(!!!!!) (Best Overall Pair) GL-6072 GE 5 star triple mica black plates "D" getter halo like new 1954-1955 (2.9/2.9ma and 2.9/3.1ma) (same Gm) (AKG, Tele 251, Peluso, Rode)
1 low noise pair) GL-6072 GE 5 star triple mica black plates "D" getter halo like new
1954-1955 good printing
1 section) 2.9/2.9ma Gm=1700/1700
1 section) 2.9/3.1ma Gm=1700/1700
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




