{"product_id":"locomotive-audio-l72p-1","title":"Locomotive Audio L72P-1","description":"\u003ch1 data-section-id=\"1vufprp\" data-start=\"0\" data-end=\"76\"\u003eLocomotive Audio L72P-1 – 500 Series Tube Microphone Preamp\u003c\/h1\u003e\n\u003cp data-start=\"78\" data-end=\"579\"\u003eThe Locomotive Audio L72P-1 brings the unmistakable sound of legendary V72-style German broadcast preamplifiers to the modern 500 series format. Inspired by the classic console amplifier modules originally made for the German radio network, the L72P-1 delivers solid, deep lows, rich, creamy mids, and smooth, never aggressive highs, characteristics that have made these vintage circuits highly prized in professional recording studios.\u003c\/p\u003e\n\u003cp data-start=\"581\" data-end=\"1126\"\u003eDesigned for sound engineers seeking authentic vintage character with the flexibility of modern systems, the L72P-1 combines internally wound transformers, a carefully recreated plate choke, flexible gain control, a dedicated line input, and reliable modern tube options. The result is a characterful tube preamplifier, capable of capturing the essence of the original V72 sound while offering practical functionality for contemporary recording and mixing workflows.\u003c\/p\u003e\n\u003ch2 data-section-id=\"15qjo48\" data-start=\"1128\" data-end=\"1153\"\u003eThe Heart of the V72 Sound\u003c\/h2\u003e\n\u003cp data-start=\"1155\" data-end=\"1232\"\u003eAt the core of the Locomotive Audio L72P-1 are three fundamental components:\u003c\/p\u003e\n\u003cul data-start=\"1234\" data-end=\"1347\"\u003e\n\n\u003cli data-section-id=\"lqdhyp\" data-start=\"1234\" data-end=\"1267\"\u003eCustom input transformer\u003c\/li\u003e\n\n\u003cli data-section-id=\"urjats\" data-start=\"1268\" data-end=\"1299\"\u003eCustom output transformer\u003c\/li\u003e\n\n\u003cli data-section-id=\"4pcj5p\" data-start=\"1300\" data-end=\"1347\"\u003eThree-chamber plate choke\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"1349\" data-end=\"1765\"\u003eThese elements were developed in-house by Locomotive Audio to closely mimic the behavior and response of the vintage modules that inspired the design. They contribute significantly to the unit’s sonic character, providing punchy lows, rich low-mids, smooth highs, and the musical saturation typical of classic German tube preamplifiers.\u003c\/p\u003e\n\u003ch2 data-section-id=\"6e4vst\" data-start=\"1767\" data-end=\"1811\"\u003eIncreased Gain and Level Control\u003c\/h2\u003e\n\u003cp data-start=\"1813\" data-end=\"2012\"\u003eThe L72P-1 offers up to 54 dB of gain adjustable in 4 dB steps, providing significantly more flexibility compared to the original vintage modules, which offered up to 34 dB of gain.\u003c\/p\u003e\n\u003cp data-start=\"2014\" data-end=\"2289\"\u003eA 5-position rotary output attenuator allows for fine-tuning of the final level in 2 dB increments, enabling the preamp to be driven for color and saturation while maintaining precise level control throughout the signal chain.\u003c\/p\u003e\n\u003ch2 data-section-id=\"p2jjnm\" data-start=\"2291\" data-end=\"2340\"\u003eLine Inputs and Pad for Greater Flexibility\u003c\/h2\u003e\n\u003cp data-start=\"2342\" data-end=\"2470\"\u003eTo adapt to various studio situations, the L72P-1 includes dedicated XLR line inputs, as well as two attenuation levels:\u003c\/p\u003e\n\u003cul data-start=\"2472\" data-end=\"2501\"\u003e\n\n\u003cli data-section-id=\"rdidj0\" data-start=\"2472\" data-end=\"2486\"\u003e20 dB Pad\u003c\/li\u003e\n\n\u003cli data-section-id=\"rcxj09\" data-start=\"2487\" data-end=\"2501\"\u003e34 dB Pad\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"2503\" data-end=\"2773\"\u003eThis configuration makes the unit suitable for both use as a microphone preamplifier and as a color amplifier for line signals, useful for mix processing, stereo bus coloration, or for adding V72-style weight and depth to already recorded tracks.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1vq0d8c\" data-start=\"2775\" data-end=\"2806\"\u003eModern Tube Technology\u003c\/h2\u003e\n\u003cp data-start=\"2808\" data-end=\"2890\"\u003eInstead of using the now rare EF86 or EF804 pentode tubes, the L72P-1 employs:\u003c\/p\u003e\n\u003cul data-start=\"2892\" data-end=\"2957\"\u003e\n\n\u003cli data-section-id=\"1cua8xg\" data-start=\"2892\" data-end=\"2916\"\u003e2x 6922 \/ E88CC tubes\u003c\/li\u003e\n\n\u003cli data-section-id=\"1rvwm6g\" data-start=\"2917\" data-end=\"2957\"\u003eDual-triode cascode configuration\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"2959\" data-end=\"3144\"\u003eThis solution was chosen to replicate the behavior of the original pentode circuit, while offering a quieter, more reliable, and readily available solution.\u003c\/p\u003e\n\u003cp data-start=\"3146\" data-end=\"3256\"\u003eThe design is optimized for 6922\/E88CC, but also supports other common dual triode tubes like the 12AU7.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1nzfg66\" data-start=\"3258\" data-end=\"3304\"\u003eTwo Different Transformer Configurations\u003c\/h2\u003e\n\u003cp data-start=\"3306\" data-end=\"3505\"\u003eThe L72P-1 comes standard with the input transformer in the \"S\" configuration, which offers a slightly more linear high-frequency response compared to the non-\"S\" broadcast version.\u003c\/p\u003e\n\u003cp data-start=\"3507\" data-end=\"3704\"\u003eFor those who prefer an alternative response, a version with a non-\"S\" transformer is available. Additionally, a jumper on the board allows selection of the input transformer load between:\u003c\/p\u003e\n\u003cul data-start=\"3706\" data-end=\"3723\"\u003e\n\n\u003cli data-section-id=\"gtm0im\" data-start=\"3706\" data-end=\"3714\"\u003e400 kΩ\u003c\/li\u003e\n\n\u003cli data-section-id=\"fj0f2w\" data-start=\"3715\" data-end=\"3723\"\u003e200 kΩ\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"3725\" data-end=\"3792\"\u003ea modification commonly associated with \"S\" configured modules.\u003c\/p\u003e\n\u003ch2 data-section-id=\"mslteg\" data-start=\"3794\" data-end=\"3809\"\u003eApplications\u003c\/h2\u003e\n\u003cp data-start=\"3811\" data-end=\"3831\"\u003eThe L72P-1 is suitable for:\u003c\/p\u003e\n\u003cul data-start=\"3833\" data-end=\"3952\"\u003e\n\n\u003cli data-section-id=\"1j4h2nv\" data-start=\"3833\" data-end=\"3839\"\u003eVocals\u003c\/li\u003e\n\n\u003cli data-section-id=\"1rlxse8\" data-start=\"3840\" data-end=\"3860\"\u003eAcoustic instruments\u003c\/li\u003e\n\n\u003cli data-section-id=\"1895bv4\" data-start=\"3861\" data-end=\"3871\"\u003eDrums\u003c\/li\u003e\n\n\u003cli data-section-id=\"hin3hb\" data-start=\"3872\" data-end=\"3889\"\u003eElectric bass\u003c\/li\u003e\n\n\u003cli data-section-id=\"52wauy\" data-start=\"3890\" data-end=\"3900\"\u003eGuitars\u003c\/li\u003e\n\n\u003cli data-section-id=\"z8vgq9\" data-start=\"3901\" data-end=\"3917\"\u003eSynthesizers\u003c\/li\u003e\n\n\u003cli data-section-id=\"iwww6j\" data-start=\"3918\" data-end=\"3952\"\u003eStereo or line-level sources from mix\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1vry1ox\" data-start=\"3954\" data-end=\"3983\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"3985\" data-end=\"4640\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\n\u003cli data-section-id=\"19xe0mf\" data-start=\"3985\" data-end=\"4056\"\u003eV72-style tube microphone preamplifier in 500 series format\u003c\/li\u003e\n\n\u003cli data-section-id=\"prenim\" data-start=\"4057\" data-end=\"4105\"\u003eInspired by classic German broadcast modules\u003c\/li\u003e\n\n\u003cli data-section-id=\"44ex5h\" data-start=\"4106\" data-end=\"4149\"\u003eUp to 54 dB of gain in 4 dB steps\u003c\/li\u003e\n\n\u003cli data-section-id=\"hh7hkb\" data-start=\"4150\" data-end=\"4200\"\u003eInternally wound transformers and plate choke\u003c\/li\u003e\n\n\u003cli data-section-id=\"1ki1gdw\" data-start=\"4201\" data-end=\"4249\"\u003e2x 6922\/E88CC tubes in cascode configuration\u003c\/li\u003e\n\n\u003cli data-section-id=\"12nj2wb\" data-start=\"4250\" data-end=\"4292\"\u003eAlso compatible with tubes like 12AU7\u003c\/li\u003e\n\n\u003cli data-section-id=\"1ieiyvg\" data-start=\"4293\" data-end=\"4322\"\u003eDedicated XLR line inputs\u003c\/li\u003e\n\n\u003cli data-section-id=\"jgwhe9\" data-start=\"4323\" data-end=\"4368\"\u003e20 dB and 34 dB pads for line-level signals\u003c\/li\u003e\n\n\u003cli data-section-id=\"gkcp1s\" data-start=\"4369\" data-end=\"4421\"\u003e5-position output attenuator in 2 dB steps\u003c\/li\u003e\n\n\u003cli data-section-id=\"6nw4yd\" data-start=\"4422\" data-end=\"4461\"\u003eStandard \"S\" input transformer\u003c\/li\u003e\n\n\u003cli data-section-id=\"1kh157z\" data-start=\"4462\" data-end=\"4490\"\u003eOptional non-\"S\" version\u003c\/li\u003e\n\n\u003cli data-section-id=\"nxd0ah\" data-start=\"4491\" data-end=\"4549\"\u003eSelectable transformer load (400 kΩ \/ 200 kΩ)\u003c\/li\u003e\n\n\u003cli data-section-id=\"l54v9m\" data-start=\"4550\" data-end=\"4622\"\u003eSound with solid lows, rich mids, smooth highs, and low distortion\u003cbr\u003e\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Locomotive Audio","offers":[{"title":"Default Title","offer_id":54092594020685,"sku":"LOCOL72P-1","price":1159.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/0643\/6173\/files\/T72P-1-Front__03985.jpg?v=1781258036","url":"https:\/\/musicdelivery.net\/en\/products\/locomotive-audio-l72p-1","provider":"Music Delivery","version":"1.0","type":"link"}