Diy Pcb: High Voltage (maida) Regulator For Tube Amp (300b,2a3,6sn7,26) Rev. 2.0

US $89

Calgary, Alberta, Canada
May 27th

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DIY PCB: 21st Century Maida Regulator Rev. 2.0 FREE airmail shipping world wide. Our products are designed by Tom Christiansen, Senior Circuit Design Engineer who earned his Master's degree in electrical engineering from the University of Washington, Seattle in 2002. Tom is an accomplished circuit design engineer and has been employed in the field of electronics since 1991. He applies his knowledge and expertise in precision and low-noise circuit design in his design and layout of our circuit boards. All our circuit boards and circuits are peer reviewed and have been optimized for signal integrity and circuit performance. In addition, all audio circuits have been extensively tested by listening tests. The 21st Century Maida Regulator Rev. 2.0 DIY PCB is a blank circuit board to be used as part of a High Voltage (Maida) Regulator circuit intended for use in vacuum tube amplifiers. Note that this is revision 2.0 of the board, featuring significant improvements in the layout, resulting in much improved thermal performance and lower supply inductance. It is also easier to assemble as it uses the SOT-223 version of the regulator IC. NOTE: This circuit board is intended for use in HIGH VOLTAGE applications. These voltages are LETHAL! By purchasing these boards your are assuming all risk involved. This circuit features: Phenomenal ripple rejection (20 uV noise + ripple in my setup!) True floating regulator design 15 % adjustment range on output voltage Soft start Capable of starting up into capacitive load (up to 47 uF verified) Start-up into harsh load (2.2 A in-rush light bulb test) Handles high di/dt pulses caused by loose connections in tube sockets, etc. No need for bulky, expensive high wattage resistors Approx 2.25x2.6 inch (57x66 mm) board footprint The full circuit description is available here: 21st Century Maida Regulator R. 2.0 In addition, buyers will receive, via email, the full design documentation including schematic, bill-of-materials, and component calculator Excel spreadsheet. Note that this is a blank board. No components or parts included. Please review the circuit description and assembly instructions carefully to ensure that you are qualified and comfortable with the work involved to complete this 21st Century Maida Regulator. Shipping is via Canada Post. Products are shipped within one business day of receiving cleared payment via Paypal.