Search found 4 matches

by Thommo
Sat Apr 11, 2015 9:16 am
Forum: Community Discussion
Topic: Replacing Valves in a Micro Terror
Replies: 13
Views: 7000

Re: Replacing Valves in a Micro Terror

So I'm deducing that because of the voltages the Micro Terror is working at the valves are not going to work as predicted on paper. There is some other factor, yet to be established, at work in the gain stage. One of my initial thoughts was if there was some particular characteristic of JJ valves th...
by Thommo
Fri Apr 10, 2015 7:33 pm
Forum: Community Discussion
Topic: Replacing Valves in a Micro Terror
Replies: 13
Views: 7000

Re: Replacing Valves in a Micro Terror

Hi Jondog. Many thanks for a useful and helpful answer. I did email Orange to ask for a schematic but these are only available to Orange authorised repairers. There's one for the Tiny Terror out there on the internet but not the Micro....yet. The Micro Terror actually runs of a 15v DC supply so I th...
by Thommo
Fri Apr 10, 2015 2:14 pm
Forum: Community Discussion
Topic: Replacing Valves in a Micro Terror
Replies: 13
Views: 7000

Replacing Valves in a Micro Terror

Last week I bought a couple of different valves to try in place of the the stock JJ 12AX7 that the Micro Terror comes with. I bought a Tung Sol 12AX7, hoping for a different high gain sound, and a JJ 12AU7, hoping for more clean headroom. When I tried them the results surprised me. The Tung Sol did ...