Site sur l'électronique. WA380/UB8P UHF PORTABLE PA SYSTEM - Doss Ampli Public-adress : Liste des Produits. Sono voiture public-Adress megaphone voiture sonorisation mobile pour voiture d'intervention en vente sur public-adress.com - Public-Adress.com. DIY Solar Boombox /GhettoBlaster" You can construct a solar powered boombox for as little as $75 Combine a small, energy efficient digital amplifier, cheap bookshelf speakers, batteries, a small solar panel, and your MP3 player as a source.
Fasten everything together, add a handle, and take it on the road! This project makes for a fun, easy solar project, that will help you learn about how solar panel, and audio systems operate. Assembly has been simplified as much as possible, with a very high quality product as the end result. Possible applications- iPod or Mp3 amplifier "Off grid" remote or cabin audiophile system Third world use Eco friendly sound system for outdoor events Science fair or educational project Jobsite radio and tool battery charger Laptop amplifier for music and movies The Sonic Impact digital amplifier has been raved about by audiophiles. *Sonic Impact fans note* SCA Main Product Page. A12 Preamp Module Based on classic American preamp designs of the '70s, the A12 delivers an aggressive, immediately recognizable midrange with pronounced transformer coloration.
Compatible with most 2520 style op-amp modules. SC25 op-amp must be ordered separately A12KF Kit, 2S Transformer A12KF Kit, 2L Transformer. Bewitch 6550 KT88 Tube Hi-End Integrated Amplifier New. Ampli a lampes en DISCOTHEQUE ! : Matériel ancien, vintage - Tubes electroniques - Page 3. Bonjour Serge, bonjour DJ, au risque de me répéter, je rappelle que les soucis de fiabilité des amplis chinois ont des causes assez bien identifiées : - circuits de polarisation réglable peu fiables : potar trop petits, qui chauffent et lâchent... le tube rougit et fume !
- pas de tempo sur la HT : démarrage à froid au débit maxi, les cathodes sont tuées en quelques centaines d'heures. MC-3500. Electron's Tube Amplifier Pages THE McINTOSHHI-FIDELITY TUBE AUDIO AMPLIFIER FOR THOSE INTERESTED IN THE WORLD'S BEST VACUUM TUBE AMPLIFIER - CONSIDER THE EXTREMELY EXCELLENT McINTOSH HI-FIDELITY AMPLIFIER - GRAB ONE IF YOU CAN!!
Introduction: (click on links to connect) In the December 1949 issue of US "AUDIO" magazine, Frank H. The design shown had just been granted US Patent 2,477,074 on July 26 1949 in the name of Frank McIntosh. Thus the conditions were right to reveal to the world their new and very advanced concepts for electronic circuitry and transformer engineering design. Achat Occasion Peavey Classic 50/50 Hautes-Pyrénées (France) Stereo amp. Jean Hiraga's Super Class-A Amplifier. Model 16LS Stereo Integrated Tube Amplifier. 2A & DIY. Un réglage de volume passif intégré, possible grâce au niveau de sortie élevé des sources modernes, et une structure d'amplificateur au gain suffisant limitée aux étages essentiels, garantissent la transparence du système.
Rendement des haut-parleurs et facteur d'amortissement pour l'enceinte seront les critères de choix. A Sortie en push-pull "drain commun" : ces premiers schémas ont 20dB de contre réaction, le niveau de DHT+bruit est inférieur à 0,05%, la bande passante dépasse 200kHz. Le gain est de 29dB (x28). 2A & DIY. AmpliPassion. Ampli Stéréo, Single Ended, KT88, 6550, EL34. Cahier des charges. Le bloc alimentation est autonome. Pourquoi ? Parce que toute vibration du bloc alimentation peut se transmettre au châssis et faire trembler le grille induisant ainsi une ronflette à 50 Hz. Parce que quand on fait des amplis on est bien content d'en faire un nouveau en utilisant un bloc d'alimentation déjà fait.
Parce que, autrefois, de grands constructeurs préféraient faire ainsi pour éviter toute interférence mécanique ou magnétique de la partie alimentation sur la partie amplificatrice (vieille recette de vieux constructeurs d'amplis à tubes, que l'on peut reprendre à son compte). Il faudra obtenir en usage continu : 250 à 350 volts en continu sous 300 mA maximum, bien filtrés par une self. Achat Occasion Tascam Portastudio 244 Paris (France) DIY: Tube Amplifier Kit Build (In Recycled Box), Part 1. That's right kiddies (or kitties), it is time for another fun DIY!
Now if you check back a fewposts, you might start to notice that analog audio is a little hobby that we indulge in every now and again. A couple of years back we stumbled upon this kit from S5 electronics while looking for proof of alien backengineering on the interwebs... A little bit of background: Tube amplifiers are more or less obsolete, though there is a small subculture within the audio enthusiast community that will accept nothing else.
The last mass produced tube amps went out of production in the 70's but there has always been a crowd that prefers the warm sound of vacuum amplified glass. We won't go into much detail as to how it works here- you can wiki it for more info. Remember that most music is recorded digitally these days and most amplifiers are built of lumps of silicon, science stuff, and lasers. Allen & Heath XONE:42. La console est-elle transparente ?
Pas du tout! Au contraire, elle redonne une patate au son numérique et donne toute son ampleur au son des vinyles! 6L6GC videolar. DIY Stereo Tube amp Schematic. Quote: I completely agree with the sentiment of this post.
But, I would expand the possibilities... either the 9300-series with EL84/6BQ5 outputs, or the AMP175 type Magnavox with 6V6GT outputs. This is the Edcor output transformers you'd want to use, for either application: DIY Audio Electronic Surround Sound Home Theater System Techno News. Odd Blocks - KT88 Push-Pull Class A DIY Tube Amp with 12SL7 Driver. Class-A Ultra-Linear 12SL7 SRPP / KT88 SIPP Tube Amplifier A Pair of Push-Pull Class A, Ultra Linear Mono Block Tube Amplifiers that can be used with several different vacuum tubes including KT77 / 6L6GC / KT88 with a 12SL7 driver and 6NO30 tubes.
AquaBleu your DIY High-end Tube audio, Kits, Lundahl transformers and Krentreprise tubes. On vous présente 3 modèles de préamplis et 3 modules RIAA. On peut évidemment intégrer un module RIAA de votre choix dans un préampli. Ce qui rend nos préamplis si uniques : leur cablage en direct et leurs schémas simples avec des composants de première qualité et des alimentations extra-stables. Nos prix sont des plus raisonnables car les chassis utilisés sont simples et bons. Sur demande, on peut avoir un chassis design et une télécommande. Ce qui est très important chez nous, ce ne sont pas les mesures mais l'écoute. La serie Othello utilise des variations sur le principe Loftin White, c'est une triode à l'entrée pour le gain et ensuite un couplage sans condensateur ou transfo vers la triode de sortie, bref un couplage direct.
Amplificateur a tube KT88 push-pull DARED VP99 exclu HIFIATUBES.COM. KT88 and 6550 Tube Directory. The KT88 / KT66 /6550 / KT90 / KT120 Updated Directory Updated: 01/01/2013 The age of tube developments has ended around 1935.
Indeed after this date, there was no jump forward in tube technology. It was only refinement and miniaturization, which was new, but not an invention. Historically, there has always been competition between Europe and the USA, breaking things down to a level, such as the refusal to use a metric system in the USA, or the refusal in Europe to set industrial standards. Of course each side invented their own tube sockets, as if there were not enough of those yet. Add to this, the Europeans have patented the pentode. After the patents ran out, the USA gave up on the beam tetrodes, and real pentodes were made there as well. In Europe the EL34 was "the" big pentode which was the result of a long evaluation.
After this in the USA from the 6L6 the larger 6550 was derived and in Europe from the KT66 the larger KT88 was derived . Amplificateur à tubes KT88, ECL82 (6BM8). Style triode. Classe A Tube unique (single Ended) (Connection triode) (pseudo triode) YAQIN MC-100B KT88 Tube Vacuum Integrated Amplifier GB.