Along with the growing popularity of custom home theater builds, the comparison of Marantz SR6014 and Onkyo TX-SR383 takes place. According to the results of our review, Marantz SR6014 received 9.2 points out of 10 possible, and Onkyo TX-SR383 was rated 4.8 points. The release date of SR6014 is 2019, and TX-SR383 is 2018. Based on the data on the characteristics and features of both models, we can conclude that SR6014 has better performance than TX-SR383.
For the built-in amplifier, the devices received different marks - 9 and 7, respectively, on a 10-point scale.
The number of channels is equal to the number of possible connected speakers. The Marantz SR6014 supports 9.2-channels sound, but Onkyo TX-SR383 supports a 7.2-channels configuration.
RMS stands for the actual power of the receiver. The higher this value, the louder the sound can be produced. The differences between the models in terms of RMS power are significant - for the SR6014 this value is 110/8 W/Ohm, and for the TX-SR383 it is 100/8 W/Ohm.
|Stereo power (RMS), W/Ohm||110/8, 185/6||100/8, 135/6|
|Output impedance, Ohm||8, 6||8, 6|
|THD in stereo, %||0.08||0.09|
After reviewing the audio features of each model, we can rate the SR6014 10 out of 10, and the TX-SR383 - 6.
Bi-amping is the amplification of one speaker with two amplifiers. This amplification method has a positive effect on sound quality. Bi-amping is possible only on the SR6014.
Pure Direct mode feeds sound directly to the amplifier and bypasses any DSP processing. Only Marantz SR6014 has Pure Direct mode.
Most receivers now come with a microphone included. It is with the help of this microphone that the auto-calibration system functions, which adjusts the sound of the receiver to the room.
Speaker A/B switching allows you to change between the main and sub speaker set. Marantz SR6014 can work with the main and additional set of speakers - and switch between them.
|Digital to analog converter (DAC)||AK4458 384 KHz/32-bit||192 KHz/24-bit|
|Pure direct (straight)||✔||✖|
|Auto speaker calibration||Audyssey MultEQ XT32||Audyssey MultEQ|
|Speaker A/B switching||✔||✖|
|Other audio features||Audyssey Dynamic Volume, Audyssey Dynamic EQ, Compressed Audio Enhancer(MDAX2), Hi-Res audio||Advanced Music Optimizer|
The connectivity of competitors in our comparison is markedly different, Marantz SR6014 scored 8, and Onkyo TX-SR383 scored 6 out of 10.
Bluetooth connection is now one of the main communication protocols for the receiver's control or even music broadcasting.
|USB||1 (USB 2.0)||1 (USB 2.0)|
Now music streaming services are gaining more and more popularity. They allow users to listen to millions of songs by subscription.
|Apple Music (AirPlay)||AirPlay, AirPlay 2||✖|
|Other streaming services||Deezer, TIDAL, Pandora, TuneIn Radio, iHeart Radio||has not|
The presence of many connectors makes the receiver more versatile. But there are also narrowly targeted models, the number of connectors which are limited to a certain area of use. And when choosing their own receiver, users need to consider exactly your goals for using the receiver. For extensive connection, Marantz SR6014 got 10 points, but Onkyo TX-SR383 received 6 points.
Marantz SR6014 is equipped with 8/3 HDMI inputs and outputs, and Onkyo TX-SR383 has 4/1 HDMI inputs and outputs.
HDMI eARC is the next step in the development of audio return channel technology, which works in conjunction with HDMI 2.1. Using eARC provides the highest sound quality for home audio systems. HDMI eARC is available only on Marantz SR6014.
The HDCP encryption protocol is now mandatory for most media devices. This security technology encrypts digital signals from one product to another. HDCP content-encryption protocol is present on Marantz SR6014 in the HDCP 2.3 version, and Onkyo TX-SR383 has the HDCP 2.2 version.
Connecting a vinyl player or phonograph is possible using a Phono input which is represented by mini-jack or RCA connectors. Only the SR6014 has a Phono interface.
|HDMI ARC (Audio Return Channel)||✔||✔|
|HDMI eARC (Enhanced Audio Return Channel)||✔||✖|
|Digital content protection (HDCP)||HDCP 2.3||HDCP 2.2|
|Subwoofer output (LFE)||2||2|
|Headphone output||1 x 6.3||1 x 6.3|
|Optical digital input||2||1|
|Coaxial digital input||2||1|
|Phono (MM) input||✔||✖|
|Front panel connectors||USB, HDMI, phones, setup mic, AUX||USB, phones, setup mic|
|Multi channel preamp output||✔||✖|
The AV receiver is the heart of the home theater. And in this case, support for all current video formats ensures the best user experience, so it is very important to consider this when choosing a device. Video features of the SR6014 were rated 10 out of 10 against the 6 for the TX-SR383.
Most of the AV receivers have a video scaling function, it is the process of reformatting the video signal to a higher resolution without losing the quality of the image. Upscaling the video signal resolution is possible only with Marantz SR6014.
|HDR (High Dynamic Range)||HDR10||✔|
|4K signal pass-through||4K/60Hz||4K/60Hz|
|8K signal pass-through||✖||✖|
|HDMI signal pass-through||✔||✔|
|3D signal pass-through||✔||✔|
|HDMI pass-through in standby mode||✔||✔|
|Video conversion||analog to HDMI||✖|
|Analog to HDMI scaling||✔||✖|
|HDMI to HDMI scaling||✔||✖|
|Other video features||HLG||DeepColor, x.v.Color, BT.2020, HLG|
In terms of evaluating additional features, the SR6014 got 10 points, but the TX-SR383 has 4.
Voice control allows you to control the basic functions of the receiver through a smartphone, smart speaker or using the microphone that comes with the kit. The SR6014 can be controlled by voice via Amazon Alexa, Google Assistant, Siri, Josh.AI. Only the Marantz SR6014 has the ECO mode.
|Voice control||Amazon Alexa, Google Assistant, Siri, Josh.AI||✖|
|App control||iPhone, iPad, iPod, Android, Amazon Kindle||iPhone, iPod, Android|
|Tuner||AM, FM||AM, FM|
|Auto power off||✔||✖|
|Graphical user interface (GUI)||✔||✖|
|Firmware update||network, USB||USB|
|Other additional features||IP Control, Web Control||has not|
As the center of a home media system, each multichannel receiver has an additional set of terminals for connecting the second set of speakers to create additional audio space in Zone 2 or even Zone 3 where audio can have the separate source.
|Zone audio output||speaker, preout||speaker|
|Zone HDMI output||✔||✖|
|Multi-room control||Marantz AVR Remote App, HEOS App||has not|
|Remote control input/output (IR)||1/0||0/0|
|DC trigger output (12V)||1||0|
Marantz SR6014 got 9 points for the multichannel surround sound and Onkyo TX-SR383 got 5.
Dolby Atmos' particularity is that this is the object-oriented sound format, that is, each audio signal object is independently sounded and connected to its spatial position. Marantz SR6014 can create 3D sound due to the Dolby Atmos support.
DTS:X is an algorithm used by the processor to create sound scenes, where sounds connected directly to objects rather than channels, and to determine the optimum sound output distribution in space. Surround sound with DTS:X is available only on the SR6014.
IMAX Enhanced is a licensing and certification program under which home theater devices deliver crisp 4K HDR pictures and powerful sound as it was designed by the IMAX engineers. Only the SR6014 licensed by IMAX.
|Dolby (other)||Dolby Digital Plus, Dolby Atmos Height Virtualization||Dolby Pro Logic|
|DTS HD Master||✔||✔|
|DTS (other)||DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS||has not|