It also has an internal frequency sweep generator and a scope. Your jca20hv was designed by the worldrenowned tube amp designer mike soldano, in seattle, washington, and meticulously. Based in redmond, washington, jet city products are made in china, but designed in the usa by some seriously qualified amp gurus, including michael soldano, thds andy marshall and ben verellen, who are all based in nearby seattle, hence the jet city moniker. The amps spec, build quality and tone belie its humble price, which all adds up to an auspicious beginning for the brand. With jack inserted into 16 ohm input no speaker to output load resistors seem to be connected at only one side 16 0hm t what means open circuit for an amp. Free electronics schematic diagrams downloads, electronics cad software, electronics circuit and wiring diagrams, guitar wiring diagrams, tube amplifier schematics, electronics repair manuals, amplifier layout diagrams,pcb software for making printed circuit boards, amplifier design software cad for drawing circuit diagrams free download. Jet city 333 jca20h hsg mod high saturated gain with.
The company prides itself on high levels of build quality and reliable, costeffective components paired with mikes legendary knowledge of tone circuitry. We liked the way it sounded so much, we decided to put i. 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. Big, robust transformers, including a choke, create a. Jan 30, 2012 jca20h with el84 triode pentode switch and schematic circuit diagram. Ive had it for 2 years, but since the start of the month it hasnt been performing as well. It is not new but it is in fact an all modded jetcity20.
Jetcity jca20h sch service manual download, schematics. The puretube preamp includes gain, full eq, and bright, mid, and bass boosts. The tolex looks good as does the coarse speaker cloth mesh. Its a great time to upgrade your home music studio gear with the largest selection at. The jet city custom eminance speaker sounds very good. Jet city amplification jca50h 50w tube guitar amp head. The jet city amplification jca2112rc 20w 1x12 tubedriven combo takes all the tone and punch of the jca20h head, adds real tube reverb and pairs it all with a single 12 jet city eminence speaker rated at 100w rms. Jun 15, 2011 since we first encountered jet city amps, the usa brand has been steadily building up its business in the uk, and with good reason. Occasionally it will squeal very highpitched noises. Jca20h with el84 triode pentode switch and schematic. Your jca20hv was designed by the worldrenowned tube amp designer mike soldano, in. This is good, as i got it for the delisle, which they usually pair with an eminance private jack.
The company prides itself on high levels of build quality and reliable, costeffective components paired with mikes legendary knowledge of tone circuitry and experience. Unleashing 50 watts from a pair of 6l6 power tubes and all the features of the jca100h, the jca50h 50w tube guitar amp head from jet city is ideal for gigging musicians who need. Perusing the interwebs, there have been suggestions that my power tubes might be on the fritz although ive had no symptoms leading up to this failure. The jet city jca20h tube amp head delivers pure tube tone from a single channel amplifier with absolutely no gimmick features to dilute the alltube signal path. We liked the way it sounded so much, we decided to put it into production. With other models in the pipeline including designs from other bigname designers jet city is most definitely a name to watch.
Youd be missing out because this isa wellmade amp that has a lot of potential. Mar 03, 2012 the jet city custom eminance speaker sounds very good. Jet city 333 amplification logo black white color plastic 70 mm 2. Jet city 2112rc 20w combo all tube amp telecaster guitar. The jca 20h owners club and mod thread yes i do custom modsparts listsmod other amps, pm me for more infopricing.
Big, robust transformers, including a choke, create a surprisingly massive sound from the low wattage. Ive been wanting a low cost amp as a back up and also for. The slight differences in my opinion are probably attributed to the smaller iron and different power section on the jet city. It is a single channel amp with, gain, volume, reverb, bass, mids, and treble controls. Jet city amplification jca22h service manual pdf download. In no event shall the liability of jet city amplification exceed the invoiced. Features are pretty standard for a straight forward low wattage tube amp. I have a chance to get a good deal on a slightly used jet city jca20h with matching 1x12. The soldano hot rod has the magical slo circuit in it. Jet city uses audiograde metal film resistors and highquality copper for all internal connections as well. Jet city amplification jca20hv owners manual thank you for your support. Since we first encountered jet city amps, the usa brand has been steadily building up its business in the uk, and with good reason. The thread for jet city amps, pedals, and other gear.
Preamp gain, bass, middle, treble, master, presence, depth switch. Jet city was formed in 2009 by mike soldano and douglas white with the aim of providing quality, alltube amplifiers at an affordable price. It is a really nice piece of software, not entirely bug free, but still very nice to use. My schematic is arranged in somewhat unusual manner to ease comparing with the pictures and the earlier kh602 schematic version. The normal channel on this jet city amp head can range from clean tones to dirty rock riffs. Jet city amplification warrants the mechanical and electronic components of this product to be free of defects in material and workmanship for a period of one 1 year from the original date of purchase. Ac input adopting wide voltage design controls via voltage switch. Channel 1 has the touch sensitivity on the crunch side and i. The major differences that i noticed were that c21 cap from secondary 16 ohm tap to ground is entirely not even in there, c5 cap from v1. This mod will tighten up the dc voltage and will remove any type of inherent 60 cycle noise that maybe prevelant. Jet city 333 20w jca2112rc tube combo amp 1x12 reverb.
Jet city amplification custom jca22h 20w tube guitar amp head. In no event shall the liability of jet city amplification exceed the invoiced value of the warning. In the case in which other parts are used which constitutes an improvement, jet city amplification may, at its. Jet city amplification jca2112rc 20w tube guitar combo amp. Jetcity jca5212rc sch service manual download, schematics. It struggles to produces a clean sound and crackles too. Posted by agu on october 15, 2016 november 2, 2016. Its balanced for the most part across the lows, mids and highs. This tab will provide bias information, and when available, downloads such as jet city amp schematics and other worthwhile information. Folks, enjoy this shootout between the jet city jca100h. With the jca20hbes, jet city takes that concept a step furtherteaming with noted amplifier technician, builder and mod master dave.
Recently my jet city 333 combo valve amp has been quite buzzy and crackly. 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. Jet city picovalve amp mod by river city amps ebay now there is no excuse not to improve your jet citypicovalve amp. Jet city amplification jca20h 20w tube guitar amp head.
The jet city amplification custom 5 provides 5 watts pentode or 2 watts triode of power from your choice of either 6l6 or el34 power tubes. This aint an amp for players who like to program a bunch of different. 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. Jca20h with el84 triode pentode switch and schematic circuit diagram. Distributors and dealers are not agents of jet city amplification and have no authority to bind jet city amplification by any expressed or implied undertaking or representation. Jet city amplification picovalve 5w tube guitar amp head. Easyaccess speaker connectors on the rear panel allow jca2112rc to drive external cabinets either with or without the internal jet city eminence custom driver. Used jet city amplification jet city 50 333 tube guitar combo amp. You know who you are, youbought the thing because it is a great deal it just does not sound good stock.
A lot of thought was put into the choice of transformer too, which had to be low in cost while providing boutique tone. They also inform us that mike soldano has joined their team, and he certainly knows a lot about amp design and manufacture. Jet city jettenuator all about modern commercial stompbox circuits from electro harmonix over mxr, boss and ibanez into the nineties. The ibanez looks a bit more classy because of its cream tolex and green colour scheme. The following shows all of our local repair stores. Founded in 2009 in seattle, washington, thats exactly what jet city is all about. View and download jet city amplification jca20h owners manual online. Jet city amplification picovalve 5w tube guitar amp head reverb. The main functional difference here is the number of tubes driving the preamp stage and the front end of the head. The only other build of jet citys that i have had the pleasure of exploring is their custom 22, essentially the bigger, burlier brother of the custom 5. A legendary guitar hero asked if we could tweak his 20h to be just a little cleaner, and a little darker. The purpose of this thread is going to be for discussing mods to the jet city 20h, or any other topic pertaining to the jca model 20h. Since we first encountered jet city amps, the usa brand has been.
To reduce the risk of fire or electric shock, do not product. The precense gives you a bit of tone shaping ability. If youve ever heard or played a marsha or an amp dave has put his brown eye mod on, the jca20h sounds pretty damn close. Unleashing 50 watts from a pair of 6l6 power tubes and all the features of the jca100h, the jca50h 50w tube guitar amp head from jet city is ideal for gigging musicians who need plenty of stage volume with some nice power amp distortion. Here is the link to his topic with the schematic to his mods on page 3. Jet city amplification accepts no liabilities for any loss, which may be suffered by any person who relies wholly, are part upon any description, photograph or statement contained herein.
The friedman mods take the amp into the modded marshall camp. Jca2112rc is a combo of our jca20h and jca12s, with tubedriven reverb included. Lots of distortion in a lightweight 50watt amp head, great for taking out on the road. Actually, youre the 333rd person to ask this comes the tongueincheek reply. Channel 1 has the touch sensitivity on the crunch side and i can roll the guitar volume back for semi clean playing. Designed by andy marshall and licensed by thd electronics, jet citys picovalve amp head is a compact, lowwattage tone machine. The most redeeming feature about this amp, is the quality reverb it has. Jet city jca5212rc 50 watt valve combo guitar world.
The tone controls shape the sound of both channels and are interactive which means that each control will affect the others. Browse jet city amplification products and enjoy free shipping on thousands. Jet city 333 jca20h hsg mod high saturated gain with schematic circuit diagram. Jet city guitar amplifiers for electric guitar amplifier. Voiced by martin kidd for a distinctively british sound, the custom 22 brings 20 watts from a pair of el84 output tubes, and tones come from five 12ax7 preamp. Products are sold through authorized resellers only. Jca5212rc is an alloriginal soldano design for jet city amplification.
I like the colour scheme and the 333 jet city logo. Jet city amplification jca20h owners manual pdf download. I dont remember where but i seen a schematic for that somewhere. Save money on used jet city amplification gear at guitar center.
Both of my jet city amps will receive this mod along with a future depth mod as well parts need to be purchased. It also involves a tmobile dash cell phone, a pair of jeans, and a less than stellar dirty laundry organizational system. The amp is massive and much larger than the also 12 ibanez. We do not accept liability for typographical errors or inaccurate information of any kind. Offers include vat and are valid as long as stocks last. Michael j soldano founded soldano custom amplification in 1986 after years of notoriety as an amp modifier to the stars, and his flagship model, the slo100, has found its way into the quiver of players as diverse as eric clapton, mark knopfler, silverchairs daniel johns.
Long time member, very infrequent user, but glad to be back. The schematic was a way of changing a stock jet city 20w without needing to remove the board or any components. Jet city 2112rc 20w combo all tube amp telecaster guitar forum. It was modded by the great martin kidd from cornford and now victory amps. Soldanos crunch circuit is featured here again a preamp capable of a wide range of. The idea was you could very quickly do the mod, and return to stock if it wasnt for you. My jet city jca50h head blew a fuse out of the blue, and when i replaced the fuse, it blew the fuse again. Jca22h is a guitar power amplifier designed for guitarists rehearsals and concert.
Jet city amplification custom 5 5w2w tube guitar amp head. To get the gain i required i needed to remove some of. I cant see any ground connections at the schematic except for 16 ohm socket tn and all s. Will it sound close to a deluxe reverb if i put a swamp thang in it. Jet city likes this amp best with humbuckers, but well happily plug in anything. But first we added a depth switch and postmaster effects loop, and gave it a new. View and download jet city amplification jca22h service manual online. The amp is very well made, every bit as good as the ibanez.
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