Go Back   Home > Forums > Amplifiers > Tubes / Valves
Home Forums Rules Articles Store Gallery Blogs Register Donations FAQ Calendar Search Today's Posts Mark Forums Read

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

diyAudio Sponsor

Search for a tube at thetubestore.com                            Product reviews and more

Audio tubes for any amplifier: from high end home audio to classic guitar amps.

Quick links by tube type: 12AX7, EL34, 6L6, KT66, 6550, KT88, EL84, 12AU7, 12AT7, 6922, 6H30, 300B, 6V6, 6SN7 

Reply
 
Thread Tools Search this Thread
Old 14th January 2006, 02:22 AM   #1
diyAudio Member
 
aletheian's Avatar
 
Join Date: Apr 2004
Location: Philly
Default Who manufactured are these EL34's?

I found them in a box of old tubes that I have saved over the years. They are probably from some old guitar amp that I repaired.

They are marked "Hot Rods" and are branded "SLM Electronics" and have the code "95-634-01" on each as well as "Made In Germany 9307"

I figured they were shot, but I threw them on my meter and they tested better than new.
Attached Images
File Type: jpg hotrod.jpg (74.3 KB, 202 views)
__________________
Heghlu'meH QaQ jajvam!
  Reply With Quote
Old 14th January 2006, 03:25 AM   #2
diyAudio Member
 
aletheian's Avatar
 
Join Date: Apr 2004
Location: Philly
evermind... I am pretty sure they are siemens actually. probably sound pretty nice.
__________________
Heghlu'meH QaQ jajvam!
  Reply With Quote
Old 14th January 2006, 05:43 AM   #3
Trout is online now Trout  United States
diyAudio Member
 
Trout's Avatar
 
Join Date: Nov 2004
Location: Midwest Madman
Quote:
Originally posted by aletheian
evermind... I am pretty sure they are siemens actually. probably sound pretty nice.

They look terrible, I think they are cheap Chinese prototypes smuggled from the trash bin,
You should send them to me for proper disposal as they are most certainly not environmentally friendly, I have a solid black box to store them in until the half-life meets current EPA guidelines.
Click the image to open in full size.
Trout
  Reply With Quote
Old 14th January 2006, 06:26 AM   #4
diyAudio Member
 
Join Date: Aug 2005
Looks like a Siemens tube to me.
  Reply With Quote
Old 14th January 2006, 03:34 PM   #5
diyAudio Member
 
aletheian's Avatar
 
Join Date: Apr 2004
Location: Philly
Quote:
Originally posted by Trout



They look terrible, I think they are cheap Chinese prototypes smuggled from the trash bin,
You should send them to me for proper disposal as they are most certainly not environmentally friendly, I have a solid black box to store them in until the half-life meets current EPA guidelines.
Click the image to open in full size.
Trout

HA! Thanx for the offer Trout. Nice to know that environmentally consiousness people on thus board....LOL! I live in Philly thoug, and there is so much lead and asbestos in the walls and paint here that it will provide sufficient sheilding until the tubes decay to their radioactive halflife and are once again suitable for human use.
__________________
Heghlu'meH QaQ jajvam!
  Reply With Quote
Old 14th January 2006, 11:45 PM   #6
diyAudio Senior Member
 
fdegrove's Avatar
 
Join Date: Aug 2002
Location: Belgium
Hi,

Quote:
Looks like a Siemens tube to me.
Indeed.
Most of the power tubes were made to order for Siemens by EI in former Yugoslavia during the late Seventies early Eighties.

Ciao,
__________________
Frank
  Reply With Quote

Reply


Hide this!Advertise here!

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
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
Customizing manufactured speakers to fit a height challenged AV theatre setup. morkyz Multi-Way 8 12th January 2009 04:09 AM
transducers manufactured by me in india , hunter audio Swap Meet 51 3rd June 2007 10:02 AM
Where is a good place to get PCBs manufactured? turbo_slug Parts 12 21st March 2007 04:59 PM
Name that EL34! LowRedMoon Tubes / Valves 4 26th February 2006 05:52 AM


New To Site? Need Help?

All times are GMT. The time now is 10:33 PM.

Page generated in 0.08589 seconds (75.41% PHP - 24.59% MySQL) with 11 queries

Copyright ©1999-2012 diyAudio