The Amp Garage

It will work with 325V B+, I wanted to get a reference for the other voltages you reported. With 325V B+ I get 240V after the 100k dropping resistor and the following pin voltages: Send triode pin 1 - 230 pin 2 - 25.6 pin 3 - 27.3 Recover triode pin 6 - 205 pin 7 - 0 pin 8 - 1.55 I think you have a...

Wha are the power supply voltages? They should be roughly 360 and 260. My power supply voltages are 325V and 240V, so a little low. Hmmm. I checked all of my values and they are correct for sure. Ill have to do some more reading and experimenting. It may be a transformer. Ill run tests later today ...

The only issue i have is the lamp, i tried what you suggested but it brought the entire heater string down instead of just the bulb. I added a 47R 2 watt in series with one half of the string as you said. I don't know what i did wrong, its a pretty simple concept. Im running it without an indicator...

I thought i had one for your #3 but i havnt found it yet.

Sorry for not replying for a while ive been sick with a nasty bug. I eventually got your circuit working somewhat well. There were definitely still some values that probably needed adjusted. It made the amp sound very different. I dont think it was your circuits fault so much as other compounding is...

I finished my d’lator, it works pretty good but i do have a few questions if thats ok? I messed up and ordered the wrong BOM, after spending so much time making sure it was perfect i went and ordered an older one i had made. So i built the original instead of your buffered version. I still plan to ...

I finished my d’lator, it works pretty good but i do have a few questions if thats ok? I messed up and ordered the wrong BOM, after spending so much time making sure it was perfect i went and ordered an older one i had made. So i built the original instead of your buffered version. I still plan to m...

I posted a long reply last night but it seems to have vanished. Anyway, i got a little adventurous and went for your schematic. I built it exactly as your drawing other than the change from a 1M master volume to the 100K, i didnt have an appropriate 100k pot on hand, so i left the 1M in just to see ...

Also forgot to add, the passive loop does work if placed after the MV. I ran some time based effects and It sounds pretty good. I also ran the preamp out into my Boogie MkV25 and it also sounded pretty good although I have a real problem with knowing something could be better, which is one of the m...

Also forgot to add, the passive loop does work if placed after the MV. I ran some time based effects and It sounds pretty good. I also ran the preamp out into my Boogie MkV25 and it also sounded pretty good although I have a real problem with knowing something could be better, which is one of the ma...

[quote=Fictitiousfreedom post_id=455044 time=1691019971 user_id=26418 Then we have the slave out/in, it seems you wouldn't need a buffer or anything specifically active because its already the correct level leaving the amp, am i right in this assumption? I have no idea and its a little tough to fin...

martin manning wrote: ↑Fri Aug 04, 2023 8:41 pm

Fictitiousfreedom wrote: ↑Fri Aug 04, 2023 8:32 pmSo just to be clear the resistor would go in series with just one side of the winding at the lamp terminal?

Correct. Just like putting another 6.3V bulb in series.

Wonderful, thank you for the time brother, i am acutely aware of how valuable time is so its very much appreciated.

Is there a way to use a fender style bayonet lamp with the standard 6.3v bulbs with the 12v tap? I overlooked this problem when ordering and only have the typical bulbs. Im sure i could just use a normal led but id rather use the fender lamp simply because it will be easier to change the jewel colo...

Poor choice of words… it just means distant from the reservoir ground, as seen in the .pdf layout here: https://ampgarage.com/forum/viewtopic.php?p=170734#p170734 I just found you answering someone else in another thread, sorry i didnt find it before asking, but either way thank you! I appreciate y...

Hello everyone! Im in the process of building one of these, specifically Martin’s version with the buffer. I have one thing I’m confused about before I start. What exactly does it mean when it says G1 “isolated”? I know its ground but im a little unsure of how to go about isolating it? I assume its ...