Tube exciter - diyAudio
Go Back   Home > Forums > Amplifiers > Tubes / Valves

Tubes / Valves All about our sweet vacuum tubes :) Threads about Musical Instrument Amps of all kinds should be in the Instruments & Amps forum

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Reply
 
Thread Tools Search this Thread
Old 15th March 2002, 07:10 PM   #1
tiroth is offline tiroth  United States
diyAudio Member
 
Join Date: Dec 2001
Location: Pittsburgh, PA, USA
Default Tube exciter

Anyone have any recommendations or places to start looking for a tube exciter? Of course a preamp design set to unity gain would accomplish this in some ways, but I'd be interested in comments on obtaining that vaunted "tube sound".
  Reply With Quote
Old 15th March 2002, 09:29 PM   #2
diyAudio Member
 
Join Date: Oct 2001
Location: .
You could have a look at the Aphex Reflected Plate Amplifier patent( No.5450034) or the HiFi TubeHead on the Paia website
(www.paia.com). Both these devices are said to enhance tube sound.
ray.
  Reply With Quote
Old 21st October 2003, 11:08 AM   #3
Optical is offline Optical  New Zealand
diyAudio Member
 
Join Date: Nov 2002
Location: Auckland, New Zealand
Is the schematic for the RPA available if there is a patent number for it?
It looks like there is but the image wont load, has anyone seen it?
  Reply With Quote
Old 21st October 2003, 11:49 AM   #4
SY is offline SY  United States
diyAudio Moderator
 
SY's Avatar
 
Join Date: Oct 2002
Location: Chicagoland
Blog Entries: 1
Optical, what you need to do is load a TIFF reader plug-in for your browser. The USPTO sites has links to several freeware readers. Then the image will be accessible, storable, and printable.
__________________
You might be screaming "No, no, no" and all they hear is "Who wants cake?" Let me tell you something: They all do. They all want cake.- Wilford Brimley
  Reply With Quote
Old 21st October 2003, 02:00 PM   #5
diyAudio Member
 
jackinnj's Avatar
 
Join Date: Apr 2002
Location: Llanddewi Brefi, NJ
Quote:
Originally posted by SY
Optical, what you need to do is load a TIFF reader plug-in for your browser. The USPTO sites has links to several freeware readers. Then the image will be accessible, storable, and printable.
I always wondered why the USPTO didn't use Acrobat --

the TIFF reader is fine, however, I most of the time wind up ordering a hard copy -- they usually arrive in about 2 days here in NJ. You have to do this for most of the older patents anyway.
  Reply With Quote
Old 21st October 2003, 03:42 PM   #6
Colt45 is offline Colt45  Serbia
diyAudio Member
 
Join Date: Feb 2002
Location: Canada
Send a message via ICQ to Colt45
i'm rather confused as to what an exciter has to do with audio.
  Reply With Quote
Old 21st October 2003, 03:49 PM   #7
dhaen is offline dhaen  Europe
diyAudio Moderator Emeritus
 
dhaen's Avatar
 
Join Date: Jun 2002
Location: U.K.
my exciter has a pretty face and brown eyes
  Reply With Quote
Old 21st October 2003, 06:28 PM   #8
diyAudio Member
 
jackinnj's Avatar
 
Join Date: Apr 2002
Location: Llanddewi Brefi, NJ
Quote:
Originally posted by dhaen
my exciter has a pretty face and brown eyes
no, that's an osculator !

here's an exciter:
Attached Images
File Type: jpg exciter.jpg (27.2 KB, 265 views)
  Reply With Quote
Old 22nd October 2003, 10:02 AM   #9
Optical is offline Optical  New Zealand
diyAudio Member
 
Join Date: Nov 2002
Location: Auckland, New Zealand
Quote:
Originally posted by Colt45
i'm rather confused as to what an exciter has to do with audio.

makes it sound nice and full
well thats the idea anyway, it excites harmonics, result is similar to an eq..

thanks for the info on the TIFF plugin, i didnt know that, i figured it would let you download the file all the same..

jack, do you have a higher res image of the schem? looks interesting...
  Reply With Quote
Old 22nd October 2003, 11:28 AM   #10
diyAudio Member
 
Join Date: May 2002
Location: Switzerland
The expression exciter originates from RF technology where you use nonlinear circuits in order to generate integer multiples of a given frequency. That's what might have caused Colt's confusion.

The AURAL exciter also generates harmonics and lets the operator add those according to taste.

The outcome is quite astounding althogh it is just some sort of psychoacoustic cheating. It is definitely not HIFI if the meaning of this expression is taken seriously.
But it may help to add some warmth. It is best used for single instruments or voices; r the whole mix it should be avoided (depending on what you want to achieve of course).

Regards

Charles
  Reply With Quote

Reply


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Cartridge Exciter exurbia Analogue Source 8 12th April 2009 09:58 PM
Bass Exciter build dublin78 Subwoofers 1 25th September 2007 01:10 PM
modding my aphex 204 exciter depth Instruments and Amps 4 30th August 2006 04:01 AM
exciter... alecwek Parts 2 10th August 2004 01:45 PM
Aural exciter modification noground Parts 0 1st April 2004 06:32 PM


New To Site? Need Help?

All times are GMT. The time now is 04:45 PM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.
Copyright 1999-2014 diyAudio

Content Relevant URLs by vBSEO 3.3.2