Experience the distinct warmth and open clarity of a vintage tube condenser microphone engineered for modern reliability and precision. The Golden Age Project GA-251 MKII combines a meticulously crafted 1.34″ (34 mm) K251-style capsule with a rare NOS Phillip 5840 W tube to deliver a sonic signature prized by professionals seeking natural tonal richness and dynamic range.
Traditional vintage microphones often suffer from maintenance challenges and inconsistent performance. The GA-251 MKII addresses these issues by incorporating advanced point-to-point internal wiring on a premium Rogers circuit board, ensuring stable signal integrity and reducing noise. This design delivers a clean 85 dB(A) signal-to-noise ratio, preserving the subtle nuances of your source with minimal coloration.
- Dual Polar Patterns: Switch effortlessly between cardioid and omnidirectional modes using the dual-sided capsule. This flexibility allows precise control over sound capture, whether isolating a single source or embracing room ambience.
- High Max SPL Handling: With a maximum sound pressure level of 136 dB SPL, the mic captures loud sources without distortion, ideal for dynamic vocals and instruments.
- Premium Components: The tube amplifier circuit features a super-low-noise NOS Phillip 5840 W tube operated in triode mode, paired with a custom 10:1 AMI-style dual-bobbin transformer made from American permalloy steel and German enameled wire for balanced, high-resolution audio reproduction.
- Precision Capsule: Only capsules passing stringent tolerance tests (1 in 4 accepted) are used, ensuring consistent frequency response and sensitivity (16 mV/Pa) across units.
- Robust Construction: The microphone’s machined brass body combined with a carefully designed iron grille shape its acoustic character while providing durability for studio and stage use.
- Connectivity and Power: XLR output with an external power supply supports professional studio setups, ensuring stable operation and compatibility.
The GA-251 MKII measures 9.8″ in length and 2″ in diameter, weighing 1.32 lbs, offering a substantial yet manageable form factor for various mounting and placement options. Its light beige finish complements any studio aesthetic while protecting internal components.
Designed for engineers and artists demanding authentic vintage sound without the maintenance headaches, this microphone blends classic tube warmth with modern manufacturing precision. Each unit is handcrafted in limited runs to meet rigorous quality standards, guaranteeing a reliable, rich sonic experience that elevates vocal and instrumental recordings alike.
Included with the microphone are an external power supply, shockmount, padded microphone box, and a metal flight case for secure transport and storage. The GA-251 MKII is a definitive choice for studios seeking the revered tube condenser sound coupled with dependable performance.





















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