Showing 1–20 of 49 results
No products in the cart.
NOS Vacuum Tubes for Sale | Tubes Unlimited
#1 ONLINE Source for NOS Vacuum Tubes
We were lucky enough to get one piece of very lightly used Cetron 845 built in the 49th week of 1978. It actually tests brand new on our Amplitrex AT-1000 at 97.6mA (97%) and 3.08 gm (102%). The tube has little to no use and has excellent flashing but was placed into equipment at some time. An excellent value at $1199.99 Recommended for Magnetic LM-845, Designs — 845 SE, Mastersound Compact 845, Thomas Mayer amps, Cary CAD-211AE etc Click for 845 specs: 845 data sheet
This is a suitable replacement for any 5998=421A=6AS7G=6080 Dual Power Triode tube type. Various brands available. $19.99
1 pcs available- Heavy duty military construction 6080wc=ruggedized 6AS7G. $39.99 each
NOS GE VT-25 10 tubes Made in WWII these USA VT-25 tubes are excellent for: Audio Note amplifiers like the Kegon, Gaku-On, Baransu, Kageki etc. At Tubes Unlimited we had the opportunity to roll many pairs through a set of Audio Note Kegon monoblocks. We discovered the perfect range of current (mA)draw which resulted in the widest open sound stage! Tested, matched, and screened on our Amplitrex AT-1000 testing system, and then additionally tested for gas, shorts, leakage, and transconductance on our computerized and calibrated Hickok 118B. GE 10 VT-25 are $99.99 per tube, matched pairs just $199.99 per pair. This is a suitable replacement for any Type 10 = 10Y = VT-25 = UX-210= CX-310 = 210T Power Triode tube type.
NOS Hytron VT-25 10 tubes Made in WWII these USA VT-25 tubes are recommended for: Audio Note monoblock amplifiers: Kegon, Gaku-On, Baransu, Kageki balanced and others. At Tubes Unlimited we had the opportunity to roll many pairs through a set of Audio Note Kegon monoblock amplifiers and we discovered the perfect range of current (mA)draw which resulted in the widest open sound stage! These are an excellent investment for your system. All pieces are thoroughly tested, matched, and screened on our Amplitrex AT-1000 testing system, and then additionally tested for gas, shorts, leakage, and transconductance on our computerized and calibrated Hickok 118B. If you own an Audio Note monoblock amp, please let us know and we will provide pairs within the sweet spot range! We have a very limited supply of these Hytron vt-25/10 pieces of these in stock. Hytron 10 VT-25 are $119.99 per tube, matched pairs just $239.99 per pair. This is a suitable replacement for any Type 10 = 10Y = VT-25 = UX-210= CX-310 = 210T Power Triode tube type.
NOS Penta branded 2A3 Tubes supplied in white US military boxes circa 1987. $99.99 per tube. $10 extra per tube for matching
We obtained over 150 pieces of these NOS Penta 2A3 tubes. They are in white US military boxes and are Penta branded circa 1987. For precision matched pairs or quads simply enter qty 2 or qty 4 and check the matching box before adding to your cart($10 extra per tube for matching). $99.99 per tube while supplies last!!! All tubes are tested and matched on our Amplitrex AT-1000 and computerized Hickok 118B.
Follow Us