Audio Tubes Direct is an Authorized Tung-Sol, Electro-Harmonix, Genalex, Mullard & Sovtek Dealer. We have over 4000 successful transactions on multiple websites with a 100% feedback rating. Platinum (Factory) Matched refers to tubes tested and matched by the manufacturer. They are guaranteed from the manufacturer to be new and free from any defects in materials or craftsmanship and are backed by our 30 Day Warranty.

• This set includes (4) Platinum Factory Matched Mullard EL84 power tubes
• (1) Mullard 12AX7 pre-amp tube
• (1) Balanced Mullard 12AX7 pre-amp tube (PI)
• (1) Tung-Sol 12AX7 pre-amp tube (CF)

This set includes (4) Platinum Factory Matched Mullard EL84 power tubesNew Sensor Corp.