Vacuum Tubes

The all new TAD-EL84-STR Redbase brings together the best of both - the famous EL84-Cz and the EL84M. We opted for the thickest glass possible and the heaviest construction available, just like the Russian EL84M, and combined these features with the sonically most promising cathode plate options, in order to meet and exceed the tonal quality of the EL84-Cz especially with regard to its linearity over the entire frequency range. Finally we added the gold grid wire in order to improve overall reliability. The sound can be described as very harmonic in the middle and treble frequencies, without adding too much power to the bass. The result is the best EL84 in current production. Note: Due to its diameter of 22.5mm, the TAD EL84-STR does not fit into older Marshall DSL401 made till week #20 in 2014 and the UK made VOX AC15 TBX amplifiers from the same time period.

The all-new designed TAD 12AX7 / ECC83 Redbase is a miniature, high-mu twin triode with very good gain. These tubes are selected and recommended for guitar amps to improve overall responsiveness and dynamics. Because of its cathode-to-heater voltage-withstand capability, this tube works perfectly as a cathode follower. Best for thick, clean tones as well as for those modern preamps where a deep low end is required as well as for sounds requiring fat midrange, detailed airy top end and lots of power from the preamp. Recommended for all positions in medium gain amps or for V2+ positions in high-gain amps. For V1 in general but especially for high-gain amps or phono/audio-amps, we recommend the new 7025 / E83CC Redbase Highgrade T-7025-RB-TAD.

The all-new TAD 7025 / E83CC Redbase Highgrade is carefully selected for all the demanding gain stages in any guitar or headphone amp, tube microphones or the extremely sensitive phono preamp-positions in audio amplifiers. Tonally, this tube produces fine, airy, silky and pleasant highs, a complex and dense midrange with clarity and definition in the low end - providing maximum smoothness and zero microphonics. Great warm cleans and creamy overdrive. Fine, unobtrusive highs, complex, dense mids and clear real bass. Selected for demanding applications for maximum smoothness and zero microphonics - even with very sensitive input stages of high-gain amplifiers.

Large black plastic control knob with set screw and brass insert. This distinctive pointer knob is similar to the selector knobs used on original MiniMoog and Moog modular synths. It features a triangular pointer, a radial brushed metal top, and a line indicator. The large skirt has a diameter of 1.125 inches. Fits ¼” (6.35mm) pot shafts.

Filament type triode power amplifier. It is designed for service in the output stage of audio amplifiers where high output and low harmonic distortion is desired.

Beam power pentode featuring a remarkably high power sensitivity as an audio power amplifier. In Class A1 operation, it can deliver 4.5 watts of power with a B+ voltage of only 130 volts.

Miniature type pentagrid converter designed for use in low drain battery operated receivers.

Filament type triode power amplifier designed for service in the output stage of audio amplifiers where high output and low harmonic distortion are desired. Its ratings and characteristics are similar to those of the 2A3 and 6B4G.

Electro-Harmonix 6BM8 triode pentode tube. Made in Russia.
Contains one preamp triode and one power pentode in a 9 pin miniature package.

Heather cathode type tube consisting of two diodes and a triode in a single bulb. It is designed for use as a combined detector, amplifier, and automatic volume control.

Miniature, sharp-cutoff pentode designed for intermediate frequency amplifier service in television receivers. Features of the tube include high transconductance and separate base-pin terminals for the cathode and suppressor.

The Psvane ECC82 is a high quality, medium gain, dual triode. This tube has a noval base and is noted for its rich and dynamic sound. The Psvane ECC82 works well in any ECC82 / 12AU7 position. The Psvane Classic Series is focused on the reproduction of popular vacuum tubes found in classic audio equipment. When designing the Classic Series, Psvane collected the most sought-after NOS tubes and analyzed each element of their construction, incorporating the most effective manufacturing techniques to produce stable tubes with excellent sound. Whether used in guitar amplifiers or hifi stereo systems, the Psvane Classic Series vacuum tubes excel in all applications. Psvane has been producing high quality vacuum tubes since 2011. The Psvane team originally formed in Shuguang’s high-end tube division but eventually split off to form their own brand.

Miniature duplex-diode medium-mu triode in which separate cathode and plate connections are provided for each diode section. The tube is intended primarily as a combined synchronous detector and chrominance amplifier in color television receivers.

New Old-Stock (N.O.S.) tube. The 7189A is a power-amplifier pentode designed for use in the audio-frequency power output stage of television and radio receivers and high-fidelity amplifiers.
It differs from the 7189 in having a higher screen-voltage rating and in specifying the internal connections to pins 1 and 6.

Sovtek 12AX7WB dual triode.

The 6L6G is designed with high power sensitivity and high efficiency for service in the output stages of AC receivers. They are capable of delivering an output at all power levels with a very low percentage of harmonic distortion.

Pentode type amplifier tube with remote cutoff characteristics designed for use as a high frequency amplifier in radio receivers.

The JJ Electronic 5U4GB is an excellent choice for an economically priced tube rectifier. Used in many Hi-Fi and guitar amplifiers, JJ delivers a robust and solidly built tube. This full wave rectifier will work in any 5U4 application.

Heater-cathode type transmitting beam power amplifier in the 9 pin miniature construction. It is intended for use in compact, low-power mobile transmitters and in the low-power stages of larger fixed station transmitters.

Duodecar type used as horizontal-deflection amplifier in television receivers.

Miniature, medium-mu triode suitable for use in a wide variety of general purpose applications. It is especially useful as a local oscillator in high-frequency and very-high-frequency receiver circuits.

Beam-power pentode primarily designed for use in audio-frequency power-amplifier applications. It carries a 42 watt plate dissipation rating which provides for push-pull amplifier designs up to 100 watts output.

High-perveance beam power amplifier designed as a direct retrofit for the 6AR6 or 6098 in aircraft, military, and industrial applications

Combines two diodes and a high-mu triode using a common cathode. It is designed for service as a diode detector, AVC rectifier, and as a high gain resistance coupled amplifier in AC, storage battery, and AC - DC operated receivers.