Search found 5162 matches
- Tue Feb 07, 2023 7:45 am
- Forum: Pro Audio Design
- Topic: Questions about THAT1512 in mic pre
- Replies: 3
- Views: 76
Re: Questions about THAT1512 in mic pre
Another thing worth pointing out is that your gain pot will have a minimum "hop-off" resistance in the wiper. On a new pot this is usually 2-3Ω. At maximum gain the control may also be a bit twichy. Since you're wanting to use a 1512 with a pot for Rg you might be better off putting some g...
- Tue Feb 07, 2023 6:05 am
- Forum: Pro Audio Design
- Topic: Questions about THAT1512 in mic pre
- Replies: 3
- Views: 76
Re: Questions about THAT1512 in mic pre
Hi hendrik thank you for joining us! Joe's mic preamp was designed for use in Sam's remote truck where he worked with a lot of very long mic lines. For this reason there are a lot of inductors to reduce RF interference. You mention that you won't be requiring a balanced output so I conclude you won'...
- Thu Feb 02, 2023 6:21 pm
- Forum: The Peabody Lounge
- Topic: The Corona Virus Hoax of 2020 = 2023 "Vaccine" Injury And Depopulation
- Replies: 583
- Views: 272044
Pfizer Director Concerned Over Women's Reproductive Health After COVID-19 Vaccinations
Pfizer Director Concerned Over Women's Reproductive Health After COVID-19 Vaccinations [NEW YORK – Feb. 2, 2023] Project Veritas released a new video today featuring Pfizer Director, Jordon Trishton Walker, where he shares his concern about the COVID vaccine and its potential negative effects on wo...
- Thu Feb 02, 2023 5:37 am
- Forum: The Peabody Lounge
- Topic: Mask-Wearing: This Is Our Life Now (Or is It?)
- Replies: 78
- Views: 116032
Massive Peer-Reviewed Mask Study Shows 'Little To No Difference' In Preventing COVID, Flu Infection
Massive Peer-Reviewed Mask Study Shows 'Little To No Difference' In Preventing COVID, Flu Infection https://www.zerohedge.com/political/massive-mask-study-shows-little-no-difference-preventing-covid-flu-infection The study: https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD006207.pub6/epd...
- Wed Feb 01, 2023 1:53 pm
- Forum: Document
- Topic: DIN Connector Contact Arrangements
- Replies: 1
- Views: 376
Re: DIN Connector Contact Arrangements
Found this document which shows DIN connector pin numbers:
Note that the 5 pin 180° and 240° have different order.

Note that the 5 pin 180° and 240° have different order.
- Sun Jan 29, 2023 8:30 am
- Forum: Build
- Topic: Flat Balanced Input Moving Coil Phono Preamp Construction Information
- Replies: 56
- Views: 137449
Variable Termination and Connection Diagram for the Flat Balanced Input Moving Coil Phono Preamp
I'm frequently asked how to do switchable termination for the Flat Moving Coil Preamp The simplest termination scheme uses a 6 pin female connector plugged onto the termination jumper header. This option provides four values: 10, 30, 100 and 1KΩ or any three values <1KΩ plus 1KΩ. The switch wires d...
- Fri Jan 27, 2023 2:45 pm
- Forum: The Peabody Lounge
- Topic: The Corona Virus Hoax of 2020 = 2023 "Vaccine" Injury And Depopulation
- Replies: 583
- Views: 272044
Re: The Corona Virus Hoax of 2020 = 2023 "Vaccine" Injury And Depopulation
WTF. Here is what I get from the two links: NOTICE TO USERS IN FRANCE Because of French government demands to remove creators from our platform, Rumble is currently unavailable in France. We are challenging these government demands and hope to restore access soon. MIrrored videos: Project Veritas P...
- Fri Jan 27, 2023 9:36 am
- Forum: The Peabody Lounge
- Topic: The Corona Virus Hoax of 2020 = 2023 "Vaccine" Injury And Depopulation
- Replies: 583
- Views: 272044
Project Veritas Exposes Pfizer Executive Discussing Mutating Covid-19
Project Veritas Exposes Pfizer Executive Discussing Mutating Covid-19 https://rumble.com/v2754pg-project-veritas-exposes-pfizer-exec-discussing-mutating-covid-19-virus-for-.html And then an exorcism begins... https://rumble.com/v279jei-pfizer-director-destroys-ipad-containing-project-veritas-underc...
- Fri Jan 27, 2023 8:16 am
- Forum: Document
- Topic: Weller Catalog
- Replies: 0
- Views: 89
Weller Catalog
Weller Catalog
While shopping for a new soldering station I stumbled upon the complete Weller catalog including Xcelite.
Thought it might be a good idea to post it here.
https://proaudiodesignforum.com/images/ ... atalog.pdf (220 MB)
While shopping for a new soldering station I stumbled upon the complete Weller catalog including Xcelite.
Thought it might be a good idea to post it here.
https://proaudiodesignforum.com/images/ ... atalog.pdf (220 MB)
- Thu Jan 26, 2023 4:43 pm
- Forum: Document
- Topic: Bootstrapped Op Amp Articles
- Replies: 34
- Views: 152916
High Voltage Class AB Amp Uses Two Floating Cells
"Class AB Amp Uses Two Floating Cells," Joseph Ting, EDN, March 19, 2009. https://proaudiodesignforum.com/images/pdf/Class_AB_Amp_Uses_Two_Floating_Cells_Ting_EDN_March_2009.pdf https://proaudiodesignforum.com/images/jpg/Class_AB_Amp_Uses_Two_Floating_Cells_Ting_EDN_March_2009_Figure_1_40...