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Enough receiver for now?


vasubandu

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As soon as I can get a great deal, I am going to get a good receiver for my new home theater system. But the broken Yamaha RX-A850 was really broken, when sent me into the garage, where a Yamaha RX-V673 magically appeared.  So my question is whether for the time being it is adequate for a system with RF-7, RC-7, RS-7 and SVS PB2 Plus. I don't need anything fancy, just want it to work normally. Here are its specs rated at 90W

 

whathifi 5 stars

 

avproductreviews "The Yamaha RX-V673 has tons of features and most who’ve purchased it have high praises for it’s sonic qualities and on screen GUI. If you can get it for under the MSRP I suggest you snap one up, you won’t be disappointed.

 

Not doing Atmos now. Just 5.1

 

 

Product Series

RX-V

Product Name

Yamaha RX-V673

Product Model

RX-V673

Manufacturer Website Address

Brand Name

Yamaha

Product Type

A/V Receiver

Manufacturer

Yamaha Corporation

Manufacturer Part Number

RX-V673BL

Interfaces-Ports

HDMI

Yes

Number of HDMI Outputs

1

Number of Analog Audio Inputs

8

Number of Digital Coaxial Inputs

2

Number of HDMI Inputs

6

Number of Digital Optical Inputs

2

iPod Supported

Yes

USB

Yes

Technical Information

Minimum Frequency Response

20 Hz

Streaming Service

AirPlay, Pandora, Rhapsody, SiriusXM, iTunes, vTuner

3D Type

3D

Maximum Frequency Response

20 kHz

Total Harmonic Distortion THD

0.1%

Multizone

Yes

Impedance

8 Ohm

Internet Streaming

Yes

Network and Communication

Ethernet

Yes

Video

Upscale Scan Format

1080p

Miscellaneous

DLNA Certified

Yes

Package Contents

  • RX-V673 A/V Receiver
  • Remote Control

Physical Characteristics

Weight Approximate

10.21 kg

Width

435 mm

Depth

364 mm

Height

171 mm

Colour

Black

Dimensions

171 mm (H): 435 mm (W): 364 mm (D)

Audio

Sound System

Dolby TrueHD, DTS-HD Master Audio, Dolby Digital Plus, DTS-HD High Resolution

Audio Channels

7.1


Read more at https://www.whathifi.com/yamaha/rx-v673/review#pv7uc5gOBKU3TFQT.99

 

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Keep in mind, it's probably more around 50 WPC all channels driven.  There aren't many, if any, that currently offer 100 WPC under the $2k pricetag.

 

I wouldn't use any of the white-face RX-V models.  They just aren't built like they used to be.  Why are you stepping stones on your AVR?  Particular reason?

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Yamaha is famous for falsely over rating their receivers. I'm with Michael thinking that the actual output is closer to 50 wpc all channels driven. That is a lot of woofers you are trying to push off of one small power supply. I would seek out a better receiver from Accessoriesforless.com for that same money and give your speakers some extra oomph.

 

 

Tim

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17 minutes ago, The History Kid said:

Why are you stepping stones on your AVR?  Particular reason?

 

No reason at all except that I have not figured out exactly what I want and was hoping for something cheap and used in the local market.  An Onkyo RZ900 came up this morning for $400, but I missed it by half an hour. A4less  is $900 for the 920, so I figured it was a good deal.  If I spend real money on something, I want Atmos.  And my candidates there are Pioneer 501 or 701, Onkyo RZ820 (but I prefer the 920) or maybe a Yamaha RX-A2050 when they get them again.  Generally I would prefer to move up models and go back a few years as long as I get Atmos.  This is an area where I really feel unqualified to pick something.  

 

So I had this old receiver that seemed marginally capable, but I was not sure.  

 

I find the Pioneers intriguing, but no one here mentions them.  Not sure if that is chance or for a reason.  

 

I also read that different brands of receiver work better with different speakers, but I have found nothing about what works with mine.  If I had that pinned down, the rest might be easy.

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@Ceptorman at this point, I would prefer to avoid external amps.  It just does not seem like it should be necessary.  So if Yamaha overstates power, then they are out.  That would seem to leave Marantz, Onkyo and Pioneer if they are in.  

 

A4Less just has an amazing deal on the pioneer.  They are a dealer.

 

The 501 has a list price of 999, and they are at 450.  $550 or more elsewhere.

Amplification  
Number Of Channels 7
Stereo RMS Power (watts) 120
THD in Stereo 0.06%
Frequency Bandwidth (stereo) 20-20k Hz
Minimum Impedance L/R 4 ohms
Minimum Impedance Center 4 ohms
Minimum Impedance Surround 4 ohms
General Features  
Internet-ready Yes
Bluetooth Built-in
Apple AirPlay Built in
App Remote Control Yes
USB port for iPod/iPhone No
FM Sensitivity Not Given
HD Radio Tuner No
On-Screen Display Thru HDMI
Auto Speaker Calibration MCACC Auto Room Tuning
HDCP 2.2 for 4K Video Yes
HDR-compatible Yes
HDMI Standby Pass-through Yes
Composite Video Conversion From Composite to HDMI
Component Video Conversion From Component Video to HDMI
HDMI to HDMI Upconversion Yes
DLNA Certified  
MHL-compatible No
Multibrand Remote Control No
Learning Remote No
LCD Remote  
Width (inches) 17-1/8
Height (inches) 7-5/16
Depth (inches) 15-9/16
Weight (pounds) 26
Multi-room Audio--Video  
Powered Multi-room Audio Output Yes
Preamp Multi-room Audio Output Yes
Multi-room Video Yes
Multi-room HDMI Output Yes
Surround Processing  
Dolby Digital DD, TrueHD, DD+
Dolby Atmos Yes
DTS DTS, HD, HDMA, ES, Neo6, 96/24
DTS:X Yes
Inputs & Outputs  
Phono Input 1
Audio-Video Inputs 2
Audio-only Inputs 3
Component Video Inputs 1
Component Video Monitor Outputs None
Optical Digital Inputs 2
Coaxial Digital Inputs 1
Optical Digital Outputs None
Coaxial Digital Outputs None
HDMI Inputs 6
HDMI Monitor Outputs 2
Subwoofer Outputs 2
Multi-Channel Analog Input No
Multi-channel Preamp Output No
Main Speaker Output Pairs 1
Main Speaker Terminals Posts
Ethernet Port 1
USB Connections 1 Front

 

The 701 is list 1599 and they are 799. Over $1,000 everywhere else.

 

Amplification  
Number Of Channels 9
Stereo RMS Power (watts) 135
THD in Stereo 0.06%
Frequency Bandwidth (stereo) 20-20k Hz
Minimum Impedance L/R 4 ohms
Minimum Impedance Center 4 ohms
Minimum Impedance Surround 4 ohms
General Features  
Internet-ready Yes
Bluetooth Built-in
Apple AirPlay Built in
App Remote Control Yes
USB port for iPod/iPhone No
FM Sensitivity Not Given
HD Radio Tuner No
On-Screen Display Thru HDMI
Auto Speaker Calibration MCACC Auto Room Tuning
HDCP 2.2 for 4K Video Yes
HDR-compatible Yes
HDMI Standby Pass-through Yes
Composite Video Conversion From Composite to HDMI
Component Video Conversion From Component Video to HDMI
HDMI to HDMI Upconversion Yes
DLNA Certified  
MHL-compatible No
Multibrand Remote Control No
Learning Remote No
LCD Remote  
Width (inches) 17-1/8
Height (inches) 7-1/3
Depth (inches) 17-1/3
Weight (pounds) 33.1
Multi-room Audio--Video  
Powered Multi-room Audio Output Yes
Preamp Multi-room Audio Output Yes
Multi-room Video Yes
Multi-room HDMI Output Yes
Surround Processing  
Dolby Digital DD, TrueHD, DD+
Dolby Atmos Yes
DTS DTS, HD, HDMA, ES, Neo6, 96/24
DTS:X Yes
Inputs & Outputs  
Phono Input 1
Audio-Video Inputs 2
Audio-only Inputs 4
Component Video Inputs 2
Component Video Monitor Outputs 1
Optical Digital Inputs 3
Coaxial Digital Inputs 2
Optical Digital Outputs None
Coaxial Digital Outputs None
HDMI Inputs 7
HDMI Monitor Outputs 2
Subwoofer Outputs 2
Multi-Channel Analog Input No
Multi-channel Preamp Output Yes
Main Speaker Output Pairs 1
Main Speaker Terminals Posts
Ethernet Port 1
USB Connections 1 Front

 

 

Pioneer makes some interesting  claims about their amps.  

 

With the Class D3 (Direct Energy High fidelity class D) Amplifier, the SC-LX701 is ready to meet the needs of the latest HD content. With our MOSFET, the Direct Power FET, this simple, high powered solution is provided to fully meet today’s AV entertainment standards.

ClassAmp-Bypass3.jpg

High-Power Simultaneous Multi-Channel Drive
With Class AB amplifiers, driving all channels at full power is only possible for a short time, at around 300 W to 400 W power output. The SC-LX701’s Class D3 Amplifier has the ability to simultaneously drive 9-channels at 760 W power output, while managing to deliver dynamic content more efficently.

 

I read this to mean that it has 760 watts available continuously.  Maybe I am wrong.  My confusion is preventing me from taking action.

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21 minutes ago, vasubandu said:

Again, look at what the specs say...that's stereo power, not all watts per channel driven.  Pioneer's power units are most likely between 50-75. Look at the power consumption of the power supply in the unit.  That's a good indicator of what the unit is capable of.  Every mainstream manufacture overstates it's power supply.  The few that don't include Cambridge, Rotel and Outlaw.

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1 minute ago, vasubandu said:

You know @The History Kid I have been looking for total watts and cannot find it anywhere.  So if you were driving RF-7 i, RC-7, 2 RS-7 and 1 PB2 Plus, what would you want to be able to just hook it up and not think about power?

Download some of the manuals, they're always going to be presented in the manuals an manuals are available anywhere.  Some print the total power on the back of the unit - they have to have it somewhere.

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19 minutes ago, vasubandu said:

The SC-LX701’s Class D3 Amplifier has the ability to simultaneously drive 9-channels at 760 W power output, while managing to deliver dynamic content more efficently.

 

@The History Kid this statement seems unambiguous to me.  It says that it can deliver 760 watts.  This is what the manual says, but I have no idea what it means. Can you translate?

 

Continuous average power output (1)
140 W (SC­LX801)/135 W (SC­LX701) (
2) per channel (8 Ω)
200 W (SC­LX801)/175 W (SC­LX701) (
3) per channel (6 Ω)
1. Measured pursuant to the Federal Trade Commission's Trade Regulation
rule on Power Output Claims for Amplifiers

2. 1 kHz with no more than 0.08% (4) total harmonic distortion
3. 1 kHz with no more than 1% (4) total harmonic distortion
4. Measured by Audio Spectrum Analyzer
Multi channel simultaneous power output (1 kHz, 1%, 8 Ω)
770 W (SC­LX801)/760 W (SC­LX701) (9 ch total)
Continuous Power Output (1 kHz, 8 Ω, 0.08%)
140 W+140 W (SC­LX801)/135 W+135 W (SC­LX701) (Front)
140 W (SC­LX801)/135 W (SC­LX701) (Center)
140 W+140 W (SC­LX801)/135 W+135 W (SC­LX701) (Surround)
140 W+140 W (SC­LX801)/135 W+135 W (SC­LX701) (Surround
back/Height2)
140 W+140 W (SC­LX801)/135 W+135 W (SC­LX701) (Height1)
Continuous Power Output (1 kHz, 6 Ω, 1.0%)
200 W+200 W (SC­LX801)/175 W+175 W (SC­LX701) (Front)
200 W (SC­LX801)/175 W (SC­LX701) (Center)
200 W+200 W (SC­LX801)/175 W+175 W (SC­LX701) (Surround)
200 W+200 W (SC­LX801)/175 W+175 W (SC­LX701) (Surround
back/Height2)
200 W+200 W (SC­LX801)/175 W+175 W (SC­LX701) (Height1)
Continuous Power Output (1 kHz, 4 Ω, 1.0%)
255 W+255 W (SC­LX801)/220 W+220 W (SC­LX701) (Front)
255 W (SC­LX801)/220 W (SC­LX701) (Center)
255 W+255 W (SC­LX801)/220 W+220 W (SC­LX701) (Surround)
255 W+255 W (SC­LX801)/220 W+220 W (SC­LX701) (Surround
back/Height2)
255 W+255 W (SC­LX801)/220 W+220 W (SC­LX701) (Height1)

 

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5 minutes ago, The History Kid said:

Wrong spec, you want to look at something called "Total Power Consumption" which is usually not where power ratings are located.

 

I looked at the images online and could not find anything, maybe Yamaha stopped printing that on the back of the receivers recently.

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Aha! You mean this

 

Power Consumption
320 W (SC­LX801)/310 W (SC­LX701)
0.15 W (Stand­by, North American)
0.2 W (Stand­by, Others)
90 W (No­sound)
6 W (HDMI Standby Through)
2.5 W (Network Standby)

 

Now help me out, isn't 320 divided by 9 = 35.5, and 320 divided by 7 = 45.7, and 320 divided by 5 = 64? Those other 440 watts must be for the subwoofer, right?

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1 minute ago, vasubandu said:

Aha! You mean this

 

Power Consumption
320 W (SC­LX801)/310 W (SC­LX701)
0.15 W (Stand­by, North American)
0.2 W (Stand­by, Others)
90 W (No­sound)
6 W (HDMI Standby Through)
2.5 W (Network Standby)

 

Now help me out, isn't 320 divided by 9 = 35.5, and 320 divided by 7 = 45.7, and 320 divided by 5 = 64? Those other 440 watts must be for the subwoofer, right?

Yep, that should put you in the ballpark with what kind of output you are really getting. My old RX-V2700 was rated at 130wx7 and bench tested I think it put out 47 or something silly like that.

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3 minutes ago, vasubandu said:

Those other 440 watts must be for the subwoofer, right?

No.  A subwoofer lineout does not have any powered output.

 

While it's likely that the Pioneer puts out more than 50 WPC, it's likely never going to exceed 60.  Not a meaningful increase over the Yamaha.  That's why a separate power amp is recommended.

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Well at least Onkyo is an honorable company.  Their RZ920 pumps out a kickass 175 watts per 9.2 channels. And the amazing thing is it does all that with 310 watts.

 

Power Supply
AC 120 V, 60 Hz (North American)
AC 220 - 230 V, 50/60 Hz (China)
Power Consumption
310 W
Power Consumption (Standby mode)
0.1 W (Full Standby mode)
1.7 W (Network Standby mode, Wired) (
1)
2.0 W (Network Standby mode, Wireless) (
2)
1.6 W (Bluetooth Wakeup mode) (
3)
0.1 W (CEC standby mode) (
4)
2.0 W (Standby mode, All on) (
5)
 

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