Onkyo TX-SR309

GENERAL
Brand	Onkyo
Model	TX-SR309
Type	A/V Receiver
Country	USA
Release Year	2011
Successor	Onkyo TX-SR313

AMPLIFIER
Channels	5.1
Power Output	65 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
WRAT (Wide Range Amplifier Technology)
VLSC (Vector Linear Shaping Circuitry)
Optimum Gain Volume Circuitry
THX™ Certification
Continuous 6 Ω Rated
Certified 4 Ω Performance
Discrete Output Stage Circuitry
3-Stage Inverted Darlington Circuitry
PUSH-PULL Design
Independent Block Construction (Amp/Preprocessor)
Bi-amp Capability
BTL (Bridged Transless or Bridging)

AUDIO FEATURES
Digital Processing Crossover Network
Digital Signal Processing (DSP) Engine	Advanced 32-Bit Processing DSP Chip
DAC	Burr-Brown
DAC Specs	192 kHz/24 Bit
Maximum Channel Processing	5.1
Air Studios Monitor Certification
Dolby Atmos
Dolby Atmos Height Virtualization
Dolby Atmos Music
Dolby TrueHD
Dolby Digital Plus
Dolby Surround Upmixer
Dolby Pro Logic	PLII
Dolby Digital EX
Surround EX
DTS:X
DTS Neural:X
DTS Virtual:X
DTS Neo	Neo:6
DTS-HD Master Audio
DTS-HD High Resolution Audio
DTS 96/24
DTS Express
DTS-ES
IMAX Enhanced
Auro 3D with Auro-Matic Upmixer
PCM	2-ch/Multi-ch Input
Music Playback via USB	FLAC, WMA, MP3, AAC
High Resolution Music Playback via USB and/or Network
High Resolution Audio Formats via USB
Gapless Playback
DSD via HDMI	2-ch/Multi-ch Input
DSD via USB
DSD to PCM Converter
USB DAC
Jitter Reduction	PLL (Phase Locked Loop) Jitter-Cleaning Circuit Technology for S/PDIF Audio
DTS Dialogue Control
Dialog Enhancement
Dialog Level Adjustment
Dialog normalization
Dialogue Lift
Tone Control	Front L/R Channels
Compressed Music Enhancer	Advanced Music Optimizer
High-resolution Music Enhancer
THX Processing Mode
Audyssey Dynamic EQ
Audyssey Dynamic Volume
Audyssey LFC
Audyssey Sub EQ HT
Audyssey DSX
Phase-Matching Bass Boost
Direct Mode
Pure Audio Mode
Pure Direct Analog Path Mode
Virtual Speakers	T-D (Theater-Dimensional)
Independent Subwoofer Outputs

CALIBRATION
Auto Speaker Calibration System with Mic.

VIDEO FEATURES
HDR10
HDR10+
Dynamic HDR
BT.2020 color space
Dolby Vision
HLG (Hybrid Log Gamma)
HDBaseT Compatible
Enhanced Audio Return Channel (eARC)
QMS (Quick Media Switching)
ALLM (Auto Low Latency Mode)
VRR (Variable Refresh Rate)
QFT (Quick Frame transport)
3-D Ready
Video Signal Passthrough	up to 1080p
Video Signal Upscaling
Analog To HDMI Upconversion
Component Video Upscaling
Analog to Analog Video conversion
isf Certified Calibration Control

CONNECTIVITY
Wi-Fi
Bluetooth
Works with Amazon Alexa
Chromecast Built-In
Works with SonoS
DTS Play-Fi
MHL Input
DLNA 1.5
AirPlay
Apple Product Connection	iPod and iPhone via USB or optional DS-A4 Dock (sold separately)
Remote App
InstaPrevue Input Source Prevue

TERMINALS
HDMI Inputs	3
HDMI Outputs	1
8K Inputs
USB Input	1 Front
USB DC Out Port
Optical Inputs	2
Optical Outputs
Coaxial Inputs	1
RCA Line Inputs	6 (1 front)
RCA Line Outputs	1
XLR Line Inputs
Phono Input
Multi-Channel Input
RCA Pre-Outs	0.1
XLR Pre-outs
Composite Video Inputs	5 (1 front)
Composite Video Outputs	2
S-Video Inputs
S-Video Outputs
Component Video Inputs	2
Component Video Outputs	1
Ethernet
Ethernet Switch
PC In
Front A/V Inputs	USB, Composite Video, RCA Audio
Speaker A/B
Headphone Out	6.3 mm (1/4")
Detachable Power Cord
uport

ZONES
Number of Zones	1
Whole House Mode
RS-232C Interface
+12V Trigger Output
Remote (IR) Input/Output

MISCELLANEOUS
On-Screen Display	Basic Overlay
ONKYO-RI System Control
RIHD (Remote Interactive Over HDMI)
Pre-Pro/Learning Remote	/
On Screen Remote Programming
Bi-directional Remote Setup via GUI
Activity Based Remote
Smart Grid-Ready

RADIO
Analog Tuner	FM/AM
Presets	40
Digital Radio
Internet Radio
Pandora
Spotify
Tidal
Deezer
Napster
SiriusXM

CONSTRUCTION
Solid Aluminum Front
Speaker Terminals	7
Large Speaker Terminals	0
Color-Coded Speaker Terminals
Transparent High-Grade Speaker Terminals
Gold plated RCA terminals

POWER
Power Supply	AC 120 V, 60 Hz
Independent Power Supply
H.C.P.S. (High Current Power Supply)	Massive High Power Transformer
Toroidal Transformer
Power Consumption	3.3 A
No Sound Power	40 W
Standby Power	0.2 W

PHYSICAL
Dimensions (W x H x D)	435 mm x 150 mm x 328 mm 17-1/8" x 5-7/8" x 12-15/16"
Weight	7.5 kg (16.5 lbs)

SPECIFICATIONS
Power Output (8 Ω, 20 Hz - 20 kHz, 2 channel driven, FTC)	65 W (0.7% THD)
Power Output (6 Ω, 1 kHz, 2 channel driven, FTC)	90 W (0.9% THD)
Maximum Effective Power Output (6 Ω, 1 kHz, 1 channel driven, JEITA or IEC)	120 W
Rated Power Output (6 Ω, 1 kHz, 1 channel driven, IEC)	100 W (1% THD)
Dynamic Power per Channel (3 Ω, Front)	160 W
Dynamic Power per Channel (4 Ω, Front)	125 W
Dynamic Power per Channel (8 Ω, Front)	85 W
THD	0.08% (20 Hz - 20 kHz, Half power)
Damping Factor	60 (Front, 1 kHz, 8 Ω)
Input Sensitivity and Impedance (Line)	200 mV/47 kΩ (Line)
Rated Lineout Level and Impedance	200 mV/2.2 kΩ (REC OUT)
Maximum Lineout Level and Impedance	2 V/2.2 kΩ (REC OUT)
S/N Ratio (Line, IHF-A)	100 dB
Frequency Response (Analog In)	20 Hz - 50 kHz/+1 dB, -3 dB (DSP bypass)
DSD Sampling Rates via HDMI	2.8 MHz
Video Input Sensitivity/Output Level and Impedance	1 Vp-p/75 Ω (Component Y) 0.7 Vp-p/75 Ω (Component PB/CB, PR/CR) 1 Vp-p/75 Ω (Composite)
Video Frequency Response	5 Hz - 100 MHz/+0 dB, -3 dB (Component)
Ethernet Standard
FM Frequency	87.5 MHz - 107.9 MHz
AM Frequency	522/530 kHz - 1611/1710 kHz
Warranty	2 Years

* - 480i/576i and 480p/576p only
** - 480i/576i only
*** - no 1080p/24 upconversion
**** - 1080p signal is not converted

For a full review please go to the review page: