Pre-Amp Tube Corresponds to ECC83 Unique spiral filament eliminates the filament-to-cathode induced hum common on amps that use AC on thomann the filaments Especially for input stages
Groove Tubes are the tubes that come as standard equipment on every Fender® Tube Amplifier that leaves the factory.Improved harmonic balance, Designed for long-lasting use,Matched gain to distortion ratio; wider frequency response
Groove Tubes have improved harmonic balance, longer life, matched gain to frequency response ratios and require no rebiasing when replaced in color-coded sets. Red - clean; blue - dirty; white - medium.
Beam power tetrode with a specially developed cathode coating, careful alignment of the grid, tri-alloy plate material for flawless performance up to 475 volts. Perfect for high plate voltage amplifiers like the Fender Deluxe Reverb.
La serie Sovtek EL84 produce una distorsione imbattibile, morbida e calda. Sostituzione eccellente per amplificatori d'epoca come VOX AC-30 e simili, le Sovtek EL84 sono utilizzate da Fender, Crate e Peavey.
The JAN Philips 12AT7WC / ECC81 tube is a high quality military pre-amp tube that is preferred for guitar amps and high end audio. The JAN Philips 12AT7-WC is durable, reliable and provides great bang for the buck value.The 12AT7 tube type is equivalent to the European ECC81 tube and can be used in any 12AT7 or ECC81 circuit.