All registered trademarks and trade names are properties of their respective owners and are used only for the clarification of the compatibility of our products with the products of the different manufacturers. Vacuum tubes are the oldest form of amplification technology and. Page 1 stereo valve power amplifier total solder points. My original k4000 circuit used 100k, but i would like to use this later version which does away with the input cap. Velleman k4040 stereo tube power amplifier for sale. Get the best deals on velleman electronic components when you shop the largest online selection at. This 300b singleended tube amplifier adopts the famous audionote circuit. With over 40 years of experience, our company is an established value in the development of electronic kits, instruments and modules and it markets an extensive range of consumer and doityourself products. The timebase is from 2 microsecdiv to 20sdiv in 22 ranges. Throughout the years, velleman has produced an incredible array of kits, modules. This tutorial will show you how to create a first basic application for your velleman k8055. Unfollow velleman k4040 to stop getting updates on your ebay feed. We take purchase orders and can provide special school, government and corporate pricing. Velleman k8060 200w discrete mono audio power amplifier.
Velleman k4700u 2channel loudspeaker protection kit. About 2% of these are amplifier, 0% are home theatre system. Velleman k8055 k8055 software tutorial k8055 software tutorial short introduction. For sale is a velleman k4040 stereo tube power amplifier. Velleman, the top name in electronic kits, also develops creative workbench solutions for technicians. Certain names, symbols or logos in this catalog are brands or registered trademarks, even though this may not. Velleman hps10 oscilloscope us service manual free. A highpower valve amplifier has long been beyond the price range of all but the rich, but with the velleman stereo valve amplifier kit everybody can enjoy that sublime valve sound. All uk carriers are experiencing unprecedented demand, so it may take longer than usual to deliver your item. Now your project is ready for the real programming. Velleman was founded by koen velleman in 1974 to produce electronic kits. Position all parts on the pcb printed circuit board as shown on the drawings. The lab2u is just such a product, combining a 40 mss digital oscilloscope, 1 mhz digital function generator, and 312 vdc 1a regulated power supply in one desktop. In the development process, special attention was given to the housing so that the expensive valves are displayed in a visually attractive manner.
Velleman at least designs some safety into the scopes inputs, many of the low cost ones seem like they have none. A wide variety of velleman k4040 stereo vacuum tube amplifier kit options are available to you, such as channels, type. Standalone controller for k8200 3d printer this is a standalone controller for the velleman k8200 3d printer pn. Stereo power amplifier k4040 amplmixer velleman, sa. Velleman electronic modules are assembled versions of their more popular kits and mini kits. The velleman personal scope hps5 is a complete digital portable oscilloscope with a bandwidth of 1mhz,and 5mhz sampling rate. Velleman hps140i miniature dso a thing of beauty or ugly. I have replaced all the power tubes to brand new jj e34l 3 weeks ago. Suitable for programming microchip flash pic microcontrollers. Velleman k4040 for most of us a high power valve amplifier is unaffordable.
Illustrated assembly manual h4040ip1 f o r m o s t of u s a h i g h p o w e r v a l v e a m p l i f i e r i s u n a f o r d a b l e. Buy velleman electronic components and get the best deals at the lowest prices on ebay. Y kits this sheet is useful when you want to know which modules you could find in the doityourself range of velleman kits and minikits. Great savings free delivery collection on many items. View and download velleman k4040 illustrated assembly manual online.
Electronic components capacitors coils resistors semiconductors. Service manual free download,schematics,datasheets,eeprom. This kit changes that, so that now everybody can enjoy that sublime valve sound. Velleman k4040 stereo tube power amplifier tube audiogon. Im trying to educate myself concerning valves, but still need help with some questions. Velleman mk5 electronic decision maker kit rapid online. Velleman valve amplifier kit k4040 service manual free.
Velleman hps140i miniature dso a thing of beauty or ugly duckling. The protocol used between the velleman firmware and the software uses a simple. Anyone heard the velleman k4040 tube amplifier kit. Once assembled, it can be integrated into a commerciallyavailable or custom stereo amplifier, or put in its own enclosure. The ic is completely thermally and shortcircuit protected. Velleman is a member of bsci since the beginning of 2016.
This easytoassemble kit will get you the compact amplifier you. Download velleman k 4040 valve amplifier kit k 4040 car wirings and schematics,automobile documentation, auto repair guides,car audio manuals, car stereo schematics 4 free service manuals, schematics, documentation, programs, electronics, hobby. No computer needed slicing of 3d object and saving to sdcard still needs to be done on a computer. Vellemans protocol compression making it better but sometimes worse the designer of the original firmware made some attempt to address the poor throughput of their unit. You can reproduce the muchloved sound of the 1950s with the velleman stereo valve amplifier kit. Velleman 15channel ir transmitter that together with the 15channel receiver k8050 form a very flexible system for remote control in a number of different contexts. Now it is going to be my main amp again, so its time to sort it out. Values on the circuit diagram are subject to changes. Velleman lab2u 3in1 lab unit oscilloscope, function. Velleman k8049 15channel ir transmitter kit, multicolour. Velleman politely declined my request for the schematic or service manual, stating that the product was too new to market for the technical. Infosheet connection diagram with a pc interface board. These modules come ready assembled and tested, they are ideal for incorporating in to your own project or can be used as they are. Ive owned dozens of tube amps in the past and have always prefered the sound of a good tube amp over most solid state amps.
Legen heirweg gavere belgique, build 2006, 6 pictures, 11 tubes, belgium, schematics, semiconductors. This is a software class with functions to access the k8055. Velleman k4040 stereo valve amplifier chrome version. Velleman k8055 k8055 software tutorial k8055 tutorial. A copies of manual and schematic diagram is included. First we need to add my k8055 class to the project. Velleman k4040b stereo valve amplifier black version. Standalone controller spare part for velleman k8200. Anyone heard the velleman k4040 tube amplifier kit this kit is on their website as a stereo tube amp using 4 el34 tubes with 90 wrms per channel. T h i s k i t c h a n g e s t h a, s t h a t n o w e v e r y b o d y c a n e n j o y t h a t s b l i m e v a v e o u.
I made this 20 years ago, apparently, but never modified it. The sound of valves cannot be surpassed, neither by transistors nor fets. I recently puchased a velleman k4040 tube amp kit to drive my home brew esls. Such as, can i alter r from 33k to 47k or even to 100k without upsetting the gain or rolloff of this ecc82 input. The input sensitivity is from 5mvdiv to 20vdiv in 12 ranges.
Downloads support velleman wholesaler and developer. Monacor pa4040 service manual free download,schematics. I used this amp as a back up for my system and so the usage is limited. Velleman k4700u 2channel loudspeaker protection kit protect your loudspeaker investment with the k4700u kit from velleman. The amp use 8 el34 power tubes, 2 12ax7 and 1 12au7 for the driver and input tubes. This is my vellemank4000 tube valve for the english power amp and is the power amp for the main front stereo system in my home theatre, a position it has held for the last 20 years. I have found a a thread in diy audio with a list of improvements, and before i do anything i thought i would ask here if anyone can see any problems with the mods.
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