1 low noise tube) ECC81=12AT7 Fisher Telefunken <> bottom NOS 1964 good printing in white box, from bulk case of 100

Amplitrex Test Data:

1 section) 7ma Gm=4600

1 section) 11ma Gm=5900

Good Ma range 8-10ma

Good Gm range 4500-5500

Recommended for

– CJ PV10A
– VTL
– Manley audio gear
– Manley Reference Cardioid mic
– Atma-Spere Preamplifier MP-1 Mk. III
– Lector CDP0.6T
– Berning

– MXL V69 mic Mogami Edition
– Audio Experience Balanced A2
– mics
– Art Pro VLA II
– Monarchy SE250