Search | 4hv.org

Welcome

Online

Members Birthdays:

All today's birthdays', congrats!
Eric (53)
HM_Murdock (53)

Next birthdays
07/18 Billybobjoe (35)
07/19 Thomas (40)
07/19 VulcanBB18 (50)

Contact

Support 4hv.org!

Donate:
4hv.org is hosted on a dedicated server. Unfortunately, this server costs and we rely on the help of site members to keep 4hv.org running. Please consider donating. We will place your name on the thanks list and you'll be helping to keep 4hv.org alive and free for everyone. Members whose names appear in red bold have donated recently. Green bold denotes those who have recently donated to keep the server carbon neutral.
Special Thanks To:

Aaron Holmes
Aaron Wheeler
Adam Horden
Alan Scrimgeour
Andre
Andrew Haynes
Anonymous000
asabase
Austin Weil
barney
Barry
Bert Hickman
Bill Kukowski
Blitzorn
Brandon Paradelas
Bruce Bowling
BubeeMike
Byong Park
Cesiumsponge
Chris F.
Chris Hooper
Corey Worthington
Derek Woodroffe
Dalus
Dan Strother
Daniel Davis
Daniel Uhrenholt
datasheetarchive
Dave Billington
Dave Marshall
David F.
Dennis Rogers
drelectrix
Dr. John Gudenas
Dr. Spark
E.TexasTesla
eastvoltresearch
Eirik Taylor
Erik Dyakov
Erlend^SE
Finn Hammer
Firebug24k
GalliumMan
Gary Peterson
George Slade
GhostNull
Gordon Mcknight
Graham Armitage
Grant
GreySoul
Henry H
IamSmooth
In memory of Leo Powning
Jacob Cash
James Howells
James Pawson
Jeff Greenfield
Jeff Thomas
Jesse Frost
Jim Mitchell
jlr134
Joe Mastroianni
John Forcina
John Oberg
John Willcutt
Jon Newcomb
klugesmith
Leslie Wright
Lutz Hoffman
Mads Barnkob
Martin King
Mats Karlsson
Matt Gibson
Matthew Guidry
mbd
Michael D'Angelo
Mikkel
mileswaldron
mister_rf
Neil Foster
Nick de Smith
Nick Soroka
nicklenorp
Nik
Norman Stanley
Patrick Coleman
Paul Brodie
Paul Jordan
Paul Montgomery
Ped
Peter Krogen
Peter Terren
PhilGood
Richard Feldman
Robert Bush
Royce Bailey
Scott Fusare
Scott Newman
smiffy
Stella
Steven Busic
Steve Conner
Steve Jones
Steve Ward
Sulaiman
Thomas Coyle
Thomas A. Wallace
Thomas W
Timo
Torch
Ulf Jonsson
vasil
Vaxian
vladi mazzilli
wastehl
Weston
William Kim
William N.
William Stehl
Wesley Venis

The aforementioned have contributed financially to the continuing triumph of 4hv.org. They are deserving of my most heartfelt thanks.

Search 4hv.org

Results 1361 - 1370 of 3952 in Forum

General Science and Electronics | So I got this Tube...
Posted by steve516 on Saturday 16 April 2011 - 23:20:21
...ion plans on 4hv and other places on the web for "plasma tweeters" and "plasma speakers". You can also find some information if you search on "singing...
High Voltage | 2.1 (Good) Sound System with Singing Arc
Posted by Chip Fixes on Friday 08 April 2011 - 22:23:09
Ozone is not much of a problem with high current low voltage arcs like a plasma speaker uses. I have not noticed any ozone at all from my speaker, eve...
High Voltage | 2.1 (Good) Sound System with Singing Arc
Posted by Chip Fixes on Friday 08 April 2011 - 22:23:09
Fundamental design flaw of the air-cored plasma speaker (such as tramppros) is that the core will saturate at a relatively low frequency, ~200kHz. Sin...
High Voltage | 2.1 (Good) Sound System with Singing Arc
Posted by Chip Fixes on Friday 08 April 2011 - 22:23:09
...omework with the ozone, the guy that invented the plasma speaker died of ozone poisoning, but it really depends on your arcs and the ventilation of th...
High Voltage | 2.1 (Good) Sound System with Singing Arc
Posted by Chip Fixes on Friday 08 April 2011 - 22:23:09
After some research i decided that I will use DC flybacks instead of AC. A DC flyback won't work for a plasma speaker. You need high...
High Voltage | 2.1 (Good) Sound System with Singing Arc
Posted by Chip Fixes on Friday 08 April 2011 - 22:23:09
Actually a plasma speaker just needs an arc so a DC flyback will work just fine. (unless it's a sstc)
High Voltage | 2.1 (Good) Sound System with Singing Arc
Posted by Chip Fixes on Friday 08 April 2011 - 22:23:09
I don't know where to start, but here goes. I built a plasma speaker with a 555 timer and it came out quite well. So I did some research and watched a...
General Science and Electronics | Genergal tl494 design question
Posted by Tightmopedman9 on Sunday 27 March 2011 - 20:54:16
In designing the PWM circuitry for a plasma speaker I started wondering about the best way to control the dead time and modulate the square wave in ac...
High Voltage | Half controlled fullbridge oscillating problem
Posted by Tightmopedman9 on Thursday 24 March 2011 - 22:21:20
I'm currently working on a plasma speaker utilzing a PWM TL494, UCC3722 9A mosfet driver and a GDT. Gate waveforms are, from what I can tell, looking ...
General Chatting | Problem? plasma television
Posted by haxor5354 on Wednesday 23 March 2011 - 00:35:37
NEVER buy any products from Daytek 1 bad IC = 1 piece of junk I can't even replace the IC because the ribbon cable it embedded in the glass panel ...

Go to page first previous 133 134 135 136 137 138 139 140 141 142 next last

Legal Information