Marantz AMP 20 Reference 12 Channel Amplifier

AMP 20 is a remarkably powerful 12-channel amplifier, and can be paired with AV 20 for an elite, reference-level home theater system.

• Crafted in Shirakawa, Japan
• 12 Channels
• 200 Watts per Channel
• Exclusive HDAM
• Custom Switching Amplifiers
• Selectable Output Modes

SPECIFICATIONS

• Type: 12-channel reference power amplifier
• Amplifier topology: Custom Class D (switching amplifiers)
• Channels: 12
• Power output (8 Ω, 1 kHz, 0.05% THD, 2 channels driven):
  • 200 W/ch
• Power output (4 Ω, 1 kHz, 0.7% THD, 2 channels driven):
  • 400 W/ch
• BTL (bridged) mode:
  • 400 W/ch @ 8 Ω
• 5-channel output (8 Ω, 1 kHz, 0.7% THD):
  • 200 W/ch
• Frequency response: 5 Hz – 70 kHz (±3 dB, 1 W, 8 Ω)
• Signal-to-noise ratio: 110 dB (IHF-A)
• Voltage gain: 29 dB
• Input sensitivity / impedance:
  • RCA: 1.4 V / 47 kΩ
  • XLR: 2.8 V / 100 kΩ
• Supported speaker impedance:
  • Normal/Bi-Amp: 4–16 Ω
  • BTL: 8–16 Ω
• Inputs:
  • 12-channel balanced (XLR)
  • 12-channel unbalanced (RCA)
  • Selectable via input switch (not simultaneous)
• Speaker terminals: 12 pairs (SPKT-1+ binding posts)
• Bi-Amp mode: Yes
• BTL (Bridge) mode: Yes
• HDAM: Marantz HDAM-SA2 circuitry
• Chassis: Copper-plated steel
• Front display: LED level meters
• RS-232: Yes
• IR input: Yes
• Marantz Remote Bus: Yes
• 12 V trigger: 1 input / 1 output
• Auto Power Off: Yes
• Power consumption: 400 W
• No-signal power: 110 W
• Standby power: 0.2 W
• Dimensions (W × D × H): 442 × 442 × 190 mm (17.4 × 17.4 × 7.5 in)
• Weight: 18.0 kg (39.7 lb)
• Manufactured in: Shirakawa, Japan
• Finish: Black