AKAI AM-A90 je zosilňovač známej japonskej značky AKAI. Je to zástupca 80-tych rokov. Bol to najvyšší model výrobcu s obrovským výkonom. Jeho základom boli MOS-FET tranzistory a toroidný transformátor. Dostupný bol v čiernom alebo striebornom prevedení.
Výroba: 1986-87
Cena: 1000,- DM
TECHNICAL DATA
POWER AMPLIFIER SECTION
Continuous Power Output (Both Channels Driven):
2 x 180 watts RMS, at 4 ohms from 20 to 20,000 Hz with no more than 0,7 % THD.
2 x 130 watts RMS, at 8 ohms from 20 to 20,000 Hz with no more than 0,5 % THD.
2 x 180 watts into 4 ohms at 1 kHz, with no more than 0,7% THD .
2 x 130 watts into 8 ohms at 1 kHz, with no more than 0,5% THD.
Power Bandwidth (IHF - 3 dB): 10 Hz to 80 kHz / 8 ohms
(Total Harmonic Distortion: 1%)
Signal-to-Noise Ratio (IHF)
PHONO: 86 dB (MM), 67 dB (MC)
CD/AUX: 100 dB
Residual Noise: 0,2 mV at 8 ohms
Channel Separation (IHF): 60 dB at 1,000 Hz
Damping Factor: 30 ( 1 kHz, 8 ohms)
Output:
Speakers: A or B (4 to 16 ohms) /A+ B (8 to 16 ohms)
PREAMPLIFIER SECTION
Input Sensitivity/ Impedance
PHONO (MM): 2,2 mV /47 K ohms,
PHONO (MC): 0,2 mV /100 ohms
CD, AUX, TUNER, TAPE: 150 mV / 47 K ohms,
TAPE REC: 150 mV / 1 K ohms,
Output Level /Impedance
TAPE REC:
PIN: 150 mV / 1 K ohms,
DIN 30 mV / 150 K ohms
Frequency Response
PHONO (RIAA equalization): 20 Hz to 20 kHz (+- 0,2 dB)
Tuner, AUX, Tape: 5 Hz to 100 kHz (- 3 dB)
Tone Control
BASS: ±8 dB
TREBLE: ± 8 dB
MISCELLANEOUS
Dimensions: 440 (W) x 120 (H) x 410 (D) mm
Weight: 12,5 Kg
