Akai AA920

 AA-920 Stereo Tuner Amplifier

The AA_920 top quality FM/AM MPX stereo tuner amplifier features multiple connections and controls and three separate speaker systems which can be utilized individually or two systems simultaneously. Step type volume control with prest facility, bass and treble controls for even and precise adjustment. Efficient design includes signal strength tuning meter, mode indicator lamps and ideally positioned controls for easy operation.

Specifcations

FM Tuning Range:  86,8 to 109,2 MHz

Dial Tracking Error:  ±250 khz

Sensitivity (IHF):  3,2 µV

Sensitivity Deviation:  withinh 3 dB

Image Rejection Ratio:  better than 75 dB

IF Rejection Ratio:  better than 85 dB

Capture Ratio (IHF):  less than 2,5 dB

Liliting Sensitivity:  less than 8 dB

Muting Sensitivity:  23 dB ±3

Selectivity:  better than 70 dB

AM Suppression Ratio:  better than 45 dB

Signal-to-Noise Ratio:  70 dB

Distortion Factor [stereo/mono]:  less than 1,5% / 0,7%

Frequency Response:  -11 dB at 10 kHz (±1 dB)

Stereo Sensitivity:  less than 14 µV

Stereo Separation:  better than 33 dB

Rejection Ratio:  better than 50 dB

L-R Deviation:  within 3 dB

Recording Output:

Pin :  350 mV (-7±3 dB)

DIN :  70 mV (-21 ±3 dB)

AM Tuner Section

Frequency Range:  525 to 1650 kHz

Dial Tracking Error:  within 2%

Sensitivity (IHF):  250 µV

Sensitivity Deviation:  within 6 dB

Image Rejection Ratio:  better than 55 dB at 1 MHz

IF Rejection Ratio:  better than 55 dB at 1 MHz

Selectivity:  better than 30 dB ±10 kHz

S/N Ratio:  better than 40 dB

Distortion Factor:  less than 1,5%

Frequency Response:  -15 dB at 3 kHz

Recording Output:

Pin :  140 mV (-15 ±2 dB)

DIN :  27 mV (-29 ±2 dB)

Audio Section

Power Output:  

45 W per channel at 4 Ω

30 W per channel into 8 Ω

Frequency Response:

Phono :  RIAA standard  ±1,5 dB

Aux :  20 Hz to 50,000 Hz

Power Bandwidth:  10 to 50,000 Hz (distortion 0,5%)

Input Sensitivity

Phono :  2,5 mV (-50 ±1,5 dB)

Mic :  2,5 mV (-50 ±1,5 dB)

Aux :  140 mV (-15 ±1,5 dB)

Tape :  140 mV (-15 ±1,5 dB)

Signal-to Noise Ratio:

Phono :  better than -35 dB

Mic :  better than -35 dB

Aux :  better than -45 dB

Tape :  better than -45 dB

Residual Noise:  less than 1,4 mV (less than -55 dBm)

Tone Control

Bass :  ±10 at 100 Hz ±10 dB

Treble :  ±10 at 10 kHz ±10 dB

Loudness Control:  9 dB  at 100 Hz ±1,5 dB; 6 dB  at 10 kHz ±1,5 dB

Filter

Low Cut Filter :  -8 dB  at 50 Hz ±1,5 dB

High Cut Filter :  -9 dB at 10 kHz ±1,5 dB

Crosstalk:  better than 50 dB

L-R Deviation:  within 2,5 dB Phono

Recording Output

Pin :  140 mV (-15 ±2 dB)

DIN :  25 mV (-30 ±2 dB)

General

Semiconductors:  38 Transistors; 3 FET; 5 ICs; 20 Diodes; 1 Zener Diodes; 2 Varistors

Power Source:  100 to 240 V , 50/60 Hz

Power Consumption:  Max 180 W

Dimensions (W x H x D):  454 x 155 x 330 mm (17,9" x 6,1" x 13")

Weight:  15 kg  (33 lbs)