| From: | Don Cox |
| Date: | 15 Sep 2001 at 11:06:46 |
| Subject: | [amigactive] Re: Speaker to me! |
On 14-Sep-01, John Reed wrote:
> A mini jack plug, yes ? If so, just buy a couple of in-line min jack
> sockets and wire these to L&R phono plugs to connect to the Amiga.
> This, of course, won't give you amplified sound to drive the speakers.
> For that, you would need some sort of amplifying system between
> the Amiga and the speakers.
> My solution was to buy a pair of cheap self-amplified speakers
> (Creative) and use the above mod. Works OK but connecting to a HiFi is
> better.
In case anyone isn't clear, the "multimedia" speakers supplied for use
with computers include their own built in amplifiers, and should be
connected to a line level output (around 1 volt) such as the twin phonos
on the back of an Amiga or the headphone output on the ront of a CD-ROM
drive.
Ordinary hi-fi speakers do not include their own amplifiers (except a
few very expensive models) and should be connected to the speaker
outputs of an amplifier or music centre.
The difference is that a line level connection links the two circuits so
that they are at the same voltage, with as little current flowing as
possible, while a speaker connection carries the (often large) amounts
of current needed to drive the cones in and out. So a speaker output
uses big tough transistors. (Speakers often, but not always, use a
higher voltage than line level, too - depends on the volume control
setting.)
A headphone output is somewhere between the two.
When shopping for good used hi-fi gear, NAD is generally a safe buy. Any
decent hi-fi amplifier should have a life span of at least 20 years.
Hope that helps.
Regards
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