The 6134/6AC7WA is a miniature power pentode tube manufactured by RCA. It has a 9-pin base, and is similar in size to a 6L6, but with a thinner profile. The 6134/6AC7WA features an anode voltage rating of 285 V and a maximum anode dissipation at 250 mW. It is capable of providing 60 mA of DC current and has a 300 V DC Grid-1 voltage rating. This tube was commonly used in vintage amplifier circuits, providing a high gain and good linear response.