Radio Design Labs RU-ADA4D Audio Distribution Amplifier

Amplifier

• Specifications:
• Inputs (2): Stereo (A/left and B/right) on detachable terminal block
• Input Impedance: 20 k Ohm balanced or 10 k Ohm unbalanced
• Input Level: +4 dBu balanced (nominal), +25 dBu maximum; -10 dBV unbalanced
• Input Gain Adjustments (2): -5 dB to +15 dB (rel. +4 dBu balanced); -3 dB to +17 dB (rel. -10 dBV unbalanced)
• Input Metering (2): Dual-LED VU Meter for Input A and Input B
• Mono mode: Rear-panel switch-selectable (input A feeds all 8 outputs)
• Outputs (8): Stereo, A (4), B (4) on detachable terminal blocks
• Output Impedance: 150 Ohm balanced; 75 Ohm unbalanced
• Output Level: +4 dBu balanced (nominal), +24 dBu maximum; -10 dBV unbalanced
• Output Level Adjustments (8): -9 dB to +6 dB (rel. +4 dBu, balanced); -3 dB to + 12 dBu (rel. -10 dBV, unbalanced)
• Frequency Response: 10 Hz to 165 kHz (+/- 0.25 dB); 10 Hz to 35 kHz (+/- 0.01 dB)
• THD+N: < 0.0025% (20 Hz to 20 kHz)
• Headroom: > 20 dB (above +4 dBu input or output)
• Noise: < -92 dB (below +4 dBu output, 20 Hz to 20 kHz)
• Crosstalk: < -90 dB (20 Hz to 5 kHz);
• CMRR: > 90 dB (100 Hz)
• Power Requirement: GROUND REFERENCED, 24 Vdc @ 82 mA (idle, nominal), 120 mA (max.)
• Ambient Operating Environment: 0C to 50C
• Case dimensions: 5.75 (14.6 cm)W x 1.65 (4.18 cm)H x 3.54 (9.0 cm)D; 3.9 (9.9 cm)D with connectors

Features:

• Stereo Audio Distribution with 4 Outputs
• Mono Audio Distribution with 8 Outputs
• Front-Panel Input Level Trimmers
• Dual-LED VU Meter for Each Input Channel
• Front-Panel Output Level Trimmers
• Inputs and Outputs on Rear Panel Detachable Terminal Blocks
• Exceptional Audio Quality for the Most Demanding Applications

Stereo Audio Distribution with 4 Outputs

• . Mono Audio Distribution with 8 Outputs
• . Front?Panel Input Level Trimmers
• . Dual?LED VU Meter for Each Input Channel
• . Front?Panel Output Level Trimmers
• . Inputs and Outputs on Rear Panel Detachable Terminal Blocks
• . Exceptional Audio Quality for the Most Demanding Applications
  
  Specifications:
• Inputs (2): Stereo (A/left and B/right) on detachable terminal block
• Input Impedance: 20 k Ohm balanced or 10 k Ohm unbalanced
• Input Level: +4 dBu balanced (nominal), +25 dBu maximum; -10 dBV unbalanced
• Input Gain Adjustments (2): -5 dB to +15 dB (rel. +4 dBu balanced); -3 dB to +17 dB (rel. -10 dBV unbalanced)
• Input Metering (2): Dual-LED VU Meter for Input A and Input B
• Mono mode: Rear-panel switch-selectable (input A feeds all 8 outputs)
• Outputs (8): Stereo, A (4), B (4) on detachable terminal blocks
• Output Impedance: 150 Ohm balanced; 75 Ohm unbalanced
• Output Level: +4 dBu balanced (nominal), +24 dBu maximum; -10 dBV unbalanced
• Output Level Adjustments (8): -9 dB to +6 dB (rel. +4 dBu, balanced); -3 dB to + 12 dBu (rel. -10 dBV, unbalanced)
• Frequency Response: 10 Hz to 165 kHz (+/- 0.25 dB); 10 Hz to 35 kHz (+/- 0.01 dB)
• THD+N: < 0.0025% (20 Hz to 20 kHz)
• Headroom: > 20 dB (above +4 dBu input or output)
• Noise: < -92 dB (below +4 dBu output, 20 Hz to 20 kHz)
• Crosstalk: < -90 dB (20 Hz to 5 kHz);
• CMRR: > 90 dB (100 Hz)
• Power Requirement: GROUND REFERENCED, 24 Vdc @ 82 mA (idle, nominal), 120 mA (max.)
• Ambient Operating Environment: 0C to 50C
• Case dimensions: 5.75 (14.6 cm)W x 1.65 (4.18 cm)H x 3.54 (9.0 cm)D; 3.9 (9.9 cm)D with connectors