Login
Register
Menu
Home
Help
Bottlehead Forum
Bottlehead Kits
Crack
Need diagram with labels of Crack tube amp
Need diagram with labels of Crack tube amp
DirectAssault
·
1273
« previous
next »
Print
Pages:
1
Go Down
0 Members and 1 Guest are viewing this topic.
DirectAssault
Jr. Member
Posts:
20
Need diagram with labels of Crack tube amp
on:
December 19, 2017, 04:12:30 AM
I bought the speedball upgrade for my Crack headphone amp, but in the instructions references checking the terminals between steps of installations. Which makes sense. Not an issue.
Unfortunately, I dont have my original document for the OTL and my terminals aren't labelled anymore (I removed the tape years ago) so I was wondering if anyone can share with me the locations of the terminals so that I can do the voltage checks when I install the speedball upgrade.
Thanks!
fullheadofnothing
Global Moderator
Hero Member
Posts:
1487
A noble spirit embiggens the smallest man
Re: Need diagram with labels of Crack tube amp
Reply #1 on:
December 19, 2017, 04:38:31 AM
With the nine pin socket closest to you, the front terminal strip is numbered 1-5. The back terminal strip is numbered 6-10.
Joshua Harris
I Write the Manuals That Make The Whole World Sing
Kit Packer Emeritus
DirectAssault
Jr. Member
Posts:
20
Re: Need diagram with labels of Crack tube amp
Reply #2 on:
December 19, 2017, 04:43:37 AM
Thanks,
But the document for the voltage check refers to 'OA', 'IA', 'B-A/B', 'IB','OB', 'G', and 'B+'
Where are these?
Paul Birkeland
Global Moderator
Hero Member
Posts:
19772
Re: Need diagram with labels of Crack tube amp
Reply #3 on:
December 19, 2017, 04:44:15 AM
Those labels are printed on the PC boards.
Paul "PB" Birkeland
Bottlehead Grunt & The Repro Man
DirectAssault
Jr. Member
Posts:
20
Re: Need diagram with labels of Crack tube amp
Reply #4 on:
December 19, 2017, 04:50:04 AM
Right... zooming in on the image i can see the labels now.... i need bigger monitors.
Thanks
Print
Pages:
1
Go Up
« previous
next »
Bottlehead Forum
Bottlehead Kits
Crack
Need diagram with labels of Crack tube amp
Search
Username
Password
Always stay logged in
Forgot your password?