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Re: Re: In-ceiling amplifiers



PICTURES ...PICTURES ....PICTURES ;-))

Hi Shane

>Yep I was actually testing it tonight.  All> >channels are
working,
>sources appear to be switching and my MP3's are >playing nicely
through
>it - I'm using mp3elf's with jreceiver.

Nice ;-)))........Arent they both MP3 players ??? are they connected
together ????


>I am currently using it in a rack situation as >Marcus mentioned but
it
>should convert to a standalone unit OK as well. >Source selection (1
of 4
>on each zone) and volume is electronically >adjustable.  I have made
>provision for serial RS232/RS485 control but not >actually tested
that as
>I use a Linet network to control it - >http://www.linet-network.com.

PICTURES ;-))


>At Frank's nagging :-) I added IR to it at the last >minute.

;-))

>Major issue would be power supply for most
>people I expect since 3 zones probably needs around >6 x 1.5 amps @
40V.

Where did you source your transformers ???????


Frank








----- Original Message -----
From: Shane Harrison
To: ukha_d@xxxxxxx
Sent: Wednesday, July 09, 2003 9:16 PM
Subject: RE: [ukha_d] Re: In-ceiling amplifiers


Yep I was actually testing it tonight.  All channels are working,
sources appear to be switching and my MP3's are playing nicely through
it - I'm using mp3elf's with jreceiver.

I am currently using it in a rack situation as Marcus mentioned but it
should convert to a standalone unit OK as well. Source selection (1 of 4
on each zone) and volume is electronically adjustable.  I have made
provision for serial RS232/RS485 control but not actually tested that as
I use a Linet network to control it - http://www.linet-network.com.

At Frank's nagging :-) I added IR to it at the last minute.

Need to get a signal analyser from work and do a few noise checks but
essentially I was going for a middle of the road amplifier for whole
house audio rather than "Hi-Fi" quality.

Not sure where to take it after I give my second prototype to Frank -
depends on interest shown by others I guess and whether it is worth
making some more PCB's etc.  Major issue would be power supply for most
people I expect since 3 zones probably needs around 6 x 1.5 amps @ 40V.

Cheers
Shane
> -----Original Message-----
> From: Frank Mc Alinden [mailto:fmcalind@xxxxxxx]
> Sent: Wednesday, 9 July 2003 7:47 p.m.
> To: ukha_d@xxxxxxx
> Subject: Re: [ukha_d] Re: In-ceiling amplifiers
>
>
> Hi Marcus
>
>             Shane Harrison is currently developing a 3 zone
> stereo amp which i think will have a serial interface......I
> think its around 20 watts.....and i hope to do an ir
> interface for it when Shanes ready............
>
> Frank
>   ----- Original Message -----
>   From: Marcus Warrington
>   To: ukha_d@xxxxxxx
>   Sent: Wednesday, July 09, 2003 2:54 AM
>   Subject: [ukha_d] Re: In-ceiling amplifiers
>
>
>   Well for my own house I'd like a cheap small stereo amp
> that provides reasonable
>   sound quality, and whose volumne can be adjusted
> electronically. i.e. I want
>   a web server to be able to adjust the volume of an
> individual amp. Ideally I'd then
>   have a rack of 15 of these in node0 (one for each
> room/zone) and a webserver acting
>   as a central controller.
>
>   Ok somewhere in there I'd need some sources and a switcher as well..
>
>   Marcus
>
>   >  Date: Fri, 4 Jul 2003 11:42:10 +0100
>   >   From: <ha@xxxxxxx>
>   >
>   >Alright then, what exactly do you want in an ideal world.
> I guess if at
>   >least 2 people on this list need something, then maybe a
> whole bunch of
>   >other people do to, and it maybe worth me making it into a
product,
>   >especially as I have a 12v powered amp prototype 'standing by'.
>
>         Yahoo! Groups Sponsor
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>
>
>
>
>   ** UKHA2004 BE THERE! ** - start planning now.
>
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