(!!!!) (Bugle Boy Single 1958) 12AU7 Amperex Bugle Boy Holland long plates with "D" getter 1958 used/good (7.8/7.0ma)

1 low noise tube) 12AU7 Amperex Bugle Boy Holland long plates with "D" getter

1958 (delta8L) used/good 

1 section) 7.8ma Gm=1700

1 section) 7.0ma Gm=1600

Matched on Amplitrex

Good NOS Gm range 1800-2200

Good NOS Ma range 8-10ma

recommended for:

Conrad Johnson PV12

VAC PA100/100

Wavac pr-t1 preamp 

Audio Note M1 preamp

Octave HP500SE (Germany)

VTL TL 7.5 MKII preamp 

Audio Note M8 

Rogue Cronus

Concert Fidelity 

Audio Valve Eklipse linestage