Matt reports: This is quickly becoming my favorite amp. The 6CY7 stereo amp uses a 6CA4 tube rectified power supply with excellent channel separation. This amplifier did a little better than this having a -3dB bandwidth from about 46Hz to about 30kHz. The Edcor XSE output transformers are rated from 70Hz to 18kHz. At full output the amp produces a clean 1.3 Watts output per channel into 8Ω. This inexpensive Single-Ended Triode (SET) amp is built around a pair of 6CY7 vertical deflection dual triodes built for TVs. The circuit is biased into Class-A, ultra-linear operation and output power will be dependent on the tubes utilized.ĦCY7 Single-Ended Triode (SET) Amplifier - 30 July 2016 The JBAA tube amplifier can use a 12AX7, 12AU7, ECC82, ECC83, 5751, 12SL7 or 6SL7 in the driver position while 6V6, 6AQ5, 6005, 6Y6G, EL84, 6BQ5, 6F5P, 6P15P-EB, 6Y6GA, 6K6, 6W6, 6GV8, 6BM8, ECL82 or ECL85 can be used for the output tubes. The schematic is similar to the PoddWatt design and able to use a huge variety of tubes. High Fidelity Tube Junk Box Audio Amplifier - 10 November 2019īruce Heran outlines the design and construction of a High Fidelity Tube Junk Box Audio Amplifier (JBAA). The input stage is a SRPP design and can be used with 6/12SN7 or higher gain 6/12SL7 preamp tubes. The amplifier circuit is biased into Class-A, ultra-linear operation and output power will be dependent on the tubes utilized. The Cranberry tube amplifier can be used with pentode or beam power vacuum tubes like 6L6GC, E元4, KT77, KT88 and KT120. enzcar liked Spread-Spectrum IR Proximity Sensor Module.Chronological list of our DIY vacuum tube Hi-Fi audio projects.Ĭranberry TwoC - All Tube Stereo Amplifier - 17 January 2022 NEWīruce Heran describes the design and construction of the Cranberry TwoC a stereo integrated all tube amplifier.enzcar liked Nuclear Magnetic Resonance for Everyone.enzcar liked Evaluating Transistors for Bipolar Logic (RTL).enzcar liked DIY Little.Big MPPT Solar charger.Augusto Baffa has updated the log for Apple][+ Homebrew Clone for Baffa-2 Project.Trevor Flowers liked Custom Pi Zero HQ Handheld Camera.deʃhipu has added a new log for µGame 22.Andrew Reilley on Make Carbon Fiber Tubes With An Open Source Filament Winder.Hirudinea on Some Bacteria Could Have A Rudimentary Form Of Memory.Dude on Some Bacteria Could Have A Rudimentary Form Of Memory.Hirudinea on Cheap Computer PSU Puts On Weight With Box Of Iron.on Cheap Computer PSU Puts On Weight With Box Of Iron.Maave on Can Google’s New AI Read Your Datasheets For You?.Sine on Cheap Computer PSU Puts On Weight With Box Of Iron.Hackaday Podcast Ep 247: Cameras From Gingerbread Or Hardboard, And The Insecurity Of Bluetooth 9 Comments Posted in Wireless Hacks Tagged antenna, cheap, diy, internet, parabola, parabolic, radio, reflector, signal, spoon, wifi Post navigation Not bad for an antenna made from a spoon and a baby bottle plus it looks less threatening than some of the cantenna builds we’ve seen. He was also surprised to see that he can pick up signals from a high-rise building over 1km away. He was glad to find that he is easily able to pick up the WiFi signal from the shop down the street. leaves this antenna on his balcony aiming down the street. Everything is held together with electrical tape as needed. A hole is cut in the nipple for a USB cable. The USB dongle is housed inside of the bottle for weatherproofing. Once the location was determined, cut a hole in the mesh just big enough for the nipple of the small baby bottle. The goal is to get the USB dongle as close to the focal point as possible. did a little bit of math and used a Cartesian equation to figure out the optimal location. The parabolic shape means that it will reflect radio signals to a specific focal point. The three main components of this build are a USB WiFi dongle, a baby bottle, and a parabolic Asian mesh wire spoon. Not wanting to be locked into a 12-month contract, decided to build himself a directional WiFi antenna to get free WiFi from a shop down the street. It turned out that getting a good connection would cost upwards of $100 per month, and also required a Thai identification card. This particular apartment didn’t include any Internet access. Back in 2007, rented an apartment in Thailand.
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