Accuphase P-4600

8900 €

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Filled with the highest-quality technologies, the P-4600 Class AB stereo power amplifier provides supreme driving performance. The power amp stage features 6-parallel push-pull power transistors, while its rated output of 150 W into 8 ohms dwarfs conventional models. Combined with an S/N ratio of 125 dB and a damping factor of 800, it drives large speakers with ease and creates a rich, deep soundscape. The P-4600 power amplifier extracts the complete breadth of recordings, vividly recreating the rush of live performances, and lets you enjoy the very essence of musical performances.

6-parallel push-pull power transistor output stage

Large output 150 W / 8 ohms, 300 W / 4 ohms, 450 W / 2 ohms

Instrumentation amplifier principle

Current feedback amplification circuits

Balanced remote sensing

MCS+ circuit

High damping factor of 800

Speaker output protection

Highly responsive large-scale power meters

Support for bi-amping and bridged mode connections

SPECIFICATIONS

Continuous Average Output Power: Stereo operation - 500 watts per channel into 1 ohm, 360 watts per channel into 2 ohms, 180 watts per channel into 4 ohms, 90 watts per channel into 8 ohms. Monophonic operation (bridged connection) - 1000 watts into 2 ohms, 720 watts into 4 ohms, 360 watts into 8 ohms.

Total Harmonic Distortion: Stereo operation - 0.05% with 2 ohm load, 0.02% with 4 to 16 ohm load. Monophonic operation (bridged connection) - 0.05% with 4 to 16 ohm load

Intermodulation Distortion: 0.01%

Frequency Response: At rated output: 20 – 20,000 Hz +0, -0.2 dB. At 1 watt output: 0.5 – 160,000 Hz +0, -3.0 dB

Gain: 28.0 dB (with GAIN selector at MAX) (Stereo and monophonic operation)

Gain Selection: MAX, -3 dB, -6 dB, -12 dB

Output Load impedance: Stereo operation - 2 to 16 ohms. Monophonic operation: 4 to 16 ohms

Damping Factor: 800 or greater

Input Sensitivity: Stereo operation - 1.38 V for rated continuous average output. 0.11 V for 1 watt output. Monophonic operation - 2.76 V for rated continuous average output. 0.11 V for 1 watt output

Input Impedance: Balanced - 40 kilohms. Line - 20 kilohms

Signal-to-Noise Ratio (A-weighted, input shorted): 125 dB (GAIN selector at MAX), 130 dB (GAIN selector at -12 dB) At rated continuous average output

Output Level Meters: －∞ dB to +3 dB (indication in dB and %) Logarithmic scale, with defeat switch, hold time switchable 3 s / ∞

Power Requirements: AC 120 V/230 V, 50/60 Hz (Voltage as indicated on rear panel)

Power Consumption: 94 watts idle. 485 watts in accordance with IEC 60065

Maximum Dimensions: Width 465 mm, Height 190 mm, Depth 427 mm

Mass: 30 kg net, 36.0 kg in shipping carton