The Fisher 50C mono tube preamplifier

    Introducing the esteemed Fisher 50C Preamplifier, a pinnacle of vintage audio sophistication. More than a mere component, it's a revered relic inviting true connoisseurs to immerse themselves in its storied heritage. This package includes comprehensive documentation, meticulously captured in the accompanying photos. Serial # 53421     Condition and Performance: The Fisher 50C Preamplifier is in good condition. Rigorously tested, it emanates that distinctive warmth and enveloping sound signature. While its vintage status doesn't guarantee operational performance, its preserved state presents collectors and users with the choice to uphold its authenticity or opt for restoration to maximize its functionality. Facilitating this choice is a restoration kit valued at $180, accompanying the preamplifier, providing invaluable guidance throughout the restoration process. Conveniently accessible in PDF format, all instructions are electronically available.     The Legacy: In the realm of enduring audio technology, certain devices transcend time, not just as functional artifacts but as revered icons in sound reproduction. Among these, the Fisher 50C preamplifier remains a testament to craftsmanship, innovation, and enduring excellence. Introduced in the late 1960s by the Fisher Radio Corporation, the Fisher 50C swiftly garnered acclaim for its unmatched performance and design finesse. Crafted under the visionary guidance of Avery Fisher, a luminary in audio engineering, the 50C exemplifies pushing boundaries and setting new standards in hi-fi equipment. The 50C embodies sleek sophistication. Its brushed aluminum exterior, illuminated controls, and intuitive layout exude timeless charm. Yet, its allure transcends aesthetics; the preamplifier boasts sturdy construction, a hallmark of Fisher's dedication to durability. What truly sets the Fisher 50C apart is its exceptional audio performance. It emanates a rich, warm sound that captivated audiophiles then and continues to do so today. Its ability to faithfully reproduce music with remarkable clarity and depth made it a coveted centerpiece of audio setups. Upon release, the Fisher 50C was ahead of its time, featuring cutting-edge technology. Decades later, it remains highly sought after by audio enthusiasts and collectors, evoking nostalgia for an era when audio equipment was both a symbol of craftsmanship and sonic delight. In the realm of audio equipment, the Fisher 50C preamplifier remains a cherished relic—a testament to the fusion of artistry, engineering, and a passion for sound. Its enduring appeal transcends time, reminding us that true craftsmanship knows no limits. As years pass, the Fisher 50C preamplifier continues to resonate with those who appreciate its unparalleled sonic prowess and timeless design, forever etched in the annals of audio history as a beacon of innovation and quality. For those fortunate enough to experience its magic, the Fisher 50C remains not just an object of admiration but a living testament to the pursuit of sonic perfection—a vintage marvel that continues to captivate hearts and ears alike. So, embrace your vinyl collection and immerse yourself in the incomparable world of the Fisher 50C—a timeless masterpiece redefining the essence of audiophile bliss.     Specifications: Phonograph Preamplifier: Has two cascaded triode stages. Inputs (Total of five): 3 x high-level inputs (0,5 megohm) 1 x low-level magnetic phono input to match all makes of cartridges. 1 x microphone input (2,2 megohms) Output Impedances (Both recorder and main audio outputs are from cathode followers, permiting lead lengths up to 200 feet. Recommended load impedance): 100,000 ohms or greater, 7500 mmf or less. Maximum Gain: From high level input: 22,5 dB From low level input: 50 dB Harmonic Distortion: 0,02% at 1 volt, 0,05% at 5 volts 0,15% at 10 volts 0,4% at 15 volts Intermodulation Distortion: 0,08% at 1 volt 0,2% at 5 volts 0,5% at 10 volts 1,6% at 15 volts Frequency Response: 20 Hz - 20,000 Hz ±1 dB, (with controls in uniform response position) Hum and Noise level: On radio input - better than 100 dB below normal signal (2 volts output) with volume control at zero. Better tnan 90 dB below normal signal with volume control at maximum. On phono input -66 dB below output with a 10 mV input signal. Controls (Total of eight): Volume Control; operates either conventionally or as a Loudnes Control accurately calibrated to the reciprocal of the Fletcher-Munsen curves Loudness Control Switch; eliminates loudness compensation when desired Selctor Switch; has five position (see Inputs above) Low and High Frequency Equalization Switches; provide independent adjustment of low frequency turnover and high frequency roll-off (16 combinations) Bass and Treble Tone Controls; produce up to 16 dB of boost or attenuation at 50 and 10,000 cycles respectively. Can be set for uniform response Power Switch; operates self-contained power supply and three spare AC receptacles. Five Independent Level Controls; equlize various input signal levels and permit optimum loudness control setting. Power Supply: Self-contained and completely shielded, including a full-wave selenium rectifier for B-plus and bridge-type selenium for Dc filaments Power Source: 105 -125 Volts, 50 - 60 cycles Tube Complement: 2 x 12 AX7; 1 x 12 AU7 Chassis: is of etched aluminum Dimensions (W x H x D): 14¾ x 3½ x 6⅛ inches     Preservation of Quality: The Fisher 50C Preamplifier is meticulously encased in protective plastic shrink wrap and stored in a controlled environment to maintain its pristine condition, photographed in detail.     Packaging Assurance: Rest assured, your Fisher 50C Preamplifier will be packaged with utmost care, ensuring it arrives flawlessly. Additionally, as part of quality assurance, meticulous testing for radiation exposure (Beta, Gamma) using a Geiger counter is conducted on all vintage equipment. This testing aims to provide reassurance given its age and varied storage locations over the years. Rediscover the allure of vintage audio with the Fisher 50C Preamplifier. Secure a piece of audio history that not only delivers sound but also evokes nostalgia from a cherished era. Seize this exceptional opportunity to elevate your audio setup with enduring brilliance. Note: Detailed images for closer inspection are included alongside this exceptional preamplifier.