RAM Tubes Online Store › RAM 5AR4 RAM 5AR4 $35.00 The RAM 5AR4s are a copy of the famous Mullard 5AR4. These work well in higher power amplifiers such as Dynaco. Quantity: ADD TO CART Added! The RAM 5AR4s are a copy of the famous Mullard 5AR4. These work well in higher power amplifiers such as Dynaco.
