Pioneer VSX-D510 5.1 Channels Receiver
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- Surround Sound: Dolby Digital® DTS® Dolby Pro Logic II
- THX Certification: No
- Number of Channels: 5.1 Channels
- Type: Receiver
- Surround Mode Power: 80 Watt @ 8 ohm, 1 kHz, THD: 1%
- Stereo Mode Power: 80 Watt @ 8 ohm, 1 kHz, THD: 1%
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I wouldn't quite say "false advertising", but...
Pros
Remote key action and versatility
Cons
Read on...
Recommended it?
No
The Bottom Line:
Have a careful look, and play of this unit BEFORE you buy one (if you find nothing better). Buy one from a shop close to you.
The first problem I have with Pioneer over this model, is their blatant over-stating of the output power on the front panel. I am qualified in electronics, and explain here:
This underpowered little amplifier has "overloaded" six times on me in the last fifteen minutes. Just for comparison, my (now no longer) previous amplifier was rated at 100W RMS continuous into 8ohms. It ran a 1kHz tone through my dummy load at 100W for 24hrs straight without overheating, and at a THD of less than 1% the whole time (it even has no fan!). [THD for the layperson - Total Harmonic Distortion. Levels above 1% are detectable by untrained ears, and will diminish listening pleasure]
So, for those people overwhelmed by the hype that manufacturers of amplifier products - IGNORE the front panel power specs, ask the salesman to show you the manual with the DIN specification. This specification is also a bit of a waste of time, as it is only a rating at 1kHz - but it's all you've got when you want to compare different amplifiers. This spec must be read in tandem with the distortion figure. As I said before, laypeople will have not much trouble detecting above 1% THD.
This piece of "equipment" purports to be rated at 120W RMS into 8ohms BUT AT 10% THD!!! (NOT QUOTED ON FRONT PANEL) nor is the level at which the thing decides to shut down due to being "overloaded". My dummy load doesn't even get the chance to warm up before the poor little thing gives up. It definitely isn't an input overload problem as it occurs on the optical input. I used the time to explain the problem to you guys instead of frustrating myself at their customer service department.
I enthusiastically borrowed a whole host of test gear to put this thing through its paces, however it failed miserably.
120W RMS per channel? well.. it won't be listenable anyway at ten percent distortion. The sound level at -30dB is way below what I would require at a party, and the thing cuts out fairly soon above this level.
The inputs have no limiting circuit on them. This is a problem in that some of your analog inputs will require pioneer's nifty little "attenuator", and some won't. You'll have to decide by hearing a crackly little whine come from your speakers.
Unfortunately, this problem overwhelms what would be a very good unit. The jog knob on the front is an excellent innovation, the effects are easy to control and adjust. The tuner works very nicely, and the preprogrammed remote is a great way to get rid of your TV remote. Having the ability to choose which input you want on the co-ax or optical inputs is also handy.
This underpowered little amplifier has "overloaded" six times on me in the last fifteen minutes. Just for comparison, my (now no longer) previous amplifier was rated at 100W RMS continuous into 8ohms. It ran a 1kHz tone through my dummy load at 100W for 24hrs straight without overheating, and at a THD of less than 1% the whole time (it even has no fan!). [THD for the layperson - Total Harmonic Distortion. Levels above 1% are detectable by untrained ears, and will diminish listening pleasure]
So, for those people overwhelmed by the hype that manufacturers of amplifier products - IGNORE the front panel power specs, ask the salesman to show you the manual with the DIN specification. This specification is also a bit of a waste of time, as it is only a rating at 1kHz - but it's all you've got when you want to compare different amplifiers. This spec must be read in tandem with the distortion figure. As I said before, laypeople will have not much trouble detecting above 1% THD.
This piece of "equipment" purports to be rated at 120W RMS into 8ohms BUT AT 10% THD!!! (NOT QUOTED ON FRONT PANEL) nor is the level at which the thing decides to shut down due to being "overloaded". My dummy load doesn't even get the chance to warm up before the poor little thing gives up. It definitely isn't an input overload problem as it occurs on the optical input. I used the time to explain the problem to you guys instead of frustrating myself at their customer service department.
I enthusiastically borrowed a whole host of test gear to put this thing through its paces, however it failed miserably.
120W RMS per channel? well.. it won't be listenable anyway at ten percent distortion. The sound level at -30dB is way below what I would require at a party, and the thing cuts out fairly soon above this level.
The inputs have no limiting circuit on them. This is a problem in that some of your analog inputs will require pioneer's nifty little "attenuator", and some won't. You'll have to decide by hearing a crackly little whine come from your speakers.
Unfortunately, this problem overwhelms what would be a very good unit. The jog knob on the front is an excellent innovation, the effects are easy to control and adjust. The tuner works very nicely, and the preprogrammed remote is a great way to get rid of your TV remote. Having the ability to choose which input you want on the co-ax or optical inputs is also handy.
