Carver's tracking downconverter - thoughts? - Page 3 - diyAudio
Go Back   Home > Forums > Amplifiers > Solid State

Solid State Talk all about solid state amplification.

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 9th September 2002, 01:34 PM   #21
diyAudio Member
 
jan.didden's Avatar
 
Join Date: May 2002
Location: Great City of Turnhout, Belgium
Blog Entries: 7
Default tracking etc

I looked at the BASH site, and I really like the principle they used. I was not aware of these products.

What they do may not produce an amp with continuous 100W output, although for music use it should be more than enough. I think it is a very sensible approach. In another thread I have argued that sizing an amp for continuous 100W output and then using it on music is not very good engineering.

If these amps have no balls in car stereo, it may be due to the fact that in car systems very high continuous levels (inefficient speakers) seem to be the norm, not to speak of the strongly compressed signals used in broadcast programs.

Jan Didden
  Reply With Quote
Old 9th September 2002, 03:43 PM   #22
diyAudio Member
 
Neutron Bob's Avatar
 
Join Date: Jul 2002
Location: San Clemente, CA
Send a message via Yahoo to Neutron Bob
Red face Fluffy Marketing

So, what's the "transfer function" of snake oil?
  Reply With Quote
Old 9th September 2002, 03:54 PM   #23
diyAudio Member
 
Neutron Bob's Avatar
 
Join Date: Jul 2002
Location: San Clemente, CA
Send a message via Yahoo to Neutron Bob
Default Post Script

Mind you, I'm not picking on the compact HiFonics amps...very clever for the application. Space is at a premium in most vehicles.

Interesting BASH information as well.

I just shudder when the buying public is subjected to technobabble...the end result is a distrust of what proves to be solid technology.
  Reply With Quote
Old 11th September 2002, 03:06 PM   #24
diyAudio Member
 
jan.didden's Avatar
 
Join Date: May 2002
Location: Great City of Turnhout, Belgium
Blog Entries: 7
Default Tracking converter

Hot off the press:

Apparently ADI has found a way to put a system as the BASH amp in a single chip....
Check out the AD8393. I wonder how they do it, must be some type of capacitive voltage doubler.

Jan Didden
  Reply With Quote
Old 11th September 2002, 03:51 PM   #25
diyAudio Member
 
Join Date: Sep 2002
Location: Colonia, NJ
Send a message via Skype™ to LukasLouw
"Apparently ADI has found a way to put a system as the BASH amp in a single chip....
Check out the AD8393. I wonder how they do it, must be some type of capacitive voltage doubler."

Yea, these things are quite the rage now. I think that I saw similar parts from either Philips or ST, or maybe both.

They look look they have capacitave voltage multipliers to increase the rails, then they appear to work in Class G type mode, I don't see any reference to PWM for the extra rails.

Lukas
  Reply With Quote
Old 11th September 2002, 04:36 PM   #26
sam9 is offline sam9  United States
diyAudio Member
 
sam9's Avatar
 
Join Date: Jun 2002
Location: Left Coast
Default Class G-Project

If anyone is really interested in pursuing this topic on a DIY basis, Doug Self has published the schemiatic for a class-G amp. Kit and boards are available.

To my eye it looks like his "Blameless Amp" topology modified with inner and outer rail. The claimed THD+N is close to class B, he says.

I gather that the switching noise is the compromise one suffers with all Class G,H,D, BASH, Carver/Sunfire schemes. The agrument in favor seems to be that although they still are inferior in that regard to class B but pushed the limits enough to fall to an inaudible level. The motivation for the extra effort is obviously( to me) to be able to package five or more channels of substantial amplification into a "consumer friendly" emclosure. For traditional 2-channel stereo application, I doubt the effort is worthwhile.

By the way I use a Carver M-400, "cube" of considerable age and find it quite satisfactory as used.
  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
Tracking problem, need help Assyst1606 Digital Source 21 19th October 2006 11:13 AM
Why not/yes, Dual tracking psu... gmphadte Solid State 2 14th February 2006 04:13 AM
Tracking down the CD-Pro2 Strohmie Digital Source 10 7th May 2004 05:47 PM
does linear POT have better tracking that a log one? jarthel Parts 2 28th June 2003 11:51 PM


New To Site? Need Help?

All times are GMT. The time now is 06:29 AM.


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