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What is stereo?




There are now two system of high fidelity, monophonic (monaural) and stereophonic. Monophonic is a system that starts from one microphone and is fed through a single high fidelity set. Stereophonic is a double system. Two separate microphones are placed at different sides of the orchestra and two different systems are used to keep the two signals or channels separated. Two separate speakers are used, placed on different sides of you room. Stereo is much like 3-D photography, two slightly different sound reach your ears giving you a new dimension in sound.



H.H. Scott '59





Akai AA-500 amplifier

Solid State Stereo Pre-Main Amplifier

Outstanding Features:

Silicon power transistors for the final stage obtainable highest performance and temperature characteristics.

"E.P.C." (Elactronics Protection Circuit), protecting the power transistors from damage in case of short circuit at the output terminals.

Completely O.T.L. system, distortion-free, well damped reproduction.

110 W music power

Direct reproduction from the tape head by equalizer for head.

Independent filters for high and low also tone controls for right and left respectively.

Low power consumption and instant functioning by "All transistor system".

Little heat radiation

Headphone and DIN jack

 


Specifications

Output Music Power: 

2 x 55 W at 8 Ω  load (distortion 1%, 1 kHz)

2 x 32 W at 16 Ω  load (distortion 1%, 1 kHz)

Output Rated Power:

2 x 35 W at 8 Ω  load (distortion 1%, 1 kHz)

2 x 23 W at 16 Ω  load (distortion 1%, 1 kHz)

Frequency Response:  20 to 35,000 Hz ±1 dB aith 8 Ω  load from Aux terminal

Sensitivity (for 1 kHz 8 Ω  rated power output):

Tape Head :  1,5 mV (Residual Noise Below 30 mV)

Phono :  3 mV (Residual Noise Below 30 mV)

Tuner :  400 mV (Residual Noise Below 15 mV)

AUX :  400 mV (Residual Noise Below 15 mV)

Tape Monitor :  (Residual Noise Below 15 mV)

Tone Control (CR Type)

Bass :  50 Hz ±14 dB

Treble :  10 kHz ±11 dB

Low Filter:  -8 dB/50 Hz

High Filter:  -8 dB/10 kHz

Loudness Control:  +8 dB at 100 Hz, +8 dB at 10 kHz

Equalizer NF Type :  RIAA for Phono NAB for Tape Head ( 50 µ sec. 19 cm/sec.)

Semiconductors:  28 Transistors; 6 Diode; 3 Thermistor

Power Requirements:  AC 110 to 240 V, 50/60 Hz

Power Consumption:  17 W at full volume state

Dimensions (W x H x D):  430 x 135 x 270 mm ( 17" x 5-3/8" x 10-5/8")
weight:  8 kg (17,6)


 

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