Hiwatt cp103 and dr103w pete townshends guitar gear. Hiwattcustom 100 dr103 owners page 4 the gear page. Aug 24, 20 the hiwatt name was then sold to richard harrison and his u. The stage amplifier pete townshend used almost exclusively from 1969 to 1982.
Looking for a vintage marshall super lead, 197071this is a beautifully clean 1972 hiwatt custom 100 from the original hylight dave reevesharry joyce era. It works great as either a clean amp or with pedals, since you probably wont have the luxury of turning it up loud enough. Hiwatt dr103 experts please help with 2 hole vs 4 hole. Hiwatt maxwatt spitfire electric guitar fantastic and powerful hiwatt guitar amplifier. Anyway, while perusing dr103 schematics, it looked to me like the hiwatt preamp wasnt that much different than my ab763. To really get into the hiwatt sound, youll need at least 2x el34 and the massive transformers starting at the custom 50s. Modulus uk guitar amp parts and kitss items for sale in hiwatt dr103 dr504. Made in kingstonengland, this one has the serialnr. Replaced all the tube sockets with the same persisting issue. Hylight 4input, partridge transformers, 200 uf capacitors dated 74. Mhuss hiwatt amplifier pages hiwatt registry part 3. This page is my attempt to correct the general lack of schematics and technical information about hiwatt amplifiers. It works great as either a clean amp or with pedals, since you probably wont have the luxury of turning it up loud enough for it to break up although im sure it sounds g.
This site helps you to save the earth from electronic waste. The ev in this blend serves more as a foundational cake, where the fane is the icing on top. I dont know if they ship to eu, but ill bet someone does. Hiwatt dr103 dr504 modulus uk guitar amp parts and kits.
This hiwatt dr103 custom 100 was built for the band by reeves in 69, in the small garage of his house in new malden, surrey, when hiwatt was a oneman operation. Apr 11, 2020 hylight 4input this dr 103 was found in mint condition,with original mullard tubes from 77,it is the cleanest hiwatt that ive ever seen, one in a thousand. Fractal audios hipower models are based on hiwatt s flagship product. Its a great time to upgrade your home music studio gear with the largest selection at. It has been serviced with new electrolytic caps, upgraded flameproof screen grid resistors across the tube pins, and was fitted with a variable bias pot since they dont make tubes like. I bought this hiwatt in 1981 and am only the second owner. Hiwatt diagrams, schematics and service manuals download for free. This entry was posted in amps and tagged dr103, hiwatt. Populated preamp board, using two watt carbon film resistors, and mallory 150 film caps detail of snapin cap mounting. The cab is loaded with g12m pre rolas and while im waiting for a fane loaded cab, they did a great job pairing with the hiwatt. Im currently looking for a good attenuator, so i can crank my hiwatt. One handdrawn set of schematics has been widely circulated, and published in. Vintage 1970s 1974 hiwatt custom 100 100w dr103 valve amplifier headwe purchased this off of the original owner, who had owned this since new, and had ordered it from a local store back in the 1970s. Circuit simulation modeling vacuum tube guitar amplifiers using spice.
Hiwatt late 60s fourlnput preamp preamp trom dr103 sin 903 drawng rev 1. Aug 08, 2014 the hiwatt custom 100 dr103 august 8, 2014 amplifier features, amplifiers 100 dr103, custom, hiwatt david szabados when marshall amplifiers became wildly popular on the music scene in the mid 60s, clone and copy makers soon followed with their own versions of the famous marshall super lead design. Their model 1650ta is good for a 100 watt and 1650ka for a 50 watt. Im selling a clone of a hiwatt dr103, handmade in florida by gosh sound amps. Roky gives a good tone comparison in the last week or so two of my hiwatt clone customers one has a dr103 clone and one has a 120 watt sound city 120 hiwatt conversion came over to bs and they both plugged into my beater bf showman head wmr springgy reverb pedal thru an avatar 2x12 open back.
Ronnie woods 69 hiwatt 100 dr103 vintage guitar magazine. I am curious as to how different you would say the 2 and 4 hole models compare as far as the best clean sound possible. I loves me some hiwatt tone for sure, but id need at least two dr103s to even hear my bass loud enough to tune it. Hiwatt style buffer and cathode follower in blackface. A modified hiwatt version of the amp page was using during the royal albert hall concert in 1970 rah and a classic hiwatt dr 103 version wiio. Discussion in amps and cabs started by teh redwizard, nov 17, 2015. The hiwatt name was then sold to richard harrison and his u. Hiwatt dr 103, dr 112, se4122 diezel vr4s rivera s120 dr. Theoretically, the fourkt88 model is more capable of producing the 200watt stated output than the sixel34 version, which would probably be closer to 150 watts. As with all hiwatt circuits, you can jumper the channels to blend the 2 tones stacks and add more gain. For a low impedance driver like a cathode follower, this is a highlyaccurate assumption. Hiwatt tube amp schematics, hoffman amps tube amp schematic library. As for drive pedals i think the boss od3 monte allums gt plus mod sounds very nice and also the emma reezafratzitz.
Sorry for my playing, it was just a test with my new telecaster. One handdrawn set of schematics has been widely circulated, and published in both pittman and webers books, and a few audio brothers schematics have been seen in the wild. Vintage 1970s 1974 hiwatt custom 100 100w dr103 valve. Aug 20, 2016 recorded with a tascam dr 40, no overdrive, just a reverb from my tc electronic nova system. Hiwatt dr103 custom 100 tube guitar amp head musicians. Hiwatt amps have a sound of their own, especially in combination with the famous fane speakers. Originally posted by fftt these guys build cabs for all kinds of companies. Heyboer transformers in michigan, usa, is now making hiwatt style ots, using highgrade lams and winding patterns like the original. Hiwatt dr103112 sch service manual download, schematics.
And now, please take a look at this 400 watt power supply schematic on which this amps power supply is modeled on. Handwired, classic tube sound from across the pond. Here is the tone stack from the hiwatt cp103, better known as the amp. After training at marconi and mullard, reeves worked for mullard in the mid 60s, and built amps for ivor arbiters sound city music store in 6768, but was developing his. Aiming more for that classic dr 103 tone i started getting parts to build the wiio circuit using a schematic. Nice handmade amplifier made in england, the amp has just been serviced and works fine and is very reliable. In the united states especially, hiwatt custom 100 dr103s can be found and bought at a tremendous value. Custom 50 dr 504 style faceplate set select your colour. You can custom order as you wish and the prices are reasonable. The hiwatt custom 50 dr504 is the original alltube 50 watt hiwatt head that preceded the reissues of the 1990s. This has been well looked after since new, and it is now ready for a new home. Indeed, in groove tubes president aspen pittmans book, the tube amp book, the hiwatt dr103 is listed as one of the top 10 greatest amplifiers of all time. I doubt that this amp has much tone in common with the classic hiwatt sound, and it wouldnt surprise me if its not a true class a amp, but i am a sucker for the hiwatt look used to own a dr 103, too loud. In order to keep up with the times, this collaboration began offering a line of asianmade amps under the hiwatt name that included solidstate models in their bulldog series of amplifiers.
Mhuss hiwatt amplifier pages hiwatt registry part 2. Hiwatt custom 100 dr 103 1972 amp for sale epica music center. As long as the internal chamber of the cab is open, youre going to get cross bleed between the ev and the fane even if you just mic up the fane. Recorded with a tascam dr 40, no overdrive, just a reverb from my tc electronic nova system. Hiwatt personalizzati dr 103 modello originale 100, anno 1972, grande epoca hiwatt, con trasformatori partridge. Here is the tone stack from the hiwatt cp103, better known as the amp created for the who. The sound of a custom 100 stack at full tilt is truly amazing, with power and responsiveness guaranteed to blow your socks off. I have the reeves custom 225 which is the same circuit in a true 2 channel dr 201 circuit, but a 2 holer configuration. Hylight 4input modded amp, owned since 1976, still my main amp. Reeves custom 100 hiwatt dr103 issue the amp garage. Well sought after and highly collectablegreat amplifier for all around music, for all venues.
Hiwatt dr 103 tone stack after preamp section we were talking for a long time about different kind of amp circuits, and he suggested me trying to move the tone stack after the preamp section. Save up for a reeves 225, or get ready to carry two dr103s around. This is the legendary hiwatt circuit that started it all each dr103 is an authentic and faithful reproduction of dave reeves original amplifier. Hylight 4input custom 100, original exept for replacement philips el34 tubes, caps and mains toggle. Its factory spec, it was apparently one of about 50 made between 1969 and 1970. Jfet version of the hiwatt dr103 preamp, with a few extra components to hopefully. Output circuit wiring was done following any of the old hiwatt dr103 schematics. Hiwatt has proudly crafted truly handmade amplifiers and cabinets, serving the worlds best players since 1966. To simplify the mathematics, well make two important assumptions. I have a 1977 hiwatt dr 103 and made a small clip this week with a fuzz face and a fulltone mdv 3, its not high quality recording as it was done with my iphone and you hear my strumming. According to schematics ive perused, hiwatt apparently produced two versions of the dr201.
I believe ive currently got 6l6s for power and 12ax7s for the preamps both groove tubes brand. Another possibility for new builds not a dropin replacement is a generic. One with six el34s in the output stage, the other powered by four kt88s. Hiwatt dr103 custom 100 tube guitar amp head musicians friend. Hiwatt dr 103 custom 100 watt 1980 black tolex amp for sale. Hiwatt cp103 and dr103w pete townshends guitar gear whotabs.
Most notably, the hiwatt features a buffer gain stage with a volume pot for padding and then what i believe is called a cathode follower gain stage between the stage which makes up for eq drops and the phase inverter. These caps are inexpensive, high quality, and rated at 105 degrees c, but come in an odd 1. I replaced a transformer and one tube socket in the late 70s. The hiwatt custom 100 features a dual channel preamp with low and high sensitivi. Single coils first, humbuckers after 7m00s this dr103 is equipped with a different preamp from most hiwatts. I know the hiwatt soundvoicing is what i require, but i also wanted the awesome cleanheadroom the early 70s heads are known for. Go to so tube amp information, guitar amp schematics. The hiwatt 200 watt amp does infact follow this type of design and gives the expected 200 watts please see this 200 watt power supply schematic below.
Hylight slave 100w slave amp dr 103 on serial number plate, dated 141174 on sticker. First, well assume that the driving circuit has an output impedance of zero. Servicing of a hiwatt dr405 400 watt clone amplifier. Its been nearly four years since they were replaced. The hiwatt dr103 custom 100 featured an 11tube chassis pushing 100 watts through two separate channels that used either two or four inputs. The hiwatt custom 100 features a dual channel preamp with low and high sensitivity input for each, 100 watts of all tube output, and individual controls for brilliant normal inputs, bass, treble, mid, presence and master volume. The stack is also found in sound city amplifiers like the sc105. Vhr is a good retail outlet for these hammond is now making output transformers with normal 04816 secondaries. Constructed exactly like the dave reeves original dr 103, making this amp sound like no other. Hi everyone, my 1973 hiwatt dr103 custom 100 is in need of some new tubes. I believe this amp has less than a 100 hours of playing time on it.
Hiwatt custom superhi 50 head 50watt guitar amp maxwatt amplifier. Nicesounding and clean 1980 hiwatt dr 103 10watt alltube amplifiers in excellent and all orginal condition. Hiwatt maxwatt spitfire still nice condition, it is a bit worn but apart from that a very nice item. Service manuals, schematics, eproms for electrical technicians. Hiwatt dr103 tone stack after preamp section gearslutz. If you are buying a hiwatt item mail order unseen, purchase it from a reliable source in america. Aiming more for that classic dr 103 tone i started getting parts to build the wiio circuit using a schematic i found on the forum and the great layouts by guitarfx layouts.