So your crunch channel becomes much more of a true clean channel. Mar 18, 2011 demo of the 5 2 watt pico valve from jet city amps. It comes with a 6l6 installed, which can be userreplaced with an el34, without adjusting the bias of the amp. The jet city jca20h tube amp head delivers pure tube tone from a singlechannel amplifier with absolutely no gimmick features to dilute the alltube signal path. From thd electronics and designer andy marshall, the jet city picovalve is an incredibly compact, lowwattage tonal monster. Discussion in the loudhouse started by gilmourd, sep 20, 20. They offer pedals, an attenuator, an isolation cabinet, and various other tools for guitarists. Welcome to jet city the jet city amplification jca2212c is a 20 watt, 2channel guitar amp combo with independent preamp and master volume controls for each channel. Philadelphiabased jet city was established in 2009 to produce quality valve guitar amplifiers at highlyaffordable prices.
It seems to made ideally for modern rock and metal. Its balanced for the most part across the lows, mids and highs. Open quick view dialog for jet city amplification shockwave distortion guitar effects pedal. Premiumquality tube amps at very affordable prices. Ability to read a schematic is not necessary, and even those with a basic knowledge of how to solder can do at least some of the basics and grow from there. Epic amplification handwired tube amps, effects, and. The amps spec, build quality and tone belie its humble price, which all adds up to an auspicious beginning for the brand. Mar 31, 2011 enter the new jet city picovalve head. Jet city amplification jca5212rc owners manual pdf. Jet city amplification jca22h service manual pdf download. Amps contain lethal voltages, even when turned off and unplugged. The only el34 that worked and sounded good was a ruby that jet city sent to me to try out.
Tete dampli guitare tout lampe jet city amplification picovalve. On the flip side, bucking the trend is in their blood, so it stands to reason that several american manufacturers are leading the charge in the lower wattage amplifier game. The amp s spec, build quality and tone belie its humble price, which all adds up to an auspicious beginning for the brand. All amplifiers and extension cabinets in the design by soldano series feature multiply hardwood cabinetry, 16gauge steel chassis, custom. Designed by andy marshall and licensed by thd electronics, jet city s picovalve amp head is a compact, lowwattage tone machine. Jet city amplification design by soldano tube guitar amps. The amp was more responsive to eq, less muddy but still muddy, and more open up.
Aug 19, 2010 the jet city jca5212rc is the only amp that has a dedicated full body clean sound you can dial down the gain on some of their other amps, but there is always some toneshaping early in the amp that limits some lows that would otherwise flub in an amp with multiple series gain stages when you turn up the gain. Jet city picovalve mod thread page 11 my les paul forum. I dont know what is done specifically, but i believe a couple caps are switched out for different values in the tonestack. Schematic source is from jetcity picovalve markings over. Jet city amplification jca5012c 50w 1x12 tube guitar combo amp. Jet city amplification jca20h 20w tube guitar amp head. Aug 19, 2010 got a very fast reply from greg at jet city on my 20 watt combo.
The jet city was noticeably less expensive, yet still functions in the key ways i would need either amp to function. Ive got the picovalve sounding real nice, cleans included but it took a lot of work. Guitar carvin c66 wdimarzio evolution pickups jet city afterburner overdrive whitebox engineering 2x12 cab wvintage 30 and g12h30 speakers. This is a very under rated small amplifier with big 6l6 power tube and large output transformer. Our pick of micro heads and combos from blackstar, fender, jet city, hughes. Custom 5 has 2 12ax7 preamp tubes and 1 power tube. Jet city owners club page 6 telecaster guitar forum. The picovalve is one of those amps that sounds good right from the.
There are more micro valve amp heads on the market at the moment than you would dare to shake a whammy bar at. Lowwattage tube guitar amp designed by thd electronics for sizzling tube tone in a compact, but powerful head. Jet city has the power plant you need to deliver great guitar tone. Mar 03, 2012 jet city picovalve amp, recorded with a shure sm57 mic. All tone controls set at 12 o clock and bright switch engaged. You probably know the background on these, but lets be honest, they were designed to be the working mans univalve by thd. Designed by andy marshall and licensed by thd electronics, jet citys picovalve amp head is a compact, lowwattage tone machine. The jet city amplification picovalve is a 5 watt tube amp that just oozes tone. Youd be missing out because this isa wellmade amp that has a lot of potential. An updated cab with user convertible semiopen or closed back and a speakeremulated direct output. With other models in the pipeline including designs from other bigname designers jet city is most definitely a name to watch.
You know who you are, youbought the thing because it is a great deal it just does not sound good stock. Jet city picovalve amp, recorded with a shure sm57 mic. What makes these amps great for small room settings is the ease of use in the pre amp. The little vox, in addition, has an excellent highgain sound whereas the picovalve sounds like what it is, a poorlydesigned vocational school apparatus constructed. I havent done an actual trace yet but i am planing to do a 100% acurate schematic of the actual pcb before i start modding. Jet citys lineup of valve amps and cabs are now available at gear4music featuring collaborations with mike soldano and martin kidd for fabulous tones with exceptional prices. The amp head features thds unique topology, which allows the user to swap the power tube at willuse nearly any octalbased tube without the need to. The jet city jca5212rc is the only amp that has a dedicated full body clean sound you can dial down the gain on some of their other amps, but there is always some toneshaping early in the amp that limits some lows that would otherwise flub in an amp with multiple series gain stages when you turn up the gain. The jca5212rc is an alloriginal soldano design for jet city amplification.
Picovalve jet city amplification picovalve audiofanzine. Packed with a pair of 12ax7 preamp tubes, and a big fat 6l6 in the power section, the picovalve is the brainchild of thd electronics guru andy marshall. The amp head features thds unique topology, which allows the user to swap the power tube at willuse nearly any. The amp head features thds unique topology, which allows the user to swap the power tube at willuse nearly any octalbased tube without the need to rebias the amp. V1 12ax7 input and 1st gain stage closest to the input jack. The tone controls shape the sound of both channels and are interactive which means that each control will affect the others. Ultimately, the jet city does what i wanted, in a more straight forward package. Like all previous soldanodesigned amps from things get a bit more complicated when you want to use jet city amplification, the jca5212rc features the crunch. Got a very fast reply from greg at jet city on my 20 watt combo. Thisequipmentisnotforoftentransportedandused,it shallbeconnectedtoamainssocketoutletwitha protectiveearthing. In a sidebyside comparison with a vox 4 watt mini both using the excellent 12inch eminence jet city speakers, the picovalve could not provide as much sound pressure volume. Imo the pico and tweaker both sound better the closer a tube is to 6v6 specs. Jet city amplification products deliver the utmost in pure, alltube tone, from shimmering clean to thick n raunchy, while being affordable enough for musicians slugging out a living on the small stage.
The thing about the 12dw7 is one side has a gain factor of 100 the other side has a gain factor of 20. In the case in which other parts are used which constitutes an improvement, jet city amplification may, at its. To quote the company, jet city amplifiers are designed in seattle with a very simple no bullsht philosophy. I just love amps for the way the original design was intended rather than redirecting or trying to make it sound like something else that is just me. Ive uploaded a description of the mods and a schematic of the preamp to. All amplifiers offered in this series, outside the picovalve designed by andy marshall of thd, were designed by the legendary mike soldano. The thread for jet city amps, pedals, and other gear. I guess this explains why the reverb disappeared when i put an 12at7 in v2. In combos, the speakers has already been matched to the. What makes these amps great for small room settings is. Demo of the 5 2 watt pico valve from jet city amps. Jet city picovalve amp mod by river city amps ebay now there is no excuse not to improve your jet citypicovalve amp. The little jet city picovalve has all the modretro vibe youd expect from a 21 stcentury tube amp, but its not just a looker.
I have always wanted to delve into amps and the picovalve is going to be a great learning tool. Like andys now legendary thd univalve, the picovalve is designed so that it can run pretty much any power valve without needing to be rebiased. Jet city amplifiers are all valve guitar amp from the creators of the soldano slo 100 tube. Imo the tone starts to thin out and sound cold with el34s. Jet city amplification has an unpretentious approach to guitar amplification simple, focused, and greatsounding products for guitarists. The jet city custom eminance speaker sounds very good.
However, it is possible that lethal voltages remain due to broken circuit traces, or other mods and or mistakes made while modding. Jet city likes this amp best with humbuckers, but well happily plug in anything. Nf03433picovalve jet city v1 american musical supply. Its ability to respond to the core tone of every guitar i fed it helped me wring more nuance out of my instruments andthereforeperformances. However, it is possible that lethal voltages remain due to broken circuit traces, or other mods and or mistakes made while.
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