{"product_id":"fairfield-circuitry-pb-j","title":"Fairfield Circuitry PB\u0026J","description":"\u003cdiv lang=\"en\"\u003e\n\u003cp\u003e\u003cstrong\u003eFairfield Circuitry PB\u0026amp;J\u003c\/strong\u003e is a precision-engineered JFET Preamplifier and Buffer designed to act as the sonic anchor of your signal chain. PB\u0026amp;J (Preamplifier, Buffer \u0026amp; J-fet) tackles the common issues of impedance mismatch and signal degradation head-on, ensuring that your instrument's natural voice reaches the amplifier without compromise. Housed in Fairfield’s signature raw aluminum enclosure, this utility device combines laboratory-grade transparency with the subtle, musical warmth of high-quality transistors.\u003c\/p\u003e\n\n\u003ch3 style=\"text-align: center;\"\u003eImpedance Correction and Harmonic Enrichment\u003c\/h3\u003e\n\u003cp\u003eThe primary challenge in complex pedalboards is \"tone suck\"—the loss of high-end clarity caused by cable capacitance and multiple bypass switches. The PB\u0026amp;J provides a high-impedance input buffer that preserves the delicate nuances of your pickups. By utilizing discrete JFET circuitry, it offers a vacuum-tube-like response that feels natural under the fingers. Whether used to restore lost sparkle or as a subtle preamp to push the front end of a tube amp, it adds a layer of definition and punch that passive systems simply cannot deliver.\u003c\/p\u003e\n\n\u003ch3 style=\"text-align: center;\"\u003eProfessional Line Driving and Noise Management\u003c\/h3\u003e\n\u003cp\u003eStrategic placement of the PB\u0026amp;J solves the problem of inconsistent levels throughout a rig. It functions excellently as a line driver at the end of a long chain, ensuring the signal remains robust and noise-free even over extensive cable runs to the stage box or amp. Its ultra-low noise floor makes it an indispensable tool for recording sessions where signal purity is non-negotiable. The minimalist interface allows for quick adjustments, turning a weak, thin signal into a professional, studio-ready tone with minimal effort.\u003c\/p\u003e\n\n\u003ch3\u003eKEY FEATURES\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDiscrete JFET-based buffer for superior signal isolation.\u003c\/li\u003e\n\u003cli\u003eIntegrated preamplifier for transparent clean boost applications.\u003c\/li\u003e\n\u003cli\u003eRestores high-frequency content lost to cable capacitance.\u003c\/li\u003e\n\u003cli\u003eMusical, tube-like harmonic character without heavy distortion.\u003c\/li\u003e\n\u003cli\u003eMicro-footprint design for easy integration into any setup.\u003c\/li\u003e\n\u003cli\u003eIndustrial raw aluminum chassis built for life on the road.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTECHNICAL SPECIFICATIONS\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInput Impedance: 1 MΩ.\u003c\/li\u003e\n\u003cli\u003eOutput Impedance: \u0026lt; 1 kΩ.\u003c\/li\u003e\n\u003cli\u003ePower Requirement: 9V DC, Center Negative.\u003c\/li\u003e\n\u003cli\u003eCurrent Draw: Approx. 5 mA.\u003c\/li\u003e\n\u003cli\u003eI\/O: 1\/4\" TS Input and Output.\u003c\/li\u003e\n\u003cli\u003eDimensions: 3.6\" x 1.5\" x 1.2\".\u003c\/li\u003e\n\u003cli\u003eCircuitry: 100% Analog, Discrete JFET.\u003c\/li\u003e\n\u003cli\u003eOrigin: Handmade in Quebec, Canada.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Fairfield Circuitry","offers":[{"title":"Default Title","offer_id":53599143264593,"sku":"59529","price":138.32,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/8741\/0769\/files\/FairfieldCircuitryPB_J1.jpg?v=1776878094","url":"https:\/\/wrdtunes.com\/en-fr\/products\/fairfield-circuitry-pb-j","provider":"Wired Tunes","version":"1.0","type":"link"}