[Elecraft] OT: Speaker Wire Recommendations?
Walter Underwood
wunder at wunderwood.org
Fri Jan 10 18:38:58 EST 2020
I missed that “the audio system” was hi-fi instead of communications audio.
wunder
Walter Underwood
wunder at wunderwood.org
http://observer.wunderwood.org/ (my blog)
> On Jan 10, 2020, at 3:35 PM, Fred Jensen <k6dgw at foothill.net> wrote:
>
> 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)
>>
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to wunder at wunderwood.org
More information about the Elecraft
mailing list