{"product_id":"2p2-tube-single-lamp-medium-wave-radio-kit-battery-tube-radio-2p3-radio-without-casing","title":"2P2 Tube Single Lamp Medium Wave Radio Battery 2P3 Without Casing","description":"\u003cp\u003eThe 2P2 Tube Single Lamp Medium Wave Radio Battery 2P3 Without Casing is a portable decor essential, designed for dependable everyday performance and lasting value.\u003c\/p\u003e modname=ckeditor \u003cp\u003e\u003cstrong\u003e2P2Electronic tube single lamp radio board Kit\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eMagnetic rod coil needsSelf windingWith gauze covered wire and enamelled wire\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eAdaptation2P3Casing\u003c\/strong\u003e\u003cstrong\u003eWithout casingThe casing needs to be photographed separatelyalso\u003c\/strong\u003e\u003cstrong\u003eWithout battery \u003c\/strong\u003e\u003cstrong\u003eand\u003c\/strong\u003e\u003cstrong\u003ehornBand immobility\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eImportant tipsThat is, if the single tube machine is not connected to the antenna or small power amplifier speaker\u003c\/strong\u003e\u003cstrong\u003eThe sound is too lowHardly heard\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eA small power amplifier uses a mobile phoneWith input lineBluetooth speakers or small computer speakers are OKThe first commissioning shall be connected\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eAnd can only receive local data1-2Geqiang station\u003c\/strong\u003e\u003cstrong\u003eSo this kitOnly foramateurDIYplay\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eAfter completionNoachievePortable listening effect giveMP3Headphones and 3.5turn6.5Seat\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKit introduction\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePotentiometer with switch and regeneration regulation\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eDC battery14500Lithium battery3.7Fu He 9Volt power supply\u003c\/strong\u003e\u003cstrong\u003eScreen voltage9V Screen current less than0.5mA.\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003efilament2.4Volt power supply 7Right foot1Foot negative5Foot empty\u003c\/strong\u003e\u003cstrong\u003eFilament current30mA.\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eLamp low seatGlowing redLED 2.4Vpower supplyCurrent limiting resistance150Oh. LEDelectric current16mA\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eAvailable after transformer impedance conversion\u003c\/strong\u003e\u003cstrong\u003eLow resistance8--32OhHeadphone listening\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eNon connected transformer can be usedHigh resistance2000-4000OhHeadphone listening\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eRefer to finished product drawing\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eSupporting circuit diagram\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eThe kit is shown in the figureThe coil should be wound by itselfprimary3--4Sand bag line about85circle \u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eregenerate5--6Enamelled wire approx25-35circleIf the antenna coil is wound, enamelled wire shall also be used\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWithout casing Battery and hornSingle tube machineWith immovable horn2P3Empty shell is more expensiveNeed to buy separately\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFirst welding7Foot socketEnsure that the bottom surface of the pipe seat is close to and flush with the small plateCut off the protruding welding leg after welding\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eReweldingLEDWhen weldingPay attention to the heightThe top surface shall be flush with the top of the pipe seatTo have a better luminous decoration effect\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFinal welding current limiting resistanceCut short the leadAt this pointPad for welding resistance surface\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFirst, weld the potentiometer board vertically with the main boardWelding potentiometer\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eThe variable capacitor shall be welded and adjusted after the small plate of the electronic tube baseIn welding\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eElectronic tubeFirst insert it into the upper seat of the welded small plateTie it with a tie, flush with the board\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eThe small board of the lamp holder shall also be perpendicular to the main boardIn welding7Needle row needle\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePotentiometer switch small board and large board are5Large solder jointmiddle3The first point is the potentiometerUp and down2The first point is the switch\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eSemicircle pad on the back of the boardSelecting short circuit and no short circuit is used to select access and no access\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003e1.The antenna can be connected to only one antenna And winding on a magnetic rod10Coil grounding mode\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003e2.Kit with variable capacitor223PYou need to short circuit the variable lower foot padMake the two groups parallel\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003e3.Welding only with transformer4individualOne line2PadsWelding is intermediate8Oh The welding edge is connected32Oh\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eUse high impedance headphone transformer5Neither pad is shortedDirectly connect the high resistance solder joint and the earphone base with a wire\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003e4.Earphone holder, if plugged in2core3.5turn6.5High resistance conversion plug\u003c\/strong\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIt is necessary to cut the solder joint of the lower sound channelTo avoid short circuit sound signal\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eDebugging introduction written by Tanyou teacher\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e2P2Single lamp generally needs good receiving environment and good heaven and earth line device\u003c\/p\u003e \u003cp\u003eThis regenerative radio usually receives bird callsThen adjust the feedback knob to reduce the amount of feedback.\u003c\/p\u003e \u003cp\u003eThe scream went out and the radio came outAt this time, adjusting the station selection knob will make the frequency more correct\u003c\/p\u003e \u003cp\u003eThe reception will be louder But it will lead to strong signal feedback and critical point howlingThen turn down the feedback knob\u003c\/p\u003e \u003cp\u003eThe station selection and feedback knobs are carefully adjusted several timesThe sound is louder when adjusted to the best\u003c\/p\u003e \u003cp\u003eIf the radio is still accompanied by howlingThat's too much feedback\u003c\/p\u003e \u003cp\u003eIt's useless to adjust the minimum feedback, so we need to reduce the feedback coil test\u003c\/p\u003e \u003cp\u003eIf the reception has no bottom noiseYou need to adjust the feedback knob to hear a bottom noise, and then adjust the radio knob to select the station\u003c\/p\u003e \u003cp\u003eThis is a feature of playing regenerative radioVariable resistanceGood adjustment feedbackThe disadvantage is poor contact after wear\u003c\/p\u003e \u003cp\u003eFilament is a big consumer of electricityA: About 30mA\u003c\/p\u003e \u003cp\u003eReception sensitivity depends on signal strengthAnd the amount of feedback depending on the feedback coil\u003c\/p\u003e \u003cp\u003eGenerally, there is no problem receiving strong stationsIf the radio signal is weakSingle tube amplification capacity is limitedThere will be bird calls through feedback\u003c\/p\u003e \u003cp\u003eHowever, the signal is very weak when the regulation feedback whistle stopsAlmost no sound can be heard in the headphones\u003c\/p\u003e \u003cp\u003eBut I can't say there's no radio signal\u003c\/p\u003e \u003cp\u003eIf you add another tube to enlargeThe audible radio signal will increase\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eReference production article\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eShop the 2P2 Tube Single Lamp Medium Wave Radio Battery 2P3 Without Casing today — your go-to decor pick for tube, single, lamp, medium and more.\u003c\/p\u003e\u003cp\u003eYou may also like: \u003ca href=\"\/products\/solar-hot-air-balloon-garden-landscape-lights-outdoor-iron-lantern-lawn-led-lamp-gardens-christmas-thanksgiving-decoration-2022\"\u003eSolar Air Balloon Garden Landscape Lights Outdoor Iron\u003c\/a\u003e, \u003ca href=\"\/products\/christmas-solar-string-light-8-modes-solar-powered-snowflake-outdoor-waterproof-fairy-string-lights-for-home-xmas-tree-garden\"\u003eChristmas Solar String Light 8 Modes Powered Snowflake\u003c\/a\u003e and \u003ca href=\"\/products\/5pcs-e27-lamp-holder-construction-socket-lamp-holder-with-cable-construction-site-socket-renovation-socket-lighting-accessories\"\u003eE27 Lamp Holder Construction Socket Cable Site Renovation\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003ch4\u003eQ: What is the 2P2 Tube Single Lamp Medium Wave Radio Battery 2P3 Without?\u003c\/h4\u003e\u003cp\u003eA: The 2P2 Tube Single Lamp Medium Wave Radio Battery 2P3 Without is a quality decor pick. filament2.4Volt power supply 7Right foot1Foot negative5Foot empty Filament current30mA.\u003c\/p\u003e\u003ch4\u003eQ: How do I use the 2P2 Tube Single Lamp Medium Wave Radio Battery 2P3 Without?\u003c\/h4\u003e\u003cp\u003eA: The 2P2 Tube Single Lamp Medium Wave Radio Battery 2P3 Without is ready to use right out of the box and makes an easy addition to your decor lineup.\u003c\/p\u003e\u003ch4\u003eQ: Why choose the 2P2 Tube Single Lamp Medium Wave Radio Battery 2P3 Without?\u003c\/h4\u003e\u003cp\u003eA: The 2P2 Tube Single Lamp Medium Wave Radio Battery 2P3 Without stands out in our decor range — Lamp low seatGlowing redLED 2.4Vpower supplyCurrent limiting resistance150Oh.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the 2P2 Tube Single Lamp Medium Wave Radio Battery 2P3 Without?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The 2P2 Tube Single Lamp Medium Wave Radio Battery 2P3 Without is a quality decor pick. filament2.4Volt power supply 7Right foot1Foot negative5Foot empty Filament current30mA.\"}}, {\"@type\": \"Question\", \"name\": \"How do I use the 2P2 Tube Single Lamp Medium Wave Radio Battery 2P3 Without?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The 2P2 Tube Single Lamp Medium Wave Radio Battery 2P3 Without is ready to use right out of the box and makes an easy addition to your decor lineup.\"}}, {\"@type\": \"Question\", \"name\": \"Why choose the 2P2 Tube Single Lamp Medium Wave Radio Battery 2P3 Without?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The 2P2 Tube Single Lamp Medium Wave Radio Battery 2P3 Without stands out in our decor range — Lamp low seatGlowing redLED 2.4Vpower supplyCurrent limiting resistance150Oh.\"}}]}\u003c\/script\u003e","brand":"Zpaxo","offers":[{"title":"Default Title","offer_id":54255138636086,"sku":"\u003cnone\u003e","price":63.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0989\/7774\/3158\/files\/S079c2c0a189c4459b391b46a68312128w.webp?v=1784687536","url":"https:\/\/0i45ne-c8.myshopify.com\/products\/2p2-tube-single-lamp-medium-wave-radio-kit-battery-tube-radio-2p3-radio-without-casing","provider":"Zpaxo","version":"1.0","type":"link"}