{"product_id":"burl-audio-b1d","title":"Burl Audio B1D","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan class=\"citation-716\"\u003eThe \u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-716\"\u003eBurl Audio B1D\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-716 citation-end-716\"\u003e is a high-octane 500 Series microphone preamplifier and DI module engineered for engineers seeking extra low-end weight, midrange density, and aggressive analog harmonic character.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"citation-715\"\u003eBuilt on the exact same direct-coupled, Class-A discrete circuit architecture as the standard B1, the B1D replaces the nickel output transformer with Burl Audio’s custom\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003cspan class=\"citation-715\"\u003eBX4 all-iron output transformer\u003c\/span\u003e\u003cspan class=\"citation-715 citation-end-715\"\u003e.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"citation-714 citation-end-714\"\u003eThe result is a punchier, darker, and more thunderous sonic footprint.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"citation-714 citation-end-714\"\u003e\u003cspan class=\"citation-713 citation-end-713\"\u003eThe B1D saturates in a rich, euphonic manner when driven hard.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"citation-712 citation-end-712\"\u003eUsing the stepped input gain and variable output level controls, engineers can dial in aggressive iron transformer colour while attenuating the final output level to avoid clipping converters.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"citation-714 citation-end-714\"\u003e\u003cspan class=\"citation-712 citation-end-712\"\u003e\u003cmeta charset=\"UTF-8\"\u003e\n\u003cspan class=\"citation-711\"\u003eDesigned for versatile tracking sessions, the B1D features a transformer-coupled \u003c\/span\u003e\u003cspan class=\"citation-711\"\u003eImpedance Select\u003c\/span\u003e\u003cspan class=\"citation-711 citation-end-711\"\u003e switch to optimise performance with low impedance microphones and condensers.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"citation-710 citation-end-710\"\u003eA front-panel \u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e1\/4\"\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"citation-709 citation-end-709\"\u003e Hi-Z instrument DI jack allows direct tracking of bass, electric guitars, and synthesisers, while a \u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e−\u003c\/span\u003e\u003cspan class=\"mord\"\u003e30\u003c\/span\u003e\u003cspan class=\"mord text\"\u003e\u003cspan class=\"mord\"\u003e dB\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"citation-708 citation-end-708\"\u003e pad accommodates hot signals. \u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_51709a7a39443859-324\"\u003e\u003cb\u003eCustom Burl Audio Iron Transformer:\u003c\/b\u003e \u003cspan class=\"citation-707 citation-end-707\"\u003ePairs the BX3 input transformer with a proprietary all-iron BX4 output transformer for extra midrange drive, low-end punch, and rock character.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_51709a7a39443859-325\"\u003e\u003cb\u003eClass-A Discrete Circuit Topology:\u003c\/b\u003e \u003cspan class=\"citation-706 citation-end-706\"\u003eDirect-coupled, zero-capacitor signal path delivers maximum transient speed and dynamic headroom.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_51709a7a39443859-326\"\u003e\u003cb\u003e70 dB Total Gain:\u003c\/b\u003e \u003cspan class=\"citation-705 citation-end-705\"\u003eHigh-gain capability to clean-boost low-output ribbon and dynamic microphones.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_51709a7a39443859-327\"\u003e\u003cb\u003eIndependent Gain \u0026amp; Level Staging:\u003c\/b\u003e \u003cspan class=\"citation-704 citation-end-704\"\u003eStepped input gain knob paired with continuous output level trim for exact saturation shaping.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSelectable Input Impedance:\u003c\/b\u003e Low\/High impedance switch for optimal load matching with ribbon mics.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_51709a7a39443859-328\"\u003e\u003cb\u003eFront-Panel Hi-Z DI:\u003c\/b\u003e \u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e1\/4\"\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"citation-703 citation-end-703\"\u003e instrument input for direct tracking of bass, synth, and guitar.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_51709a7a39443859-329\"\u003e\u003cb\u003eEssential Studio Controls:\u003c\/b\u003e \u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e−\u003c\/span\u003e\u003cspan class=\"mord\"\u003e30\u003c\/span\u003e\u003cspan class=\"mord text\"\u003e\u003cspan class=\"mord\"\u003e dB\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"citation-702 citation-end-702\"\u003e pad, \u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e+\u003c\/span\u003e\u003cspan class=\"mord\"\u003e48\u003c\/span\u003e\u003cspan class=\"mord text\"\u003e\u003cspan class=\"mord\"\u003eV\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"citation-701 citation-end-701\"\u003e phantom power, polarity reverse switch, and tri-color LED signal\/peak indicator.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_51709a7a39443859-330\"\u003e\u003cb\u003eForm Factor:\u003c\/b\u003e \u003cspan class=\"citation-700 citation-end-700\"\u003eSingle-Slot 500 Series Module (VPR Alliance Compliant)\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_51709a7a39443859-331\"\u003e\u003cb\u003ePreamp Type:\u003c\/b\u003e \u003cspan class=\"citation-699 citation-end-699\"\u003eSolid-State Discrete Class-A Transistor\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_51709a7a39443859-332\"\u003e\u003cb\u003eGain Range:\u003c\/b\u003e \u003cspan class=\"citation-698 citation-end-698\"\u003eUp to \u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e70\u003c\/span\u003e\u003cspan class=\"mord text\"\u003e\u003cspan class=\"mord\"\u003e dB\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_51709a7a39443859-333\"\u003e\u003cb\u003eInput Transformer:\u003c\/b\u003e \u003cspan class=\"citation-697 citation-end-697\"\u003eProprietary Burl Audio BX3\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_51709a7a39443859-334\"\u003e\u003cb\u003eOutput Transformer:\u003c\/b\u003e \u003cspan class=\"citation-696 citation-end-696\"\u003eProprietary Burl Audio BX4 (All-Iron Core)\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_51709a7a39443859-335\"\u003e\u003cb\u003eCircuit Path:\u003c\/b\u003e \u003cspan class=\"citation-695 citation-end-695\"\u003eDirect-Coupled, Zero-Capacitor Class-A Signal Path\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_51709a7a39443859-336\"\u003e\u003cb\u003eInputs:\u003c\/b\u003e \u003cspan class=\"citation-694 citation-end-694\"\u003eRear XLR (via 500 Series Rack Frame), Front \u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e1\/4\"\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"citation-693 citation-end-693\"\u003e Hi-Z Instrument DI\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_51709a7a39443859-337\"\u003e\u003cb\u003eOutputs:\u003c\/b\u003e \u003cspan class=\"citation-692 citation-end-692\"\u003eRear XLR (via 500 Series Rack Frame)\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_51709a7a39443859-338\"\u003e\u003cb\u003eControl Functions:\u003c\/b\u003e \u003cspan class=\"citation-691 citation-end-691\"\u003eStepped Input Gain, Output Level Trim, Impedance Select Toggle, \u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e−\u003c\/span\u003e\u003cspan class=\"mord\"\u003e30\u003c\/span\u003e\u003cspan class=\"mord text\"\u003e\u003cspan class=\"mord\"\u003e dB\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"citation-690 citation-end-690\"\u003e Pad, \u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e+\u003c\/span\u003e\u003cspan class=\"mord\"\u003e48\u003c\/span\u003e\u003cspan class=\"mord text\"\u003e\u003cspan class=\"mord\"\u003eV\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"citation-689 citation-end-689\"\u003ePhantom Power, Phase Reverse (\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"strut\"\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e0\u003cspan class=\"msupsub\"\u003e\u003cspan class=\"vlist-t\"\u003e\u003cspan class=\"vlist-r\"\u003e\u003cspan class=\"vlist\"\u003e\u003cspan class=\"\"\u003e\u003cspan class=\"pstrut\"\u003e\u003c\/span\u003e\u003cspan class=\"sizing reset-size6 size3 mtight\"\u003e\u003cspan class=\"mbin mtight\"\u003e∘\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"mord\"\u003e\/18\u003c\/span\u003e\u003cspan class=\"mord\"\u003e0\u003cspan class=\"msupsub\"\u003e\u003cspan class=\"vlist-t\"\u003e\u003cspan class=\"vlist-r\"\u003e\u003cspan class=\"vlist\"\u003e\u003cspan class=\"\"\u003e\u003cspan class=\"pstrut\"\u003e\u003c\/span\u003e\u003cspan class=\"sizing reset-size6 size3 mtight\"\u003e\u003cspan class=\"mbin mtight\"\u003e∘\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"citation-688 citation-end-688\"\u003e)\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_51709a7a39443859-339\"\u003e\u003cb\u003eMetering:\u003c\/b\u003e \u003cspan class=\"citation-687 citation-end-687\"\u003eTri-Color LED Signal \/ Peak Indicator\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Burl","offers":[{"title":"Default Title","offer_id":56932451287426,"sku":null,"price":832.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/1648\/8370\/files\/B1_Front-191218-1.png?v=1790081835","url":"https:\/\/makenoiseproaudio.com\/products\/burl-audio-b1d","provider":"Make Noise Pro Audio","version":"1.0","type":"link"}