Go Back   Home > Forums > Amplifiers > Headphone Systems

Headphone Systems Everything to do with Headphones

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 12th April 2012, 01:43 PM   #21
diyAudio Member
 
Join Date: Dec 2010
Location: Catskills
Quote:
Originally Posted by hochopeper View Post
I guess the -145dB that qusp was pulling from memory is related to these measurements - "The Wire" Ultra-High Performance Headphone Amplifier - PCB's

That was the latest set of measurements I could find in that thread. I personally haven't spent much time considering tweaks to the performance because I know the limitations in my system are elsewhere.
Is there another design using the 9600 paralleled into a power amp? I was under the impression there was, am I wrong?

The specs look impressive, how does it sound? I've built a few of these types of amps and they sound good but sometimes specs can fool you. Yes, we all need specs and I'm not saying this amp sounds flat or dry but I know that they never seem to make people smile the way a tube does. I think it's the way we hear and interpret sounds. (I don't want to get into a tube SS debate here, to each his own)

Personally I like hybrid amps, even my "5002 Project" for aX is run with my 6SN7 preamp or my new tube amp coming out in the May issue which isn't the quietest amp in the world but everyone who hears it smiles and wants one. I did a blind test and the difference was amazing, listeners, both seasoned and non-audiophiles (whatever that is!) all went to the hybrids to a person.

I've seen specs on amps and thought, "this must sound like garbage" but I've been completely wrong! So, yes, specs are important but remember no one has the spec for musicality and what makes us really love a sound.

Again, I don't want to diminish this amp, it looks very good but I use these 'super chips' to give a neutral sound and to bring out everything in my hybrids. If you get aX take a look next month at how I mated a tube to these types of chips.

Rob

Last edited by robaroni; 12th April 2012 at 01:47 PM.
  Reply With Quote
Old 12th April 2012, 01:53 PM   #22
diyAudio Member
 
Join Date: Feb 2009
Location: Brisbane, Australia
Quote:
Originally Posted by robaroni View Post
Is there another design using the 9600 paralleled into a power amp? I was under the impression there was, am I wrong?
Yes, there is the LPUHP version also - The Wire - Low Power Ultra High Perfromance (LPUHP) 16W Power Amplifier - measurements/specs are all in the first few posts for that one. Its not really a headphone amplifier other than for those headphones that are really just speakers strapped to your head.

I haven't built mine yet so can't comment on the sound. I haven't read anywhere of anyone finding the sound lacking on any of opc's designs, I haven't read of any blind tests though and I'm happy to admit that anyone who's just finished building something is never in an un-biased position.
  Reply With Quote
Old 12th April 2012, 02:06 PM   #23
diyAudio Member
 
Join Date: Dec 2010
Location: Catskills
Quote:
Originally Posted by hochopeper View Post
who's just finished building something is never in an un-biased position.

How true, I've certainly tripped over Schrodenger's Cat more than once!

Rob

I'll take a look at the power amp, thanks.
  Reply With Quote
Old 12th April 2012, 02:24 PM   #24
diyAudio Member
 
Join Date: Dec 2010
Location: Catskills
The power amp is an interesting design, I think the 9600 chips are probably better than the older 5002's I used in my amp although the 5002 amp sounds pretty darn good. It needs some tweaks but I've been listening to it for over a year everyday at my computer with no fatigue. I'm running Dynaudio x12's which aren't the most efficient speakers either but I do run a powered sub which helps.
I'm going to build an LM1875 amp to compare it to the 5002 just to see the difference. As much as I like tubes I don't like them as power amps, I'm not a big transformer fan and I think the chip buffers make better interstage (transconductance) devices. You get all the sound from the tube in the line amp in my view. Again, to each his own.
I like these high slew rate chips, I think there is something to that, the LM1875 and 3886 aren't especially hi slew rate and that's why I want the comparison.

Rob
  Reply With Quote
Old 18th April 2012, 06:21 AM   #25
Serg69 is offline Serg69  United States
diyAudio Member
 
Join Date: Feb 2012
Do i detect a hybrid wire coming to fruition..
  Reply With Quote
Old 19th April 2012, 01:55 AM   #26
Mickey is offline Mickey  China
diyAudio Member
 
Mickey's Avatar
 
Join Date: Feb 2005
Location: China
THE PIPE thread is here, please help this n00b
__________________
I can get you whatever you want
  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
Advent 5002 specs astouffer Multi-Way 0 9th September 2011 11:56 PM
Hitachi Servo/RF-Amp HA12158NT ("HA 12158 NT", HA12158, "HA 12158NT") from Linn Karik tiefbassuebertr Digital Source 6 27th June 2011 01:14 PM
Anyone played around with this HA-5002 current buffer? georgehifi Digital Source 2 10th June 2008 01:45 AM
HA HA HA this is GREAT!!! ebay scammer rtlbuilder The Lounge 14 25th July 2006 06:57 AM
My nominee for best guerilla marketing..../Ha Ha planet10 Everything Else 24 30th December 2003 10:50 AM


New To Site? Need Help?

All times are GMT. The time now is 08:27 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