The friedman mods take the amp into the modded marshall camp. Jet city amplification jca20h 20w tube guitar amp head. To reduce the risk of fire or electric shock, do not product. The story of jet city device repair begins in 2007, in the dark, with one very sleepy person stumbling out of bed in the morning to get ready for work. In no event shall the liability of jet city amplification exceed the invoiced. Jet city jca5212rc 50 watt valve combo guitar world. 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.
Jca20h with el84 triode pentode switch and schematic. It struggles to produces a clean sound and crackles too. Jet city 333 20w jca2112rc tube combo amp 1x12 reverb. Jet city likes this amp best with humbuckers, but well happily plug in anything. Jet city jettenuator all about modern commercial stompbox circuits from electro harmonix over mxr, boss and ibanez into the nineties. Soldanos crunch circuit is featured here again a preamp capable of a wide range of. In no event shall the liability of jet city amplification exceed the invoiced value of the warning. It is a really nice piece of software, not entirely bug free, but still very nice to use. The jca 20h owners club and mod thread yes i do custom modsparts listsmod other amps, pm me for more infopricing.
I dont remember where but i seen a schematic for that somewhere. Preamp gain, bass, middle, treble, master, presence, depth switch. It also involves a tmobile dash cell phone, a pair of jeans, and a less than stellar dirty laundry organizational system. Jca22h musical instrument amplifier pdf manual download.
Channel 1 has the touch sensitivity on the crunch side and i can roll the guitar volume back for semi clean playing. The most redeeming feature about this amp, is the quality reverb it has. This is good, as i got it for the delisle, which they usually pair with an eminance private jack. But first we added a depth switch and postmaster effects loop, and gave it a new. Easyaccess speaker connectors on the rear panel allow jca2112rc to drive external cabinets either with or without the internal jet city eminence custom driver. It was modded by the great martin kidd from cornford and now victory amps. They also inform us that mike soldano has joined their team, and he certainly knows a lot about amp design and manufacture. Ac input adopting wide voltage design controls via voltage switch. 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. Offers include vat and are valid as long as stocks last.
Designed by andy marshall and licensed by thd electronics, jet citys picovalve amp head is a compact, lowwattage tone machine. Big, robust transformers, including a choke, create a surprisingly massive sound from the low wattage. 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. Jca22h is a guitar power amplifier designed for guitarists rehearsals and concert. The company prides itself on high levels of build quality and reliable, costeffective components paired with mikes legendary knowledge of tone circuitry. Long time member, very infrequent user, but glad to be back. Ive been wanting a low cost amp as a back up and also for.
Jet city guitar amplifiers for electric guitar amplifier. Jet city amplification jca2112rc 20w tube guitar combo amp. Jet city amplification jca20hv owners manual thank you for your support. Occasionally it will squeal very highpitched noises. Jet city 2112rc 20w combo all tube amp telecaster guitar. Jet city amplification picovalve 5w tube guitar amp head reverb. Jca2112rc is a combo of our jca20h and jca12s, with tubedriven reverb included.
Since we first encountered jet city amps, the usa brand has been steadily building up its business in the uk, and with good reason. Youd be missing out because this isa wellmade amp that has a lot of potential. 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. Will it sound close to a deluxe reverb if i put a swamp thang in it. 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. Used jet city amplification jet city 50 333 tube guitar combo amp. 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. The slight differences in my opinion are probably attributed to the smaller iron and different power section on the jet city.
A legendary guitar hero asked if we could tweak his 20h to be just a little cleaner, and a little darker. Jet city amplification jca22h service manual pdf download. A lot of thought was put into the choice of transformer too, which had to be low in cost while providing boutique tone. The soldano hot rod has the magical slo circuit in it. 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. View and download jet city amplification jca22h service manual online. Jet city amplification jca20h owners manual pdf download. Jet city 333 amplification logo black white color plastic 70 mm 2. The company prides itself on high levels of build quality and reliable, costeffective components paired with mikes legendary knowledge of tone circuitry and experience. Channel 1 has the touch sensitivity on the crunch side and i. Jca20h with el84 triode pentode switch and schematic circuit diagram. My jet city jca50h head blew a fuse out of the blue, and when i replaced the fuse, it blew the fuse again. 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. 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.
With the jca20hbes, jet city takes that concept a step furtherteaming with noted amplifier technician, builder and mod master dave. My schematic is arranged in somewhat unusual manner to ease comparing with the pictures and the earlier kh602 schematic version. Founded in 2009 in seattle, washington, thats exactly what jet city is all about. 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. Jet city amplification jca50h 50w tube guitar amp head. Its balanced for the most part across the lows, mids and highs. The puretube preamp includes gain, full eq, and bright, mid, and bass boosts. 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. Jetcity jca20h sch service manual download, schematics. 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. 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. Jet city uses audiograde metal film resistors and highquality copper for all internal connections as well. Folks, enjoy this shootout between the jet city jca100h.
The following shows all of our local repair stores. It is a single channel amp with, gain, volume, reverb, bass, mids, and treble controls. Jca5212rc is an alloriginal soldano design for jet city amplification. This tab will provide bias information, and when available, downloads such as jet city amp schematics and other worthwhile information. Ive had it for 2 years, but since the start of the month it hasnt been performing as well. The idea was you could very quickly do the mod, and return to stock if it wasnt for you.
Jet city 333 jca20h hsg mod high saturated gain with schematic circuit diagram. Jan 30, 2012 jca20h with el84 triode pentode switch and schematic circuit diagram. The ibanez looks a bit more classy because of its cream tolex and green colour scheme. You know who you are, youbought the thing because it is a great deal it just does not sound good stock. Big, robust transformers, including a choke, create a. Both of my jet city amps will receive this mod along with a future depth mod as well parts need to be purchased.
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. It also has an internal frequency sweep generator and a scope. Recently my jet city 333 combo valve amp has been quite buzzy and crackly. Jet city amplification custom 5 5w2w tube guitar amp head. 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. I have a chance to get a good deal on a slightly used jet city jca20h with matching 1x12. To get the gain i required i needed to remove some of. Jet city 333 jca20h hsg mod high saturated gain with. 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. I like the colour scheme and the 333 jet city logo. The jet city custom eminance speaker sounds very good. Products are sold through authorized resellers only.
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. Jet city picovalve amp mod by river city amps ebay now there is no excuse not to improve your jet citypicovalve amp. Jetcity jca5212rc sch service manual download, schematics. The main functional difference here is the number of tubes driving the preamp stage and the front end of the head. Features are pretty standard for a straight forward low wattage tube amp. We do not accept liability for typographical errors or inaccurate information of any kind. The schematic was a way of changing a stock jet city 20w without needing to remove the board or any components. Browse jet city amplification products and enjoy free shipping on thousands. Posted by agu on october 15, 2016 november 2, 2016. Save money on used jet city amplification gear at guitar center.
Your jca20hv was designed by the worldrenowned tube amp designer mike soldano, in. Its a great time to upgrade your home music studio gear with the largest selection at. Lots of distortion in a lightweight 50watt amp head, great for taking out on the road. You can bring your broken device into any of these locations and well get it fixed quickly and at a great price. The tolex looks good as does the coarse speaker cloth mesh. Jet city 2112rc 20w combo all tube amp telecaster guitar forum. Since we first encountered jet city amps, the usa brand has been.
Actually, youre the 333rd person to ask this comes the tongueincheek reply. In the case in which other parts are used which constitutes an improvement, jet city amplification may, at its. Jet city amplification custom jca22h 20w tube guitar amp head. I cant see any ground connections at the schematic except for 16 ohm socket tn and all s. It is not new but it is in fact an all modded jetcity20. The amp is massive and much larger than the also 12 ibanez.
Jet city amplification picovalve 5w tube guitar amp head. 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. View and download jet city amplification jca20h owners manual online. The amp is very well made, every bit as good as the ibanez. The precense gives you a bit of tone shaping ability.
The normal channel on this jet city amp head can range from clean tones to dirty rock riffs. 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. We liked the way it sounded so much, we decided to put it into production. 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. This aint an amp for players who like to program a bunch of different. 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. The thread for jet city amps, pedals, and other gear. Mar 03, 2012 the jet city custom eminance speaker sounds very good. The amps spec, build quality and tone belie its humble price, which all adds up to an auspicious beginning for the brand. This mod will tighten up the dc voltage and will remove any type of inherent 60 cycle noise that maybe prevelant. 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. Here is the link to his topic with the schematic to his mods on page 3.
With other models in the pipeline including designs from other bigname designers jet city is most definitely a name to watch. Jet city was formed in 2009 by mike soldano and douglas white with the aim of providing quality, alltube amplifiers at an affordable price. The tone controls shape the sound of both channels and are interactive which means that each control will affect the others. Perusing the interwebs, there have been suggestions that my power tubes might be on the.
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