MULLARD 12AX7/ECC83 * MATCHED TRIODES - $21 - (Concord, NH)
MULLARD 12AX7/ECC83 * MATCHED TRIODES QTY = 1 * New (Gain Tested) Mullard 12AX7/ECC83 Preamp Tube with Matched/Balanced Triodes (AKA: Driver Tube) * SilkScreen = White Label - Mullard 12AX7/ECC83 * Ribbed Grey-Plates. Halo Getter. Smooth Glass Top. Mullard Reissue. Made in Russia. Medium/High Gain * Tested on a Vacuum Tube Valley VTV Dual Triode Characterizer. Each Triode is tested for Quality, Gain and projected useful Life * Gain Test Results = Where 100 is the Minimum/Standard Gain for a New 12AX7 * Tube 1 = 113/113 (With Matched Triodes = Smooth - Balanced Tone with Added Sustain) * Test Results = The higher the number the greater the amplification. Think of this as the strength/output of each Triode. Higher numbers will push your preamp harder, giving you more Gain, punch and volume. This tester is Extremely Accurate - It was specifically Designed with a 12V Heater to Test Medium-High Gain preamp tubes at Real Amplifier Voltages. New Production and NOS Vintage Triodes generally gain test in the 100-120 Range ~ Original Mullard "The Master Valve" Retail Tube Box included w/test results printed inside the inner top box flap (Removable White Sticker) * Warning - Pictures + Title & Text are Property of WebLine Music - Do Not Copy - Do Not Use - Thank You!!
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From ebay.com - 1 month ago