Ray Tubes Vacuum Tube - 2A3 SELECT

2,090 SEK

Classic 2A3 with modern perfection – for clean, open and dynamic sound reproduction Ray Tubes SELECT 2A3 is a premium direct-annealed triode tube for those who demand natural sound with high transparency, detail and musical presence. The 2A3 has been a favorite among audiophiles since the 1930s – especially appreciated in single-ended amplifiers for its natural midrange and organic character. In the Ray Tubes SELECT series, the 2A3 gets new life – with modern manufacturing methods, rigorous selection and improved stability. The result is a tube that preserves the classic 2A3 sound, but with higher reliability and smoothness than NOS and most newly manufactured alternatives. Why choose Ray Tubes SELECT 2A3? * Hand-picked specimens – each tube is rigorously tested for sound quality and stability * Gold-plated pins – improved contact, longer life * Exceptionally smooth performance – consistent sound, tube after tube * 1-year warranty – rare peace of mind in this class of tube Sound Character: * Bass: Tight and naturally articulated – not exaggerated, but lifelike * Midrange: Incredibly clean, airy and present – especially beautiful when reproducing voices * Treble: Silky and resolved – never sharp or intrusive * Dynamics & sound image: Direct and intimate presentation with a good sense of space and placement Ray Tubes SELECT 2A3 is an obvious choice for those of you who use low-wattage single-ended amplifiers and want to get maximum musicality, life and presence out of every recording. Compatible amplifiers Explore Ray Tubes' compatibility list for tube amplifiers.

Ray Tubes Vacuum Tube - 300B SELECT

The 300B is a legendary tube. Introduced in 1938, it powered the cinemas of Hollywoodʼs Golden Age. Audiophiles have treasured it for decades for its low noise and good reliability. Ray Tubes is proud to introduce our take on a classic. Product Highlights The Ray Tubes SELECT Collection offers the best tubes youʼll ever need. It goes above and beyond the baseline to bring out the best in all your favourites. * Designed and manufactured by a team with decades of experience * Hand-selected by engineers—only the top tubes make the cut * Gold pins for durability and longevity * Substantially more consistent performance than New Old Stock * Unlike NOS and most other new production, covered by the Ray Tubes One Year Warranty Sound Characteristics The SELECT 300B captures the heart of what makes the 300B tube legendary—lush mids, graceful highs, and a coherent, musical bass foundation. * Bass is controlled and cohesive, with moderate extension and just the right amount of body. Ideal for genres like acoustic, jazz, and classical. * The midrange is where the SELECT 300B truly excels. Rich, full-bodied tonal character with a touch of warmth. Vocals are especially well rendered, from baritone to soprano. * Delivers the characteristic smoothness of the 300B, with a layered treble extension and a natural sense of sparkle. A soft warmth in the upper register gives strings and female vocals a refined presence.

Technical Specifications * Tube Type: 300B * Tube Socket: 4-pin Filament (Heater) Ratings * Filament Voltage: 5 V * Filament Current: 1.2 A Maximum Ratings * Plate (Anode) Voltage: 480 V * Plate Dissipation: 40 W Typical Operating Conditions * Plate Current (Self-Bias): 100mA * Plate Current (Fixed Bias): 70mA Interelectrode Capacitance at Zero Bias * Input Capacitance: 9 pF * Output Capacitance: 4.3 pF * Transfer Capacitance: 15 pF Static Characteristics (under typical conditions) * Plate Current (Ia): 60 mA * Transconductance (Gm): 5.5 mA/V * Plate Resistance (Rp): 0.7 kΩ * Amplification Factor (μ): 3.85 * Output Power (Pout): 6.6 W Package Contents * Set of four, two or single vacuum tube * User handbook featuring burn-in guidelines * Certificate of authenticity and warranty