Speciﬁcations, Ampliﬁer Section, Video Section

Speciﬁcations

Ampliﬁer Section

Power Output	90 W + 90 W
2 channel driven:	90 W + 90 W
	(8 Ω, 20 Hz–20 kHz, FTC)
Dynamic Power	225 W + 225 W (3 Ω, Front)
	175 W + 175 W (4 Ω, Front)
	105 W + 105 W (8 Ω, Front)
THD (Total Harmonic
Distortion)	0.08 % (Power Rated)
Damping Factor	60 (Front, 1 kHz, 8 Ω)
Input Sensitivity and	200 mV/47 kΩ (LINE)
Impedance	200 mV/47 kΩ (LINE)
Output Level and	200 mV/470 Ω (REC OUT)
Impedance	200 mV/470 Ω (REC OUT)
Frequency Response	10 Hz–100 kHz/+1 dB-3 dB (Direct
	mode)
Tone Control	±10 dB, 50 Hz (BASS)
	±10 dB, 20 kHz (TREBLE)
SN Ratio	106 dB (LINEIHF-A)
Speaker Impedance	6Ω–

Video Section

Input Sensitivity/Output

Level and Impedance 1 Vp-p/75 Ω (Component and S-Video Y)

0.7Vp-p/75 Ω (Component Pb/Cb, Pr/Cr)

0.28Vp-p/75 Ω (S-Video C) 1 Vp-p/75 Ω (Composite)

Component Video
Frequency Response	5 Hz – 50 MHz
Tuner Section

■ FM
Tuning Frequency Range	87.5 MHz– 107.9 MHz
Usable Sensitivity	Stereo: 22.2 dBf (75 Ω IHF)
	Mono: 11.2 dBf (75 Ω IHF)
S/N Ratio	Stereo: 67 dB (IHF-A)
	Mono: 73 dB (IHF-A)
THD	Stereo: 0.5 % (1 kHz)
	Mono: 0.3 % (1 kHz)
Frequency Response	30 Hz–15 kHz / ±1 dB
Stereo Separation	40 dB (1kHz)
■ AM
Tuning Frequency Range	530 kHz–1710 kHz
Usable Sensitivity	300 µV
S/N Ratio	40 dB
THD	0.70%

General

Power Supply	AC 120 V, 60 Hz
Power Consumption	7A
Stand-by Power
Consumption	0.1 W
Dimensions (W x H x D) 435 W x 174 H x 377 D mm
	17-1/8" W x 6-7/8" H x 14-13/16" D
Weight	11.0 kg
	24.3 lbs

■ Video Inputs

Component Video Input 1,2,3

S-Video Compatible Jack
Input	DVD, VIDEO1, VIDEO2, VIDEO3,
	VIDEO4
A/V Input	DVD, VIDEO1, VIDEO2, VIDEO3,
	VIDEO4

■ Video Outputs

Component Video
Output	OUT
S-Video Compatible Jack
Output	MONITOR OUT, VIDEO1, VIDEO2
A/V Output	MONITOR OUT, VIDEO1, VIDEO2

■Audio Inputs

Digital Inputs	Optical: 4
	Coaxial: 2
Analog Inputs	DVD(MULTICHANNEL), VIDEO1,
	VIDEO2, VIDEO3, VIDEO4, TAPE, CD
Multichannel Inputs	6

■Audio Outputs

Digital Outputs	Optical: 1
Analog Outputs	TAPE, VIDEO1, VIDEO2, ZONE2
Subwoofer Pre Outputs	1
Speaker Outputs	9
Phones	1

■Other Jacks

IR Input	1
12V Trigger Out	1

Speciﬁcations and features are subject to change without notice.

TX-SR603X specifications

The Onkyo TX-SR603X is a versatile and powerful AV receiver that combines innovative technology with user-friendly features to create an immersive home theater experience. This model is designed to meet the demands of modern home entertainment systems while delivering excellent audio and video performance.

One of the standout features of the TX-SR603X is its support for various surround sound formats. With the capability to decode Dolby Digital and DTS, users can enjoy cinema-quality audio from their favorite movies, games, and music. The receiver also includes Dolby Pro Logic II, which enhances stereo soundtracks to provide a more enveloping listening experience.

The TX-SR603X is equipped with multiple inputs and outputs, allowing for seamless integration of various devices. With four HDMI inputs, it supports high-definition video and audio, making it easy to connect Blu-ray players, gaming consoles, and streaming devices. Additionally, the receiver features component video inputs and several analog audio inputs for added flexibility.

In terms of power, the TX-SR603X delivers impressive performance with its robust amplification system. It boasts five discrete amplifiers that output 75 watts per channel, ensuring that even the most demanding audio scenarios can be managed with ease. This power allows for clear and dynamic sound reproduction across a wide range of frequencies, enabling users to experience the full depth of their media.

Another key characteristic of the TX-SR603X is its user-friendly interface, which simplifies the setup process and daily operation. The receiver includes an intuitive on-screen menu that guides users through configuration settings and adjustments, making it easy for anyone to optimize their home theater experience. Additionally, the inclusion of Audyssey MultEQ ensures automatic room calibration, allowing the receiver to adapt its performance to the unique acoustics of the listening environment.

For those who value flexibility in their audio playback, the TX-SR603X supports various audio streaming options, including the ability to access digital music via USB. Users can easily connect their USB devices to play their favorite tracks directly through the receiver.

In summary, the Onkyo TX-SR603X stands out as a feature-rich AV receiver that caters to both audiophiles and casual users alike. With its powerful amplification, support for modern surround sound formats, extensive connectivity, and user-friendly setup, it is an excellent choice for anyone looking to enhance their home entertainment system.

Onkyo TX-SR603X Speciﬁcations, Ampliﬁer Section, Video Section, Tuner Section, General

Models: TX-SR603X