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

 

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Created štvrtok, 15. október 2020, 23:44
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