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NOS in original boxes. Perfect for that 300B DIY amp! We have 4 pcs available. Just $68.99 per tube
Only 4 pcs left (2 matched pairs/will also work as a quad)Siemens Rohre E188CC 7308 Probably the best quality Drop In Replacement for the 6DJ8 E88CC tube available! These amazing tubes are known for their amazing soundstage and high fidelity. If you are an audiofile, you owe it to yourself to pick up a pair of these NOS tubes at an amazing price! Special price only $300 per tube!! This is a suitable replacement for any 6DJ8 tube type.
NOS Siemens ECC801s/E81CC Triple Mica. These are extremely neutral with a clean open clarity. Extremely low soundstage and transparent. We can provide extremely tight matching and noise screening for critical recording and Hifi applications Highly recommended for:
David Berning Quadrature Z amp
JC Morrison custom phono
This is a suitable replacement for any 12AT7 tube type. Various brands available.
New Arrival! Siemens E82CC Triple Mica, low noise special quality, made for German military use. This is a suitable replacement for any 12AU7 tube type. Various brands available.
Siemens Rohre E83CC Low Noise version, laboratory screened to be within 3dB theoretical noise limit of the 12AX7. These are the tube of choice for the most picky set of ears! Highly recommended for reording studios and audiophiles who demand a low noise floor! We have three different low noise grades (versions) of the Siemens E833CC. Please see the descriptions or contact to determine which is most suited to your particular application! Highly recommended for the Best Phono stages!!! If you have one of the following phono stages listed below, then you owe it to your self to get a pair of these: George Wright phono THD Plexi-50 MXL V69 Mogami Edition Tubetech CL1B Audio Thrills phono Veloce Audio Line Stage and Phono Amp MFA preamp Orange amps Pilot SP-210 preamp Jadis preamp AKG mic Bellari VP130 phono Lamm Industries ML3 Signature mono amps, Nagra PL-L preamp VTL 7.5 preamp Conrad Johnson Premier 15 phono preamp Jadis Aesthetix Diva Audio M7 preamp EAR 834P Se Electronics Z5600a II Tube Condenser mic
Special Reserve-Siemens Rohre E83CC Super Low Noise version laboratory tested so these are highly select,,, within 1dB of theoretical noise limit for the 12ax7. These are the quietest of the quiet. Extremely neutral and open soundstage! For super critical low noise applications such as recording, microphones, and phono stages.
" Joshua, love the Siemens E83CC tubes. Put them up against ribbed Telefunkens and Mullards M8137s and they came in on top! I'd like to purchase another matched and balanced pair to have as a backup. Thanks!" Carlos Lopez Wellington FL Siemens Rohre E83CC Made in Munich West Germany in 1977-1979, these are an excellent choice for audio hifi or guitar amps. Extremely low microphonics and huge wide open sound stage make these an excellent choice for the most finicky audiophile or guitar player. Known for their clear, transparent quality, the Siemens E83CC have unparalled detail, resolution, and a sweeet high end! All pieces are thoroughly noise tested and screened for microphonics, and then additionally tested for gas, shorts, leakage, and transconductance on our computerized and calibrated Hickok 118B. If you are an audiofile or musician, you owe it to yourself to pick up a couple of these NOS tubes! Tubes Unlimited has one of the largest known supplies left in the world of these amazing tubes, so we can offer unprecedented matching and noise testing! Considered to be THE "reference" 12ax7 by Audio Research Corporation. $129.99 each For lab screened low noise versions of this tube click here. For lab screened Super low noise version (quietest of the quiet!) of this tube click here
Audion for use in their high end tube amplifiers EC806S = 6CM4 = CVX100 EC806S Triode tube type.
This is a suitable replacement for any 6BL8=ECF80 Triode=Pentode tube type. Various brands available.
This is a suitable replacement for any 6BQ5 = EL84 = CV2975 = E84L = 7189 tube type. Various brands available.
This is a suitable replacement for any EM84=6FG6 tube type. Various brands available.