Results tagged #Tube Amplifier in Circuits
Vented 2a3p 2a3pp-15w Tube Amplifier circuit diagram
Elliot vented 2A3PP line, is also very simple, the key is the quality of the output of cattle. Use 3KPP output cattle, fixed bias (a 62V), o...
Both tube OTL amplifier 01
Electrical properties of the tube with good quality output transformer has a great relationship, it is well known thing. Overseas equipment ...
Tube amplifier input voltage input
Depending on the input impedance can be divided into a high-impedance input and low impedance input in two ways. Its major input in various ...
Construction 25W single-ended Class A tube amp circuit diagram EL156
Danji mellow, transparent, natural sound, sweet, sincere, tireless listening to long, full of humane color. In building a harmonious and bea...
Construction 25W single-ended Class A tube amp circuit diagram EL156
Danji mellow, transparent, natural sound, sweet, sincere, tireless listening to long, full of humane color. In building a harmonious and bea...
A tube amplifier 01 HI-FI
As a result of high quality materials and advanced technology, the machine output transformer frequency response can reach 10Hz (a 0.8dB) ~ ...
With full power amplifier 01
Amplifier circuit shown in Figure 2-25. It has the following features: (1) promote the use of a class 6N11 tube for parallel push-pull ampli...
Making small tube amplifier 01
After the original radio with guts shown transformed into a block diagram of the machine. Electrical schematic shown in Figure 1-27, which i...
OTL tube amp amplifier production
6N5P the output impedance of 400 ohms low resistance tube used as a parallel push-pull, the output impedance of a single tube half, and then...
Rhyme M100 merger 10 watt tube amplifier circuit
Ml00 circuit from the point of view, it is a typical tube circuit. It's preamp, input-stage amplifier stage are Cape through common cath...
8W + 8W tube amplifier circuit
Preamplifier VE1 the machine with low muscle low R double triode 6N6 (left and right audio channels each with its half). Working state desig...
Tube mic Connecting the capsule 2
Connecting a condenser capsule to the grid of a tube amplifier, in order to build a tube mic. In this part we consider how to connect a caps...
7 Tube Stereo Output Amplifier
This is a 7 tube 20 watt amplifier that must be used in conjunction with a pre amplifier having volume an tone controls. For this, I recomme...
20W Power Tube Amplifier with EL34
The following diagram is the circuit diagram of 20W power amplifier which build based tube component EL34. EL34 is very famous tube and grea...
Tube-based Buffer amplifier
The solid-state, unity-gain power buffer is easy to imagine, as many already exist. But what about corresponding tube equivalents Have they ...
Univox 1221 1220 mods
To my new bestest pals: Anyone with experience on the old Uni`s? Model 1221. Looking to switch her to el34`s from 6l6`s. Not the savviest in...
JCM800 2204 bias problem
Alright, my 2204 won`t bias properly. I can`t get the tubes to idle at more than about 14 W (435 V * 33 mA cathode current). I popped a set ...
Dynaco ST-70 Amplifier
This classic tube amplifier used to be the best value on the block. Fifteen years ago you could buy one of these for $25. This amp was desig...
307A Push-Pull Amp
A single-ended tube headphone amp using the TTVJ Millett 307A. I`ve been breadboarding various SE and PP power amp circuits with the 307A fo...
Custom Webcor Music Man Two Channel Stereo Single Ended Class A Tube Amplifier with Preamp Outputs
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Izzy Wizzy Audio
The aim was to build a MC sensitive preamp that was quiet, used only tubes and had a certain something that made you want to listen. This th...
Three ECC83 Based Tube Phono Preamplifier Circuits
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Tube power amplifier 5W with EL84 circuit
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Tube Power Amplifier with EL34 - 35W circuit
It`s a classic designing of final amplifier 35 W, with two EL34 in push-pull, from the Siemens and Halske, with year of designing 24/3/1953 ...
Stereo Tube Amplifier circuit
The circuit is simple, yet is capable of excellent performance. I designed it specifically for use as an amplifier for the digital sound car...
Stereo Tube Amplifier
The circuit is simple, yet is capable of excellent performance. I designed it specifically for use as an amplifier for the digital sound car...
Audio Tube Preamplifier Circuit 6DJ8 / ECC88 SRPP
This tour, available in Stainless DIL 8 legs, can measure 4 analog voltage independent between 0 and 5 volts, and send the result of this me...
Line Preamplifier Circuit with Tube Acquisition
The circuit was designed to create a line preamplifier by acquiring the use of double triode tubes. The circuit comprises of three parts, th...
The MiniBlok SET Amp
This project uses just one tube. However, the tube chosen (13EM7) actually contains two separate triode structures. One is physically quite ...
Spunky Tube Amplifier
The diagram below shows that power supplies don`t have to be complicated, especially in low-power designs. The filaments are powered directl...
push pull tube amplifer
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Amplifier circuit from tube radio
The comment on using the existing phono connector was to not really change anything at all. Just replace the electrolytic and paper caps, ad...
Simple B+ delay circuit for tube power amp
There is a mod to the RC delay circuits some of you may want to consider. If you wish to have a shorter discharge time so that the circuit r...
211 SET 40W output design and mfg
An amp that uses 211 or 845. It puts out just over 40 watts. The tube must run in A2 to get this power, which is not a problem with a good d...
volume loss on tube amplified reel to reel player
i have a fujiya fl-555 (schematic attached) that i am having problems with. the recorder`s volume is very low even at maximum setting. it wa...
Tube amplifier
Hi everyone, just wondering as I am about to build my first tube amplifier is the attached design o.k. and also does anyone know a suitable....
807 Tube Triode Connected
This is a very nice amplifier design and it is very difficult to improve it. I am glad about the results because that's a very good way t...
TUBE/MOSFET/BJT hibrid amp
Because i cant get help with this in tubes/valves section, i`m opening thread here with HOPE , that SOMEONE whould be able to HELP ME. I nee...
Tube Preamplifier 5687 Led Biased
The RCA-83 rectifier makes use of 5VAC for the filaments. The heaters for the 5687 tubes are provided from a full bridge of MUR860 diodes, f...
tube power amplifier with el34 35w
It`s a classic designing of final amplifier 35 W, with two EL34 in push-pull, from the Siemens and Halske, with year of designing 24/3/1953 ...
build a simple single ended tube amplifier
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Amp Monoblock UL
You may be wondering why I am using four tubes. The reason is to get 50 watts without pushing them right to their limit. My tube manual give...
tube audio amplifier circuit
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tube amplifier circuit for guitar
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stereo tube power amplifier schematic
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power supply for simple high quality tube amplifier class a
Power Supply for Simple high-quality Tube amplifier class A power supply. Go to that page to read the explanation about above power suppl...
DIY 6T9 Tube (Valve) Single-Ended Amplifier Kit
The PCB for this amplifier can be purchased from Spare Time Gizmos for $16US. In a single afternoon you can have the whole board assembled a...
DIY Single-Ended (SE) 6L6 / 5881 Tube Amplifier
This past summer I saw Transformers: Revenge of the Fallen and I was inspired to build an enclosure for a vacuum tube amplifier that incorpo...
6418 Tube RIAA Phono Preamplifier
Last year I built and reviewed the low cost Oatley Electronics K272 Tube Stereo Headphone Amplifier Kit. In conversation with Oatley Electro...
A Direct-Coupled Amplifier with Cathode Follower by Raymond H. Bates
A Direct-Coupled 6V6 Tube Amplifier with Cathode Follower by Raymond H. Bates from Radio & Television News magazine November 1949...