YAMAHA AX-592
¥ 49,800 (released in June 1997)
Commentary
A pre-main amplifier with a discrete CD direct amplifier.
In order to realize high sound quality of CD, a CD direct amplifier is mounted.
In this system, a CD direct amplifier with ultra-low noise is mounted immediately after the input terminal to reduce noise in actual use. Moreover, the AX-592 uses a discrete circuit to reduce noise in actual use to 1 / 3 and keep output impedance low.
Yamaha's original linear damping circuit has been adopted, and the internal impedance has been thoroughly reduced by using a lot of extremely thick wires, etc., so that a stable damping factor independent of the frequency change of the source can be realized.
In addition, a powerful LiD (low-impedance drivability) power supply is used for the power supply section, and a large transformer and large electrolytic capacitor provide stable drive capability even if the impedance of the speaker decreases.
Equipped with a pure direct switch, the input signal can be directly connected to the power amplifier by bypassing circuits such as tone control.
The input selector contacts and CD input terminals are gold-plated.
The internal construction suppresses channel interference by making the circuit from the inlet to the outlet symmetrical.
In addition, the internal resistance of the amplifier is reduced by using the shortest circuit.
In order to suppress internal vibration and resonance that cause sound quality degradation, a unique vibration isolation base is mounted.
Equipped with a phono terminal that supports both MM and MC types.
The volume uses an electric volume.
It is equipped with tone control and continuous loudness.
It is equipped with two systems, a large speaker terminal for extremely thick cable and a speaker terminal for banana plug.
Built-in pre-out and main in terminals.
It comes with a system remote control that allows you to operate Yamaha components such as CDs.
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Model Rating
| Type | Pre-main amplifier |
| Rated Output (20 Hz ~ 20 kHz) | 120W + 120W (6 Ω, 0.03% strain) |
| Dynamic Power | 290W + 290W (2 Ω) |
| Frequency characteristic | 20 Hz to 20 kHz ± 0.5 dB (CD, Main in, other) |
| Signal-to-noise ratio | Phono MM:86dB Phono MC:70dB CD : 110 dB (CD direct) |
| Damping factor | 320 (20 Hz ~ 20 kHz, 8 Ω) |
| Power consumption | 180W |
| External dimensions | Width 435x Height 151x Depth 396 mm |
| Weight | 10.6kg |
| Attachment | Wireless Remote Control |