We have a vast range of experience and practical skills to help you to get the most out of your guitars and equipment. 3 Channels – Red channel with its own Drive, tone controls and Volume and a Blue channel with either Clean or Dirty with shared tone controls and Volumes for Clean and Dirty. A German immigrant to the USA in 1953, Rossmeisl had trained as a luthiere in Mittenwald, Germany. Assuming the dimensions and pickup positions weren’t changing a lot out of the factory then the intonation on most of these guitars must be way off. The bridge is made of very dark rosewood. Get contact details videos photos opening times and map directions. These parts are designed to fit a genuine Bigsby and neither are a direct retro fit in the Epiphone licensed version of the Bigsby. Date – 21/01/16. “Great! The low E string looks as though it was never suitable for this bass because there is no taper, the string at full diameter is fitted through the tuner (which has been drilled out). Behind a small fruit garden in North London, two men handcraft guitars. Kala U-Bass • Aquila ShortBass-One • Ortega D-Walker. I eventually settled for the Vibromate which seems to work OK without shifting and altering the tuning. The Liverpool Guitar Repair Centre is your one stop shop for guitar repairs. Guitar is generally a little dirty and the finish looks very dull. The PCB mount pins on these are rather flexible and the PCB mount part moves around by a worrying amount. The strings are completely dead and don’t appear to be a set that would correctly fit this bass. All the drive and volume controls including the Return level crackled when rotated and if the amp was switched to the Blue channel, with Drive selected, the Drive control turned up and the Drive Volume and Master Volume turned up, it went into internal feedback. Guild Guitars. Description – Bradley amplifiers are an early example of a hybrid valve / solid state design. The light weight also helps with comfort. At London Guitars we feel that our customers deserve a relaxed, no-pressure environment. Also a large hand scrawled T. Neck – A one piece, 25.5 inch scale, 7.25 inch radius, flame maple neck (some birdseye) with a bound, light reddish-brown rosewood board and MOTO block inlays. Truss rod (4mm hex hey) adjusts at the nut, 3 screw access under an E branded cover plate. The screw in vibrato arm is stainless steel with a white tip and obviously not the original. The ecologically friendly way to boost your guitar’s output. The fret surface is 7.25 inch radius with 21 thin ‘vintage’ frets, a soft V profile, narrow 41mm nut width to 55mm at the last fret. All rights reserved. Wire and fuses from Maplin (R.I.P.) I am happy to give your guitar a complete check… It’s good. The two bridge posts, which have a small slot in the top for height adjustment with a flat screwdriver, are M4 metric thread and they screw in to 12mm diameter metal inserts in the top of the guitar that seem to be set into the bracing. Electric, acoustic, classical and bass guitars all welcome. They keep the original aesthetic, but add ‘upgrades’ or changes to make the guitars more player friendly. Rotosound print the scale on the string packets in small print. Problems – Produces a horrible noise (hum) when the Echo push button (middle button of three) is depressed. The sprung back is then hooked over the pin at one end and pushed down until it clips around the outside of the worm. Run by Andy Eales and Andrew Scrimshaw (both ex. Similarly, isopropyl alcohol followed by a spot of light oil freed up all the controls. Zener regulated, from power amp 40V through R106 100 ohm – blue wire, Pin 5 – Red ch / Blue ch switch – green wire, Pin 6 – Drive / Clean switch – white wire, Airlink colour code – Sec1 start Orange finish Yellow, Sec 2 start Black finish Red, Brown Live 240V in White from power switch, Blue Neutral 240V in Black from IEC neutral, Black 33V Orange connector 81 pin 3  Power amp, Red & Orange C.T. Portobello Music specialises in the repair and overhaul electric/acoustic guitars and string-family instruments. Unfortunately the guitar is missing the floating pickguard with the Epiphone E metal logo and these pickguards are hard to find and expensive to replace. The floating wooden bridge has a base and upper section mounted on two height adjustment thumb wheels, which as delivered, are screwed all the way down. Welcome to Tim Marten Guitar Repairs based in Charing Cross Road, London. The neck pickup had dropped out again. These connections were rewired directly to the power transformers. I used a standard 43mm wide nut with a 35mm string spacing and filed the ends down to match the narrow 40mm wide neck. Located in London Ontario Two ¼ inch mono jack sockets for input 1 and 2. There are 3 dual triode valves (12AX7A) plus various op-amps in the pre-amp and the solid state 100W output stage uses a pair of complementary power MOSFETs (output transistors Exicon 10P20, 10N20 – £11.80 a pair on ebay). Tone cap – 0.022uf Orange Drop. It appears there are six rod magnet mounted in threaded cylinders which appear at the top of the pickup as six small slot head screw poles. Pins numbered clockwise looking up at the base of the valve. This means the guitar now has the standard Fender string spacing at the nut, along with the narrow string spacing at the bridge. Epiphone licensed Bigsby B700 model trapeze vibrato tailpiece. Each one of our handmade acoustic guitars is made with at least 120 hours of hand tooling and inspection. Although there is no sign the wiring has been modified, the control reversal, if it is not original, could be the result of a re-wire. In this amp the heaters are run off a regulated 12V DC feed and the heaters centre tap on pin 9 is not connected. Clockwise turns on the screw reduces tension on the leaf spring, the chromed bar string anchor tilts forwards and the notes flatten. 5 – Live 240V AC mains input !!!!! We’ve gained an excellent reputation for our work! The Coronado has a completely floating bridge that balances on two needle point bearing screws that sit in chrome plated, cast zinc pucks. A further 6 way connector CON80 on the power amp board connects the output of the pre-amp to the input of the power amp and feeds plus and minus, zener regulated supplies, for the pre-amp ICs (blue and red wires) derivedfrom the power amp 32-0-32 V supplies. Continuity testing shows all the secondary windings are shorted together. Work done –  Fitted a Goldo Tune-o-Matic bridge with roller saddles with added M3 bridge locking grub screws. Metal insert witch hat knobs (reflector knobs). If the work you require is not listed please contact us for an personal quotation. Pots – Japanese, Vol 308.2K, tone 314.5K, tone 307.3K, all 20% law. Pedals. As a result excessive turning force applied to the knob had caused the knob to loosen and spin on the shaft. The sixth tuner for the low E does not have a lug bevel, so the tuners must be fitted in the order of – 5 bevelled and the sixth without the bevel. The Richmond Guitar Workshop is a reputable and professional guitar workshop, based in Richmond, London. Two bent metal string trees with a spacer. There is a £25 minimum charge for guitar repairs. The specifications for the current Casino on the Epiphone web site give a neck width of 1.68 inches. Heads cleaned with isopropyl alcohol. 14V AC – via a diode bridge rec. The treble side bridge post is screwed much further into the guitars top than the post on the bass side. Copyright reserved, Terry Relph-Knight. Restringing, action, truss rod, intonation, electronics and more. Cheap Japanese output jack replaced with a Switchcraft, fitted with a screened cable. Mains T2A slo-blo fuse is blown. The chrome pickup surrounds have a point on one side and although these were usually fitted with the point down towards the tailpiece, some Coronado’s have them the other way up. These cylinders are graduated in three diameters – small, medium, large – to follow the fretboard radius – so small, medium, large, large, medium, small. Your one-stop-shop for all things musical including quality guitar repair and music lessons! London Guitar Repairs is the place for repairs, setups and modifications to your guitar & stringed instruments including re-strings, setups, re-frets, refinishing, neck resets, vintage restoration, relic-ing, blasting, cracked tops, broken or loose acoustic guitar braces, pickup installation, custom electronics, bone nuts and saddles, binding and major reconstruction. and DC regulator to valve heaters, F2 – T2A L250V …. Pin 3 – + 15V (?) The string roller and the arm now swing with very low friction. 32 – 0 – 32 V AC @ 2A (128VA so buy a 150VA) for the MOSFET power amplifier – orange – black – orange, 14V AC @ 0.7A (9.8VA so 10VA) for the 12AX7 pre-amp valve series heaters (pins 4 & 5) pair of white wires, 250V @ 75mA (18.75VA so 20VA) for the valve HT – pair of yellow wires, CON81 (on power amp PCB) Numbered left to right on pin side, 3 – 32 V AC goes to F81 T2AL250V NOT blown. We are also the top recommended company for repairs and re-frets on session great Hugh Burns guitars. With both buttons down the foot switch is defeated and the amp is switched to red channel and the blue channel, although not selected, is switched to drive (red and orange LEDs on). We will stand behind every repair we do, 100%. The Hofner HCT-500 1-SB Contemporary Violin Bass Sunburst may be had for £499 inc VAT. No power indicator light. Measure clearance from the bottom of the string to the top of the pickup pole piece. We also service and repair amplifiers, keyboards, pedals and other electronics. ‘Genuine Hofner Original Made in Germany’ is stamped on the back of the headstock. A three screw cover allows access to the truss rod. Injected contact cleaner into all the pots to fix crackles. A small grub screw at the bottom of the tailpiece allows adjustment for the spring tension. 12 inch radius rosewood fretboard with off-white plastic dots and 22 medium jumbo frets. Removed the inner circlip from the string roller to stop it binding against the bearing housing. The tension roller can perhaps be made to fit with suitable 3/8 to 3/16 reduction bushings. I am not currently taking any more repair work or set ups for the foreseeable future. Controls –  Motor only on / off toggle switch, incandescent 6.5V indicator lamp, Swell control with anticlockwise on/off mains switch for the entire unit, Reverb control, Gain 1 control (input 1), Gain 2 control (input 2). Truss rod nut  removed, lubricated and replaced. Guitar Repairs London – Acoustic and Electric Instruments, Guitar Setup London – While-You Wait & Next-Day Repairs, To find out more about my guitar repair and maintenance services or to book a free consultation simply call 07957230354 or email Terry @. © London Guitar Academy. Input jack on top panel. The MOSFET power amp stage and heatsink is visible in the middle of the panel. Set up and intonate. A Red LED for the red channel a Blue LED for the blue channel, an Orange LED for blue drive and a Green LED for blue clean. Electronics tested while the guitar was disassembled and it functioned with no faults, no crackles or dropouts (also later tested OK with the guitar plugged in), except for the discovery of the reversed control wiring. Each lesson is tailored to suit each students individual taste and ability; offering a fresh and innovative approach to learning the guitar. Problems – Entire guitar is very grubby, the bridge tone knob is loose and the intonation screw is missing from the bottom E saddle (a 4-40 5/8 apparently – available in packs of 12 from Strings Direct). Tokais can also be identified through their serial numbers, but there are some instances of departures from this system. Save my name, email, and website in this browser for the next time I comment. Diagnostic notes – The circuit diagram of these Watkins units shows that the three playback heads, which are spaced along the tape path at increasing distances from the record head, are all wired in a series chain into the input of the playback amplifier. Tracing the birth of one dulcimer, Wooden Butterflies reveals a journey of metamorphosis: the translation of memory into music. Oak 5 way pickup selector switch fitted, with a black switch tip secured with a drop of superglue. The construction actually appears to be of laminated 4 ply with the maple backed by mahogany veneer. Either the bridge on the bass isn’t original, its feet had not been sanded to fit the curve of the top, or the intended factory action was always quite high. The bridge should be adjusted to close to vertical on its pivots. Our stores are located in the world famous 'Tin Pan Alley' Denmark Street, London. Some work done on restoring it. Quite heavy fret wear under the plain strings down to the eighth fret. Tokai Springy Sound model numbers – which are usually engraved on the last fret or on the neck heel – generally break down as follows: All of the above models were available with a rosewood fingerboard, but this feature is very rare on ST-80 and higher models. Ending Saturday at 6:10AM PST 12h 44m. The strings are described as 34 inch strings, which is the distance from the trapeze tail piece to ¾ of an inch past the nut, just below the tuners. Sales of Stratocasters had fallen away and Fender wanted a hollow body guitar to compete. The II indicates this is a two pickup version, there was also a single pickup version, a twelve string and two basses. All blown fuses replaced. Description – A mechanical ¼ inch tape loop, valve, reverb / echo unit. The control panel Lexan decal was a little oversize and had chipped and split where it protruded. Dave King has been repairing guitars for over 30 years. This one is graded as – ‘in good condition’. Get the best deals on Damaged Acoustic Electric Guitars when you shop the largest online selection at eBay.com. Intonation as delivered After re-stringing   saddles moved. Long (Set) Saddle - from £70 . Wunjo on Denmark Street in Central London is far more than just an acoustic guitar, electric guitar, bass guitar and keyboard shop. The design suited the skills of the Hofner workforce, which had been making instruments of the violin family, and was intended to provide the bass player, who would previously have played an acoustic upright bass, with a very lightweight and compact electric alternative. Your email address will not be published. The thin black burst was applied to hide this ‘burn’. $217.91. Tube amplifier repair. We are open Monday -Saturday 8am-9pm. Explore other popular Local Services near you from over 7 million businesses with over 142 … Contact us today. The letter code does not refer to neck shape, only width. Volume controls do not work – on or off is about the best you can get. Pickup covers are black plastic. Just about every picture on the web shows the floating bridge in a different place and angle. Re-positioned the tension pin on the D tuner and dabbed a little nail polish on either end to ‘glue’ it in place. Filed the nut slots to accommodate the heavy bottom / light top string set, to reduced string sticking and to reduce clearance over the first fret to improve intonation and ease of play. The neck on this one measures 1.635 and the nut itself is just a little narrower than the neck. No work will be done on the instrument without details of the job and cost being agreed with you in advance. Since the Coronado here is left handed that makes replacement arms even rarer. Work done – Body and neck cleaned and polished. Bridge saddles adjusted for intonation correction. Repairs . Cabinet fitted with two Eminence 12 inch SPK100 121505 8 ohm parallel wired to present a 4 ohm load to the amp. All the internal routing is extremely clean and tidy. Haim and David are luthiers, fashioning organic stringed instruments from recycled wood. As the trem arm is moved down, with the strings wrapped under the curved bottom of the string anchor, you might expect the strings to tighten and go sharp as the anchor rotates slightly anticlockwise. Diagnosis – The neck tone pot had a ‘frozen’ shaft due to the shaft lubricant having thickened. Current production has a Casino VS (no Bigsby) which sells at a street price of £438.10. They are wound a little hotter than the Tokai pickups on the clients sunburst Tokai and would seem a close match to the early 50’s classic Fender Strat pickups. Or maybe for props or displays? Push on knobs onto round shaft pots don’t lock to the shafts, so control knobs tend to just spin round and round. Cream binding top and bottom edge of the body and on the neck. The Rhythm/Solo switch either connects the selected pickup/s directly to the output or via the 0.047uF for a more treble tone. Problems – Brought in for reduction of the very high action (previous owner used it for rhythm playing) and a general check over. Prices. Controls – Red channel drive, treble, middle, bass, volume, ch switch, Blue channel drive, Drive / Clean switch, treble, middle, bass, drive volume, clean volume, master volume. New D’Andrea pick guard fitted with CTS pots – 250K 10% curve for volume and 250K 20% curve tone for a smoother control of tone, wired for first tone neck pickup, second tone bridge pickup. Re-mounted the Bigby on the guitar and clipped a Vibromate String Spoiler to the string roller to make re-stringing easier. Problems – Customer suspected problems with the loudspeakers. 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