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Home > Tubes by Brand > BLACK SABLE Cryogenically Treated Vacuum Tubes

The BLACK SABLE process is far more than putting tubes in a chamber and lowering the temperature. The BLACK SABLE process starts with tube selection. Only the best preamp, power and rectifier tubes are chosen to undergo this arduous process. All tubes undergo a 24 hour burn-in under load. The tubes are then placed in the Cryo-Processor where a computer-controlled proprietary system lowers the temperature to -300 Fahrenheit / -184 Celsius for 24 hours and then slowly ascends back to room temperature. Preamp tubes are tested and rated for Gain, Microphonics and Noise. Next, all 7/9 pin tubes have their pins cleaned for a better electrical connection. Power tubes are matched to within 3% for both Ip (Plate Current) and Gm (Transconductance). No other cryogenic process comes close. When only the best will do, choose BLACK SABLE.

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What People are Saying



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BLACK SABLE SED 6L6GC
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Price is for a Matched Pair
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BSCT-6L6GC-SEDpad$84.95pad
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BLACK SABLE SED EL34
padBLACK SABLE SED EL34
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Price is for a Matched Pair
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BSCT-EL34-SEDpad$84.95pad
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BLACK SABLE SED 6550C
padBLACK SABLE SED 6550C
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Price is for a Matched Pair
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BSCT-6550C-SEDpad$109.95pad
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BLACK SABLE SED KT88
padBLACK SABLE SED KT88
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Price is for a Matched Pair
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BSCT-KT88-SEDpad$154.95pad
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BLACK SABLE Mullard ECC81 / 12AT7
padBLACK SABLE Mullard ECC81 / 12AT7
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Price is for a Matched Pair
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BSCT-ECC81-MULLARDpad$149.95pad
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BLACK SABLE JAN Philips 12AT7
padBLACK SABLE JAN Philips 12AT7
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Price is for a Matched Pair
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BSCT-12AT7-JANPHILIPSpad$99.95pad
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BLACK SABLE Mullard ECC82 / 12AU7
padBLACK SABLE Mullard ECC82 / 12AU7
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Price is for a Matched Pair
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BSCT-ECC82-MULLARDpad$199.95pad
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BLACK SABLE<Br>Mullard ECC82 / 12AU7 1950's
padBLACK SABLE
Mullard ECC82 / 12AU7 1950's

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Price is for a Matched Pair
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BSCT-ECC82-MULLARD50Spad$499.95pad
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BLACK SABLE RCA 12AU7 Clear Top
padBLACK SABLE RCA 12AU7 Clear Top
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Price is for a Matched Pair
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BSCT-12AU7-RCA-CTpad$149.95pad
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BLACK SABLE Mullard ECC83 / 12AX7
padBLACK SABLE Mullard ECC83 / 12AX7
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Price is for a Matched Pair
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BSCT-12AX7-MULLARDpad$379.95pad
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BLACK SABLE<Br>Raytheon 12AX7 Black Plate
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Raytheon 12AX7 Black Plate

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Price is for a Matched Pair
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BSCT-12AX7-RAYTHEONpad$329.95pad
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BLACK SABLE GE 12AX7 Long Plate
padBLACK SABLE GE 12AX7 Long Plate
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Price is for a Matched Pair
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BSCT-12AX7-GE-LPpad$299.95pad
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BLACK SABLE RCA 12AX7
padBLACK SABLE RCA 12AX7
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Price is for a Matched Pair
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BSCT-12AX7-RCApad$329.95pad
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BLACK SABLE Tung-Sol 12AX7
padBLACK SABLE Tung-Sol 12AX7
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Price is for a Matched Pair
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BSCT-12AX7-TSGpad$99.95pad
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BLACK SABLE Sovtek 12AX7LPS
padBLACK SABLE Sovtek 12AX7LPS
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Price is for a Matched Pair
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BSCT-12AX7LPS-SOpad$49.95pad
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BLACK SABLE JAN Philips 5751
padBLACK SABLE JAN Philips 5751
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Price is for a Matched Pair
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BSCT-5751-JANPHILIPSpad$99.95pad
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BLACK SABLE Mullard E88CC / 6922
padBLACK SABLE Mullard E88CC / 6922
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Price is for a Matched Pair
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BSCT-6922-MULLARDpad$399.95pad
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BLACK SABLE RCA Clear Top 6CG7
padBLACK SABLE RCA Clear Top 6CG7
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Price is for a Matched Pair
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BSCT-6CG7-RCA-CTpad$149.95pad
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For maximum performance and longevity, vacuum tubes should always be stored and transported in a safe and secure fashion. The TubeCube and the TubeCube Pro provide a customizable shock-resistant environment for your tubes and helps prevent them from becoming microphonic or damaged.

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