{"product_id":"ta7668-stereo-tape-recorder-player-magnetic-head-preamplifier-board-diy-kit-optional-version","title":"TA7668 Stereo Tape Recorder \u0026 Player Magnetic Head Preamplifier Board DIY Kit (Optional Version)","description":"\u003cdiv\u003e\u003cspan style=\"color: rgb(255, 42, 0); background-color: rgb(255, 255, 0);\"\u003e\u003cb\u003eOptional Configurations:\u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e* Record \u0026amp; Playback Version\u003c\/div\u003e\n\u003cdiv\u003e* Playback Version\u003c\/div\u003e\n\u003cdiv\u003e* Tape Mechanism + Magnetic Head\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: rgb(255, 42, 0); background-color: rgb(255, 255, 0);\"\u003e\u003cb\u003eRevised Version Update:\u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e* Revised new version released in March 2025, equipped with an additional black tape compartment door.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: rgb(255, 42, 0); background-color: rgb(255, 255, 0);\"\u003e\u003cb\u003eRead Before Purchasing:\u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e* It is a DIY kit that requires self-assembly. This product is suitable only for buyers with basic electronics knowledge and hands-on skills; please refrain from purchasing if you lack relevant experience.\u003c\/div\u003e\n\u003cdiv\u003e* The original mechanism is fitted with a mono magnetic head, which needs to be manually replaced with a stereo magnetic head. Note: If you use the original mono head without replacement, audio noise will occur.\u003c\/div\u003e\n\u003cdiv\u003e* The kit operates on a 6V power transformer. Two variants are available for selection as needed: playback-only version and record-playback dual-purpose version.\u003c\/div\u003e\n\u003cdiv\u003e* This unit only provides pre-amplified signal output and must be connected to a power amplifier to produce audible sound.\u003c\/div\u003e\n\u003cdiv\u003e* All kits will be shipped with black front panels only.\u003c\/div\u003e\n\u003cdiv\u003e* Only a 6V transformer can be used; higher voltages will easily burn out the motor. The red wire connects to 220V alternating current; strictly follow wiring safety protocols during installation.\u003c\/div\u003e\n\u003cdiv\u003e* The record-capable variant comes with a permanent-magnet erase head, which requires no wiring connection.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: rgb(255, 42, 0); background-color: rgb(255, 255, 0);\"\u003e\u003cb\u003eKit Packing List (Depending on Selected Configuration):\u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cb\u003eRecord \u0026amp; Playback Version:\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv\u003e* 1 x Finished tape deck mechanism\u003c\/div\u003e\n\u003cdiv\u003e* 1 x Pre-amplifier board\u003c\/div\u003e\n\u003cdiv\u003e* 2 x RCA jacks\u003c\/div\u003e\n\u003cdiv\u003e* 1 x 6V power transformer\u003c\/div\u003e\n\u003cdiv\u003e* 4 x Fixing screws\u003c\/div\u003e\n\u003cdiv\u003e* 2 x Copper standoffs\u003c\/div\u003e\n\u003cdiv\u003e* 1 x Stereo magnetic head\u003c\/div\u003e\n\u003cdiv\u003e* 1 x Mechanism switch\/motor wire\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cb\u003ePlayback Version:\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv\u003e* 1 x Finished tape deck mechanism\u003c\/div\u003e\n\u003cdiv\u003e* 1 x Pre-amplifier board\u003c\/div\u003e\n\u003cdiv\u003e* 1 x RCA jack\u003c\/div\u003e\n\u003cdiv\u003e* 1 x 6V power transformer\u003c\/div\u003e\n\u003cdiv\u003e* 4 x Fixing screws\u003c\/div\u003e\n\u003cdiv\u003e* 2 x Copper standoffs\u003c\/div\u003e\n\u003cdiv\u003e* 1 x Stereo magnetic head\u003c\/div\u003e\n\u003cdiv\u003e* 1 x Mechanism switch\/motor wire\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cb\u003eTape Mechanism + Magnetic Head:\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv\u003e* 1 x Tape mechanism\u003c\/div\u003e\n\u003cdiv\u003e* 1 x Stereo magnetic head\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: rgb(255, 42, 0); background-color: rgb(255, 255, 0);\"\u003e\u003cb\u003ePackaging Details (Depending on Selected Configuration):\u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cu\u003eRecord \u0026amp; Playback Version:\u003c\/u\u003e\u003c\/div\u003e\n\u003cdiv\u003e* Package weight: 1.1kg\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cu\u003ePlayback Version:\u003c\/u\u003e\u003c\/div\u003e\n\u003cdiv\u003e* Package weight: 1kg\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cu\u003eTape Mechanism + Magnetic Head:\u003c\/u\u003e\u003c\/div\u003e\n\u003cdiv\u003e* Package weight: 0.75kg\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: rgb(255, 42, 0); background-color: rgb(255, 255, 0);\"\u003e\u003cb\u003eRecording Operation Instructions:\u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e* Connect the audio source signal for recording. Press the playback button and record button simultaneously to start recording.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: rgb(255, 42, 0); background-color: rgb(255, 255, 0);\"\u003e\u003cb\u003eMagnetic Head Replacement Methods:\u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cb\u003eMethod 1:\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv\u003e* Remove the 4 screws securing the tape deck mechanism. Press the stop button on the mechanism to open the tape compartment door. Note: The mechanism cannot be removed without opening the compartment door.\u003c\/div\u003e\n\u003cdiv\u003e* Unscrew the two fixing screws for the control buttons on both sides of the mechanism.\u003c\/div\u003e\n\u003cdiv\u003e* Remove the fixing screw on the left side of the magnetic head. Loosen the right-side screw slightly (this screw adjusts the azimuth angle of the magnetic head).\u003c\/div\u003e\n\u003cdiv\u003e* Slide the original magnetic head out to the left, install the new stereo magnetic head, solder all connecting wires, and adjust the magnetic head azimuth angle via the right-side screw to complete installation.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cb\u003eMethod 2 (Magnetic head replacement method without removing the mechanism control buttons):\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv\u003e* Press down the playback button. Remove the left fixing screw of the magnetic head, and slightly loosen the right azimuth adjustment screw. Slide out the original magnetic head to the left, mount the stereo magnetic head, solder all wires firmly, and tune the magnetic head azimuth via the right screw to complete the operation.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cb\u003eImportant Reminder:\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv\u003e* You must properly calibrate the magnetic head azimuth after replacing the magnetic head. Poor azimuth adjustment will result in muffled playback sound, unbalanced left and right channels and other audio faults. The magnetic head azimuth can also be fine-tuned through the gap of the tape compartment door after full assembly; a tiny screwdriver is required for this operation.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/t1.qr.jx.cn\/image\/catalog\/103470\/103470-01.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/t1.qr.jx.cn\/image\/catalog\/103470\/103470-02.jpg\"\u003e\u003c\/div\u003e","brand":"Thanksbuyer","offers":[{"title":"Record \u0026 Playback Version","offer_id":41142180380721,"sku":"103470","price":40.26,"currency_code":"USD","in_stock":true},{"title":"Playback Version","offer_id":41142180413489,"sku":"103471","price":36.53,"currency_code":"USD","in_stock":true},{"title":"Tape Mechanism + Magnetic Head","offer_id":41142180446257,"sku":"103472","price":30.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0578\/4790\/6353\/files\/103470-2.jpg?v=1785403819","url":"https:\/\/www.thanksbuyer.com\/products\/ta7668-stereo-tape-recorder-player-magnetic-head-preamplifier-board-diy-kit-optional-version","provider":"Thanksbuyer Online,SDR Radio, Testers and Measurement devices, Astronomy products,  Audio Amplifer and Decoders","version":"1.0","type":"link"}