The II indicates this is a two pickup version, there was also a single pickup version, a twelve string and two basses. While still making excellent guitars today, Japanese maker Tokai became known in the 1970’s for their affordable copies of the iconic American electric guitars. I run a friendly local repair service from my workshop at in Reading, Berkshire. The control panel Lexan decal was a little oversize and had chipped and split where it protruded. The construction actually appears to be of laminated 4 ply with the maple backed by mahogany veneer. A German immigrant to the USA in 1953, Rossmeisl had trained as a luthiere in Mittenwald, Germany. form below). Strings cleaned. Wire and fuses from Maplin (R.I.P.) Heaters are pins 4 (for the triode on pins 1,2,3) 5 (for the triode on pins 6,7,8) and 9 (center tap). Tremolo cavity fitted with a silver mirror cover plate. With the strings removed the neck had a tiny amount of forward bow. Guitar repairs London, Amp repairs, Guitar Setups, re-fretting, Headstock repairs and full re-wires, spares and custom parts. Heads cleaned with isopropyl alcohol. This original guitar is likely of most interest to collectors since the design does not work well as a players guitar. 14V AC – via a diode bridge rec. They also have graduated string grooves, so each saddle is unique, one small saddle has a large groove for the bottom E and one a small groove for the top E. Small springs, with the intonation screws running through them, pass most of the way through the saddles. Surrey Guitar Repair is not responsible for Case is falling apart. Removed the old tension roller. The neck and headstock are painted black with the Epiphone brand inlaid in mother of pearl at the top of the headstock. fretted stringed instruments. 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). These are ‘modern player’ guitars. 6 – Neutral 240V AC main – Rewired exposed neutral to go straight to the transformers. Work Done – The original custom mains transformer was replaced with three, off-the-shelf, toroidal transformers. Because we are a home-based business, we will continue to fix the amplifiers that are here, accept phone calls, respond to emails, and accept amplifiers that are shipped to us by appointment. you can bring the instrument into the. guitars that are brought in for repair. Delivered strung with flatwound strings 0.043, 0.061, 0.078, 0.100 as measured. Diagnosis – The neck tone pot had a ‘frozen’ shaft due to the shaft lubricant having thickened. The neck pocket was shimmed with two pieces of paper so whoever did it, either did not understand the micro-tilt system, or couldn’t find a suitable hex key. This means the guitar now has the standard Fender string spacing at the nut, along with the narrow string spacing at the bridge. Removed the amp chassis from the cabinet. © London Guitar Academy. Body – The totally enclosed, but hollow body, has a book matched two piece spruce top plate, a one piece flamed maple back and flamed maple sides (may actually be European sycamore). The foot switch is active when both push/push buttons are up (blue and green LEDs on). Truss rod adjusts from the headstock with a 4mm hex key bullet nut with a 5mm thread. Tokais can also be identified through their serial numbers, but there are some instances of departures from this system. The Rhythm position drops the volume a little and the other two switches are for pickup selection (up is on). In 2013 Fender released a Coronado re-issue (no trem) at around £592 street, now discontinued. specialises in setups, repairs & general maintenance for all 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. The plywood cabinet is covered in black tolex with chromed steel corner protectors. The chrome bar, trapeze mount, two point pivot tremolo, has a blued steel, string tension balance leaf spring, concealed in the hollow chrome plated, pressed steel tailpiece. If any of the play heads are open circuit the playback amplifier sees an open circuit when that head is selected by its push button, and the output produces a loud hum. REPAIR LOG – 1980S? Mains T2A slo-blo fuse is blown. Your email address will not be published. Problems – Customer suspected problems with the loudspeakers. 12 inch radius rosewood fretboard with off-white plastic dots and 22 medium jumbo frets. Oak 5 way pickup selector switch fitted, with a black switch tip secured with a drop of superglue. We repair most string instruments including electric guitars, acoustic guitars, and bass guitars. 2911 N Halsted St. Lakeview. The covers don’t fit flush, they are short of the forbon baseplate by about 1mm which allows clearance for the two lead out wires. The only problem is that the two 25mm height adjustment screws only have 2mm extending past the threads in the pickup legs so if the pickup loosens at all the screws don’t have far to go before they come loose and the pickup falls out. Deltronics 43 Electronics Repair. 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. Strange little 5 way pickup switch. The thin black burst was applied to hide this ‘burn’. Some Coronados where fitted with DeArmond pickups with Alnico rod magnets on spring loaded carriers, adjusted by six separate screws. Body has 3 routes for single coil pickups. Copyright retained by Terry Relph-Knight 17/09/17. Guitar re-strung with a set of D’Addario EXL110 nickel wound 10’s and truss rod and bridge adjusted for best action. With the strings depressed at the last fret. Inspect the wiring and solder joints. Guitar repair has been a large part of London Guitar Academy from the start. Removed the 3/32 inch hex wrench stuck to the back of the bridge pickup. Strings are loaded with the ball end towards the neck, run through and folded under the chrome bar tremolo string anchor, then up to run over the floating bridge. do arrange in advance a time and day to bring your instrument along for, repair or It is finished in a black to off-white (the white appears yellow under the aged clear coat) burst with black sides, a paint scheme known as Antigua. Save my name, email, and website in this browser for the next time I comment. Despite what the serial number seems to indicate, the end of the neck is stamped with 19FEB68B. A captive 2 core mains lead (replaced with a grounded 3 core) and two captive screened cables for a footswitch and the signal out, exit the left edge of the transport plate and are stored in a recess in the left end of the case. Date – 21/01/16. The narrow neck and 30 inch short scale makes this bass very comfortable to play even with a relatively high action. You need Rotosound ‘Medium’ scale 35.25 inches from ball to silk. Turn-around time for repairs is typically 10-14 business days. Here at Dave’s Guitar Shop we are proud to have a staff of world class Guitar and Amp technicians. With the Mustang and the Coronado, Fender introduced the Fender Dynamic Vibrato, a two part system where the tremolo mechanism is separated from the bridge. The Coronado was inspired by the Beatles use of the Epiphone Casino thin-line hollow guitar and the following fashion for Epiphone style thin-line hollow and semi-hollow guitars. diam) and a drilled through string shaft (0.374 inch diam, Epiphone is 0.388, Bigsby is 0.373). Re-mounted the Bigby on the guitar and clipped a Vibromate String Spoiler to the string roller to make re-stringing easier. A guitar amplifier (also known as an amp) is an electronic system that strengthens a guitar’s weak electrical signal. It is finished with a brown burst lacquer and bound top and bottom with white plastic with a black/white inner purfling. We have repaired a considerable number of old 50’s and 60’s amp from makers such as watkins, Selmer and electrovoice. From a simple service, a full re-valve, or a complete restoration project, we are ready to help. The main change that Epiphone have made to the design, presumably in order to save money, is that rather than drill the 3/16” holes in the aluminium frame for the front roller axle and drill and tap for a grub screw in the frame leg, Epiphone chose to cast larger 3/8” inch holes (roughly 3/8” the holes actually taper from the outside in). Fret Leveling & Dressing, Wiring Issues and Neck/Bridge/Nut/Tremelo Adjustments, The turnaround is the fastest in London the rates are super fair and most importantly the work is done right with the player in mind, From simple input jack fixes to pickup replacements to customers creative wiring mods and full rewires, All custom work can be completed and executed to the highest professional standards. Guitar Repairs London for YOU! Continuity testing shows all the secondary windings are shorted together. With excellent diagnostic skills, high quality guitar repairs, and vintage restorations. was formed in 2014 after 40 years of inspiration for the guitar. Work done – Body and neck cleaned and polished. Sometimes you will see them with one pickup pointing up and one down! The switches on the new panel simply switch either the bass/neck pickup or the treble/ bridge pickup on (or both on) with no extra tone or level shaping components switched in or out. In particular the synchronised vibrato bridge, which on many Tokai S type guitars is a chrome plated, single piece, zinc alloy casting, with cast zinc alloy saddles. The Epiphone Custom Shop brand is used on limited run models. The tuners seem to require a stepped hole. This connects to the power transformer and the loudspeakers through 2 PCB mounted SIL Molex connectors through a short cable harness. For simplicity I have placed the bridge with the two pivot pucks up against the back edge of the bridge pickup as a stable reference point. Relax. The string roller and the arm now swing with very low friction. Vintage style 6/64″ (2.4 mm) 5/64″ (2 mm), 1.5mm Hex Key for the bridge saddle heights and for the arm tension, £ 4.50 for teflon insulated silver plated wire and tie wraps, £ 3.92 Set of 3 black Strat knobs with white legends, £ 2.10 1 x Orange Drop 0.022uF capacitor for tone control, £ 2.00 Silver mirror finish tremolo cavity cover, £ 30.00 D’Andrea blue swirl pearl pick guard, £ 0.72 6 x M3 by 35mm black hex button screws for the pickups @ 12p each. The screw in vibrato arm is stainless steel with a white tip and obviously not the original. Home. The Tokai logo in black with a gold outline, SILVER STAR in black and the serial number in black are printed on the front face of the headstock. These feed 14V AC power to the bridge rectifier that feeds a 12 V DC regulator that powers the valve heaters with the two heaters in each dual triode wired in series. Current value – purchased second hand for £450. Two ¼ inch mono jack sockets for input 1 and 2. Body is finished in a black/brown to dark transparent yellow, vintage sunburst. If you have a valve amp, maybe it is sounding a little tired and has lost its sparkle? Top three tuners are loose on their locating screws and threaded collars. Clockwise turns on the screw reduces tension on the leaf spring, the chromed bar string anchor tilts forwards and the notes flatten. Obviously at some point someone had dropped the wrench inside the guitar and it ended up stuck to the pickup magnets.The top E pole screw had been noticeably raised to compensate for the higher volume from the other strings due to the increase in the upper magnetic field caused by the wrench. Rust around the hole in the front panel jamming the Drive / Clean push-push switch removed so the switch can move freely. Replace all screws with new – black screws on the pickguard, Electrically screen the guitar with copper tape, Replace the bridge with a Wilkinson steel block bridge with vintage saddles, Replace the old bent metal string trees with Graph Tech trees, New D’Addario waterfall swirl scratch plate. The two point pivot tremolo system has a heavy chrome string anchor bar and is loose trapeze mounted to a hook plate screwed to the guitars end block. Get in touch to discuss shipping your amp, or analog device! Sales of Stratocasters had fallen away and Fender wanted a hollow body guitar to compete. After the heads there is a fixed aluminium tape guide followed by the motor spindle / tape capstan. To find out more about my guitar repair and maintenance services or to book a free consultation simply call 07957230354 or email Terry @ info@londonguitaracademy.com These two rods screw in to the underside of the string anchor bar at either end. Where can I take my instrument and/or amplifier to be repaired? We are Scotland’s biggest musical equipment service and repair center specialising in vintage valve amplifiers, we also service and repair power amps, digital rack equipment, sound modules, mixing desks, PA speakers, keyboards and vintage synths. “This … Tube-testing. Safety of internal mains wiring was improved. Changes in weather such as temperature, central heating and humidity as well as wear and tear on frets, nuts, saddles and strings can affect stringed instruments greatly. top end acoustics set up and fixed including fixing a large crack in my Martin acoustic. The narrower string spacing reduces the likelihood of the strings falling off the edge of the fretboard. In Stock Only. The volume and tone have small round ivory plastic ‘teacup’ knobs with gold anodised central concave metal inserts (the Hofner Potiknob H909/15 replacements £9.43 each). Having the manufacturers support is paramount to us and we are in the fortunate position to have access to the latest schematics and spare parts, many of which are available at our online store . All acoustic & electric guitars with either 6 or 12 strings as well as bass guitars are common visitors in the workshop. Work done – Fitted a Goldo Tune-o-Matic bridge with roller saddles with added M3 bridge locking grub screws. 129 Van Horne. The holes for these tuners seem to have been drilled a little over size by mistake because the Grover bevelled washers under the threaded collars have been supplemented with larger washers to cover the oversized holes drilled in the headstock. They were made as 1 by 12 and 2 by 12 combos. From amplifiers and hi-fi equipment to digital pianos and electronic organs, we can repair your equipment for you, quickly and efficiently. London Guitar Repairs is a full service repair shop ranging from setups and truss rod adjustments to complicated neck resets and refrets. My B5 has only one circlip on the outer end and its lateral movement is limited at the other end by the arm bracket that is attached to the string shaft with a grub screw running into a mating hole in the shaft. The headstock has a thin black/white celluloid facing with the brand ‘Hofner’ in reflective gold script. Trace the circuit wiring from input and gently pull on the wire. We cannot list every possible repair available so please contact us if you require additional pricing information. The strings are old, worn and filthy. Large Fender CBS style headstock. When connected to mains power the secondary windings started smoking, so there is obviously a short in one of the secondaries. If you have a problem with your guitar, be it a broken string or a snapped neck, The Hofner HCT-500 1-SB Contemporary Violin Bass Sunburst may be had for £499 inc VAT. Amplifiers can strengthen the signals on electric, bass, or acoustic guitars. Reaming out the hole slightly removed the rust and freed the switch so the button can move through its full travel. Or – to try fitting a Vibromate String Spoiler for easier string loading. Neck – Maple, one piece, 3 bolt neck with black plastic dots finished in a high gloss poly that has darkened to a ‘vintage’ amber. Electric Amps (35) Bass Amps (3) Acoustic Amps (1) Amp Accessories (1) Availability . The pin on the D tuner had slipped out of its support hole at one end. Tokai spring claw retained as it matches the spacing of the original tremolo tension screws. hi-fi amplifiers We specialize in all vacuum tube audio amplifiers, as well as vintage solid state receivers, integrated amplifiers and component separates. Although some of these guitars are still in the retail chain. The light gauge stainless flats in 39 to 96, apparently are the strings used by Paul McCartney. After removing the Epiphone tension roller, I reamed out the tapered holes in the vibrato frame with a 9.5mm drill. assessment by using our electronic booking form (see the bottom of this page), //07793226795 // surreyguitar@yahoo.com // images and logos are copyright 2019 Valves – This unit has a Mullard ECC83, a Brimar 6BR8 and a Mullard ECC83 – These may be the original valves. Front panel Drive / Clean push-push switch was jammed because of rust around the hole for the push button in the front panel. I have had two Reconditioned the heads of the four neck ‘bolts’ and all other bolts and screws. Acoustic neck angle adjustment. The neck pickup had dropped out again. Description – Bradley amplifiers are an early example of a hybrid valve / solid state design. Get Your Guitar And Amp Repaired At A Reasonable Price With Fast And Efficient Service From Skilled And Experienced Technicians! It is likely that the tremolo was intended to be set by adjusting the screw so that the anchor pivot pillars sit at right angles to the tremolo shell. With luck the only fault was in the transformer and the fuses protected all the electronics from permanent harm. (tube/valve amps, PA/desk, Speakers, Keyboards etc). Whatever the make and model I can help you get your ailing amp back up to scratch. Can be found on offer for as high as £799. We are happy to repair or refurbish vintage amplifiers to modern digital guitar amps as we have experience on both analogue and digital electronics, switch mode power supplies and other technologies. Pickup covers are black plastic. Each half of one ECC83 is used as an input amp for the two input channels (inputs are 1Meg each), the 6BR8 (a dual tetrode plus triode) is used for the record head driver and for the bias oscillator and the second ECC83 is used as the playback amplifier. Would highly recommend Leigh and his work, top qualityâ, Andrew Morris, recording artist, composer, producer. 32V AC for power amp – rectified to plus and minus 40V DC. The electronics are mounted on a separate bent steel plate under the transport plate. ‘Genuine Hofner Original Made in Germany’ is stamped on the back of the headstock. A 1/4” roller axle is used, running in push-in nylon bushings inserted, both into the frame and into the ends of the thin tension roller tube. The loudspeakers were tested by connecting them to another amplifier – they are fine. 14.2 V AC with all valves plugged in. Repairs, Maintenance and Modifications | Guitar London. Effects loop send, series return, parallel return and foot switch on back panel. Cheap Japanese output jack replaced with a Switchcraft, fitted with a screened cable. If … Note – Parts are extremely hard to find. The guitar & amplifier repair prices included below should be used as a guide only. A limited range of other amplifiers are also repaired and prices/details can be accessed via the links below Surrey Guitar Repair //, you can drop off and pick up in a safe and socially distanced. The bridge height adjustment wrench can be used to make fine adjustments to the bridge tilt on its pivots by inserting it into one of the height grub screws and using it as a lever. The specifications for the current Casino on the Epiphone web site give a neck width of 1.68 inches. (336) 274 … “Total waste of … Cream binding top and bottom edge of the body and on the neck. 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. A shot of WD-40 into the pickup switch really loosened it up, now it feels like a normal pickup toggle. Cleaned and polished the guitar, trying to buff out the fine scratches left by the previous owner. These are fitted closely together (the spacing along with the large buttons make this guitar hard to tune) and five of these tuners have a small bevel on the locating screw lug that allows it to tuck in under the next tuner. Guitar re-assembled, set of RotoSound Yellows (10 to 46) fitted (twists soldered on the three plain strings) set-up and intonated. 250V AC supply – rectified and smoothed for valve HT, F80 – T2A L250V …. Noisy pots? The headstock is burst painted to match the body and carries a script Fender logo in black with a gold outline. This Fix-It Guide on amplifier repair tells how an audio amplifier works, what often goes wrong, how to identify an amplifier problem, and what parts and tools you will need to fix it. Middle playback head, bottom grille, indicator lamp and output cable replaced. McCartney has also used Rotosound RS88LD Tru Bass flat wound black nylon strings 0.065, 0.075, 0.100, 0.115 £36.99 from Strings Direct. I tightened the truss rod until the neck was flat and then applied a fret rocker test. Oddly unbalanced output from the bridge pickup with the high E pole raised above the others. The client had purchased this guitar quite recently with the intention of having it completely re-built, with many parts to be replaced with new modern equivalents. He had Mosrite founder Semie Mosely as an amp ) is an electronic system that a... Finished in a different place and angle are extremely rare AC mains input!!!!!!!! D CRAWFORD are just visible in the vibrato frame with a N.O.S Brimar ECC83 these... 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New CTS pots, Orange Drop tone cap, guitar amp repair near me switch etc ” diameter spacers with hole! 12 combos 12 COMBO guitar amplifier work done – disassembled, cleaned, lubricated and reassembled the entire thing chrome!, apparently are the same as those used on Limited run models chips and marks. Thin-Line, electric or bass guitars pocket to reduce neck slop timeless our... Edge markers are designed to fit a genuine Bigsby and neither are a retro... The start xxxx, price – the neck and is an extremely poor, single piece zinc casting that... Own high quality guitar repairs, guitar setups London simple service, a 43mm... Ball to silk re-issues only have a trapeze tailpiece, no tremolo inch long 3/8 ” diameter spacers with hole... Layer, blued steel, leaf spring, concealed in the bridge pickup mint,... Burns guitars are rated at either 500mA ( Maplin 10pk GL62S £3.19 ) were Rewired directly to truss! 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