Vol.17 Theremin mini
Contents
1. Copyright by Edward B Marks Music Company c 2 Q My theremin doesrt make sound ACheck the assembly process Is the switch lever attached to the right place Are the antenna and wires attached correctly Is the connecter of the battery box set in the circuit completely ACheck the cone of the speaker The transparent part of the speaker oscillates to make sound If it is pushed with fingers and dented it may not make clear sound Check if the batteries are new If the batteries are dead change these with new batteries Be careful of the direction of the batteries A theremin consumes batteries as long as the switch is on even if it doesn t make sound Turn off the switch when not in use and remove batteries ACheck the wires of the speaker If the wires come off of the speaker solder these up Q cart tune it well A Tuning needs fine adjustment Turn the tuning stick more slightly See XHint on turning the tuning stickt at the lower left of the p 4 and tune patiently Q The zero point doesrt become stable after tuning ACheck if there is something moving around the theremin If something that conducts electricity is moving around the theremin the sound changes Keep these things at a distance while tuning AA theremin is easily influenced by temperature a2. Instructions for Assembling and Operating Ta Theremin mini mini TepmMedH Theremin in Russian Takes about 20 minutes for assembling The circuit board is already set No need of soldering Parts in the Kit TUTTI small screw 7 antenna holder A antenna holder B large screw 1 T screw with collar 4 AAA dh Things you will need Phillips screwdriver 1 4 newsize AA alkaline or manganese batteries X Do not use nickel batteries oxyride batteries or rechargeable batteries such as nickel cadmium batteries to avoid the risk of dissolution of parts or ignition in case of a short circuit and other mistakes Note for screwing The screws in the kit are the type of screws that lol d WA speaker covered with y a cardboard carve a slot in the plastic when driven in A 1 Philips screwdriver is the right size to use When screwing press a screwdriver to a screw vertically and turn firmly The right proportion of the power is 70 for press and 30 for turn A precision screwdriver is actual size difficult to turn so use a of a 1 small screwdriver that has a screwdriver grip with a diameter of antenna circuit board already set Remove transparent protection films on the lower body before assembling back body upper body eae ee Te SEE lt 0 battery box lid Se stick Please read the
3. antenna that is the about egem gt point you want to make it the zero point At the moment the theremin still beeps XKeep the playing hand at that point and do the next step of tuning X Dort move the left hand 6 Bring down the left hand that holds the root of the leg slowly and stop it at the point where the theremin becomes soundless about 20cm gt XKeep the playing hand at the point where you want to make it the zero XIn case the sound doesnt stop when you bring down your left hand If the sound doesmn stop though you bring your hand away turn the left volume to the left a little bit and redo from 5 Use caution not to turn the volume too much Tuning is finished Tuning is finished Keep your left 3 hand at the the extent of position where the musical the tuning is performance finished f the volume is adjusted appropriately you dort have to hold the theremin with your left hand pa while Xlt may be difficult to tuning Try tune right after to make switching on since the hand Ti condition of the theremin is not stable In such a case leave it a few minuets after switching on and then start tuning Lets Iry to Play Move your right hand and play C D E F G A B C with your left hand fixed about two octaves Move your playing hand as horizontally as possible antenna playing han
4. Ra metal contact Hold the upper and lower bodies firmly with fingers and screw tight Set the antenna in the D aq Sal N large screw 4 Set batteries in the battery box at the lower body and fit the lid on lower body Make sure that the positive and negative Att hi th terminals on the acnin eu er XPay attention not to be batteries are facing 3 g pp injured with the hook at the the right way tip of the antenna Attach the antenna lid of the battery box antenna 77 holders to the antenna antenna holder B antenna XPress and holder A _ snap them in _ 2 Put the antenna through the hole in the upper body Put the antenna holder in Slide the back body in the groove of the upper body groove the antenna holder can come SS side attention not to bend the antenna Cut a mini musical score on the p 67 and put upper body XHold the antenna X Either side of holder with these it on projections HA lower body H Remove the tuni tick XPut the back body in the groove pa Complete and slide to fit in completely Instructions for Assembling and Operating 3 Tuning 1 What is tuning A theremin is easily influenced by the circumstance including the player So every time before playing a theremin the player needs to tune the theremin for himself Concrete
5. The plastic materials used in this kit body rear upper lower battery box lid legs ABS red antenna holder A and B switch lever tuning stick POM black circuit board phenol resin yxVinyl chloride resin is used for the covers of the lead wires The metallic materials used in this kit antenna stainless steel screw metal contact iron r The Structure of the Theremin mini The theremin is an electronic a hand of the player instrument which makes sound by drone of two frequencies antenna circuit This makes two frequencies speaker switch lever This is used to switch on and off and to change the sound level lt cannot change the volume while playing batteries four size AA batteries volume for tuning Used to adjust When you bring your hand close to the two frequencies antenna you can play high sound and when you bring your hand away you can play low sound The sound changes continuously not stepwise Assembling the Body Install the circuit board Set the circuit board into the he wires of the Attach the pP lower body and fix with small SSES pa ut legs into the lower body and y easily Pay le S fix with small screws driver screws attention not to g small screwe pull too much Use caution X For easy handling stick a te to touch screw to the magnetized tip of the driver transparent small screw cone part How to magnetize the driver small screw Sa
6. d TW ands Keep the left Put your elbow on the hand table to stabilize stationary The sound is continuous and it changes when the hand moves even if it is only Imm move Look for the scales patiently and carefully swing the antenna and enjoy making vibrato sound Twang twang Swing the antenna while playing Then the sound becomes unstable and sounds like vibrato The point of the antenna is shaped like a hook Use caution not to scratch your fingers with it and be injured Mini Scale Oh My Beloved Father cea Puccini 5 Cuttheses fees fs scale along i the line and SS p put these on Fi j the music FEE stand of the p p theremin ee ae _ pe OE a l a 2 o From the New World mvt Il Largo oy El Condor Pasa sea Dvorak Robles Milchberg ANTENNA VY K VOLUME Q L IIIN VOLUME I gt Ii 6 5 IC SPEAKER AMP i 1 2 3 SWITCH T OF ON Min ON Max Ley Theremin mini Circuit Diagram
7. following instructions before assembling AN CAUTION 2 Use caution when handling some pointed parts Improper use may cause injury To avoid the risk of suffocation use caution not to swallow small parts such as screws The point of the antenna is shaped like a hook Use caution not to scratch your fingers with it and be injured Also use caution not to prick eyes with it Four size AA batteries are required Improper use of the batteries may cause the generation of heat explosions or leaks The following precautions should be taken Do not use rechargeable batteries such as nickel cadmium batteries cadmium batteries or oxyride batteries to avoid the risk of dissolution of parts or ignition in case of the short circuit and other mistakes Ensure that the positive and negative terminals on the batteries are facing the right way If liquid that leaked from batteries gets in an eye rinse it well in a lot of water immediately and consult a doctor When liquid stick to skin or clothes wash it up with water immediately Remove batteries after an experiment Please read the assembly instructions and cautions carefully before using the kit instructions and cautions in this booklet should always be followed for safety Do not use any materials that have become damaged or deformed while in use LRemove batteries after using the kit and keep these away from babies and children Instructions for Assembling and Operating
8. ke the A since itis a connector out delicate part of this part small screw to make Par sounds by gircuit board Oration X See the figure carefully and pay attention to the l direction of the circuit A strong magnet is used in the speaker Rub the tip of the driver against the magnet at the back of the 2 Insert the connecter of the battery box into the circuit board leg Pay attention to the connector Areca di i speaker a couple of times to ee inser the same direction and the n the tip of the driver is ego arter putting Into magnetized to stick the the lower body screws Les try completely or Be careful of the wires of the the legs are speaker since it comes off fastened easily Use caution not to touch loosely and the transparent cone since it is cause rickety dented easily legs eg 2 Otona no Kagaku 3 MSet the switch lever on the switch on the circuit board A Put the upper body on the lower body and fix with the large screw hole X Pay g attention switch lever to the direction O gt i XFasten the screws minding not to touch the speaker terminal 3 Fit the speaker in the back body and fix with screws with collar screws with colla Put the projection of the switch into the hole in the switch lever 4 Fix the antenna and the metal contact to the lower body with a screw with collar antenna screw with collar f board P AT
9. ly speaking tuning means to set X the zero pointt that is the condition that sound of the theremin becomes lower and lower to be soundless to the normal position The ideal zero point is the position about 20cm away from the antenna like the figure below but it is playable if the point goes forward about high sound low sound soundless 7m about 20cm zero point playes hand Turn the volumes to tune A theremin produces sound by the resonance of two frequencies The two volumes on the body are to change each one of two frequencies Turn the volumes with the tuning stick X Basically do not turn this volume Hint on turning the tuning stick At the last stage of the fine tuning dort really move the stick but just put power to the direction Such subtlety is needed to fine tune Otona no Kagaku Tuning 1 Pull out the switch lever from the body It beeps Don mind if it doeshbeep There are two sound levels large and small Tuning is very fine work Be patient to tune XIf the sound is too large cover the holes of the speaker with some adhesive tape or tissue to adjust sound level large small E switch lever Tune the theremin at the place where you actually plays Play it on a flat and stable place like on a wooden desk A steel desk is not suitable since it may influence the sound adhesive tape 2 Turn the left volume with the tip of the
10. nd humidity Leave the theremin a few minuets after switching on until it becomes stable and then start tuning one more time A
11. tuning stick to tune Donm move your left hand since it plays an important role In tuning X Tuning doesrt go well if there are something moving around the theremin Keep these things off the body as far as possible volume Put in the hole firmly Put your forefinger on the uppermost place of the leg tuning stick 3 Turn large the left volume to right and left with the tuning stick and make sure the sound becomes high and low Also make sure there is a soundless part XIn case there are no soundless parts turn the right volume a little to right or left Then turn the left volume again to make sure if there is a soundless part If there are no soundless places yet turn the right volume larger 4 Turn the left volume to the rightmost and then turn to the left little by little The sound becomes lower as shown in the right figure below When it becomes soundless reverse the volume a little Stop at the point where the sound beeps faintly Reverse a little bit beep a Stop the left volume When the beep stops reverse at this point When you turn the left volume from right to left the sound changes from high to low to soundless to low to high sound high low volume the volume a little and stop with the small beep sound Pay attention not to reverse too far 5 Bring your playing hand to the point about aoe ae 20cm away from the hand
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