- Replaces power stage tubes of type 6L6GC, 5881, EL34 and 6V6GT with EL84 tubes - The EL 84 is used in pure Class A mode - 2x PEN-Tone Pentode incl. selected pair of TAD EL84 tubes - Power (per adapter): 7-9 W - Made in Germany EUR 127.00 - See more - Buy online