(!!!!!) (Holland Single) 12AU7 Pope Holland NOS 1971 dimpled disc halo (12/13.4ma)

1 low noise tube) 12AU7 Pope Holland NOS 1971 dimpled disc halo

1 section) 12.0ma Gm=2400

1 section) 13.4ma Gm=2500

– similar sound to 7316 Philips SQ Holland

– very good detail and upper mid presence and good bass

Tested on Amplitrex

Good Ma range 8-10ma

Good Gm range 1800-2200

recommended for:

– 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

– Ashdown Little Bastard 2010
– BK Butler Tube Driver

– Sonny Jr. Four-ten / Customized Harp Amp
– Conrad Johnson PV 10AL 1993