Onkyo TX-SR373 vs Onkyo TX-SR353

      Onkyo TX-SR373

      Onkyo TX-SR353
      70
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      68
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      North America
      Europe
      North America
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      Highlights

      • 5.1 Channels
      • 5.1 Channel Processing
      • 80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
      • HDR10, Dolby Vision
      • 4K/60Hz Passthrough
      • Bluetooth

      Highlights

      • 5.1 Channels
      • 5.1 Channel Processing
      • 80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
      • HDR10
      • 4K/60Hz Passthrough
      • Bluetooth

      Disclosure: We earn money from the affiliate links to products associated with content in this article.

      Table of Contents
      1. Overview
      2. Pros and Cons
      3. Advantage of Onkyo TX-SR373
      4. Common Strengths and Weaknesses
      5. Amplifier
      6. Speaker Configurations
      7. Immersive Audio Formats
      8. HDMI
      9. Inputs and Outputs
      10. Evaluations
      11. Specifications

      1. Overview

      Here we are comparing Onkyo TX-SR373 to Onkyo TX-SR353 to reveal their common strengths and weaknesses as well as the differences between them which will help you in making a correct decision before the purchase. Both receivers have 5 channel amplifiers with Onkyo TX-SR373's being more powerful.


      Onkyo TX-SR373 Onkyo TX-SR353

      Onkyo TX-SR373 was introduced in 2017. It is equipped with 5 channel amplifier with 80 W (8 Ω, 20 Hz - 20 kHz and 2 channel driven) power per channel and is capable of 5.1 maximum channel processing. It , passes 4K/60Hz video signal.

      Onkyo TX-SR353 was introduced in 2016. It is equipped with 5 channel amplifier with 80 W (8 Ω, 20 Hz - 20 kHz and 2 channel driven) power per channel and is capable of 5.1 maximum channel processing. It , passes 4K/60Hz video signal.

      We evaluated Onkyo TX-SR373 and Onkyo TX-SR353 and gave them scores of 70 and 68 out of 100 recpectively. Our ranking system is based on the amplifier specifications, audio and video features, connectivity, multizone capabilities, radio and many other details.

      Onkyo TX-SR373

      Onkyo TX-SR353

      Amplifier
      73
      Amplifier
      70
      Audio Features
      61
      Audio Features
      62
      Video Features
      90
      Video Features
      84
      Connectivity
      62
      Connectivity
      62
      Zones
      55
      Zones
      55
      Radio
      66
      Radio
      59
      OVERALL
      70
      OVERALL
      68

      For more details about the ranking please go to    Evaluations section.

      2. Pros and Cons

      In this section we present pros and cons of Onkyo TX-SR373 and Onkyo TX-SR353.

      PROS

      Onkyo TX-SR373

      Onkyo TX-SR353

      •   DSD via HDMI
      •   Auto Speaker Calibration System with Mic.
      •   HDR10
      •   Dolby Vision
      •   New HDCP Version
      •   Bluetooth
      •   USB Input
      •   Composite Video Inputs
      •   Analog Tuner
      •   DSD via HDMI
      •   Auto Speaker Calibration System with Mic.
      •   HDR10
      •   New HDCP Version
      •   Bluetooth
      •   USB Input
      •   Composite Video Inputs
      •   Analog Tuner

      CONS

      Onkyo TX-SR373

      Onkyo TX-SR353

      •   Few Channels - 5.1
      •   Low Power Output - 80 W
      •   No Front Wide Channel Support
      •   5.1 Channel Processing
      •   No Dolby Atmos
      •   No Dolby Atmos Height Virtualization
      •   No DTS:X
      •   No IMAX Enhanced
      •   No Auro 3D with Auro-Matic Upmixer
      •   No HDR10+
      •   No eARC
      •   No 8K Passthrough
      •   No Wi-Fi
      •   Does not Work with Amazon Alexa
      •   4 HDMI Inputs
      •   1 HDMI Outputs
      •   0 8K Input
      •   Few RCA Line Inputs
      •   No Phono Input
      •   No RCA Pre-Outs
      •   No Ethernet
      •   No Zones
      •   No Digital Radio
      •   No Pandora
      •   No Spotify
      •   No Tidal
      •   Bluetooth 3.0
      •   Few Channels - 5.1
      •   Low Power Output - 80 W
      •   5.1 Channel Processing
      •   No Dolby Atmos
      •   No Dolby Atmos Height Virtualization
      •   No DTS:X
      •   No IMAX Enhanced
      •   No Auro 3D with Auro-Matic Upmixer
      •   No HDR10+
      •   No Dolby Vision
      •   No eARC
      •   No 8K Passthrough
      •   No Wi-Fi
      •   Does not Work with Amazon Alexa
      •   4 HDMI Inputs
      •   1 HDMI Outputs
      •   0 8K Input
      •   Few RCA Line Inputs
      •   No Phono Input
      •   No RCA Pre-Outs
      •   No Ethernet
      •   No Zones
      •   No Digital Radio
      •   No Pandora
      •   No Spotify
      •   No Tidal

      3. Advantage of Onkyo TX-SR373

      This section shows those features and specifications which are the reason to choose Onkyo TX-SR373 over Onkyo TX-SR353.

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      Onkyo TX-SR373
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      Onkyo TX-SR373 vs Onkyo TX-SR353
      Dolby Vision vs
      Analog Tuner FM/AM with RDS vs FM/AM
      Bigger Power Supply 220 W vs 210 W
      Higher Power Output (8 Ω, 20 Hz - 20 kHz, 2 channel driven, FTC) 100 W (0.09% THD) vs 80 W (0.08% THD)
      Higher S/N Ratio (Line, IHF-A) 106 dB vs 98 dB

      4. Common Strengths and Weaknesses

      We already listed pros and cons of each model. However, you may also find useful to look at their common strengths and weaknesses shown side-by-side.

      STRENGTHS Onkyo TX-SR373 Onkyo TX-SR353
        DSD via HDMI 2-ch 2-ch
        Auto Speaker Calibration System with Mic. AccuEQ AccuEQ
        HDR10
        New HDCP Version2.22.2
        Bluetooth SBC, AAC
        USB Input1 (Front)1 (Front)
        Composite Video Inputs22
        Analog Tuner FM/AM with RDS FM/AM
      WEAKNESSES Onkyo TX-SR373 Onkyo TX-SR353
        Few Channels5.15.1
        Low Power Output80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
        Channel Processing5.15.1
        No Dolby Atmos
        No Dolby Atmos Height Virtualization
        No DTS:X
        No IMAX Enhanced
        No Auro 3D with Auro-Matic Upmixer
        No HDR10+
        No eARC
        No 8K Passthroughup to 4K/60p (4:4:4)up to 4K/60p (4:4:4)
        No Wi-Fi
        Does not Work with Amazon Alexa
        Few HDMI Inputs44
        Few HDMI Outputs11
        Few 8K Inputs
        Few RCA Line Inputs33
        No Phono Input
        No RCA Pre-Outs0.10.1
        No Ethernet
        No Zones11
        No Digital Radio
        No Pandora
        No Spotify
        No Tidal

      5. Amplifier

      Onkyo TX-SR373 Onkyo TX-SR353

      5 channel Amplifier: Onkyo TX-SR373 features 5 channel power amplifier. It is rated at 80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven).

      5 channel Amplifier: Onkyo TX-SR353 features 5 channel power amplifier. It is rated at 80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven).


        AMPLIFIER Onkyo TX-SR373 Onkyo TX-SR353
        Channels5.15.1
        Power Output80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
        Dynamic Audio Amplification
        Non-Phase Shift Amplifier
        VLSC (Vector Linear Shaping Circuitry)
        Optimum Gain Volume Circuitry
        THX™ Certification
        Continuous 6 Ω Rated
        Certified 4 Ω Performance
        Discrete Output Stage Circuitry
        Independent Block Construction (Amp/Preprocessor)
        Bi-amp Capability
        BTL (Bridged Transless or Bridging)

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        Onkyo TX-SR373
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        6. Speaker Configurations

        Onkyo TX-SR373's and Onkyo TX-SR353's amplifiers can be assigned for different speaker configurations.

        • Configurations: Available configurations are:
        • Onkyo TX-SR373: 5.1 with internal amplifier.
        • Onkyo TX-SR353: 5.1 with internal amplifier.

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        Onkyo TX-SR353
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        7. HDMI

        Onkyo TX-SR373 and Onkyo TX-SR353 come with 4 HDMI inputs. It has 1 output.

        • 4K/60Hz Passthrough: On both receivers all inputs pass up to 4K/60p (4:4:4) video signal.
        • BT.2020 Color Space: BT.2020 or Rec. 2020 is a color standard which delivers a wider color gamut compared to Rec. 709. It covers approximately 75% of the total visual spectrum while the Rec. 709 covers only 35% (available on both models).
        • HDCP 2.2 Copy Protection: Both receivers are HDCP 2.2 compliant which is a requirement for 4K/HDR copy-protected content transmission.
        • 3D Ready: Both receivers are able to pass 3D video through HDMI.

        HDR (High Dynamic Range)

        Onkyo TX-SR373 supports HDR10 and Dolby Vision.

        Onkyo TX-SR353 supports HDR10 High dynamic range video has greater dynamic range than standard dynamic range (SDR) video with brighter whites and deeper blacks. The result is greater contrast and more details in dark and bright areas, better color and depth.



        VIDEO FEATURES Onkyo TX-SR373 Onkyo TX-SR353
        HDR10
        HDR10+
        Dynamic HDR
        BT.2020 color space
        Dolby Vision
        HLG (Hybrid Log Gamma)
        HDBaseT Compatible
        Enhanced Audio Return Channel (eARC)
        HDCP Version2.22.2
        QMS (Quick Media Switching)
        ALLM (Auto Low Latency Mode)
        VRR (Variable Refresh Rate)
        QFT (Quick Frame transport)
        3-D Ready
        Video Signal Passthroughup to 4K/60p (4:4:4)up to 4K/60p (4:4:4)
        Video Signal Upscaling

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        Onkyo TX-SR373
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        8. Inputs and Outputs

        Audio

        • Analog Line Inputs: There are 3 pair of line inputs on both receivers for connecting sources with analog outputs.
        • Digital Inputs: 1 optical input and 1 coaxial input are available for digital audio connections on both receivers.
        • Headphone Output: There is a 6.3 mm (1/4") headphone output jack on the front panel of each receiver.

        Video

        • HDMI:
        • Onkyo TX-SR373
          Inputs:           4   Outputs: 1
          8K Inputs: 0.
        • Onkyo TX-SR353
          Inputs:           4   Outputs: 1
          8K Inputs: 0.
        • Composite Video: Connect you VCR, Laserdisc player and other old video equipment with composite video cables.
        • Onkyo TX-SR373
          Inputs:           2   Outputs: 1.
        • Onkyo TX-SR353
          Inputs:           2   Outputs: 1.

        Front A/V Inputs

        • Onkyo TX-SR373: USB
        • Onkyo TX-SR353: USB

        Onkyo TX-SR373

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        Onkyo TX-SR353

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        TERMINALS Onkyo TX-SR373 Onkyo TX-SR353
        HDMI Inputs44
        HDMI Outputs11
        8K Inputs
        USB Input1 (Front)1 (Front)
        USB DC Out Port
        Optical Inputs11
        Optical Outputs
        Coaxial Inputs11
        RCA Line Inputs33
        RCA Line Outputs
        XLR Line Inputs
        Phono Input
        Multi-Channel Input
        RCA Pre-Outs0.10.1
        XLR Pre-outs
        Composite Video Inputs22
        Composite Video Outputs11
        S-Video Inputs
        S-Video Outputs
        Component Video Inputs
        Component Video Outputs

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        Onkyo TX-SR353
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        9. Evaluations

        We evaluated Onkyo TX-SR373 and Onkyo TX-SR353 and gave them scores of 70 and 68 out of 100 recpectively. We also gave separate scores for 7 different categories according to the available features and specifications some of which are listed below. These evaluations are relative and may change each time a new receiver is added to the database.


        Onkyo TX-SR373

        Onkyo TX-SR353

        OVERALL
        70
        OVERALL
        68

        Amplifier

        GOOD
        73
        •   Few Channels - 5.1
        •   Low Power Output - 80 W
        GOOD
        70
        •   Few Channels - 5.1
        •   Low Power Output - 80 W

        Audio Features

        AVERAGE
        61
        •   Few Channels - 5.1
        •   No Front Wide Channel Support
        •   5.1 Channel Processing
        •   No Dolby Atmos
        •   No Dolby Atmos Height Virtualization
        •   No DTS:X
        •   No IMAX Enhanced
        •   No Auro 3D with Auro-Matic Upmixer
        •   DSD via HDMI
        AVERAGE
        62
        •   Few Channels - 5.1
        •   5.1 Channel Processing
        •   No Dolby Atmos
        •   No Dolby Atmos Height Virtualization
        •   No DTS:X
        •   No IMAX Enhanced
        •   No Auro 3D with Auro-Matic Upmixer
        •   DSD via HDMI

        Video Features

        EXCELLENT
        90
        •   HDR10
        •   No HDR10+
        •   Dolby Vision
        •   No 8K Passthrough
        GOOD
        84
        •   HDR10
        •   No HDR10+
        •   No Dolby Vision
        •   No 8K Passthrough

        Connectivity

        AVERAGE
        62
        •   No eARC
        •   New HDCP Version
        •   No Wi-Fi
        •   Bluetooth
        •   Does not Work with Amazon Alexa
        •   4 HDMI Inputs
        •   1 HDMI Outputs
        •   0 8K Input
        •   USB Input
        •   Few RCA Line Inputs
        •   No Phono Input
        •   No RCA Pre-Outs
        •   Composite Video Inputs
        •   No Ethernet
        •   Bluetooth 3.0
        AVERAGE
        62
        •   No eARC
        •   New HDCP Version
        •   No Wi-Fi
        •   Bluetooth
        •   Does not Work with Amazon Alexa
        •   4 HDMI Inputs
        •   1 HDMI Outputs
        •   0 8K Input
        •   USB Input
        •   Few RCA Line Inputs
        •   No Phono Input
        •   No RCA Pre-Outs
        •   Composite Video Inputs
        •   No Ethernet

        Zones

        AVERAGE
        55
        •   No Zones
        AVERAGE
        55
        •   No Zones

        Radio

        AVERAGE
        66
        •   Analog Tuner
        •   No Pandora
        •   No Spotify
        •   No Tidal
        AVERAGE
        59
        •   Analog Tuner
        •   No Pandora
        •   No Spotify
        •   No Tidal

        10. Specifications

        GENERAL Onkyo TX-SR373 Onkyo TX-SR353
        BrandOnkyoOnkyo
        ModelTX-SR373TX-SR353
        TypeA/V ReceiverA/V Receiver
        CountryEuropeNorth America
        Release Year20172016
        PredecessorOnkyo TX-SR353 Onkyo TX-SR343
        SuccessorOnkyo TX-SR383 Onkyo TX-SR373
        AMPLIFIER Onkyo TX-SR373 Onkyo TX-SR353
        Channels5.15.1
        Power Output80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
        Front Wide Channel Support
        Dynamic Audio Amplification
        Non-Phase Shift Amplifier
        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 Onkyo TX-SR373 Onkyo TX-SR353
        DAC Specs192 kHz/24 Bit192 kHz/24 Bit
        Maximum Channel Processing5.15.1
        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
        THX Listening Modes
        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 2-ch/Multi-ch Input
        Music Playback via USBWMA, MP3, AAC
        High Resolution Music Playback via USB and/or Network
        DSD via HDMI 2-ch 2-ch
        DSD via USB
        DSD to PCM Converter
        USB DAC
        Jitter Reduction
        DTS Dialogue Control
        Dialog Enhancement
        Dialog normalization
        Dialogue Lift
        Tone Control Front L/R Channels Front L/R Channels
        Compressed Music Enhancer Advanced Music Optimizer 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
        CALIBRATION Onkyo TX-SR373 Onkyo TX-SR353
        Auto Speaker Calibration System with Mic. AccuEQ AccuEQ
        VIDEO FEATURES Onkyo TX-SR373 Onkyo TX-SR353
        HDR10
        HDR10+
        Dynamic HDR
        BT.2020 color space
        Dolby Vision
        HLG (Hybrid Log Gamma)
        HDBaseT Compatible
        Enhanced Audio Return Channel (eARC)
        HDCP Version2.22.2
        QMS (Quick Media Switching)
        ALLM (Auto Low Latency Mode)
        VRR (Variable Refresh Rate)
        QFT (Quick Frame transport)
        3-D Ready
        Video Signal Passthroughup to 4K/60p (4:4:4)up to 4K/60p (4:4:4)
        Video Signal Upscaling
        Analog To HDMI Upconversion
        isf Certified Calibration Control
        CONNECTIVITY Onkyo TX-SR373 Onkyo TX-SR353
        Wi-Fi
        Bluetooth SBC, AAC
        Works with Amazon Alexa
        Chromecast Built-In
        Works with SonoS
        DTS Play-Fi
        MHL Input
        DLNA 1.5
        AirPlay
        Apple Product Connection
        Remote App
        InstaPrevue Input Source Prevue
        TERMINALS Onkyo TX-SR373 Onkyo TX-SR353
        HDMI Inputs44
        HDMI Outputs11
        8K Inputs
        USB Input1 (Front)1 (Front)
        USB DC Out Port
        Optical Inputs11
        Optical Outputs
        Coaxial Inputs11
        RCA Line Inputs33
        RCA Line Outputs
        XLR Line Inputs
        Phono Input
        Multi-Channel Input
        RCA Pre-Outs0.10.1
        XLR Pre-outs
        Composite Video Inputs22
        Composite Video Outputs11
        S-Video Inputs
        S-Video Outputs
        Component Video Inputs
        Component Video Outputs
        Ethernet
        Ethernet Switch
        PC In
        Front A/V InputsUSBUSB
        Speaker A/B
        Headphone Out6.3 mm (1/4")6.3 mm (1/4")
        Detachable Power Cord
        uport
        ZONES Onkyo TX-SR373 Onkyo TX-SR353
        Number of Zones11
        Whole House Mode
        RS-232C Interface
        +12V Trigger Output00
        Remote (IR) Input/Output0 / 00 / 0
        MISCELLANEOUS Onkyo TX-SR373 Onkyo TX-SR353
        On-Screen Display via HDMI
        ONKYO-RI System Control
        RIHD (Remote Interactive Over HDMI)
        Pre-Pro/Learning Remote / /
        On Screen Remote Programming
        Bi-directional Remote Setup via GUI
        RADIO Onkyo TX-SR373 Onkyo TX-SR353
        Analog Tuner FM/AM with RDS FM/AM
        Presets3030
        Digital Radio
        Internet Radio
        Pandora
        Spotify
        Tidal
        Deezer
        Napster
        SiriusXM
        CONSTRUCTION Onkyo TX-SR373 Onkyo TX-SR353
        Solid Aluminum Front
        Speaker Terminals55
        Large Speaker Terminals22
        Color-Coded Speaker Terminals
        Transparent High-Grade Speaker Terminals
        Gold plated RCA terminals
        POWER Onkyo TX-SR373 Onkyo TX-SR353
        Power SupplyAC 220-240 V, 50/60 HzAC 120 V, 60 Hz
        Independent Power Supply
        H.C.P.S. (High Current Power Supply)
        Toroidal Transformer
        Power Consumption220 W210 W
        Standby Power0.3 W0.45 W
        PHYSICAL Onkyo TX-SR373 Onkyo TX-SR353
        Dimensions (W x H x D)435 mm x 168 mm x 326.5 mm
        17-1/8" x 6-5/8" x 12-13/16"        		435 mm x 168 mm x 326.5 mm
        17-1/8" x 6-5/8" x 12-7/8"
        Weight8.0 kg (17 lb 10 oz)8.0 kg (17 lb 10 oz)
        SPECIFICATIONS Onkyo TX-SR373 Onkyo TX-SR353
        Power Output (8 Ω, 20 Hz - 20 kHz, 2 channel driven, FTC)100 W (0.09% THD)80 W (0.08% THD)
        Power Output (6 Ω, 1 kHz, 1 channel driven, FTC)140 W (1.0% THD)
        Rated Power Output (6 Ω, 1 kHz, 1 channel driven, IEC)135 W (1% THD)
        THD0.06% (20 Hz - 20 kHz, 1 Channel Driven, 50 W)0.06% (20 Hz - 20 kHz, 8 Ω, 1 Channel Driven, 50 W)
        Input Sensitivity and Impedance (Line)200 mV/47 kΩ200 mV/47 kΩ
        S/N Ratio (Line, IHF-A)106 dB98 dB
        Frequency Response (Analog In)5 Hz - 100 kHz/0 dB, -3 dB (Direct)5 Hz - 100 kHz/0 dB, -3 dB (Direct mode)
        DSD Sampling Rates via HDMI2.8 MHz2.8 MHz
        Video Input Sensitivity/Output Level and Impedance 1 Vp-p/75 Ω (Composite)1 Vp-p/75 Ω (Composite)
        Bluetooth Version3.0
        Bluetooth Frequency2.4 GHz
        HDMI TerminalType A (19-pin)
        HDMI Output Type5 V, 55 mA
        USB Terminal5 V, 0.5 A
        FM Frequency87.5 MHz - 108.0 MHz87.5 MHz - 108.0 MHz
        AM Frequency530 kHz - 1700 kHz530 kHz - 1700 kHz
        Warranty2 Years2 Years

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

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