Univox u 305r schematic software

Univox cls1 amplifier with loop of wire product code. With its reversed offset body, the hiflier has an intentional resemblance to the mosrite ventures guitar. At the time it was purchased as new old stock from a dealer in central. Univox also distributed guitars by matsumoku, effects units by shinei companion, and synthesizers by crumar and korg. Hes looking for a schematic or even another one to buy, and he isnt very adept at finding things online. Earlier this year, i bought this 6769 univox u305r. Tube compliment is 26973 power tubes eh has recently started making these again and ill include a spare matched pair 212ax7 and 112at7. Interesting 1965 usa made univox model u305r guitar amp with two 6973s as a power section and a 6ca4 rectifier with one 15 inch jensen c15ps 220534. Univox u48b made in 1967, also marketed by lafayette in baltimore. So, youve got, in the u45b, a fine jensen 12 speaker that fits tightly and without rattle against some nice solid wood. Hey i just recently purchased a univox u 1235 head and i was wondering what the impedance of it was. The closest is a univox u 152 though it has neither tremolo or reverb. Need schematic for univox u202r music electronics forum.

Hoping to find a univox rickenbacker bass clonecopy to play through the bass head. I dont think old univox s are collectible are they. You can buy accessories making it possible to use your univox dls50 in even more ways. Univoxaudio is the exclusive distributor in the uk and ireland of the world leading univox brand of hearing induction loop amplifiers. I would like to draw some circuits, no simulation, but drawing inkl. This is actually a bass amp but is probably better suited as a guitar amp today.

Loop amplifiers univoxaudio is the exclusive distributor in the uk and ireland of the world leading univox brand of hearing induction loop amplifiers. Rightclick to save the file or leftclick to open from your browser. Cosmetically, there are some minor scuffs and scratches in the tolex, but for its age, it is in immaculate shape. This amp recently came in for some tubes and repair work. The ec80a has a very short delay time by comparison to its other tape delay rivals. The small size together with new automation functions makes it easy to use. Save univox head to get email alerts and updates on your ebay feed. When you buy products through links across our site, we may earn an affiliate commission. Hey guys, i bought this old univox u 305r 1x15 amp. A group devoted to people who own, play and love univox guitars, basses and other instruments. Zee workshop, custom musical instruments, recording equipment, tube amplifiers, studio accessories, test equipment, diy do it yourself projects, vintage instruments and equipment restoration. If youre looking for the real deal in guitar amps from the sixties this is it. Then, upon further research, i came across the univox 1968 catalogue.

Diy layout creator diylc in short is freeware drawing tool developed with. The other thing with these is i imagine either 1 the schematics are widely available. Mar 11, 20 although this 1040 model exists, apparently its schematic does notat least online. Tube amp theater univox lafayette guitar amplifier u320 how to fix. Its be recapped recently and it functions perfectly.

Univox pls700 is designed for loop installations in environments where reinforcement or other metal structures require an extra powerful loop driver. Connect your tv, stereo, mp3, microphone or any other audio source with. From online research i found there are different variations. We created several and we have redrawn some schematics that were already available on the internet for readability or ease of use these needed an easiertoread format, corrections or part identifiers. U 42 cabinet resembles supro style black sparkle vinyl with two piping. Univox cls1 amplifier with loop of wire oaktree products. In instances where sls3 works well but with unnecessary headroom, we can now offer a better fit at a very attractive price. It should be a good exercise to check the schematic and see whatbis what between the circuit and the foot controler, to make the proper connections between whats out of the midi and the controler. Univox u 48b made in 1967, also marketed by lafayette in baltimore. Univox u302 all tube amp with tremolo and 1 15 speaker. Univox sr95 minipops rhythm unit service manual contents. Circuit design is point to point wiring, schematic most similar to u255, about 20 30w. The nut on the tremolo knob had become loose so the knobpot would just spin around forever, eventually ripping the leads from the potentiometer to the pcb out.

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. Univox u320apb hunt amplification guitar amp repair. For example you can connect univox dls50 to the 12vcigarette lighter output in your. 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. Unitrend has gained the iso 9001 quality verification certificate from lrqa in 1998, and obtained wellknown certifications including european ce, american ul, chinese cmc, etc. 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 univox drum machine pedal, drum machine pedal. Univox u 302 all tube amp with tremolo and 1 15 speaker. Tube amplifiers home schematics univox schematics univox u45 univox u45. I have this u65g amp that has dc approx 4v on the speaker leads when the speaker is disconnected and. Connecting audio sources if this is the case with your tv, use univox. It has virtually has not been taken out of the house since the owner of it purchased it in approximately 1978. That schematic shows a duet of 6967 outputtubes, and diodes used as a hardwired, internal solidstate rectifier.

Great sounding amp with biasmodulated tremolo and 6973 output tubes. This amp is very similar to the u305r, but with 7591 output tubes. 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. This is an awesome page about guitar amp history at. Up for bid a circa 19611965 univox u 42 guitar amplifier. Building lots of pedals and troubleshooting them when they dont work the first time has helped. Here is a list of the schematics that are exclusive to this site. Unitrend unit voltage meter, multimeter, oscilloscope. Univox u305r great sounding amp with biasmodulated tremolo and 6973 output tubes. 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.

Not a powerhouse but in the studio could bring a unique clean sound or clean slate for pedals. My guess is this will be almost identical to your model. Univox sls1 is intended for small rooms with no or moderate metal attenuation. It doesnt have the u305rs great tremolo circuit but the reverb is a little nicer due to its larger tank. Curious what products you all use for creating schematics and layoutwiring diagrams. This is the real schematic for how the westbury custom and super custom were wired with the 6. Maybe some simple untried mods to make the univox delay longer. I like to think that my lp copy is a univox, as well, but its completely unbranded and univox. They also seem to have made it with both 6973 output tubes and 7591. Share download univox univox stage750b service manual, repair schemat. 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. 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. So far all of my web searches have been for naught.

There are some rare birds out there that are worth keeping an eye open for, but the one you see most often, among the lowpriced, great sounding univox tube amps, is the u45b model. The old ceramic sockets where cracked in several places, it needed a new power cord and a fresh set of tubes. The layout for the foot controler had a mistake and it took le 2 days to spot it, but thanks, the schematic. Another is a u 305r, which has trem and verb but power trans have higher.

Univox was a musical instrument brand of unicord corporation from the early 1960s, when they purchased the amplifier corporation of america of westbury, new york and began to market a line of guitar amplifiers. Hard to come by any real info on it but i have found a couple similar schemati. You are looking at a used unique unidrive by univox. This vintage amp sounds sweet and clear it starts to bre.

These limits are designed to provide reasonable protection. Pls700 delivers 25amps 65app output current at 47vpp, to provide iec 601184 compliant field strength and. The closest is a univox u152 though it has neither tremolo or reverb. This project is from the geofex site, with a link to a schematic file there. Prowess amplifiers offers resources for the guitar tube amplifier builder.

Click the link above for tube amp info, schematics, board building information, projects, mods, transformer diagrams, photos, sound clips. Cls1 is developed for maximum power, versatility and ease of use and is equipped with univox automatic gain control dual action agc for a smooth sound experience. Tube amp theater univox lafayette guitar amplifier u320. Volume, tone and tremolo are the knobs and thats it. I wonder just what that tube rectifier is showing in that pic. Univox u305r schematic gearslutz is partsupported by our visitors. The tolex was easy, i scrubbed it with a mild brush and softsoap, then coated in in petroleum jelly for 2 weeks. I dont know about any equivalents, but i think that you can buy new production 6967s, as well as n. Im also thinking, perhaps univox had an exact same amp branded differently with the same schematic. They made this amp in two configurations short and tall. Univox et al mersonunicord vintage guitar magazine.

I just picked up this vintage univox amp and there are a lot of cut wires. This has an exceptional tremolo and a very nice long tank reverb. So as a reference, i chose a schematic for another model with the same basic specs, the 2channel 1010. Would it make a good platform for a custom amp or home build. You can still find a bunch of layouts online drawn with this version of the software. The reverb, like an ampeg, is resistorcapacitorcoupled not transformer fendergibson or speaker several guild models coupled. I am in process of restoring a cool old univox 202r, w6973 power tubes. Added 3prong power cord, rebuilt power supply, new coupling caps the old paperinoil caps all leaked dc. Univox diagrams, schematics and service manuals download for free. Introduction we thank you for having chosen a univox product and hope that you will be satisfied. Westbury custom pickups 12kb this is the real schematic for how the westbury custom and super custom were wired with the 6position varitone. I have a u255r also 6973s, but a very different amp and a rebranded u101 and i love them.

We have a huge schematics inventory, projects section and forum. Univox 1221 service manual, repair schematics, online download language. A quick resolder after finding the schematic and this old girl was ready to rip again, with tremolo. Another is a u 305r, which has trem and verb but power trans have higher voltages. Since univox guitars were primarily made by aria, it is probable that in late 74 or 75, univox guitars also had these features, although the gimme shown in a 1976 flyer still has the rounded fingerboard, and this was in a 1980 binder, so you cant be too rigid in evaluating univox guitars based on these details. The univox hiflier is an electric guitar marketed and sold by univox later unicord from roughly 1967 to 1977. 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.

It has 10 tubes, a solidstate power supply, reverb, tremolo, presence, and a 105watt rms output. Sls5 are substantially smaller and lighter than its predecessors. Connect your tv, stereo, mp3, microphone or any other audio source with a 3. Univox u1220 dual 6l6gc reverb tremelo tube amplifier guitar amp w cabinet. In 1985, unicord corporation was purchased by korg, and the univox. Heres a discussion and demo of a 1967 univox u305r. Ive been drawing by hand and am looking to get into the 21st century. Some older man in his 70s is looking to fix his amp from the 60s when he was a teenager. I have a u 255r also 6973s, but a very different amp and a rebranded u 101 and i love them.

Free univox diagrams, schematics, service manuals schematics. Circuit design is point to point wiring, schematic most similar to u255, about 2030w. B thank you but if i were interested in a 20 watt solid state amp i could buy any number of them much cheaper than this one off of craiglist and have the advantage of. 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. 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. May 29, 2016 they even put the isolating washers on the 14. User manuals, univox amplifier operating guides and service manuals. The product range is extensive covering applications from in home and personal use to professional large area systems, counter systems and system for transport. The univox dls50 box contains loop amplifier and switched power supply as well as the chosen loop solution see pictures at first page. Univox u320apb this amp is very similar to the u305r, but with 7591 output tubes. Flexibility and user friendliness together with high quality are priority features. Univox cls1 is a compact yet powerful loop amplifier for wireless listening through your hearing aid. Fully automatic loop amplifier for tvmusicmicrophone. The univox is a vintage amp that is purported to be deluxe reverbish.