EVH Tone-Three Rare Vintage 1978Jan-12AX7WA-Sylvania Preamp Tube

EVH Tone Secret-Three Rare Vintage 1978 Jan-12AX7WA-Sylvania & Philips Guitar Tube Amp Preamp Tubes - One of EVH's Tone Secrets - Three Rare Vintage 1978 Jan-12AX7WA - Preamp Tubes Three Rare Vintage 1978 Jan-12AX7WA Guitar & audio amplifier Preamp Tubes - Note: These preamp tubes were made famous by Eddie Van Halen in 1978 , who used these exact preamp tubes in the V1 position on all his 1968 &2969 Marshall Plexi amps!! New In Box NOS 1978 - Test readings and labels on each box for each tube - Never used but tested 100% in my guitar amp before sale Tube store selling for -$175.00 USD each - my price -as listed for all Three rare vintage 12AX8WA tubes - ******** The JAN-12AX7WA (Joint Army-Navy, General Electric) is a highly regarded vintage 9-pin vacuum tube, often found in 1970s military and industrial inventory (including January 1978 date codes). It is widely sought after for its, warm, musical, and reliable performance in guitar and audio amplifiers. Key Features & Characteristics: Warm and Balanced: Known for a smooth, balanced tone, making it ideal for blues, jazz, and classic rock. Military Spec (JAN): Manufactured to stringent, durable specifications with high-quality control. Low Noise: Generally features low microphonics, which makes it an excellent choice for V1 (first preamp) positions in amplifiers. Construction: Typically features grey plates and sometimes thick white ceramic mica spacers, characteristic of 1970s US production. Applications: Perfect for vintage Fender, Marshall, and other tube amps that utilize 12AX7/ECC83 tubes, particularly for smoothing out harsh high-gain circuits. Authenticity Note: Genuine JAN-GE tubes from this era usually feature clear,, durable labeling with production date codes (e.g., 78-01 for Jan 1978) and often have "JAN" etched or printed on the glass.