Telefunken EL84 / 6BQ5 Power Vacuum Tube
We have very limited stock of NOS Telefunken EL84 / 6BQ5 vacuum tubes available now. Grey plate version with small halo-style getter, made in the 1960's. Note, all are branded “Sonotone” but are authentic, German-made Telefunken EL84 power tubes. The diamond molded into the bottom of the bottles is evidence of this.
A 1960s Telefunken EL84 vacuum tube is known for exceptional clarity and balance, with an articulate, finely detailed midrange that keeps chords and single notes clean and well defined. The high end is smooth, open, and airy, offering plenty of detail without harshness, while the bass stays tight and controlled. In guitar amplifiers, this results in chimey, piano-like cleans and a highly responsive feel to pick attack and volume changes. When pushed, breakup comes on later and remains refined, emphasizing harmonic complexity over raw grit. Compared to warmer Mullards or fuller-sounding RCAs, Telefunkens lean more neutral and precise, appealing to players who value nuance and definition.
EL84 Types
Other NOS TreasuresAdditional Information and Downloads
What does "NOS" mean, anyway?:
Commonly known as "NOS," the term New Old Stock simply refers to tubes that were made years ago but have never been used. Much like antiques, "NOS" tubes are currently not being manufactured and this means their supply is dwindling while the price continues to rise.
For most NOS tubes we have a variety of brands available. Typically these are the common brands such as RCA, Sylvania, GE, Raytheon, etc. However, there are instances where lesser known brands are in stock. If you have a particular brand you prefer you can simply request it in the Order Comment box when you place your order.
Warranty Information and Return Policy
Warranty Period: 3 monthsAll our tubes are guaranteed for 3 months from the date of purchase. (Any exceptions will be noted on that tube's Warranty tab)
If you receive a tube that does not perform to the manufacturer's specifications, please do the following:
- contact us to get a return authorization
- return it via regular mail within 90 days from when we shipped it, and we will provide an exchange or refund of the full purchase price of the tube.
Returns not related to warranty or defect will be considered at our discretion, and are subject to a 15% restocking fee.
We can not accept returns that don't have an authorization, are past 3 month, or are returned improperly.
These guidelines may be updated without notice.