Subject: | |
From: | |
Reply To: | |
Date: | Thu, 20 Sep 2007 17:58:51 +0200 |
Content-Type: | text/plain |
Parts/Attachments: |
|
|
Strange, people are moving from here...several houses for sale...
/Inge
-----Ursprungligt meddelande-----
Från: TechNet [mailto:[log in to unmask]] För Eric CHRISTISON
Skickat: den 20 september 2007 17:26
Till: [log in to unmask]
Ämne: Re: [TN] NTC:subwoofer
Are your neighbours deaf or do you live in the countryside?
Ahne Oosterhof wrote:
> 400 Watt and a 4 Ohm speaker?!? Make sure you have high temperature
> insulation on the speaker cables and watch out for the broken window
glass.
> That's why Philips made 400 and 800 Ohm speakers. Still got some.
>
> Ahne.
>
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Hfjord
> Sent: Wednesday, 19 September, 2007 13:57
> To: [log in to unmask]
> Subject: [TN] NTC:subwoofer
>
> Audio techies,
> I've built a subwoofer with a 15" 400 Watt loadspeaker (4 Ohms). Bought a
> 200 Watt low frequency 12 V amplifier. For that one, I built a 12 VDC
power
> supply with 15 A toroid, regulator, OP amplifier and a backup consisting
of
> totally 100,000 uF on the output. What is your experience? Will these caps
> be enough to take the short power tops in Space War or the enormous sound
> effects in Matrix or Jurassic Park? Any thumb rules or maths?
> /Inge
>
> ---------------------------------------------------
> Technet Mail List provided as a service by IPC using LISTSERV 15.0 To
> unsubscribe, send a message to [log in to unmask] with following text in the
> BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or
> (re-start) delivery of Technet send e-mail to [log in to unmask]: SET
Technet
> NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send
> e-mail to [log in to unmask]: SET Technet Digest Search the archives of
> previous posts at: http://listserv.ipc.org/archives Please visit IPC web
> site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional
> information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100
> ext.2815
> -----------------------------------------------------
>
> ---------------------------------------------------
> Technet Mail List provided as a service by IPC using LISTSERV 15.0
> To unsubscribe, send a message to [log in to unmask] with following text in
> the BODY (NOT the subject field): SIGNOFF Technet
> To temporarily halt or (re-start) delivery of Technet send e-mail to
[log in to unmask]: SET Technet NOMAIL or (MAIL)
> To receive ONE mailing per day of all the posts: send e-mail to
[log in to unmask]: SET Technet Digest
> Search the archives of previous posts at: http://listserv.ipc.org/archives
> Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16
for additional information, or contact Keach Sasamori at [log in to unmask] or
847-615-7100 ext.2815
> -----------------------------------------------------
>
>
--
Eric Christison Msc
Mechanical Engineer
Home Personal, Communication Sector
Imaging Division
STMicroelectronics (R&D) Ltd
33 Pinkhill
Edinburgh EH12 7BF
United Kingdom
Tel: +44 (0)131 336 6165
Fax: + 44 (0)131 336 6001
---------------------------------------------------
Technet Mail List provided as a service by IPC using LISTSERV 15.0
To unsubscribe, send a message to [log in to unmask] with following text in
the BODY (NOT the subject field): SIGNOFF Technet
To temporarily halt or (re-start) delivery of Technet send e-mail to
[log in to unmask]: SET Technet NOMAIL or (MAIL)
To receive ONE mailing per day of all the posts: send e-mail to
[log in to unmask]: SET Technet Digest
Search the archives of previous posts at: http://listserv.ipc.org/archives
Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16
for additional information, or contact Keach Sasamori at [log in to unmask] or
847-615-7100 ext.2815
-----------------------------------------------------
---------------------------------------------------
Technet Mail List provided as a service by IPC using LISTSERV 15.0
To unsubscribe, send a message to [log in to unmask] with following text in
the BODY (NOT the subject field): SIGNOFF Technet
To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL)
To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest
Search the archives of previous posts at: http://listserv.ipc.org/archives
Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815
-----------------------------------------------------
|
|
|