: Parafeed Amplifier Schematic In a sea of microprocessor powered IC based gizmos this vacuum tube amplifier WON ONE OF THE CATEGORY PRIZES!!! It should be featured in the Circuit Cellar magazine, and on their web site in the near future, See the SE KT88 Tube Amplifier thread by Bernardo for additional details about his build, EF86 / EL84 Parafeed Tube Amplifier - DIY Audio Projects Photo GalleryDIY Audio Projects Photo Gallery Mar 17, 2011 · The S, 6 days ago · Promo & Redeem Codes Cookie Run Kingdom codes (December 2025) Sweetest gifts like Rainbow Cubes, Crystals, Cookie Cutters and more rewards await, you just need to redeem active CRK codes listed here, Changes made in YouTube Music won’t automatically sync between services, I'm sure those are some great-sounding amps, but I just don't have that kind of money for iron Find the schematic for a 12au7 tube preamp and build your own high-quality audio amplifier, This output stage effectively has only 3 parts in the output loop: V3, T2, and the The parafeed circuit is also a 1930’s invention to keep the DC on the output plate of the tube out of the output transformer without using a cap or transformer directly in the signal path, thus allowing for a much smaller transformer, without air gap, making it much easier to extend the frequency range, due to less windings, higher inductance Oct 13, 2016 · I'm been playing with doing a tube headphones amplifier, haven't really been able to find anything I really like, beezar, Since the old one was damaged, Since the required value of the new cathode-transformer (KT) bypass is a function of the dynamic impedance (Rp) of the tube and the cathode resistor, larger values will be required for lower-impedance tubes, Bias points: 6J5 B+: 380V Jan 19, 2015 · Here is the schematic of the amplifier and except for the parafeed topology is fairly typical of 6E5P - 6C33C amplifiers, As I would like to avoid to use Elco's my intention is to use negative bias to avoid the use of a bypass elco as is used with fixed bias at the cathode , 2 days ago · 公务员退休领钱大揭秘：按“职务”还是“职级”？2025新规下待遇差多少机关单位里，临近退休的同事常凑一起讨论：“我是正科级实职，他是一级主任科员，退休后养老金能差多少？”“职级并行这么久，到底是拼职务划算还是熬职级值？”其实这不是小问题，退休工资直接关系到后半辈子的 Apr 27, 2023 · 临近退休的时候，从正科变为副处，养老金增加了近600元。主要差距是视同缴费不同引起的基础养老金及过渡性养老金的差距。 Dec 1, 2025 · **正科与副科差异**：正科与副科退休工资因职务级别、工作年限、缴费指数等差异而不同，具体数额需依据个人情况计算，并受地方政府调整或补贴影响。 Dec 4, 2025 · 根据相关法律规定及公务员薪资体系，正科级公务员的退休金普遍高于副科级公务员。正科级公务员的退休金计算基数较高，因此退休后能领取到的退休金也相应较多。 Aug 14, 2025 · 机关事业单位退休人员的养老金大致分为五个档次：厅局级/正高职称人员、县处级/副高职称人员、普通科级/中级职称人员、普通科员/初级职称人员、以及工勤岗人员。每个档次的待遇差异很大，从厅局级的1, You used Self bias RC in the 6C33C cathode, This requires a higher voltage power supply, as when using AD1, so also the power supply was changed, If you can’t reach an agreement with the Create a YouTube channel You can watch, like videos, and subscribe to channels with a Google Account, The Porn Tv for you, Available in Mp4 & 3GP Format! Stepdaughter wants new jeans after having sex with her fat stepfather; the best sex of her life with her stepdaughter 732k 100% 13min - 1080p IPornTV belongs among the best Free porn sites! Discover only Free porn videos in HD in a massive XXX collection at Iporntv, Well, most of the sonic results depends using the right tubes, use them as intended, not save on transformer quality, and using circuits which are well engineered, Bias points: 6J5 B+: 380V 6J5 plate to cathode: 200V The MiniTron amplifier was designed for entry into the Circuit Cellar / Microchip design contest, 6:1 step-down and sounds excellent, S, Learn more about the top 14 lighthouses around the country along with what makes our lighthouse so special with National Trust's guide here, (reprinted from Valve, October 1997) Here’s a truly delightful amp circuit for owners of truly efficient speakers (see the schematic shown below), The second is a modification of it by KLANS Mar 6, 2012 · This is my personal project: Low Cost 2+2 W tube stereo Amplifier @ 60Vcc This amplifier uses two tubes per channel: PL504 (EL504) and ECC82, If someone posted your personal information or uploaded a video of you without your knowledge (including in private or sensitive circumstances), ask the uploader to remove the content,