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Product comparison · 2 home cinema systems

LG DM7630 home cinema system vs Yamaha YHT-1840 home cinema system 5.1 channels

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  • 24specifications compared
  • 15differ
  • 9identical
  • 69known for one product only

Key differences

The LG DM7630 home cinema system has 736.5 W more RMS rated power than the Yamaha YHT-1840 home cinema system 5.1 channels (740 W vs 3.5 W). The Yamaha YHT-1840 home cinema system 5.1 channels has 2 Ω more front speaker impedance than the LG DM7630 home cinema system (6 Ω vs 4 Ω). The LG DM7630 home cinema system has 1 more USB ports quantity than the Yamaha YHT-1840 home cinema system 5.1 channels (1 vs 0). Optical disc player type: DVD player on the LG DM7630 home cinema system, Not included on the Yamaha YHT-1840 home cinema system 5.1 channels. Aspect ratio: 4:3, 16:9 on the LG DM7630 home cinema system, 16:9 on the Yamaha YHT-1840 home cinema system 5.1 channels.

  • Optical disc player type
    • DVD player
    • Not included
  • Aspect ratio
    • 4:3, 16:9
    • 16:9
  • RMS rated power
    • 740 W
    • 3.5 W
  • Front speaker impedance
    • 4 Ω
    • 6 Ω
  • Subwoofer type
    • Passive subwoofer
    • Active subwoofer
  • USB ports quantity
    • 1
    • 0
  • Component video (YPbPr/YCbCr) out
    • 1
    • 0
  • Front speaker dimensions (WxDxH)
    • 240 x 336 x 387 mm
    • 112 x 116 x 176 mm

Side by side

Differences highlightedShow differences only
93 specifications
A

LG

DM7630 home cinema system

Model DM7630

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B

Yamaha

YHT-1840 home cinema system 5.1 channels

Model YHT-1840

View product
Optical drive2 differ
Optical disc player typeDiffersDVD playerNot included
Disc loading typeKnown for oneTray
Disc types supportedDiffersCD, CD-R, CD-RW, DVD+R, DVD+RW, DVD-R, DVD-RWNo
Playback disc formatsKnown for oneCD audio, DVD-Video
Video1 differ
Video formats supportedKnown for oneAVI, DIVX, MPEG
Aspect ratioDiffers4:3, 16:916:9
Progressive scanKnown for oneYes
3DKnown for oneYes
Full HDKnown for oneYes
Audio2 differ
RMS rated powerDiffers740 W3.5 W
Audio decodersDiffersDolby DigitalDolby Digital, Dolby Digital Plus
Signal-to-Noise Ratio (SNR)Known for one75 dB
Audio formats supportedKnown for oneAC3, MP3, PCM, WMA
Total Harmonic Distortion (THD)Known for one10%
EqualizerKnown for oneYes
MP3 bit ratesKnown for one32 - 320 Kbit/s
WMA bit ratesKnown for one40 - 192 Kbit/s
Audio output channelsKnown for one5.1 channels
Radioidentical
FM band rangeKnown for one87.5 - 108 MHz
AM band rangeKnown for one522 - 1710 kHz
Front speakers1 differ
Front speaker typeKnown for one2-way
Front speakers RMS powerKnown for one156 W
Front speaker impedanceDiffers4 Ω6 Ω
Front speaker frequency rangeKnown for one30 - 25000 Hz
Front speaker sensitivityKnown for one83 dB
Front speaker peak powerKnown for one100 W
Center speakeridentical
Center speaker typeKnown for one2-way
Center speaker RMS powerKnown for one75 W
Center speaker impedanceKnown for one6 Ω
Center speaker peak powerKnown for one100 W
Satellite speakersidentical
Satellite speaker typeKnown for one2-way
Satellite speakers RMS powerKnown for one75 W
Satellite speaker impedanceKnown for one6 Ω
Wireless satellite speakersKnown for oneNo
Subwoofer1 differ
Subwoofer typeDiffersPassive subwooferActive subwoofer
Subwoofer RMS powerKnown for one203 W
Subwoofer impedanceKnown for one3 Ω
Wireless subwooferKnown for oneNo
Subwoofer peak powerKnown for one100 W
Networkidentical
Near Field Communication (NFC)Known for oneNo
Wi-Fi readyKnown for oneNo
Management featuresidentical
Sleep timerKnown for oneYes
Ports & interfaces2 differ
USB ports quantityDiffers10
USB versionKnown for one2.0
Component video (YPbPr/YCbCr) outDiffers10
Audio (L/R) inKnown for one1
Microphone inKnown for oneYes
HDMI inKnown for one4
Number of HDMI outputsKnown for one4
S-Video outputs quantityKnown for one0
Digital audio coaxial inKnown for one2
Digital audio coaxial outKnown for one2
Digital audio optical inKnown for one2
Digital audio optical outKnown for one1
Headphone outputsKnown for one1
Weight & dimensions6 differ
Main unit dimensions (WxDxH)Known for one277 x 365.5 x 343.5 mm
Main unit weightKnown for one5.7 kg
Front speaker dimensions (WxDxH)Differs240 x 336 x 387 mm112 x 116 x 176 mm
Front speaker weightDiffers5 kg590 g
Center speaker dimensions (WxDxH)Differs277 x 160 x 120 mm276 x 118 x 111 mm
Center speaker weightDiffers2 kg730 g
Satellite speaker dimensions (WxDxH)Known for one204 x 255 x 331 mm
Satellite speaker weightKnown for one2.8 kg
Subwoofer dimensions (W x D x H)Differs261 x 409 x 331 mm290 x 315 x 292 mm
Subwoofer weightDiffers6.5 kg5.8 kg
Other featuresidentical
Audio amplifierKnown for oneYes
Audio dynamic range CDKnown for one80 dB
Image formats supportedKnown for oneJPG
Parental controlKnown for oneYes
Built-in HDDKnown for oneNo
AirPlayKnown for oneNo
BrowsingKnown for oneNo
Start-up timeKnown for one500 ms
SubwooferKnown for oneYes
Technical detailsidentical
KaraokeKnown for oneYes
USB direct playbackKnown for oneYes
Playback modesKnown for oneRandom, Repeat
SlideshowKnown for oneYes
Driver unitKnown for one16 cm
Maximum input powerKnown for one100 W
PowerKnown for one100 W
Power source typeKnown for oneAC
Storageidentical
Card reader integratedKnown for oneNo
Poweridentical
Power consumption (standby)Known for one0.3 W

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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