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Nov 2, 2009 1:28 PM
by: cosmichobo
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From:
Rhode Island
Registered:
Mar 19, 2008
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External Speakers
Posted:
Nov 2, 2009 9:40 AM
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I've hooked up external speakers to my eMac, and the sound is "smaller" than the built-in speakers.
I have two desktop Yamaha speakers: the kind with a "bare wire" input for black/red on the back. My local Radio Shack recommended I buy non-soldering phono plugs so I may attach them to a single jack, then insert the two single jacks (one for left speaker, one for right) into another jack that lets me have a single input.
I did so. I plugged this single jack into the eMac's headphone port, made sure all the volumes were turned up, and yes, sound is coming out of the desktop speakers.
The problem is, the sound is small and tinny, compared to the eMac's built-in speakers.
I'm not a computer expert, so I don't know much about sound cards, audio drivers, etc. What should I do?
eMac
Mac OS X (10.5.8)
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Posts:
364
From:
Nova Scotia
Registered:
Jul 29, 2000
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Re: External Speakers
Posted:
Nov 2, 2009 10:25 AM
in response to: Mr. Tim
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What can you tell us about your external speakers? My guess would be that they don't meet the eMac's requirements.
The headphone jack provides enough current to drive a pair of low-impedance headphones. Headphones should have an impedance not lower than the recommended minimum impedance of 32 ohms. Headphones with lower impedance can be used, but with some degradation in performance.
http://support.apple.com/kb/HT3021
eMac Combo 1GHz/1GB/60GB MacBook (white in colour)
Mac OS X (10.4.11)
iPS, CanoScan D646U, Canon iP1600, DSL, D-Link DI-624: iMac 333MHz
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Posts:
5,742
From:
Lewiston, Idaho USA
Registered:
Nov 27, 2001
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Re: External Speakers
Posted:
Nov 2, 2009 11:20 AM
in response to: Mr. Tim
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I agree with K.S--it sounds like you have some sort of mismatch. Typical computer speakers have a separate power brick that drives a little amp within one of the speaker enclosures. The amp boosts the signal to proper levels. I've had "no-name" speakers with that internal amp config produce very nice sound on our Macs regardless of model or vintage.
I picked up two Radio Shack Optimus 25 bookshelf speakers at a garage sale (US$4) and later a small Radio Shack 20-watt bookshelf amp (US$2 at yet another yard sale). This combo makes great sound on my G4 minitower but I know that, without the amp, I'd get little output.
The exception were the old "Apple Pro" speakers. They used a separate and special audio-out port on certain Mac models that, in addition to the audio signal, provided power to the speakers. I don;t think the eMac has that extra port these rather cool-looking speakers require.
PowerMac G4 MDD 1.25G SP;
Mac OS X (10.4.11)
; MacBookPro Late2007 2.2G 15" (10.5.7); PowerBook G4 1Ghz 17" (10.4.11)
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Posts:
565
From:
Brisbane, AU
Registered:
May 31, 2004
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Re: External Speakers
Posted:
Nov 2, 2009 1:28 PM
in response to: Allan Jones
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No, the eMac isn't compatible with the Apple Pro Speakers... and even on those that are, you can't just use any speakers for that "extra" feature - has to be the Pros with their extra long 3.5mm plug.
eMac 1.25Ghz 1GB/160GB
Mac OS X (10.4.9)
Repaired "bad cap" eMac
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