In recent years the k4000 has been replaced with the k4040 which is much the same except that it has an led indication for setting the bias of the el34 output tubes and has chrome sleeves that fit around the base of the el34 s to improve the finish a bit. I made this 20 years ago, apparently, but never modified it. The velleman vm8400mb atmega 3dprinter mainboard is a high quality, open source controller board for 3d printers, soft material cnc routers or your own project. I bought the k4000 second hand from a dutch audiophile for about 500 euro back in 2008. Jameco will remove tariff surcharges for online orders on instock items learn more. Legen heirweg gavere belgique, build 2006, 6 pictures, 11 tubes, belgium, schematics, semiconductors. View and download velleman k8060 assembly manual online.
Anyone heard the velleman k4040 tube amplifier kit audiogon. Our communitybased support forum is a great place to learn, share, and troubleshoot your maker products. The velleman group takes all possible precautions to ensure the completeness and. Velleman k4040 amplifier tube daveinva tubes asylum. Full text of everyday practical electronics 2010 05 see other formats. We also share information about your use of our site with our social media, advertising and analytics partners who may combine it with other information that youve provided to them or that theyve collected from your use of their services. For most of us a high power tube amplifier is unaffordable. However, their products are currently distributed throughout 85 countries. For most of us, a high power valve audio amplifier was an unaffordable luxury. Velleman kits k1803 universal mono preamplifier kit kl 823 1 a power supply. Full text of everyday practical electronics 2010 05. Velleman k4040 velleman k4040 stereo valve amplifier chrome version you can reproduce the muchloved sound of the 1950s with the velleman stereo valve. Velleman vm8400mb atmega 3dprinter mainboard vellemanstore. Jan 15, 2017 velleman k4040 stereo tube power amplifier kit january 15, 2017 admin velleman 0 affiliate disclosure.
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. 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. Velleman k4040 stereo valve amplifier, chrome kit quasar uk. The velleman k8010 has plenty of power, deep bass and low distortion, yet still affordable.
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. They are currently based in belgium but have established offices in spain, france, the netherlands, sweden, poland, china, taiwan, and the usa. Velleman has been developing electronics for over 40 years. The velleman k4000 my first step into a higher end the velleman k4000 valve power amplifier was what i believed back then my very first decent audio component and actually was my first step into high end audio reproduction.
Service manuals, schematics, eproms for electrical technicians. The document in pdf version contain of schematic diagram, part list, component guide, step by step how to build the circuit. Sie konnen auch zwischen berufsverstarker, hauptverstarker velleman k4040 stereo rohrenverstarker kit wahlen. An output with relay contact is provided, and controlled by the units temperature alarm function. Post questions and get advice from other people using the same products as you. Today, velleman is present in more than 80 countries with no less than 16,000 products, spread across 8 private. Velleman k4040 stereo valve amplifier chrome version. Since 1984, the exchange has not only created a marketplace amongst the distributors but also developed a ground for.
Now it is going to be my main amp again, so its time to sort it out. Its based on the atmega2560 microcontroller and uses drv8825 stepper driver boards i. Solder a 35 cm length of red wire to the 0 connection red. Velleman vm8400mb atmega 3dprinter mainboard the velleman vm8400mb atmega 3dprinter mainboard is a high quality, open source controller board for 3d printers, soft material cnc routers or your own project. To open downloaded files you need acrobat reader or similar pdf reader program. Fit the unit onto the housing with three black allen bolts, fix with a shakeproof washer and nut. Velleman for makers forum community help and support. We take purchase orders and can provide special school, government and corporate pricing. Throughout the years, velleman has produced an incredible array of kits, modules and instruments. Wire rope exchange june 2011 free download as pdf file. Velleman k4020 sch service manual download, schematics. The sound of valves cannot be surpassed, neither by transistors nor fets. Velleman also owns subsidiary brands hq power and perel. This preamplifier has been designed for this purpose and provides you with a headphone output, allowing you to practice without disturbing others.
However, the sound does not quite match the price, and i keep this amp mostly for its looks. Stereo valve power amplifier 28 pages amplifier velleman hq power paa04 user manual. Moreover, it is fitted with a special device for tone adjustment so you can create your own sound. This kit changes that, so that now everybody can enjoy that sublime valve sound. All functions are accessed by means of the 2button remote control. Page 1 stereo valve power amplifier total solder points. I posted some time ago a note about my velleman k4040 amplifier. Mono mosfet amplifier kit k4040 stereo valve amplifierchrome kit k4040b stereo. A attractive chrome plated enclosure has been designed, to match this stateoftheart design. Check that the solder side of the pcb, is along the side of the nuts.
Suitable for a wide range of applications for hobby or professional use. Available in black finish k4040b or in chrome finish k4040. Velleman k8000 velleman k8000 velleman k8000 what is the velleman interface card. Unfollow velleman k4040 to stop getting updates on your ebay feed. Browse over 30,000 products, including electronic components, computer products, electronic kits and projects, robotics, power supplies and more. Catalogue velleman projects fr by velleman nv issuu.
I am the second owner and the original owner bought this as a kit. 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. Lacking experience with tubes, i was looking for some time for well documented mods to the kit. Stereo tube valve amplifier kit qkits electronics store. 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. Vacuum tubes are the oldest form of amplification technology and.
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. We may earn commissions from purchases made through links in this post. This single channel tube amp delivers up to 65w of pure class a power, due to its kt88 output penthodes. We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. About 2% of these are amplifier, 0% are home theatre system.
Issuu is a digital publishing platform that makes it simple to publish magazines, catalogs, newspapers, books, and more online. One main circuit board a few minor circuit changes have been made to improve stability with different loads high quality capacitors are used throughout the circuit for improved performance and stability less wiring means less connections which could result in added noise and distortion servicing is less. Velleman k4040 stereo tube power amplifier kit january 15, 2017 admin velleman 0 affiliate disclosure. Amplifier velleman k4040 illustrated assembly manual. A wide variety of velleman k4040 stereo vacuum tube amplifier kit options are available to you, such as channels, type. 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. Velleman k4040 for most of us a high power valve amplifier is unaffordable. Easily share your publications and get them in front of issuus. Velleman k4040 stereo tube power amplifier for sale. An electric guitar cannot be connected to just any amplifier or audio installation. This document is the manual of 2x90w stereo tube power amplifier with el34, model k4040 by velleman. Velleman kits lidiiat, jw k1803 k1823 k2543 k2570 k2572 k2573 k2579. View and download velleman k4003 illustrated manual online. Velleman valve amplifier kit k4040 service manual free.
All registered trademarks and trade names are properties of their respective owners and are used. Velleman is a member of bsci since the beginning of 2016. I recently puchased a velleman k4040 tube amp kit to drive my home brew esls. Velleman k4040 stereo tube power amplifier tube audiogon.
Velleman k4040 illustrated assembly manual pdf download. In the development process, special attention was given to the housing so that the expensive valves are displayed in a visually attractive manner. The most vulnerable point of a valve amplifier are the output transformers. Full text of everyday practical electronics 2010 12 internet archive. The phase splitter used in the k4040 is often referred to as concertina phase splitter, when looking at the schematic diagram it resembles a cathodyne phase splitter. The card offers some analogdigital connections to do this. View and download velleman k4040 illustrated assembly manual online. Description thank you for purchasing the velleman k8009m8009 multifunctional clock. For most of us a ih gh p ower valve amplifier is unaffordable. Large range of high quality self assembly electronic kits.
Velleman k4040 stereo tube power amplifier kit tube. My original k4000 circuit used 100k, but i would like to use this later version which does away with the input cap, while still keeping a high impedance for my passive preamps. Solder a 35 cm length of yellow wire to the 4 ohm connection yel. Besides basic functions as time and date, it is also packed with lots of handy features. The sound of the amp as built from the kit was unremarkable and definitely not in line with the price. For sale is a velleman k4040 stereo tube power amplifier. These modules come ready assembled and tested, they are ideal for incorporating in to your own project or can be used as they are. Stereo power amplifier k4040 amplmixer velleman, sa.
The wire rope exchange is an international sales magazine circulated to 5,000 companies within the crane operations, rigging, lifting and load securement industries. Full text of everyday practical electronics 2010 05 internet archive. Velleman test equipment products on sale at tequipment. Vacuum tubes are the oldest form of amplification technology and most all of them today are made in russia. Velleman was founded by koen velleman in 1974 to produce electronic kits. Includes 49 page stepbystep pdf tutorial manual, program ming. Audiohifi applications popular products in this category. Velleman electronic modules are assembled versions of their more popular kits and mini kits. In order to get nice straight wiring, without too much folding and measuring, follow these hints.
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