Newbie to tubes, what can they handle? - diyAudio
Go Back   Home > Forums > Amplifiers > Tubes / Valves
Home Forums Rules Articles diyAudio Store Gallery Wiki 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

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
Thread Tools Search this Thread
Old 9th November 2004, 12:42 AM   #1
cm961 is offline cm961  Canada
diyAudio Member
cm961's Avatar
Join Date: Jun 2001
Location: Peterborough, Ontario
Default Newbie to tubes, what can they handle?

Hi Guys,

I'm a fairly experienced solid state guy (chip and discrete) but I'm just starting to get into tube amps as I need a guitar amp. So this question might be aimed more at the musicians out there. I just started playing guitar again (I was a bass player for many years) and I am in need of an authentic vintage overdriven tube amp sound.

I'm running a DBX tube preamp (single 12AX7) into a peavey keyboard amp. To get the sound I want I'm massively overdriving the input to the preamp. It sounds fantastic although needs a little EQ and some reverb, which the peavey provides.

My question is, do I need to worry about blowing the preamp unit? It's powered by a 9V adaptor, so I'm not very worried. I doubt that 9V, no matter how its biased, could hurt the tube. Am I correct in this assumption? Should I worry about anything else?

  Reply With Quote
Old 9th November 2004, 02:01 AM   #2
diyAudio Member
Join Date: Jan 2004
Location: malaysia
If you really love overdriving those 12AX7, there is nothing else you can do about it. But dont worry about it, the tubes can take more abuse than that.
  Reply With Quote
Old 9th November 2004, 08:11 AM   #3
SHiFTY is offline SHiFTY  New Zealand
diyAudio Member
SHiFTY's Avatar
Join Date: Jul 2002
Location: New Zealand
As long as you are only overdriving the tube, it should be fine. Transistor circuits dont like being overdriven much at all, but tubes dont care too much...
  Reply With Quote
Old 9th November 2004, 01:13 PM   #4
diyAudio Member
Brett's Avatar
Join Date: Jan 2002
Default Re: Newbie to tubes, what can they handle?

Originally posted by cm961
I just started playing guitar again (I was a bass player for many years)

Tubes can take a lot when used like that. Don't worry about it, but don't limit yourself to the 12AX7 when/if you start to build your own designs. It's crap, and I only use it in designs because of market demands and availability.
  Reply With Quote


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
power tubes..newbie question. krusty75 Tubes / Valves 3 3rd March 2008 11:02 PM
Newbie looking for some advice on mods and tubes for Cayin TA-30 ianp Tubes / Valves 0 9th January 2008 06:45 AM
Newbie Here Tubes vs SS Question latenite3 Pass Labs 6 6th August 2007 04:19 AM
How to change tubes ??? (NEWBIE) leimaster Tubes / Valves 1 28th November 2006 08:26 AM
Looking to dip my toe into tubes: Any ideas for a Newbie Headphone Amp? mikejz84 Headphone Systems 0 4th April 2004 02:52 PM

New To Site? Need Help?

All times are GMT. The time now is 09:32 PM.

vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.
Copyright 1999-2017 diyAudio

Content Relevant URLs by vBSEO 3.3.2