Technical Support, Instructions & Repair Service

Back to: 

Tags:

Onkyo SKS-HT500 System

Sony str-de885 & onkyo sks-ht500 problems


By Reynolds - usenet poster


I purchased a Sony STR-DE885 Receiver last week to go along with an
Onkyo SKS-HT500 Speaker System I purchased the week prior. The problem
I am facing is sound quality, I can faintly hear sound when I set the
volume number to 40. I have checked my speaker wires, my receiver
settings, etc. My internal tv speakers are lounder then my surround
sound system. I was wondering if others have experienced the same
problems, can give me advice or let me know if I need to return the
receiver to the manufacturer.
I have the same problem.
This Problem has been added to the Share Your Expertise Page under "My Work Queue".

Solution #1

posted on Aug 08, 2005
Not Rated (0)

Cato

Rank:Apprentice Apprentice
Rating: 0%, 0 votes
< >...



Well, the speakers and receiver don't have to be the same manufacturer by
any means.  Is the receiver under warranty?  I wonder if there is a problem
with it.  Even with the Sony you should be able to get it pretty loud if you
want.  The logarithmic volume control means that the first 1/2 of the volume
control may not produce alot of sound, but then it should start increasing
in volume at a fairly fast rate.  Can you get it to play loud and still
sound good?

Here is a quote from a website that describes the logarithmic volume control
vs. linear:

Also, here is a definition for pot taper (log vs linear) from "Electronic
Projects for Musicians" by Craig Anderton:

"One other characteristic of pot taper, might cause confusion. The taper of
a pot is another word for the rate at which the resistance changes. The most
common is linear. Turning it halfway gives half the resistance, a quarter
gives a quarter, two-thirds gives two-thirds,and so on.

A log taper pot, however increases resistance logarithmically. This means
that turning up the pot halfway covers only about 10% of the total
resistance; two-thirds covers about 40%. As you get past this point, each
degree of rotation covers a progressively greater amount of resistance."

See 1/2 way up on linear is 1/2 power/resistance (attenuated power from the
max), on logarithmic, it is about 10% - that is a huge difference and until
you are used to this, it may seem like you have to crank the h*ll out of it
to get sound.  To get the same 1/2 power/resistance, it would be about 75% -
notice 1/2 way up is 10%, but 75 is about 50% - though the difference is 50%
on the volume control.

Dennis
Was this solution helpful? Show your Appreciation by rating it:

Thank You!

Was the solution helpful?
Show your appreciation by commenting on sony str-de885 & onkyo sks-ht500 problems:


I don't want to Accept this solution

Solution #2

posted on Aug 08, 2005
Not Rated (0)

Charlie

Rank:Apprentice Apprentice
Rating: 0%, 0 votes
"Dennis'  Newsgroups" <denni @attbi.com> wrote in message < >...



If I purchased an Onkyo Receiver to go along with my Onkyo Speaker
Package
& Sony Speakers to go with my Sony Receiver...would that solve
problems? I cant even listen to the radio without cranking up the
volume to drastic measures.
Was this solution helpful? Show your Appreciation by rating it:

Thank You!

Was the solution helpful?
Show your appreciation by commenting on sony str-de885 & onkyo sks-ht500 problems:


I don't want to Accept this solution

Solution #3

posted on Aug 08, 2005
Not Rated (0)

Janice

Rank:Apprentice Apprentice
Rating: 0%, 0 votes
A couple of things:

I think the Sony receiver, like most AV receivers lately, has logarithmic
volume control (not linear) so you don't go by the numbers.

2nd the Onkyo speaker setup is not very efficient speakers - ranging from
82db for the surrounds to 85 and 86 for the center channel.  This means that
with 1 watt that is the decibel rating.  To increase 3 db, you have to
double the wattage.  i.e. 82 at 1 watt, 85 at 2 watts, 88 at 4 watts, 91 at
8 watts, 94 at 16 watts, 97 at 32 watts, 100 at 64 watts, etc.  Some
speakers are rated at up to 103 db (low 90's is the more common number).
This means your speaker setup is a bit harder to drive for the amp to get
the volume.

Sony DE receivers are not 100 watts per channel by any means.  With 3 or
more speakers running, I would bet that the power you get is probably alot
closer to 30-40 watts max before distortion.  Your receiver would be lucky
to produce 100 clean watts from just 1 channel.  Alot of manufacturers over
stating their amp ratings has been going on for years (this is because the
average consumer is number/spec oriented).  Some manufacturers are much more
accurate in their ratings like Yamaha, Denon, Marantz, Onkyo, Harman-Kardon,
etc.  This is why you will find that most of these, even if it is rated at
55-70 watts per channel, are more powerful than the Sony that is "100
watts".

Alot of people listen in the range of 10-15 watts, unless their speakers are
not very efficient.

Dennis
Was this solution helpful? Show your Appreciation by rating it:

Thank You!

Was the solution helpful?
Show your appreciation by commenting on sony str-de885 & onkyo sks-ht500 problems:


I don't want to Accept this solution

Can you Help with these Home Theater Speakers and Subwoofers problems?

Home Theater Speakers and Subwoofers
I ordered the caps that you specified in your fix. Do you...

Home Theater Speakers and Subwoofers
hi i have a telefunken surround sound that i cannot get to...

Home Theater Speakers and Subwoofers
I can't play mp3 and dvds that i copied from my pc. Seems...

Onkyo SKS-HT500 System
blacks out when signal changes from full to wide screen or...

Onkyo SKS-HT500 System
I can not get the front right speaker to work on my...

Loading problems.

Repair Service

Find Home Theater Spe. Repairman Near You:
Browse the Repair Directory
Repairman, Get Listed FREE

When the original poster rates a solution that was given to his own problem, that rating is locked!
X

Are you sure the solution content is Inappropriate?
   
Tech buddies can communicate directly to answer questions. Become a Tech Buddy and have direct access to your favorite expert for FREE!