| Vacuum Tube - 50C5, Beam Power Amplifier Miniature beam pentode primarily designed for use in the audio-frequency power-output stage of radio receivers. The tube features high power sensitivity and high efficiency at relatively low plate and screen voltages | $24.90 | Click to read more |
| Vacuum Tube - 6AN8A, Triode, Pentode Medium mu triode and a sharp cutoff pentode. The pentode section may be used as an IF amplifier or a reactance tube; the triode section is well suited for use in low-frequency-oscillator, sync clipper, sync separator, and phase splitter circuits. | $15.90 | Click to read more |
 | Vacuum Tube - 6SL7GT, Sovtek | $13.95 | Click to read more |
| Vacuum Tube - 12SA7, Heptode Pentagrid converter designed to minimize frequency drift. They are intended for service as combined oscillators and mixers in AC, storage battery, and AC/DC operated superheterodynes. | $8.90 | Click to read more |
 | Vacuum Tube - 5881/6L6WGC, Sovtek The 5881 is a very reliable tube that is widely used in many current production tube amplifiers.
It has a warm tone with good 'bite.'
This modern version is able to tolerate higher voltages than its 5881 / 6L6 cousins.
The Sovtek 5881 delivers a warm, round tone that "sweetens" any vintage or modern guitar amp design. Built to rigid military standards, the 5881 will tolerate higher voltages than any other 6L6. In fact, they're frequently used as replacements for the old 7027 model in vintage Ampegs. Extremely consistent from piece to piece. | Starting at $16.95 | Click to read more |
| Vacuum Tube - 6SK7, Pentode, Remote Cut-Off, RF Remote-cutoff pentode. It is designed for use as a high-gain radio-frequency or intermediate-frequency amplifier in a radio receiver. | $6.90 | Click to read more |
| Vacuum Tube - 1T4 / DF91, Pentode, Remote Cut-Off Miniature remote-cutoff pentode designed for use as a radio-frequency or intermediate frequency amplifier in compact, battery-operated equipment. | $4.90 | Click to read more |
 | Vacuum Tube - 6550, JJ ElectronicsThe JJ Electronic 6550 is a robust tube built in the rugged fashion that JJ is famous for. At 35 Watts, these tubes have a warm round tone with a thick and defined low end. The JJ 6550 is an excellent choice for bass heads, tube organs, and Hi-Fi amplifiers.
| Starting at $36.95 | Click to read more |
 | Vacuum Tube - 12AU7A / ECC82, Electro-HarmonixElectro-Harmonix 12AU7A / ECC82 Vacuum Tube Medium-Mu twin triode for use in preamplifier and driver circuits.
| $13.95 | Click to read more |
 | Vacuum Tube - 7591, JJ ElectronicsThe JJ Electronic 7591 is a reliable and accurate reproduction of the classic tube. This 19 Watt pentode has been used in a variety of amplifiers including Hi-Fi amps and Ampegs. The JJ 7591 is a great replacement for any 7591 tube position.
| Starting at $17.95 | Click to read more |
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