hafler xl280 amp info - 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 17th March 2003, 04:39 PM   #1
diyAudio Member
 
Join Date: Jul 2002
Location: South Africa
Default hafler xl280 amp info

Hi there,
help needed - diagram of hafler xl280 amplifier and what power is it? Want to bridge it and use for a sub.
Jack
  Reply With Quote
Old 17th March 2003, 06:58 PM   #2
Zen Mod is offline Zen Mod  Serbia
diyAudio Member
 
Zen Mod's Avatar
 
Join Date: Jan 2003
Location: ancient Batsch , behind Iron Curtain
http://www.hafler.com/techsupport/techsupport.asp?ID=3

try
__________________
my Papa is smarter than your Nelson !
clean thread; Cook Book;PSM LS Cook Book;Baby DiyA ;Mighty ZM's Bloggg;Papatreasure;Papa...© by Mighty ZM
  Reply With Quote
Old 18th March 2003, 04:17 AM   #3
diyAudio Member
 
Join Date: Jul 2002
Location: South Africa
Thanks for quick reply, but their "tech support" doesn't open.
  Reply With Quote
Old 18th March 2003, 07:42 AM   #4
diyAudio Member
 
Join Date: May 2002
http://www.hafler.com/techsupport/pd...80_amp_man.pdf
  Reply With Quote
Old 18th March 2003, 05:22 PM   #5
diyAudio Member
 
Join Date: Jul 2002
Location: South Africa
Thanks, downloading, downloading...
  Reply With Quote
Old 21st March 2003, 05:59 AM   #6
diyAudio Member
 
Join Date: Mar 2003
Location: Northwest
If you have any questions about this amp, please ask, I used to have one and designed and built my own version from scratch. This amp has an interesting background in that it was designed using an input/output null distortion analysis to be the "world's most perfect amplifier". It actually has a "linearity adjustment" designed to optimize it into your particular speakers.
  Reply With Quote
Old 21st March 2003, 04:35 PM   #7
diyAudio Member
 
Tube_Dude's Avatar
 
Join Date: Mar 2002
Location: Aveiro-Portugal
Default The proof of the puding...

Quote:
This amp has an interesting background in that it was designed using an input/output null distortion analysis to be the "world's most perfect amplifier".
This is my favorite test,that i use for so long...with it you can see all distortions ( invented or yet indiscovered)...it was amazing to do this test in some very expensive comercial amps.. hehehehe!
You can do the test even with music signals...and with a speaker load...in real conditions of operation!!
In a nutshell...if the input is equal to the output the amp desapear from the equation...as it is tottaly transparent...so time to look at the source and speaker!!

So simple and so true!!

But i wonder who is searching the truth in audio...just a fews!!

Cheers
__________________
Jorge
  Reply With Quote
Old 21st March 2003, 04:38 PM   #8
diyAudio Member
 
Join Date: Mar 2003
Location: Northwest
Default Null distortion testing

I just wrote a new thread on this subject (well on blind listening tests but I included my results of null testing)! I agree with you, it's a very revealing test and many don't want to know the results.
  Reply With Quote
Old 21st March 2003, 06:45 PM   #9
diyAudio Member
 
Tube_Dude's Avatar
 
Join Date: Mar 2002
Location: Aveiro-Portugal
Default Nice to agreed with you...

Quote:
I just wrote a new thread on this subject (well on blind listening tests but I included my results of null testing)!
Well can you tell me where is that thread?? please!!I'm curious!!

Yes with this test we can even state that amp X is 2 times better (or worst) that amplifier Y...a designer dream...

I' remember the entangling of the Hi-Fi news /stereo revue crew...when they compare using the nulling test the hafler and a very expensive Audio Research...and some letters from David Hafler to Martin Coloms..

Many years have passed and the most powerfull tool in acessing amps linearity....is not only forgotten...but sometimes deliberately
ignored!!

With this test the breaking in of cables...the vibration coumponds..the suporting cones...ETC...will have no future!!So no wonder!!

Hoping hear from you!!
__________________
Jorge
  Reply With Quote
Old 21st March 2003, 06:59 PM   #10
diyAudio Member
 
Join Date: Mar 2003
Location: Northwest
You can read my comments here:

http://diyaudio.com/forums/showthrea...threadid=12752
  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
Hafler IRIS Preamp Schema or info ? promitheus Solid State 12 19th May 2013 09:46 PM
Hafler XL280 Thermal/Heat Switch? RnR Solid State 3 16th July 2009 04:33 PM
Hafler XL280-went kaput echelonphoto Solid State 8 14th January 2009 12:18 AM
Hafler XL280 mods gain/low frequency cutoff problem HaflerFreak Solid State 29 6th September 2007 11:55 PM
help repairing Hafler xl280 Truckee_Tango Solid State 25 26th August 2006 06:08 PM


New To Site? Need Help?

All times are GMT. The time now is 07:28 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