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Front & Rear Panels

Front Panel

1 2 3 4

5 6

7

STANDBY/ON

ON(G)

STANDBY(R)

M D

LINE

C D

TUNER

PHONO

TAPE/CDR

POWER

 

 

SUPER BASS

BASS

TREBLE

 

PHONES

A

B

 

MAX

TO N E ( R )

MAIN IN

ON OFF

 

SPEAKERS

 

DIRECT (G )

 

8 9 0 A B C D

For detailed information, refer to the pages in parentheses.

APOWER switch (17)

This is the main power switch. When set to OFF, the A-933 is completely shutdown. When set to ON, the A-933 can be set to On or Standby.

BSTANDBY/ON button (17)

This button is used to set the A-933 to On or Standby. For models with a [POWER] switch, this button has no effect unless the [POWER] switch is set to ON.

CSTANDBY indicator (17)

This indicator lights up when the A-933 is in Standby mode.

DRemote control sensor (9)

This sensor receives control signals from the remote controller.

EInput selector (17)

This control is used to select from the following input sources: PHONO, TUNER, CD, LINE, MD, or TAPE/CDR.

FInput selector indicator (17)

JSUPER BASS control (18)

This control is for adjusting the level of very-low bass sounds.

KBASS control (18)

This control is for adjusting the level of bass sounds.

LTREBLE control (18)

This control is for adjusting the level of treble sounds.

MTONE(R)/DIRECT(G) button & indicator (18)

This button is used to select Tone mode or Direct mode. The indicator lights up red (R) in Tone mode; green (G) in Direct mode.

NMAIN IN button & indicator (19)

When the A-933 is used as a power amplifier with a separate preamp, this button is used to set the MAIN IN function. The indicator lights up blue while the MAIN IN function is on.

These indicators show the currently selected input source.

GVOLUME control (18)

This control is used to adjust the volume of the A-933.

HPHONES jack (18)

This phone jack is for connecting a standard pair of stereo headphones for private listening.

ISPEAKERS A/B buttons & indicators (17)

These buttons are used to select which speaker set, A or B, outputs sound. The indicators show if each speaker set is on or off.

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Onkyo A-933 instruction manual Front & Rear Panels, Front Panel

A-933 specifications

The Onkyo A-933 is a high-performance integrated amplifier designed for audiophiles who demand superior sound quality and versatility from their audio equipment. With its classic design and modern technology, the A-933 stands out in the realm of home audio solutions.

At the heart of the Onkyo A-933 is a powerful amplification section that delivers a robust 80 watts per channel at 4 ohms, ensuring clear and dynamic sound reproduction suitable for various listening environments. The A-933 employs a discrete output stage to provide low distortion and high current capability, making it perfect for driving a wide range of speakers, including those that may be more demanding in terms of power.

One of the key features of the A-933 is its comprehensive connectivity options. It offers multiple analog inputs, including dedicated phono input for turntables, allowing users to enjoy their vinyl collection seamlessly. Additionally, the amplifier includes a variety of digital inputs, including optical and coaxial connections, making it compatible with a range of digital sources like CD players, televisions, and streaming devices.

To further enhance sound quality, the A-933 incorporates Onkyo’s high-current amplification technology, which optimizes power delivery and minimizes distortion. The amplifier also features customizable sound settings, including tone controls for bass and treble, allowing users to tailor their listening experience to their personal preferences.

Durability and build quality are also significant characteristics of the Onkyo A-933. It features a robust chassis designed to minimize interference and vibration, ensuring pure sound reproduction. The front panel is equipped with an easy-to-read display and intuitive controls, making operation straightforward for users of all experience levels.

Moreover, the A-933 supports various audio formats, thanks to its built-in USB digital input for high-resolution audio playback. Users can connect their computers or mobile devices to enjoy studio-quality sound from their digital music libraries.

Overall, the Onkyo A-933 integrated amplifier combines superior performance, versatile connectivity, and user-friendly features. It stands as a solid choice for those seeking to elevate their home audio systems, providing a rich and immersive listening experience that is sure to satisfy even the most discerning audiophiles.