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Electro-Harmonix 6550 Audio Tubes - www.thetubestore.com

    https://www.thetubestore.com/electro-harmonix-6550
    This is the latest 6550EH tube for home audio amps from Electro-Harmonix. The Electro Harmonix 6550-EH tubes have excellent linearity, power handling …

Electro-Harmonix 6550 - Upscale Audio

    https://upscaleaudio.com/products/electro-harmonix-6550
    Electro-Harmonix 6550 This is a great tube. Again, we are very conservative, having seen the "hot new tube" being to too cool. These have been tested in real-world conditions and they have proven to be a great tube, so you can relax and get back to playing your Norman Greenbaum. Pricing above includes matching in any quantity you need at no extra charge. All power tubes are …

Has anyone used the Electro Harmonix 6550 tubes

    https://forum.audiogon.com/discussions/has-anyone-used-the-electro-harmonix-6550-tubes
    I had changed to the Tung Sol in my VTL ST 150, and after some run time they were a little "fatter" sounding than the SED winged C's I had from new. The 185 Signature mono's are a little leaner sounding out of the wrapper than was my ST 150, but the bottom end is very deep, as is the high end very high, and the 6550EH tubes do a very nice job ...

What’s the Best 6550 Tube? (Reviews and Buying Guide ...

    https://sonoboom.com/best-6550-tube/
    Tung-Sol 6550 gives superior test results and is available at a favorable price, making it a popular choice for amplifiers that utilize 6550 or KT88 tubes like Jadis, Audio Research, Sonic Frontiers, VTL, and Rogue, etc. It is a replica of the type 3 original Tung-Sol …

6550 Tube Selection Guide - Tubes for Amps

    https://www.tubesforamps.com/6550-tube-selection-guide
    Electro-Harmonix 6550EH. Electro-Hamonix 6550EH comes in the same bottle as KT88EH. Despite being very similar to KT88EH, 6550EH does not handle quite as much power since it lacks the thermal fins that are found on KT88EH. Sonically, 6550EH is very similar to KT88EH. 6550EH does very well in bass amps. In audio amps, it has good amounts of high energy and deep …

Vacuum Tube - 6550, Electro-Harmonix | Antique …

    https://www.tubesandmore.com/products/vacuum-tube-6550-electro-harmonix
    Superior high-power Octal Beam Tetrode, suitable for any amp using 6550 or KT88. Designed to hold up in even the most punishing environment of high powered bass amps, such as Ampeg SVT. With 42 watts of plate dissipation in tetrode operation and 44 watts in triode, power is improved even over desirable vintage types.

6550 Amp Tubes Audio Valves Melbourne Australia New ...

    https://www.thevalvestore.com.au/16-6550
    The 6550 is a popular valve often found in HiFi and Guitar valve amplifiers such as Audio Research, Conrad Johnson, Fender, Marshall and Ampeg. MATCHED QUADS - IN STOCK - FAST SHIPPING - AUSTRALIA and NEW ZEALAND. A close relative of 6L6, KT88, KT90, KT120, KT150, they are interchangeable in many instances. Current production Electro Harmonix, T...

www.thetubestore.com - Tubes with part numbers …

    https://www.thetubestore.com/power-tubes/6550-tube-types
    We have a large selection of 6550 vacuum tubes in stock. Here you'll find tubes by TungSol, Sovtek, Electro Harmonix, Winged "C"/SED, JJ Electronic, and Svetlana. Many of the 6550 vacuum tubes listed below have tube reviews submitted by our customers. You will also notice we indicate the Top-Sellers for the 6550 audio tube.

What’s the Best KT88 Tube? (Reviews-2022) | …

    https://sonoboom.com/best-kt88-tube/
    The biggest advantage of 6550 is its stability. These are long-lasting and can operate without any damages. However, they have a slightly low overall output. Conclusion: The Best KT88 Tube Is… KT88 tubes are long-lasting and considered the best sounding tubes across the entire frequency range. These are more realistic and have improved clarity.

Audio Research VT100 MKII Tube Power Amplifier! For Sale ...

    https://www.canuckaudiomart.com/details/649587546-audio-research-vt100-mkii-tube-power-amplifier/
    The full inspection, cooling fan upgrade, cleaned the tube sockets, tubes replacement (8 new Electro-Harmonix 6550 + 8 Electro-Harmonix 6922) and the bias adjustment was done by Audio Research for original owner in the September 2018. This VT100 MKII in excellent condition! Superb and warm sounding amplifier! Technology & Construction:

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