[Elecraft] OT: Speaker Wire Recommendations?
Fred Jensen
k6dgw at foothill.net
Fri Jan 10 18:35:27 EST 2020
Hmmm ... I've always thought 70V systems were designed for PA usage
where BW is somewhat limited. Something about the transformers
saturating on the hi power in the extreme bass of quality
Hi-Fi/Stereo/HT systems? Not a professional however, easily could be wrong.
73,
Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County
On 1/10/2020 11:08 AM, Walter Underwood wrote:
> If it is a long run, you might use a 70.7 V system with Cat 5 cable. Put transformers on each end to run higher voltage (lower current) on the wire and use cheap, good twisted pair.
>
> https://en.wikipedia.org/wiki/Constant-voltage_speaker_system
>
> Another approach would be to use line-level over Cat 5, then put an audio amplifier at the speaker. I use a dual 15 W amp that runs off of 9 to 18 V.
>
> https://smile.amazon.com/gp/product/B00C4MT274/
>
> Amazon shows the exact model at not available, but there are plenty of similar alternatives.
>
> https://smile.amazon.com/Amplifier-DROK-Channel-Digital-Speakers/dp/B07PYGCVWJ/
> https://smile.amazon.com/dp/B075JDPTKM/
>
> wunder
> K6WRU
> Walter Underwood
> CM87wj
> http://observer.wunderwood.org/ (my blog)
>
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