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Onkyo® Network Stereo Receiver-TX-8140

Model #: TX-8140
124869
Onkyo
At a Glance

Delivering 80 W/Ch of high-current power from a fully discrete low-impedance amplification system, the TX-8140 plays all your audio sources with pure dynamic energy. Connectivity is outstanding: you can route TV sound via coaxial/optical inputs, stream music from mobile or PC over Wi-Fi®, play MP3s from flash drive via USB, or pair and stream audio from almost any application using Bluetooth technology.

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Get to know this product.

  • 80 W/Ch (8 Ohms, 20 Hz-20 kHz, 0.1% THD, 2 Channels Driven, FTC)
  • 110 W/Ch (6 Ohms, 1 kHz, 0.1% THD, 1 Channel Driven, FTC)
  • Built-in Bluetooth® & Wi-Fi®
  • Phono Input
  • Hi-Current Amp Design
  • A/B Speakers
  • 4 Quick-Access Presets
  • 384 kHz/32-bit Hi-Grade DAC

Realistic & Clean Audio

High current enables masterful control of the speakers for extremely accurate and dynamic sound. It's the cornerstone of our Wide Range Amplification Technology system, and it creates an uncommonly well-focused and realistic audio image.

The TX-8140 delivers superb stereo power at 80 W/Ch (8 Ohms, 20 Hz-20 kHz, 0.1%, 2 Channels Driven, FTC) 110 W/Ch (6 Ohms, 1 kHz, 0.1%, 1 Channel Driven, FTC).

Bluetooth / Wi-Fi® with Pandora and Spotify

The TX-8140 has Wi-Fi and Bluetooth technologies built in. The free Onkyo Remote app puts a range of streaming options at your fingertips, from universal hi-res audio via network-attached devices to internet streaming services to music on your smartphone and tablet. Or pair up and enjoy whatever's playing on your Bluetooth-compatible device for huge cinematic sound.

It also comes loaded with Spotify, Pandora, SiriusXM Internet Radio, Slacker and TuneIn. You can select a station and search for music available on these services via the Onkyo Remote app on your phone. You'll never be short of your favorite music to enjoy.

Great Sound From Any Format

An Asahi Kasei AK4452 digital-to-analog converter unlocks the full potential of any audio format with its unique low-distortion sound-enhancing filtering technologies.

Hi-Res Clarity & Detail

The TX-8140 is engineered for universal Hi-Res compatibility and ease of use. Use the remote app to select your 192/24 or 5.6 MHz DSD files on PC or NAS and bask in the clarity and detail of high-resolution music.

Quick Access Presets

Get instant access to four of your favorite FM/AM or internet radio stations at the touch of a button. Four preset buttons on the faceplate go straight to the stations. You can even wake up the receiver from standby mode by pressing one of these buttons for instant radio.

Rediscover the Magic of Vinyl

Hi-current amplification brings out the best in your vinyl records. Just connect your turntable to the phono input. The TX-8140 will faithfully reproduce vinyl's authentic stereo sound.

Supplied Accessories

  • Indoor FM antenna
  • Remote controller
  • AM loop antenna
  • AAA (R03) batteries x 2
  • Instruction manual
Specifications

Amplifier

Power Watts/Ch (6 Ohms 1kHz, 1 Channel Driven, FTC)110, 0.1% THD
Power Watts/Ch (8 Ohms 20-20kHz, 2 Channels Driven, FTC)80, 0.08% THD
Dynamic Power190 W (3 Ohms, Front) / 170 W (4 Ohms, Front) / 110 W (8 Ohms, Front)
THD + Noise0.08 % (20hz-20kHz, Half power)
Non-Phase-Shift Amp DesignYes (for Realistic Sound Imaging)
6 Ohm CapableYes
4 Ohm CapableYes
DirectYes
384K/32 Bit DACsYes (Asahi Kasei AKM4452)
Frequency Response10 Hz-100 kHz (+ 1 dB, -3 dB) (Direct Mode)
S/N Ratio106 dB (IHF-A, Line In, Speaker Out) / 80 dB ( IHF-A, Phono In, Speaker Out)
Phono Overload (1 kHz)70 mV (MM, 1 kHz, 0.5%)

Tuner Section

FM87.5 MHz–107.9 MHz
AM530 kHz–1,710 kHz
FM/AM Preset Memory40 Stations (Plus 4 Faceplate BGM Presets)

General

Power SupplyAC 120 V˜, 60 Hz
Power Consumption2.7 A
Standby Power Consumption0.2 W
No-Sound Power Consumption50 W
Network Standby Power Consumption2.9 W
Dimensions (W x H x D)17 1/8" x 5 7/8" x 12 15/16" (435 x 149 x 328 mm)
Weight18.3 lbs. (8.3 kg)

Connectivity

Audio Input/Output6/1
Phono InputYes
Digital Audio IN (Opt/Coax)4/4
Auto Power On When Signal is DetectedYes (via Optical)
Speaker A/+BYes
Subwoofer Pre-outYes
Headphone JackYes

Network / USB

Internet Radio CapableYes (TuneIn Radio, Pandora, Slacker, SiriusXM Internet Radio, Spotify, and Deezer)
Spotify Connect SupportYes
Streaming Audio From PC / NetworkYes (DLNA, Home Media)
Hi-Res Streaming Audio FormatsYes (Apple Lossless, DSD 2.8/5.6 MHz, Dolby TrueHD, FLAC 192/24, LPCM, Ogg Vorbis, WAV, WMA)
Supports Onkyo Remote AppYes (iPod Touch/iPod & Android-Powered Devices)
Wireless NetworkYes (Wi-Fi Certified)
USB InputYes (Front)
Firmware Updates via Network/USBYes / Yes

Miscellaneous

Quick Access BGM PresetsYes (x4)
Number of AM/FM Presets40
Preset Station NamingYes
Direct Access TuningYes
Automatic/Manual TuningYes
Sleep TimerYes
IR InputYes
IR OutputYes
RI-Compatible Remote ControlYes
Warranty2 YEARS

Misc. Specs

Product Weight18.3
Depth (in.)12.94
Width (in.)17.13
Height (in.)5.88
Channels2
BluetoothYes
Manufacturer Warranty2 Year
Wifi ConnectivityYes
Smart CompatibleYes
Wifi CapableYes
Bluetooth CapableYes
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