(!!!!!) (Best Pair #1) GL-6072 GE 5 star triple mica black plates "D" getter halo 1953 low hours/test like new 1953 (3.0/3.6ma and 3.1/3.0ma) (same Gm) (mics, Audio Note, phono)
1 low noise pair) GL-6072 GE 5 star triple mica black plates "D" getter halo 1953 low hours/tests like new reboxed - same Gm
1 tube) 3.0/3.6ma Gm=1800/1800 faded printing - on right
1 tube) 3.1/3.0ma Gm=1800/1800 fairly good printing GE LEAR - on left
Tested on Amplitrex
Vplate=250V
Vgrid=-4V
Good Ma range = 2 - 3ma
Good Gm range = 1500-1700
- sE Electronics Z5600a II Tube Microphone
- Fender Bassman 1953
- Korby Kat
- Telefunken 251
- Silvaweld SWC 450 preamp
- Peluso P12 mic
- Kondo M-1000 and Kondo KSL-M77
- Kondo Kassai Silver amp
- Kondo KSL-Kegon Power Amplifier
- Avantone cv12
- Rode mic (Classic I)
- Audio Note L3 phono
- Ongaku
- AKG C12 1950's
- AKG C12 VR
- Soundelux U95
- Soundelux E251C
- Soundelux ELUX 251 (recreates the sonic beauty of the Telefunken ELAM 251)
- Electronaut M63 mic preamp 2010
- Pearlman Microphones TM 250 (like E LAM 250)
- Lawson mic
- Chunger C12 clone
 (Best Pair #1) GL-6072 GE 5 star triple mica black plates "D" getter halo 1953 low hours/test like new 1953 (3.0/3.6ma and 3.1/3.0ma) (same Gm) (mics, Audio Note, phono)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/6_db01426a-8619-4a76-9f9b-338badf4dd7d.jpg?v=1791037214){kind=link}
 (Best Pair #1) GL-6072 GE 5 star triple mica black plates "D" getter halo 1953 low hours/test like new 1953 (3.0/3.6ma and 3.1/3.0ma) (same Gm) (mics, Audio Note, phono) "Pin It")