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Marantz STEREO 70s review
When planning to purchase an AV receiver, a future user is faced with numerous questions that cannot always be dealt with without a specialist. We will try to answer many of these questions in a review of one of the receivers - Marantz STEREO 70s. During the review, we evaluated the technical characteristics and features of the device. 7 out of 10 - this is the estimate that we consider fair. The release of this receiver took place in 2023. The model from Marantz can process 2.2-channel sound.
Marantz STEREO 70s Pros
- ✔The receiver has a function of wireless connection to the Internet via Wi-Fi.
- ✔Bluetooth is now one of the key wireless communication protocols. In AV receivers, it is used for audio signal transmission or remote control. And it is in the model under review that Bluetooth support is implemented.
- ✔The presence of a USB port allows the receiver to play content from external media.
- ✔DLNA is a feature that gives the receiver the ability to transmit and receive various media content over the home network, as well as display it in real time.
- ✔Like any modern receiver, STEREO 70s has a Phono (MM) input for connecting a phonograph or turntable.
- ✔With 4K/120Hz pass-through support, it is possible to pass data through this model without degrading image quality.
- ✔The STEREO 70s is fitted with the 8K pass-through feature and able to send 8K signals directly to an 8K TV without degrading image quality.
- ✔ARC feature eliminates the need for an additional composite or optical cable when connecting this unit to a TV.
- ✔The manufacturer claims support for CEC in Marantz STEREO 70s and therefore you can control any HDMI-connected device using one remote control.
- ✔This receiver supports the data encryption protocol HDCP 2.3 which allows licensed devices to play high definition audio and video.
- ✔Can stream audio using the AirPlay protocol.
- ✔Has access to the Amazon Music network service.
- ✔Stream music from one of the most popular services Spotify directly on the Marantz STEREO 70s.
- ✔The main functions of this model can be controlled using voice control.
- ✔This receiver consumes less power thanks to ECO mode.
- ✔Marantz STEREO 70s uses bi-amping to amplify each dynamic in a speaker separately, resulting in clearer, better sound.
- ✔The reviewed receiver has a Pure Direct mode, when used it feeds sound directly to the amplifier and bypasses any DSP processing.
- ✔When using the STEREO 70s, it is possible to switch between the main and additional set of speakers - speaker A/B switching.
- ✔With the included microphone, the Marantz STEREO 70s can use the auto speaker calibration mechanism to create the most suitable soundstage.
Marantz STEREO 70s Cons
- ✖Dolby Atmos technology has not been included.
- ✖Can not manage the DTS:X surround format.
- ✖HDMI eARC function not implemented.
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Marantz STEREO 70s back and front view
Marantz STEREO 70s specs and features
Amplifier
| Channels | 2.2 |
| Stereo power (RMS), W/Ohm | 75/8, 100/6 |
| Output impedance, Ohm | 8, 6 |
| Frequency response | 10Hz-100KHz |
| THD in stereo, % | 0.08 |
Audio features
| Digital to analog converter (DAC) | 192 KHz/32-bit |
| Bi-amping | ✔ |
| Pure direct (straight) | ✔ |
| Auto speaker calibration | Audyssey MultEQ XT |
| Speaker A/B switching | ✔ |
| Other audio features | Audyssey Dynamic Volume, Audyssey Dynamic EQ, Compressed Audio Enhancer(MDAX2), Hi-Res audio |
Connectivity
| Wi-Fi | 2.4/5GHz |
| USB | 1 (USB 2.0) |
| Bluetooth | ✔ |
| Ethernet (RJ45) | 1 |
| DLNA | ✔ |
| MHL | ✖ |
Streaming services
| Apple Music (AirPlay) | AirPlay, AirPlay 2 |
| Amazon Music | ✔ |
| Spotify | ✔ |
| Other streaming services | Deezer, TIDAL, Pandora, SiriusXM, Napster, SoundCloud, Amazon Music, Amazon Music HD, MOOD:Mix |
Extensive connection
| HDMI input/output | 6/3 |
| HDMI ARC (Audio Return Channel) | ✔ |
| HDMI eARC (Enhanced Audio Return Channel) | ✖ |
| HDMI CEC | ✔ |
| Digital content protection (HDCP) | HDCP 2.3 |
| Subwoofer output (LFE) | 2 |
| Headphone output | 1 x 6.3 |
| Optical digital input | 1 |
| Coaxial digital input | 1 |
| Composite input | 0 |
| Component input/output | 0/0 |
| Phono (MM) input | ✔ |
| Front panel connectors | USB, phones, setup mic |
| Multi channel preamp output | ✔ |
Video features
| HDR (High Dynamic Range) | HDR10+ |
| 4K signal pass-through | 4K/120Hz |
| 8K signal pass-through | 8K/60Hz |
| HDMI signal pass-through | ✔ |
| 3D signal pass-through | ✔ |
| HDMI pass-through in standby mode | ✔ |
| Video conversion | ✖ |
| Analog to HDMI scaling | ✖ |
| HDMI to HDMI scaling | ✔ |
| Dolby Vision | ✔ |
| Other video features | Dynamic HDR, Variable Refresh Rate, Quick Frame Transport, Auto Low Latency Mode |
Additional features
| Voice control | Amazon Alexa, Google Assistant, Siri, Josh.AI |
| App control | iPhone, iPad, iPod, Android |
| Display | colour OSD |
| Tuner | AM, FM |
| Sleep timer | ✔ |
| Auto power off | ✔ |
| ECO mode | ✔ |
| Graphical user interface (GUI) | ✔ |
| Setup assistant | ✔ |
| Firmware update | network, USB |
| Other additional features | IP Control, Web Control, App Control |
Multi-room
| Multi-room zones | 1 |
| Zone audio output | speaker |
| Zone HDMI output | has not |
| Multi-room control | Marantz 2016 AVR Remote, HEOS App |
| RS-232 | 0 |
| Remote control input/output (IR) | 0/0 |
| DC trigger output (12V) | 0 |
Multichannel surround
| Dolby Atmos | ✖ |
| Dolby TrueHD | ✖ |
| Dolby Surround | ✖ |
| Dolby (other) | has not |
| DTS:X | ✖ |
| DTS HD Master | ✖ |
| DTS Virtual:X | ✖ |
| DTS Neural:X | ✖ |
| DTS (other) | has not |
| Auro-3D | ✖ |
| IMAX Enhanced | ✖ |
| Multichannel stereo | ✖ |
Audio file formats
| MP3 | ✔ |
| WMA | ✔ |
| AAC | ✔ |
| WAV | ✔ |
| FLAC | ✔ |
| ALAC | ✔ |
| Other audio file formats | AIFF, DSD |
Power
| Operational power consumption, W | 210 |
| Standby consumption, W | 0.1 |
| Removable power cord | ✔ |
Dimensions
| Size W x H x D, cm/inches | 17.4x14.7x4.3 / 44.1x37.3x10.9 |
| Weight, kg/lbs | 8.8/19 |
Other
| Release year | 2023 |
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