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Onkyo TX-SR601

Home theater receiver with Dolby Digital EX, DTS-ES, and Pro Logic II (Silver)

Item # 580TXS601S

Combining rock-solid Onkyo construction, muscular 6-channel power, and two ultra-precise 32-bit processors for...

Combining rock-solid Onkyo construction, muscular 6-channel power, and two ultra-precise 32-bit processors for...

Discontinued item

Item # 580TXS601S

About the Onkyo TX-SR601

Combining rock-solid Onkyo construction, muscular 6-channel power, and two ultra-precise 32-bit processors for surround decoding, the TX-SR601 delivers dynamic, enveloping 360º home theater excitement. Dolby® Digital EX and DTS-ES® decoding provide 6.1 sound from any 5.1 Dolby Digital or DTS source. DTS Neo:6 modes let you convert older surround and stereo sources — including music — into convincing 6.1 audio. And 85 full-bandwidth-rated watts x 6 channels of high-current Onkyo power keeps your multichannel sound dynamic and pure.

Combining rock-solid Onkyo construction, muscular 6-channel power, and two ultra-precise 32-bit processors for surround decoding, the TX-SR601 delivers dynamic, enveloping 360º home theater excitement. Dolby® Digital EX and DTS-ES® decoding provide 6.1 sound from any 5.1 Dolby Digital or DTS source. DTS Neo:6 modes let you convert older surround and stereo sources — including music — into convincing 6.1 audio. And 85 full-bandwidth-rated watts x 6 channels of high-current Onkyo power keeps your multichannel sound dynamic and pure.

192kHz/24-bit DACs deliver incredible sound from all your digital sources. Dual-room/dual-source output lets you enjoy full surround sound in your main room while a housemate listens to a different stereo source in a 2nd room. (Shelf system, receiver, or powered speakers required in 2nd room). Or, step to stereo sound in your main room, and the 'SR601 can power your 2nd-room speakers!

The TX-SR601 offers plenty of inputs for all your digital and analog components, including component video switching for 2 sources, 4 digital inputs, an optical digital output, and 5 A/V inputs with S-video. Composite-to-S-video conversion simplifies hookup to your TV. The on-screen display and learning/multibrand remote keep you in total control of your entire A/V system.


  • 85 watts x 6 into 8 ohms (20-20,000 Hz) at 0.08% THD
  • Dolby Digital EX, DTS-ES and Pro Logic II decoding
  • DTS Neo:6 modes
  • dual 32-bit processors
  • Wide Range Amplifier Technology
  • dual-room/dual-source audio (powered and preamp stereo output for 2nd room)
  • composite-to-S-video conversion
  • 192kHz/24-bit DACs
  • learning/multibrand remote
  • CinemaFILTER (adjusts tonal characteristics of soundtracks recorded for movie theaters for a home theater setting)
  • component video switching: 2 in, 1 out (50MHz bandwidth)
  • digital inputs: 3 optical (including 1 front-panel), 1 coaxial
  • optical digital output
  • 2 audio, 5 A/V (including 5 S-video, 1 front-panel, and one 5.1-channel) inputs
  • on-screen display (requires TV with direct video input)
  • 40 AM/FM presets
  • banana plug-compatible binding posts for all speakers
  • aluminum front panel
  • oversized power transformer, filter capacitors and heat sinks
  • no phono input
  • 17-1/8"W x 6-15/16"H x 17-9/16"D
  • warranty: 2 years

What's in the box:

  • AM/FM/Dolby Digital/DTS receiver
  • RC-515M Wireless remote
  • 2 "AA" batteries
  • AM loop antenna
  • FM wire antenna
  • Instruction Manual
  • Basic Operation Guide
  • Product Registration/Warranty Card
  • Sheet of labels for cables

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More details on the Onkyo TX-SR601

Stacey B.

Features & specs

Number Of Channels N/A
Stereo RMS Power (watts) ---
THD in Stereo ---
Frequency Bandwidth (stereo) ---
Minimum Impedance L/R 6 ohms
Minimum Impedance Center 6 ohms
Minimum Impedance Surround 6 ohms
General Features
Bluetooth No
Apple AirPlay ---
Alexa-compatible No
Google Assistant-compatible No
Chromecast built-in No
DTS Play-Fi No
App Remote Control No
On-Screen Display
Auto Speaker Calibration ---
Multi-room Audio/Video
Powered Multi-room Audio Output No
Preamp Multi-room Audio Output No
Multi-room HDMI Output No
Total Number of Zones 2
Playback from Digital Audio Inputs No
Playback from Streaming Sources No
Surround Processing
Dolby Digital Yes
Dolby Atmos N/A
Dolby Atmos Height Virtualization ---
DTS:X ---
DTS Virtual:X ---
Inputs & Outputs
Phono Input No
Audio-Video Inputs 5
Audio-only Inputs 2
Component Video Inputs 2
Component Video Monitor Outputs 1
Optical Digital Inputs 3
Coaxial Digital Inputs 1
Optical Digital Outputs 1
Coaxial Digital Outputs None
Number of HDMI Inputs ---
HDMI Monitor Outputs ---
Subwoofer Outputs 1
Discrete Subwoofer Outputs No
Multi-Channel Analog Input No
Multi-channel Preamp Output No
Main Speaker Output Pairs Posts
Main Speaker Terminals Posts
Ethernet Port ---
USB Connections None
Removable Power Cord ---
Supports Wireless Rear Speakers No
HDMI Features
HDMI Version ---
VRR (Variable Refresh Rate) No
ALLM (Auto Low Latency Mode) No
4K/120Hz-Capable Inputs No
Audio Return Channel No
Video Upscaling No
HDR (High Dynamic Range) Support
HDR10 No
HDR10+ No
Dolby Vision No
Other Specs
FM Sensitivity 11.2 dBf
Multibrand Remote Control ---
Learning Remote Yes
Width (inches) 17.125
Height (inches) 6.884
Depth (inches) 17.5625
Weight (pounds) ---
Parts Warranty 2 Years
Labor Warranty 2 Years

Product Research

Remote Control
Inputs and Outputs Notes


WRAT (Wide Range Amplifier Technology): This technology uses low-negative-feedback circuit topology for accurate signal reproduction, improved dynamic signal-to-noise ratio, and better delivery of power peaks.

192kHz/24-Bit Digital-to-Analog Converters: This receiver is equipped with six 192kHz/24-bit DACs to decode and play high-resolution recordings.

Subwoofer Adjustable Crossover: This receiver has a built-in crossover for the subwoofer output. This setting is available when you tell the receiver that there is a subwoofer being used, or when you set your main speakers to "Small". The frequencies that you can choose from are: 60, 80, 100, 120, and 150Hz.

Composite to S-Video Conversion: This unit is equipped with a simple Y/C separation circuit and a simple Y/C mixing circuit. These circuits will up convert an incoming composite video signal to an S-video signal. This feature allows you to connect your television with a single S-video cable to the receiver's S-video monitor output.

Assignable Digital Inputs: The TX-SR601 has assignable digital inputs allowing you to tell the unit which input source is connected to which digital input jack.

Multichannel Input: Although this unit features built-in Dolby Digital, Dolby Pro Logic II and DTS processing, it also has a 5.1 multichannel input for use with external multichannel decoders.

Listening Modes: This receiver incorporates a wide variety of listening modes to bring you maximum enjoyment from your audio and video software. The listening modes include:

  • Dolby Digital
  • Dolby Digital EX
  • Dolby Pro Logic II (Movie and Music)
  • DTS
  • DTS-ES (Discrete 6.1 and Matrix 6.1)
  • DTS Neo:6 (Cinema and Music)
  • DTS 96/24
  • Mono Movie
  • T-D (Theater-Dimensional)
  • Enhance
  • Orchestra
  • Unplugged
  • Studio-Mix
  • TV Logic
  • All Ch Stereo

Front Effect: Some live recordings contain acoustic reverberation. When you play these sources, more reverberation will be applied by the DSP, creating too much reverb effects and the sound loses frame or presence. In this case, set this setting to "Off" so that no reverberation from the DSP will be applied to the sound output from the three front channels. With this setting, the sound source is played as it is without any further reverberation.

Reverb Level: This setting allows you to adjust the depth of acoustic reverberation to match the playback source material and the acoustics of your room. The reverb level may be set to Low, Mid, or High.

Reverb Time: You can adjust the reverb time to match the source being played back and the acoustics of the room. You can select a setting of Short, Mid, or Long.

Front Expander: In the Theater-Dimensional mode, this feature spreads out the sound from the front speakers for the feeling of a wide sound space.  This can be turned on or off.

Virtual Surround Level: In the Theater-Dimensional mode, this setting adjusts the level of the virtual surround signal. This can be set from -3 to +3 decibels. Lowering this setting can improve the sound when the definition is unclear or when the sound feels unnatural.

Dialog Enhance: If the dialog from the center channel is difficult to hear in the Theater-Dimensional mode, you can use this setting to improve the clarity.

Direct Mode: This mode delivers pure sound with minimal sound quality adjustment and filtration. The sound recorded for the right and left front channels is output to the right and left front speakers only and not output to the subwoofer.

CinemaFILTER Circuitry: This circuitry provides a subtle high-frequency rolloff for proper playback of soundtracks in the home. This feature provides the means to easily remove excess treble response from soundtracks that were originally equalized to sound best in a large theater. This function only works in the Dolby Digital, Dolby Digital EX, Dolby Pro Logic II Movie, DTS, DTS-ES Discrete 6.1, DTS-ES Matrix 6.1, and the DTS Neo:6 surround modes.

"Late Night" Feature: The "Late Night" feature limits the dynamic range of Dolby Digital recordings that have been encoded with dynamic range data. Limiting the dynamic range makes it easier to find a volume control setting that ensures the quiet sounds are not too quiet and the loud sounds are not too loud for night time listening. The choices are: "High", "Low", and "Off". 

Note: This feature only works with Dolby Digital Encoded software and the depth of the feature will vary based on the individual software package.

"IntelliVolume" Setup: the "IntelliVolume" setup function allows you set a volume correction value in the range of -12dB to +12dB, in 1dB increments, for each source to prevent large jumps in volume when switching from one source to another. This feature eliminates the inconvenience of manually readjusting the volume control each time you switch from a source with a weak signal to a source with a strong signal and vice versa.

Zone 2 Outputs: This receiver allows you to listen to two different audio sources in two separate zones simultaneously. The remote zone (Zone 2) outputs are both powered and pre-amp level, allowing you to connect a set of stereo speakers directly to the receiver's Zone 2 speaker outputs, or connect a separate amplifier or self-powered speakers to the Zone 2 preamp outputs. With an optional IR remote control repeater system, you can independently select the Zone 2 input source and control the volume of the Zone 2 outputs.

Sleep Function: From the remote, you can set the unit to automatically turn off after as much as 90 minutes or as little as 10 minutes; choices are presented in 10 minute increments.

Display Dimmer: The display illumination can be set to Normal, Dark or Very Dark.

Remote Control

Multibrand/Learning Remote with Joy Stick Button: The remote is pre-programmed to operate Onkyo CD, DVD, MD, and cassette players. In addition, the remote is pre-programmed to operate other popular brands of equipment, including DVD players, satellite receivers, cable boxes, VCRs, and televisions. Also, the remote can learn up to a total of 357 commands from infrared remotes of other brands of equipment. The actual number of commands the remote can learn may vary depending on the particular codes learned. A joystick button simplifies menu navigation and doubles as an "enter" button.

Macros:  2 macros, consisting of as many as 16 button operations each, can be programmed into this remote. With the press of a single button, each macro will perform a series of up to 16 button operations in sequence.

Inputs and Outputs Notes

Headphone Output: This receiver has a standard headphone output on the front panel.

Speaker Outputs: There are binding post connectors for the left front, right front, center, left surround, right surround, left zone 2, right zone 2, and surround back speakers. The binding posts are not 5-way because a plastic collar prevents their use with spade lugs.

IR In: The IR in jack allows you to control the Zone 2 output from the second room by purchasing an optional IR remote control system and locating the remote sensor in the Zone 2 room.

RI Remote Control Jack: The 1/8" RI remote control jack allows you to connect this receiver to compatible Onkyo components.

12V Trigger Out (Zone 2): When the TX-SR601 is in the Zone 2 mode, this terminal outputs at 12V and 100 mA. If a component in the remote zone has a 12V Trigger In terminal, connect it to this jack so that it is turned on automatically when the Zone 2 mode is selected.

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