R6 has XLR Balanced inputs as standard and it can be configured for RCA single ended input.

The update includes a completely fresh PCB layout and some interesting design changes.

NXL500 R6 Specifications

• 300 Watts sine wave into 8 Ω
• 525 Watts sine wave into 4 Ω
• 880 Watts sine wave into 2 Ω
• The NXL500 R6 is 1.5 Ω Stable
• Biased into Class A/B
• Power Bandwidth 3.5hz to 250khz -3dB
• Damping Factor At 100hz 8Ω = 1300
  
• RCA Single ended Input impedance 20kΩ
• Differential Input Impedance = 40kΩ
• Single Ended Input Gain = 22.6dB
• Differential Input Gain = 25.6dB
• SNR -110dB with respect to full power output
• SNR - 90dB at 1 watt into 8 ohms
• THD-N = 0.003% @ 8 Ohms 280 Watts
• Recommended Linear Voltage Supply +-80 Volts DC
• PSU Power Transformer secondary windings 55-60vac (1200VA min per channel)
• Printed Circuit Board Dimensions 231mm x 78.5mm
• Designed as high performance Home Theatre multi-channel amplifier
• Or High End 2 Channel stereo amplifier
• Unconditionally Stable into any load from 2 Ohm loads and up
• Extra heavy duty two ounce copper printed circuit board
• Rugged Dual Die Lateral MOSFET Output Stage

Basic list of parts needed to build a 1 x  Mono Block NXV500L R6 Amplifier.

• 1 x HPA-NXL500 R6 Amplifier Module
• 1 x HPA-PSU Two R3 Power Supply Board
  
• 1 x HPA-MCU Power One R1 AC Mains Controller
• 1 x HPA-SS/Relay One
• 1 x 800VA toroidal transformer with 2 x 55VAC for 4 ohm loads 
• 1 x 1200VA toroidal transformer with 2 x 60VAC for 2 Ohm loads
• 1 x Conrad MF35-151 heat sink Minimum