Search found 5162 matches

by mediatechnology
Tue Feb 07, 2023 7:45 am
Forum: Pro Audio Design
Topic: Questions about THAT1512 in mic pre
Replies: 3
Views: 75

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...
by mediatechnology
Tue Feb 07, 2023 6:05 am
Forum: Pro Audio Design
Topic: Questions about THAT1512 in mic pre
Replies: 3
Views: 75

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'...
by mediatechnology
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: 272039

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...
by mediatechnology
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...
by mediatechnology
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.

Image
by mediatechnology
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...
by mediatechnology
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: 272039

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...
by mediatechnology
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: 272039

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...
by mediatechnology
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)
by mediatechnology
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...