Index of /Components/Transformers/Audio
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Still online, we are. The code for this website is getting old, but still works well as far as I've seen. I may update it with new code and new features eventually, one day when I have both free time and focus. Until then, the content is still useful, I'm keeping it online. Comments and donations are welcome, but include your email address if you want a reply.

Ideas for the future of the site -
Here are some ideas I've been brainstorming. I don't think to much of the site should change, because it has been successful all these years with very little change. still nearly 1000 visitors a day to the site!
  • donations - I think it might be time to make some changes to the donations. I would rather see people get a lifetime membership and not have to worry about an expire date. here's an idea, a smaller recurring payment monthly, or 4 times a year, then maybe offer a second option, donate enough to cover the cost of the server for one month and you'll get a lifetime membership that never expires.
  • automated account creation - the membership process should be automated. I rarely hear a complaint about anything, but I don't think people feel so safe emailing me a username and password to set up an account. I think people may feel more safe dealing with an automated system. make a donation, then type your account into right in to the computer and have it set up on the spot.
  • members only forum - the site doesn't seem to need a full forum, but it could still benefit from a single simple board or mailing list, maybe. still optional, but maybe only available to members. non-members wouldn't be able to post on or see the forum. for those who donate to openly communicate.
You can send me your comments in the form above. I'm not putting any work into these changes without getting feedback from you!
If we have any web developers out there, we'd love your help! come on, my birthday's tomorrow!

Better forum? -
We are currently using vbulletin, but maybe there's a simpler alternative that would better fit the site. What do you think of this one? Please let us know what you think, keep vBulletin, or switch to SEO. Comment box is below.

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Thank you, everyone who has helped support the site over the years. you've done your part, now help me do my part to improve the site with your input.

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new server -
this week, we've moved the website to a bigger faster server. we have doubled the weekly download limit to 20mb and are now allowing hot-linking, so more people can get the documents they're looking for. this new server is still relatively low cost, but is a bit more to pay for each month then the last server. we still need your donations to help with this. thank you all who have supported the site and community!!!

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Last Accessed Size  File
12-18-18 17785  12 dB Amplifier and High Current Line Driver with DC Servo.pdf
12-18-18 16932  20 dB Amplifier and High Current Balanced Line Driver.pdf
12-18-18 111420  A New Balanced Audio Input Circuit for Maximum Common-Mode Rejection in Real World Environments.pdf
12-18-18 1473643  A generic version of the student handouts from Mr. Whitlock's seminars.pdf
12-18-18 10676  Alway On Signal Sensing Subwoofer Mute Circuit.pdf
12-18-18 296959  Amplifier with Feedback from Output Transformer.pdf
12-18-18 169680  An Introduction to Transformers in Audio Devices.pdf
12-18-18 79897  Answers to Common Questions about Audio Transformers.pdf
12-18-18 10576  Anti-RIAA Equalizer for Line to Mag Phono Converter.pdf
12-18-18 3060779  Audio Transformers - Bill Whitlock Chapter 11.pdf
12-18-18 15985416  Audio
12-18-18 17983  Build the Hummer to Find Pin 1 Problems in Equipment.pdf
12-18-18 105418  Earthing (Grounding) Your Hi-Fi - Tricks and Techniques.mht
12-18-18 13586  External Isolation Transformer Box for Mackie (and other) Mixers Eliminates RFI Problems.pdf
12-18-18 13396  High Output Line Driver for Single Ended Power Supply.pdf
12-18-18 172463  Hybrid Networks.pdf
12-18-18 11478  JT-10K61-1M Line Driver uses Push-Pull Vacuum Tube Cascode Follower.pdf
12-18-18 15345  JT-10KB-D + JT-990-C + JT-11-BM = Ultra-High Performance Line Driver.pdf
12-18-18 18058  JT-10KB-D + JT-990-C + JT-123-BL = 50 Ohm Long Line Driver.pdf
12-18-18 12689  JT-11-BM + JT-990-C = Ultra-High Performance Output Stage.pdf
12-18-18 18909  JT-11-BM High Level High Current Differential Output Stage with DC Servo.pdf
12-18-18 14993  JT-11-FL provides Isolated Line Output from Guitar Amplifier.pdf
12-18-18 12750  JT-11-YZPC in Unbalanced Long Line Driver-Isolator.pdf
12-18-18 13880  JT-115K-E Cascode Tube Microphone Input Stage.pdf
12-18-18 11168  JT-11P-1 Balanced XLR Input to Unbalanced RCA Output.pdf
12-18-18 14225  JT-11P-1 Conversion of Unbalanced Input to Balanced.pdf
12-18-18 16610  JT-11P-1 Receiver for Very Long Line Applications.pdf
12-18-18 13063  JT-11P-1 Unbalanced Automotive or Consumer Application.pdf
12-18-18 12261  JT-11P-1 as Phase Splitter with Symmetrical Outputs.pdf
12-18-18 17686  JT-11SSP-6M + JT-990-C + JT-123-BL = 50 Ohm Long Line Receiver and Driver.pdf
12-18-18 14333  JT-123-S Differential Line Driver with Feedback Around the Transformer.pdf
12-18-18 12073  JT-DB-E Direct Box for Very High Level Signals.pdf
12-18-18 7493  JT-DB-E in Guitar to Amp Long Line Circuit.pdf
12-18-18 13121  JT-MB-C in Low Noise, High Isolation Line Receiver for Low-Z Sources.pdf
12-18-18 9827  JT-MB-D Converts 600 Ohm Unbal. Mic to 150 Ohm Balanced Mic Line.pdf
12-18-18 117289  Jensen System Troubleshooting Guide.pdf
12-18-18 160112  Langevin AM-16 Preamplifier CM-28121 CM-28122.pdf
12-18-18 1054184  NEVE 1 Dave Library 5.pdf
12-18-18 15378  Output Amplifier to Upgrade Neve BA282AV Circuit Board.pdf
12-18-18 68608  Output Transformer Design and Winding.doc
12-18-18 35547  Output Transformer Design and Winding.mht
12-18-18 162183  Output Transformer Design and Winding.xps
12-18-18 36040  Output Transformer Impedance.mht
12-18-18 115838  Output Transformer Lamination Selection AN-104.pdf
12-18-18 340624  Output Transformer Testing.mht
12-18-18 1704389  Output Transformers Tubelab.mht
12-18-18 6903  Output Transformers.mht
12-18-18 289582  Puzzled About Output Transformers.pdf
12-18-18 68608  Reverse Engineering an Output Transformer - Nondestructively.doc
12-18-18 35600  Reverse Engineering an Output Transformer - Nondestructively.mht
12-18-18 162151  Reverse Engineering an Output Transformer - Nondestructively.xps
12-18-18 1391953  Solid State Tesla Coil.pdf
12-18-18 10118  Two JT-115K-E used in Symmetrical Mic Input Stage.pdf
12-18-18 703859  Valve Amps Output transformers.mht

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