Akai - AM-47 固態整合式擴大機

Model: AM-47

Year of manufacture: 1992

Made in: Japan

Color: silver, black

Type: analog

Remote control: no

Power consumption: 230 watts

Dimensions: 425 x 156 x 370 mm (W x H x D)

Weight: approx. 11 kg

Original price approx.: DM 900

Connections

Number of inputs: 7

CD, Tuner, AUX, Phono, TAPE 1-3

Number of outputs: 3

TAPE 1-3

2 pairs of speakers (A + B)

Headphone output

Technical specifications

Continuous power output (at THD)

8 ohms: 2 x 80 W (FTC, 8 ohms, 20 Hz to 20 kHz, 0.05%)

4 ohms: 2 x 120 W (DIN)

2 Ohms: 2 x 160 W (DIN)

Dynamic Power

8 Ohms: 2 x 120 W

4 Ohms: 2 x 180 W

2 Ohms: 2 x 240 W

Total Harmonic Distortion: 0.005% (1 kHz, 8 Ohms)

Expected Speaker Impedance:

A or B: 4–16 Ohms

A and B: 8–16 Ohms

Damping Factor: 45

Frequency Response: 5 Hz – 100 kHz

Signal-to-Noise Ratio:

Stereo Channel Separation: 60 dB (1 kHz) / 50 dB (10 kHz)

Tone Controls:

Bass: Yes, ± 8 dB (100 Hz)

Treble: Yes, ± 8 dB (10 kHz) kHz)

Loudness: No

Rumbonic filter: Yes, 16 Hz (-12 dB/octave)

High-frequency filter: No

Mute: Yes (-20 dB)