Sold in quantities of (4) four - 

"Apex Matched & Tested". Use these in the ST-35 Dynakit / Dynaco Tube Amplifier. Super rich tonality. Charming and detailed presentation. Great sounding and reliable reputation. One of the best EL84 tubes you can buy.

Sold in quantities of (4) four - 

"Apex Matched & Tested". Use these in the Dynakit / Dynaco ST-35 Tube Amplifier. Mullard reissue EL84. Copy of the original. Black plates, carbonized screens, and gold plated grids. This tube was the mainstay of affordable quality hi-fi amplifiers of the 1960s. Buttery throughout the audio spectrum, my personal favorite current production tube for the ST-35.

Sold in quantities of (4) four - 

"Apex Matched & Tested". The Tung-Sol EL84 / 6BQ5 was a popular OEM tube for American-made EL84 / 6BQ5. Due to its rugged construction and conservative ratings, it is a very reliable EL84 for the ST-35 amplifiers. In addition, its linearity and tone characteristic make it ideal for the Dynakit / Dynaco ST-35. An awesome choice, it's a great tube.

Sold in quantities of (4) four - 

"Apex Matched & Tested". Use these in the ST-35 Dynakit / Dynaco Tube Amplifier. The JJ Electronic EL84 is a solidly built EL84 / 6BQ5 with excellent tonal qualities. JJ’s rugged construction offers high reliability without compromise to the sound. Solid lows with warm bright mids and shimmery highs. 

Sold in quantities of (4) four - "Apex Matched & Tested". 

Use these in the Dynakit / Dynaco ST-35 Tube Amplifier. The Psvane EL84 is a high quality output pentode. It has a  maximum plate power of 12W.  I love the classic sound of this tube, it is an excellent choice for the ST-35. This EL84 is focused on the sonic reproduction of popular vacuum tubes found in classic audio equipment. When designing the Classic Series, Psvane collected the most sought-after NOS tubes and analyzed each element of their construction, incorporating the most effective manufacturing techniques to produce stable tubes with excellent sound. 

Sold in quantities of (4) four - "Apex Matched & Tested". 

Use these in the Dynakit / Dynaco ST-35 Tube Amplifier. Apex matched, tested and burned in for quality assurance. Super premium EL84 power pentode, possibly the highest quality in current production. Perfect for the ST-35. Super rich sound throughout the entire range. Big lows, crisp midrange and crystal clear highs. Wow, love this tube.

Sold Only in Pairs. 

These are made in Slovakia & sound awesome in the ST-35. 

Meaty and articulate with great low end. Combines one triode of 12AX7 and one triode of 12AU7 in a dual triode package. 

Gold pins for excellent electrical contact and corrosion resistance.

Sold Only in Pairs. 

Rich and detailed with plenty of sparkle. 

Combines one triode of 12AX7 and one triode of 12AU7 in a dual triode package.

Sold Only in Pairs. 

Very musical and detailed with great harmonics. 

Combines one triode of 12AX7 and one triode of 12AU7 in a dual triode package.

Sold Only in Pairs. Highly musical and detailed with rich harmonics. These are new unused tubes in their original boxes. Exceptional tone and clarity, rugged construction from the good old days. Combines one triode of 12AX7 and one triode of 12AU7, a dissimilar dual triode package. Made in USA.

Note: subject to availability.