Univox u 1235 schematic software

I dont want to damage anything so any help would be appreciated. Free univox schematic diagrams free univox schematics, univox schematic. Videos pertaining to the philadelphia pop music group univox. The old ceramic sockets where cracked in several places, it needed a new power cord and a fresh set of tubes. May 12, 2007 20140302 a quick demo of a univox ec80a echo chamber i recently serviced at alchemy audio. Im also thinking, perhaps univox had an exact same amp branded differently with the same schematic. Rebuilt the power supply, replaced the old leaky oil and paper coupling caps, added a bias adjustment pot, installed screen and control grid stoppers, a 14 speaker jack, and replaced both power tube sockets. So far all of my web searches have been for naught. So as a reference, i chose a schematic for another model with the same basic specs, the 2channel 1010. Hes looking for a schematic or even another one to buy, and he isnt very adept at finding things online. Univox sr95 minipops rhythm unit service manual contents. This amp may be solid state but you would never know. I had the univox head 60w and the 8x10in cab when i was like 22 years old in 1974.

The amp was 100% original, untouched tubes replaced. Univox u320apb this amp is very similar to the u305r, but with 7591 output tubes. This amp recently came in for some tubes and repair work. I like to think that my lp copy is a univox, as well, but its completely unbranded and univox usually branded their goods. Nad univox u 155r discussion in amp central station started by coop47, may 3, 2014.

Schematics for univox u amplifier schematic, univox amp model u. This is actually a bass amp but is probably better suited as a guitar amp today. In the early 1960s the unicord corporation, a manufacturer of electronic transformers purchased the amplifier corporation of america of westbury, new york. The system includes an induction loop amplifier, a microphone and a loop. Univox autoloop is a fully automatic loop amplifier for wireless listening through your hearing instrument. The reverb tank in this amp is like that blanket that you had growing up. Westbury custom pickups 12kb this is the real schematic for how the westbury custom and super custom were wired with the 6position varitone. Univox u 48b made in 1967, also marketed by lafayette in baltimore. This is the real schematic for how the westbury custom and super custom were wired with the 6.

Anyone work on one of these or other similar japanesemade amps. My guess is this will be almost identical to your model. These were made in japan and featured a circuit board with the words muscal amplifier printed on it see the picture. I play the head though a old 1968 traynor cab with 4 x 10in. Sls5 are substantially smaller and lighter than its predecessors. User manuals, univox amplifier operating guides and service manuals. Excellent this product is in like new condition and shows little to no signs of use. Building lots of pedals and troubleshooting them when they dont work the first time has helped. Mar 11, 20 although this 1040 model exists, apparently its schematic does notat least online. I dont know what cab to plug it into im assuming an 8 ohm cab or a 4 ohm cab.

That schematic shows a duet of 6967 outputtubes, and diodes used as a hardwired, internal solidstate rectifier. I just picked up this vintage univox amp and there are a lot of cut wires. Explore the latest synths, software, bestsellers and moreshop now all things. Unfollow univox guitars to stop getting updates on your ebay feed. Prowess amplifiers offers resources for the guitar tube amplifier builder. I wonder just what that tube rectifier is showing in that pic. These amps were marketed as 100 watt bass amps but realistically put out about 50 watts rms and 100 watts peak. Big display clock with alarm by extra loud ring, ultrabright light signal and vibration pad.

If the tone is all the way down and the volume is cranked, it has a good crunch but does not distort very heavily. Circuit design is point to point wiring, schematic most similar to u255, about 20 30w. Univox pls6 is is the first in the pls class d tech loop drive series. Get the best deal for univox from the largest online selection at. If you replace the echo delay potentiometer from the stock 5k ohm to an 500k ohm you can get a much longer delay out of the unit and still have the short slap delay like the 5k ohm provides.

Vintage univox amps electric guitars harmony central. Not a powerhouse but in the studio could bring a unique clean sound or clean slate for pedals. Amp sounds really healthyexcellent, but the tremolo is not working at all. We have a huge schematics inventory, projects section and forum. Univox et al mersonunicord vintage guitar magazine. The one that was just right and warmed you up when you need it. It can get so warm and fuzzy that you would be hard pressed not to cuddle up right next to it. Free univox diagrams, schematics, service manuals schematics. The one next to it is 50 microfarad 150 volt capacitor, the third one is a 20 microfarad 350 volt capacitor and the last is a 10 microfarad 350 volt capacitor. T is an online univox website that has a scan of the 1968 univox catalog.

I recently checked out a univox b series amp that was just killer. Most univox tube amps were based on fender or marshall designs. Not sure what about the caps, but all resistors are like in wattson ie 1k8 on output, 100k on r37. Univox univox drum machine pedal, drum machine pedal. Also joining the univox amp line in 71 illustrated in a 72 flyer was the univox u4100 minimax amplifier, already showing a different style, with dark tolex covering but still the oval logo plate on the upper left of the grille, now covered in black with vertical dotted lines surrounded by a white vinyl strip. Univox ctc cross the counter is a complete induction loop system for installation in receptions, information desks, supermarket cashiers and ticket booths. Univox was a musical instrument brand of unicord corporation from the early 1960s, when they purchased the amplifier corporation of america of westbury. It has what appears to be the exact same amp identified as a model u235 pb. These limits are designed to provide reasonable protection. Univox u305r great sounding amp with biasmodulated tremolo and 6973 output tubes. Lafayetteunivox 1235 1960s black w1x15 bass amp jensen. Assorted amps there are all new and i havent had a chance to add them to this page, but i wanted to make it available to everyone.

I think that might be the guitar version, but i dont know the model. Added 3prong power cord, rebuilt power supply, new coupling caps the old paperinoil caps all leaked dc. Story anybody who has played a good example of the original univox will appreciate how resonant and light they were, and straight up rock n roll machines with more than a dash of punk thrown in our reissue totally captures this, and, dare we say it, even goes beyond the original. Theres a bass amp called the 1235 thats similar to that. Up for bid a circa 19611965 univox u 42 guitar amplifier. Univox super fuzz readyfortransfer to printed circuit board for use only if you are a complete diy person who wants to etch and drill your own pcb. Vintage univox 1960s u50 tube pa tube guitar amp head. When installed, the system grants hearing aid users to communicate with the staff with a high perception of speech. U 42 cabinet resembles supro style black sparkle vinyl with two piping. Maybe some simple untried mods to make the univox delay longer. Its a great time to upgrade your home music studio gear with the largest selection at. Univox pls100 er utrustet med en innebygd nettsikring av typen ptc. Make offer vintage 1968 univox u 320 pb 60 watt tube half stack guitar amplifier mint.

Univox sls1 is intended for small rooms with no or moderate metal attenuation. The ec80a has a very short delay time by comparison to its other tape delay rivals. In instances where sls3 works well but with unnecessary headroom, we can now offer a better fit at a very attractive price. I traded the cab for a acoustic 201 cab with the 2 15in altecs and horn like the doors used. I dont know about any equivalents, but i think that you can buy new production 6967s, as well as n. Second is a recent acquisition, looks like a 1235, but is has a pretty serious hum at all volume levels, so it is sitting patiently awaiting a fresh set of electrolytics and a grounded power cord. Forums and discussion of recording, guitar, bass, keyboard. This listing reflects our current inventory and is updated daily, so if a part is shown with a buy button, we should have it in stock. Tube amplifiers home schematics univox schematics univox u45 univox u45. Hey all, i was curious as to how many of you are familiar with the univox amps. It was rated at 50w but sounded more like about 30w at best. Rightclick to save the file or leftclick to open from your browser.

The professional induction loop series is capable of driving perimeter, figure 8 and multi loop systems for area coverage up to 1800m these products are used in a wide range of applications such as small, medium and large meeting rooms, conference suites and places of worship, theatres, etc. The tube lineup is two 6l6 power tubes and three 12au7 tubes. The tone control reduces the gain as you turn it to treble, which keeps it from getting fizzy or harsh. Otherwise, we recommend you ignore this pcb mask and buy the readytosolder printed circuit board or complete kit. Univox u302 all tube amp with tremolo and 1 15 speaker. If youre looking for the real deal in guitar amps from the sixties this is it. It was pretty obviously made by univox, since they didnt do anything to change it from the equivalent univox except make the logo read lafayette in the same font. Still, plenty of tubey goodness at reasonable volumes and they sound just as good on guitar as they do on bass. Univox u 302 all tube amp with tremolo and 1 15 speaker. Save univox head to get email alerts and updates on your ebay feed. They began marketing a line of amplifiers under the name of univox. This univox is designed for bass butthen so is a 4x10 fender bassman. Eastwood univox hiflier electric guitar eastwood guitars.

This vintage amp sounds sweet and clear it starts to bre. U 45b univox vintage amp original jenson speaker early tube amplifier 38. Introduction we thank you for having chosen a univox product and hope that you will be satisfied. This vintage amp sounds sweet and clear it starts to break up very fast not at the end of the curve, but well before you hit 50% on the volume knob. Here we have a working vintage univox u 45b tube amplifier that appears to be from the companys early days in 1960s ser. Hoping to find a univox rickenbacker bass clonecopy to play through the bass head. From online research i found there are different variations. This amp is very similar to the u305r, but with 7591 output tubes.

This project is from the geofex site, with a link to a schematic file there. Hey i just recently purchased a univox u 1235 head and i was wondering what the impedance of it was. Click the link above for tube amp info, schematics, board building information, projects, mods, transformer diagrams, photos, sound clips. Univox diagrams, schematics and service manuals download for free. It doesnt have the u305rs great tremolo circuit but the reverb is a little nicer due to its larger tank. It was the funky blue head with the stacked 2x12 matching cab. Regular wear and scratches on the face from use but still a solid amp. So, youve got, in the u45b, a fine jensen 12 speaker that fits tightly and without rattle against some nice solid wood. Circuit design is point to point wiring, schematic most similar to u255, about 2030w. All used electronic parts are tested and guaranteed working.

An item in the search has a peace by a fella who had just bought what appears to be the u 235 pb, listed in the catalogue. I did a lot of electronics in the air force, but after that i didnt mess with anything for nearly 10 years, so im pretty rusty with following a schematic, but im getting better at it. Connect your tv, stereo, mp3, microphone or any other audio source with a 3. Some older man in his 70s is looking to fix his amp from the 60s when he was a teenager. Save univox guitar amp to get email alerts and updates on your ebay feed. Years ago i got a univox u65rn amplifier thrown in along with a guitar i bought. In the univox u1236 i have there are 4 electrolytics. It is suitable for a wide range of loop configurations, single and 2turn perimeter loops and multiloops, enabling flexibility in. Univox u320apb hunt amplification guitar amp repair. Connecting audio sources if this is the case with your tv, use univox. The late univibes single rubber version had c17s polarity orientation the same way like the early univibes had it too, but most clone builders follow the 915 factory schematic, the rg schematic or the turretboard layout which they got it wrong for c17s polarity orientation. Univox u48b made in 1967, also marketed by lafayette in baltimore.