Vintage 1960's Audio Tubes

Vintage 1960's Audio Tubes Introduction

Tube Rollers:12AU7 Direct Drop in mil spec/variants @ $90.00/m.pair On-line sales If you're a first time prospective purchaser with us, kindly read our CAM profile first As this should answer many of your concerns We do not ship to the USA as we only accept e-transfers and do not Paypal We do not offer telephone calls, certainly not long distance calls We prefer emails only please, as Dave is now speech impaired Free shipping anywhere within Canada on tube orders of $250.00 or more! Payable please only by EMT (Interac e-transfer) Best regards, stay safe and healthy with G-d's blessings! How do you know when your power tubes need replacing? A: These are the most common signs that tubes need replacement: Excessive noise (hiss, hum) including squealing or microphonic tubes. Loss of high end. ... A muddy bottom end; Sounds like there is too much bass and note clarity is lost. Erratic changes in the overall volume. ... The amp doesn't work! Crackling, squeals and feedback, excessive noise and muddiness or low output are all evidence of tube problems. Power tubes. The two main symptoms of a power tube problem are a blown fuse or a tube that begins to glow cherry red. Either are typically indicative of a power tube failure Tubes that have "set up" for a while often collect gas. This gas either comes from slow leakage through tube seals or outgassing of tube elements. This is the number one problem with old vacuum tubes. Another cause of leakage currents are deposits on the insulation inside the tube envelope. A tremendous reward awaits for tube rollers and for those desiring to enhance their tube systems sound with these vintage 1950-60's NOS tubes! Lush sounding tubes that will do wonders for your system and guitar tube amps! All these vintage tubes test in the high NOS range like new! There are always other fish in sea to sample, so do acquire a few amazing excellent condition pairs while still are available such as: NOS Jan-Philips 5814A-12AU7A tubes NOS ECC82 12AU7 triple mica black plate tubes Also many pairs of different brands of 5814A, 5963 6189W (12AU7) Tubes These NOS ECC82 / 12AU7 / 5814A / 6189 / 5963 tubes military spec desirable upgraded variant tubes available are: All 1954-65 12AU7 Tubes: ALLEN / BEKERMAN / h/p / MARCONI NATIONAL / RCA / ROGERS / SYLVANIA ECC82-12AU7 made in 1959 USSR by SYLVANIA ECC82A / 12AU7A ALLEN ORGAN GRADE -1958-9 GE 12AU7 -1956 GE 12AU7 -Baldwin 12AU7 factory select organ grade -Sylvania 12AU7A WA -RCA 5963A -Raytheon 12AU7A ECC82 / 12AU7 5963=12AU7 6189=12AU7WA 5814A / 12AU7A The 5814A is equivalent to a 12AU7WA, it is ruggedized and redesigned The filament current raised to 175ma per section versus 150ma per section for a 12AU7. 5814A are computer rated, 5814WA is ruggedized Medium mu twin triode; high-rel, computer-rated variant of 12AU7, as indicated by A suffix; increased heater current. Base: Noval, B9A Filament: Vf 12.6 Volts / If 0.175 Ampere / Indirect / Parallel / series AC/DC All 12AU7 tubes are rated Vhk=200V, 5814A tubes are rated Vhk=100V. All made in USA (1957-63) These are all excellent upgrade direct drop in variants for 12AU7 tubes, All tubes tested very strong on our B+K 747 tester Tubes all showed teat results between 2300 - 2450 where minimum on this tubes is 1175. Brand new tubes usually measure around 2200. No leaks or shorts. Tubes are matched with 7% or less! All single tubes from $50.00 each All matched pairs from $90.00 All tube orders of $250.00 or more includes free shipping to anywhere within Canada! On-line sales Payable please by EMT Best regards, stay safe and healthy with G-d's blessings!