(!!!!) (Best Bugle Boy Single 1959) 12AU7 Amperex Bugle Boy England (Mullard) long plates with "D" getter like new 1959 (12.4/9.8ma)
$229.99
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1 low noise tube) 12AU7 Amperex Bugle Boy England (Mullard) long plates with "D" getter like new 1959 good printing in white box (K61-R9F=1959) 1 section) 12.4ma Gm=2100 1 section) 9.8ma Gm=2000 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
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