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 Post subject: What are some of the symptoms of overpowering speakers?
PostPosted: 07 May 2019, 08:59 
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I did a dumb thing. I went and paired this amp:

http://www.thevintageknob.org/sony-TA-F808ES.html
(2 channel amp, 200W/channel into 4 ohm)

With my pride and joy speaker set:

https://servicemanuals.us/sony/audio/ss-al5mk2.html

4 ohm speakers. The maximum input power is given as 120W.

In the 8 months since I've had the amp it's been giving me all kinds of trouble and it's been in for repairs twice. Some issues have been fixed, however trouble persists. Certainly some of the problems may be due to my stupid speaker pairing (I actually never checked the max input power on my speakers until now).

My speakers are now disconnected but I have no others to test the amp with.

Any experts, what are the possible audible symptoms of doing something dumb like this? I want to know if mine match or if my issues are only with the amp itself? Thank you very much if you can help.
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 Post subject: Re: What are some of the symptoms of overpowering speakers?
PostPosted: 07 May 2019, 13:10 
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I used to have some 80 watt speakers to a 100 watt amp and it was fine but some films would clip.
Your speaker will die before the amp.
That being said as long as you don't run or push them at high volumes for long periods of time both amp and speakers should be fine.

This is max wattage, so if you are playing at full volume you are SOL but everything should be fine.
You can always repair the speakers if needed as they sell kits, I've done refoaming very easy but never cone or spider replacement.
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 Post subject: Re: What are some of the symptoms of overpowering speakers?
PostPosted: 07 May 2019, 21:28 
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First things first - I am no expert!!

Pretty sure that unless you have had them cranked-up high for a bit it should be fine for the speakers, though again no expert here.

Hope all is okay & you sort out the issues.

Cheers
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 Post subject: Re: What are some of the symptoms of overpowering speakers?
PostPosted: 07 May 2019, 22:09 
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Thanks for your posts.

The latest issue was major popping on one speaker between CDs, ie when there was no source and the amp was idle. 10:30 on the volume dial.

Could this be a symptom of a mismatched system or am I looking at leaking caps in the amp or something like that?
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 Post subject: Re: What are some of the symptoms of overpowering speakers?
PostPosted: 07 May 2019, 23:01 
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can you get some cheap speakers and see if that has the same problems?
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 Post subject: Re: What are some of the symptoms of overpowering speakers?
PostPosted: 08 May 2019, 21:24 
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xtempo wrote:
can you get some cheap speakers and see if that has the same problems?


the op shops around me literally have nothing suitable (ie high watt rating)
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 Post subject: Re: What are some of the symptoms of overpowering speakers?
PostPosted: 12 May 2019, 00:47 
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Okay I got advice on AVS Forums and apparantly you can't overpower decent speakers (even ones with lower power ratings) unless you crank the volume to max.

I think I already had known this and then forgot. Happens to me more and more, unknown knowns..

Anyway it's probably a bad cap or a grounding problem so it's back in the shop. Wait and see. Meanwhile I've replaced it with a reasonably priced TA-F3000ES which was the original amp these speakers were paired with. Sounds very good but not as much depth and power as when my 808ES is with them. I can't risk the 808s faults damaging my speakers tho, I love my speakers more than any people in my life.
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 Post subject: Re: What are some of the symptoms of overpowering speakers?
PostPosted: 25 May 2019, 19:19 
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A little late to the party,... but as an audiophile I figure I would chime in. As others mentioned, nothing really bad happens with using higher power amps with speakers rated at lower max watt ratings. You can blow a speaker (any speaker) with enough power. However, this would only happen if you were playing beyond the maximum volume. So unless you are absolutely blasting the speaker at crazy high volume (at which you would get massive distortion anyway), you can use any power amp with any "power rated" speaker.
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 Post subject: Re: What are some of the symptoms of overpowering speakers?
PostPosted: 26 May 2019, 08:53 
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forper wrote:
What are some of the symptoms of overpowering speakers?

Smoke.
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 Post subject: Re: What are some of the symptoms of overpowering speakers?
PostPosted: 27 May 2019, 06:06 
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invenio wrote:
A little late to the party,... but as an audiophile I figure I would chime in. As others mentioned, nothing really bad happens with using higher power amps with speakers rated at lower max watt ratings. You can blow a speaker (any speaker) with enough power. However, this would only happen if you were playing beyond the maximum volume. So unless you are absolutely blasting the speaker at crazy high volume (at which you would get massive distortion anyway), you can use any power amp with any "power rated" speaker.


Thanks man, yeah it's in the shop again and they're hopefully searching for bad caps now. I hate this f***ing amp..
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