Luxman L-550

Power Output: 50W + 50W Pure class "A" (8 ohms, both ch. driven 20Hz-20kHz)

T.H.D.: no more than 0.005% (8 ohms, -3dB, 20Hz - 20kHz)

Rated I.M.: no more than 0.005% (8 ohms, -3dB, 60 Hz: 7 kHz = 4:1)

Input Sensitivity:

Phono (MM): 1.6 mV

Phono (MC): 80 µV

Tuner: 220 mV

Aux: 220 mV

Main in: 220 mV

Input Impedance:

Phono (MM): 50 kohms, 100 kohms, 100 ohms

Phono (MC): 100 ohms, 40 ohms, 300 ohms

Tuner: 33 kohms

Aux: 33 kohms

Main in: 47 kohms

Signal-to-Noise Ratio (IHF-A weighted):

Phono (MM): better than 84dB (input short-circuited)

Phono (MC): better than 80dB (250µV input)

Tuner: better than 110dB (input short-circuited)

Aux: better than 110dB (input short-circuited)

Main in: better than 110dB (input short-circuited)

Frequency Response:

Phono (MM, MC): 20 Hz - 20,000Hz (within ±0.2dB)

Tuner, aux: 10Hz - 100,000Hz (within -1dB)

Main in: 10Hz - 100,000Hz (within -1dB)

Tone Control:

Maximum variable amount: ±9dB

Bass Turnover: 55Hz, 77Hz, 110Hz, 155Hz, 220Hz, 310Hz

Frequencies: 440Hz, 620Hz, 880Hz

Treble Turnover: 620Hz, 880Hz, 1.2kHz, 1.7kHz, 2.5kHz

Frequencies: 3.5kHz, 5kHz, 7kHz, 10kHz

Preamplifier Output: 220m V

Dimensions: 453x460x174 mm

Weight: 18 kg