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!
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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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<-- Old News -->

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Last Accessed Size  File
08-30-17 17785  12 dB Amplifier and High Current Line Driver with DC Servo.pdf
11-17-17 16932  20 dB Amplifier and High Current Balanced Line Driver.pdf
08-30-17 111420  A New Balanced Audio Input Circuit for Maximum Common-Mode Rejection in Real World Environments.pdf
08-30-17 1473643  A generic version of the student handouts from Mr. Whitlock's seminars.pdf
08-30-17 10676  Alway On Signal Sensing Subwoofer Mute Circuit.pdf
11-24-17 296959  Amplifier with Feedback from Output Transformer.pdf
08-30-17 169680  An Introduction to Transformers in Audio Devices.pdf
11-22-17 79897  Answers to Common Questions about Audio Transformers.pdf
08-30-17 10576  Anti-RIAA Equalizer for Line to Mag Phono Converter.pdf
08-30-17 3060779  Audio Transformers - Bill Whitlock Chapter 11.pdf
08-30-17 15985416  Audio
08-30-17 17983  Build the Hummer to Find Pin 1 Problems in Equipment.pdf
11-18-17 105418  Earthing (Grounding) Your Hi-Fi - Tricks and Techniques.mht
08-30-17 13586  External Isolation Transformer Box for Mackie (and other) Mixers Eliminates RFI Problems.pdf
08-30-17 13396  High Output Line Driver for Single Ended Power Supply.pdf
11-20-17 172463  Hybrid Networks.pdf
08-30-17 11478  JT-10K61-1M Line Driver uses Push-Pull Vacuum Tube Cascode Follower.pdf
08-30-17 15345  JT-10KB-D + JT-990-C + JT-11-BM = Ultra-High Performance Line Driver.pdf
08-30-17 18058  JT-10KB-D + JT-990-C + JT-123-BL = 50 Ohm Long Line Driver.pdf
11-24-17 12689  JT-11-BM + JT-990-C = Ultra-High Performance Output Stage.pdf
10-24-17 18909  JT-11-BM High Level High Current Differential Output Stage with DC Servo.pdf
08-30-17 14993  JT-11-FL provides Isolated Line Output from Guitar Amplifier.pdf
11-23-17 12750  JT-11-YZPC in Unbalanced Long Line Driver-Isolator.pdf
08-30-17 13880  JT-115K-E Cascode Tube Microphone Input Stage.pdf
08-30-17 11168  JT-11P-1 Balanced XLR Input to Unbalanced RCA Output.pdf
08-30-17 14225  JT-11P-1 Conversion of Unbalanced Input to Balanced.pdf
11-22-17 16610  JT-11P-1 Receiver for Very Long Line Applications.pdf
08-30-17 13063  JT-11P-1 Unbalanced Automotive or Consumer Application.pdf
11-22-17 12261  JT-11P-1 as Phase Splitter with Symmetrical Outputs.pdf
08-30-17 17686  JT-11SSP-6M + JT-990-C + JT-123-BL = 50 Ohm Long Line Receiver and Driver.pdf
08-30-17 14333  JT-123-S Differential Line Driver with Feedback Around the Transformer.pdf
08-30-17 12073  JT-DB-E Direct Box for Very High Level Signals.pdf
08-30-17 7493  JT-DB-E in Guitar to Amp Long Line Circuit.pdf
10-22-17 13121  JT-MB-C in Low Noise, High Isolation Line Receiver for Low-Z Sources.pdf
08-30-17 9827  JT-MB-D Converts 600 Ohm Unbal. Mic to 150 Ohm Balanced Mic Line.pdf
08-30-17 117289  Jensen System Troubleshooting Guide.pdf
08-30-17 160112  Langevin AM-16 Preamplifier CM-28121 CM-28122.pdf
11-20-17 1054184  NEVE 1 Dave Library 5.pdf
08-30-17 15378  Output Amplifier to Upgrade Neve BA282AV Circuit Board.pdf
11-24-17 68608  Output Transformer Design and Winding.doc
11-24-17 35547  Output Transformer Design and Winding.mht
11-23-17 162183  Output Transformer Design and Winding.xps
11-19-17 36040  Output Transformer Impedance.mht
08-30-17 115838  Output Transformer Lamination Selection AN-104.pdf
11-24-17 340624  Output Transformer Testing.mht
11-22-17 1704389  Output Transformers Tubelab.mht
11-18-17 6903  Output Transformers.mht
08-30-17 289582  Puzzled About Output Transformers.pdf
08-30-17 68608  Reverse Engineering an Output Transformer - Nondestructively.doc
11-23-17 35600  Reverse Engineering an Output Transformer - Nondestructively.mht
11-21-17 162151  Reverse Engineering an Output Transformer - Nondestructively.xps
08-30-17 1391953  Solid State Tesla Coil.pdf
08-30-17 10118  Two JT-115K-E used in Symmetrical Mic Input Stage.pdf
11-20-17 703859  Valve Amps Output transformers.mht

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