Philips Mullard, Miniwatt EL34 6CA7 Audio output valves dual "D" getters used

Quad set of Philips Mullard Miniwatt EL34, 6CA7's, Pentodes. Used -Circa 1950/60's

A rare opportunity to secure 4 x EL34, Philips/Mullard Miniwatt made in Great Britain, Dual "D" type getters Audio Pentodes used, tested. These are the highly sought after, 1950/60's EL34 's with dual 'D' type dual getter's and smooth plate. All four feature makings and date codes- xf?X9G, xf?X9L,xf?X9L and x??X9L, All have been tested and test OK. Musically they are some of my favorites, lush, warm, detailed and deep bass and above all the look wonderful in early HiFi amplifiers. Tested for emission, leakage and Mutual Conductance. Tube 1) Ip= 110mA, gm=11.8mA/V. Tube 2) Ip=89mA, gm=11.5mA/V. Tube 3) Ip= 60mA, gm=6.5mA/V and tube 4) Ip= 58mA, gm=6.5mA/V. A 'new tube' should indicate Ip=75mA, gm=11.0mA/V. Test conditions' Va=250V, Vs=250V, Vg=-13.5v, Vf=6.3V.Will ship anywhere in the world for between $20-$35 depending where your located. Please checkout my other auctions for equally rare vintage tubes.