San Francisco, CA, Estados Unidos
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We have completed servicing, calibrating, and testing this TASCAM 414 MKII. This unit is very clean, and after the necessary repairs and switches upgrade, it is working like new. Very low flutter when recording piano and acoustic guitar during testing. This unit has some slight color fading on the knobs, but it adds to the charm. Cosmetically, it's in great condition, especially after undergoing our deep cleaning process. We spend way too much time deep cleaning these units. Dissambling and cleaning the casing in the sink. Running all the knobs, slider-covers, and even the transport buttons in an ultrasonic cleaner. Polishing on the cassette door. We use cue tips to clean the PCB's. And so on. All 4 input switches have been replaced. This is something only we (Functional) do as far as I know. We think of these like Juno 106 voice chips. They eventually go bad so they should just be replaced as part of the standard maintenance.Grab it before someone else does!Repairs:These were need to bring the item back to functioning condition, before performing maintenance.• All four input-select switches were replaced with new parts!• The item has been deep cleaned in the sink and ultrasonic cleaner.• The tape door was pretty scratched and we used a rotary polisher to remove the scratches. It turned out great!Maintenance: With many vintage 4-track recorders approaching 40 years of age, they need to be maintained to continue to work properly. First and foremost the rubber belts need to be replaced, but there are many other things that can keep the 4-track running well.• Clean and demagnetize tape heads• Replace belts with low wow/flutter belts• Oil capstan bearing with high quality German oil. It greatly improves wow/flutter• Clean all input and output jacks with Deoxit on a cue tip. No messy spraying.• Clean all potentiometers and faders with contact cleaner• All 1/4", RCA jacks, and the power jack have had their solder reflowed to ensure strong reliable solder points.• The transport buttons were disassembled and cleaned with the ultra sonic cleaner, because why not!• A common issue with TASCAM 414’s and 424’s is the INPUT and record-select slide switches become dirty and do not work properly. When this happens, the signal can cut in out and out in playback or recording. We now replace these switches with new parts to avoid this issue entirely.Calibration:Aside from calibrating the tape speed which is required after changing belts, often the rest of the calibrations are fine from the factory, but we check them and make tweaks when necessary.• Calibrate tape speed(s)• Check/calibrate the Azimuth• Check/calibrate the playback level for even playback• Check/calibrate the record level for even recordingCleaning:We also take pride in restoring the cosmetic condition of the units we work on. Note that in some cases there are stubborn marks that we leave. Rather than scrub them away with a harsh cleaner which can damage the original finish or patina and leave the unit looking spotty.• All knob and fader caps were cleaned with an ultrasonic cleaner.• In some cases when the faceplate is removed we clean it in the sink with soap and water and dry it completely before reassembly.• We'll often even take apart the transport buttons and clean those in the ultrasonic cleaner as well.• Any dirt or dust on the PCB's is blown away with compressed air and then cleaned with a cue tip and 99% IPA.Quality Assurance:
We also do a thorough QA of all our units. This process includes hooking the unit up to a vintage Hammond drum machine, Nord organ, and various other gear. We then record music on all 4 channels, and test all the functionality that would be used when recording music. It only gets listed once it has been tested this way. If any issues are found, we fix the issues before listing. This ensures that the unit is functioning as it should without a doubt! Other notes:• It comes with a new power supply and bulk-erased vintage tape. Vintage tapes are the best in our experience.• Free USPS ground shipping. Will usually ship same day.We also have other machines for sale. Check out our Reverb Store: https://reverb.com/shop/functional-tech-sfNeed your 4-track serviced? Reach out to us via direct message or our website for availability and rates. We are located in San Francisco, CA. See our website functional.fyi for more info.Also check out our product Lucky Cat LFO if you're into modular synthesizers! Internal Id: November 8, 2026
Listing Date: G379
Precio$860
Envío gratis
Envío gratis
desde San Francisco, CA
