Triode or ultraliner connected ? - 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 30th July 2013, 06:38 PM   #1
diyAudio Member
 
lduarte1973's Avatar
 
Join Date: Feb 2009
Location: Lisbon
Default Triode or ultraliner connected ?

anyone knows if these amps are triode or ultralinear connected ?

http://www.ebay.com/itm/261255093156...84.m1423.l2648
__________________
Hey ! just because im getting bald doesnt mean i cant like hair metal
  Reply With Quote
Old 30th July 2013, 06:55 PM   #2
tomchr is offline tomchr  United States
diyAudio Member
 
tomchr's Avatar
 
Join Date: Feb 2009
Location: Greater Seattle Area
Have you tried asking the seller?
__________________
Modulus-86: Composite amp achieving 0.00018 % THD. Damn Good 300B, Novar Spud, 21st Century Maida Reg., Filament Reg., etc.
Neurochrome : : Audio - http://www.neurochrome.com/audio - Engineering : : Done : : Right
  Reply With Quote
Old 30th July 2013, 07:04 PM   #3
diyAudio Member
 
lduarte1973's Avatar
 
Join Date: Feb 2009
Location: Lisbon
he claims triode but i read on the web that this are ultralinear so i dont know if i can trust him
__________________
Hey ! just because im getting bald doesnt mean i cant like hair metal
  Reply With Quote
Old 30th July 2013, 07:11 PM   #4
diyAudio Member
 
Join Date: Mar 2006
Location: michigan
Quote:
Originally Posted by lduarte1973 View Post
anyone knows if these amps are triode or ultralinear connected ?

HARTUNG-SE-2x3, Hi Fi- Vacuum Tube Triode connected Amplifier
At the very low power rating of the amps,they are no doubt triode connected but here is another thing.Since they are OTL,there is no way you can connect them in Ultra linear.

Last edited by michaelsamra; 30th July 2013 at 07:14 PM.
  Reply With Quote
Old 30th July 2013, 07:30 PM   #5
diyAudio Member
 
artosalo's Avatar
 
Join Date: Feb 2010
OTL tube amplifier with one output pentode but capable to feed 3 W to 4 ohms loudspeaker. Interesting, but hardly true.
I suppose that it is an ordinary SE amplifier. There is clearly a transformer box at the rear part of the chassis.

Last edited by artosalo; 30th July 2013 at 07:47 PM.
  Reply With Quote
Old 30th July 2013, 07:45 PM   #6
diyAudio Member
 
vinylkid58's Avatar
 
Join Date: May 2005
Location: Victoria, B.C.
Quote:
Originally Posted by artosalo View Post
OTL tube amplifier with one output pentode but capable to feed 3 W to 4 ohms loudspeaker. Interesting, but hardly true.
I call it misleading. The website is also quite vague. There's a picture of the amp in question, but no mention that it's OTL.

jeff
  Reply With Quote
Old 30th July 2013, 08:38 PM   #7
diyAudio Member
 
Join Date: Apr 2011
Location: Pretoria
Looks like OTL, from the manufacturer's website. It makes the following bold claim.

Quote:
After many years of repeated tests and improvements our OTL technology gives a true sound and is among the finest available on the market today. After many years of repeated tests and improvements our OTL technology gives a true sound and is among the finest available on the market today.
Hartung OTL
Only four tubes for a stereo amp? The outputs are 6P1P-EV Russian military(!) tubes. The driver/splitter tubes are 6S4P-EV military tubes (in pure single triode, whatever that implies).

Hard to tell what is in the box behind the tubes but judging by the size of the output posts in the picture it is not very big, Unlikely that there could be two output transformers and a power transformer in there but who knows? Also there are no taps for 4, 8, 16 ohms like OPTs usually have. The speaker outputs are rated for 4 ohm, as stated on the website.

Last edited by ingenieus; 30th July 2013 at 09:06 PM.
  Reply With Quote
Old 30th July 2013, 09:00 PM   #8
diyAudio Member
 
Join Date: Mar 2010
Default ebay link not OTL

Ebay link shows SE amp with 6P1P-EV tubes and those can't make 3W in triode connection (if EL84 makes some 1.5W in triode these can only be less) so it's either UL or plain pentode (perhaps with Shade feedback)

OTL link on vendor's own site shows rather beefy 4x6c33c monoblocks and those do make sense but have nothing to do with the amp OP inquired about
  Reply With Quote
Old 30th July 2013, 09:02 PM   #9
TheGimp is offline TheGimp  United States
diyAudio Member
 
TheGimp's Avatar
 
Join Date: Aug 2009
Location: Johnson City, TN
Looks to me like two transformers in the cage to the left and right.

a single 6P1P-EV is not going to drive a 4R speaker without a transformer. They will make 3W in UL mode if you push them, but not in triode mode.

FireFly Single Ended Tetrode

The web site does show OTL amplifiers, but they run a quad of 6S33S tubes.

Last edited by TheGimp; 30th July 2013 at 09:06 PM.
  Reply With Quote
Old 30th July 2013, 10:29 PM   #10
diyAudio Member
 
Join Date: Mar 2006
Location: michigan
Quote:
Originally Posted by artosalo View Post
OTL tube amplifier with one output pentode but capable to feed 3 W to 4 ohms loudspeaker. Interesting, but hardly true.
I suppose that it is an ordinary SE amplifier. There is clearly a transformer box at the rear part of the chassis.
This is his ad so that is what I was going by.


Item specifics
Condition:
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ... Read moreabout the condition
Type: Power Amplifier
RMS Power: 2x3 W Number of Channels: 2
Channels: 2 x 1 Channel Brand: Hartung
Speaker Outputs: 2 Model: Output Transformerless
RMS Wattage: 3 Watt /4 Ohm/ each Audio Inputs: Stereo L/R RCA
Hartung classic tube amplifier: SE Number of L/R RCA Inputs: 2
Hartung: CD or Mp3 stereo all purpose amp Audio Outputs: Banana Speaker Jacks
  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
807 Tube Triode Connected oshifis Tubes / Valves 39 13th November 2013 05:38 PM
Triode connected 6LW6 for SE wrenchone Tubes / Valves 2 5th July 2011 06:10 PM
Curves for Triode Connected 6EW6 wrenchone Tubes / Valves 0 15th March 2010 01:52 AM
Triode Connected 6BK5 wrenchone Tubes / Valves 2 5th February 2009 04:59 PM
Max B+ for triode-connected KT88 SpreadSpectrum Tubes / Valves 32 5th December 2007 05:08 PM


New To Site? Need Help?

All times are GMT. The time now is 09:07 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