Search found 3 matches
- Wed Sep 05, 2018 11:11 am
- Forum: Technical Discussion
- Topic: Thoughts on converting Webster 88-24 into Ampeg R12R?
- Replies: 4
- Views: 1329
Re: Thoughts on converting Webster 88-24 into Ampeg R12R?
Thank you, the chassis is very clean. It was also very quiet. No percievable hiss or hum when it was in the organ. It surprised me. There are additional transformers from the organ that ran (42)- 6SN7's. I suppose I could use one of those that for the Preamp section if I could identify the right one...
- Wed Sep 05, 2018 12:26 am
- Forum: Technical Discussion
- Topic: Thoughts on converting Webster 88-24 into Ampeg R12R?
- Replies: 4
- Views: 1329
Re: Thoughts on converting Webster 88-24 into Ampeg R12R?
Correct. Below is the 6SL6 6SN7 6SN7 6SL6 6V6 6V6 5Y3 version. I can't find an actual schematic of the Heritage R12R but it substitutes 6L6 for the 6V6 and uses the 5AR4 rather than 5Y3. My understanding is the 6L6 config was also used in some of the vintage ampegs to boost output? I am attaching a ...
- Tue Sep 04, 2018 3:14 pm
- Forum: Technical Discussion
- Topic: Thoughts on converting Webster 88-24 into Ampeg R12R?
- Replies: 4
- Views: 1329
Thoughts on converting Webster 88-24 into Ampeg R12R?
I am new, this is my first post here. I recently acquired a 1956 Allen organ which contained a amplifier made by Webster electric. The amplifier works and appears to be in excellent condition. Some of the keys on the organ produce no sound while other work fine. It takes up a lot of space which I ha...