Product reviews:
Isidore
2025-04-13 iphone 8
TUBE 26 x 2.25/2.35/2.50, 57/64-559 FV 40 mm 27.5 1.75 tube
27.5 1.75 tube
Tobias
2025-04-05 iphone 6s Plus
6H6p Tube Preamp Schematic 27.5 1.75 tube
27.5 1.75 tube
Parker
2025-04-08 iphone Xs
27, Tube 27; Röhre 27 ID2659, Triode, vacuum 27.5 1.75 tube
27.5 1.75 tube