Preamplifiers
Passive linestage
Passive Linestage
Black Box preamp
The Foreplay "Black Box"
Son of Black Box preamp
The "Son of Black Box"
Grounded Grid preamp
The "Grey Grid"
Grounded Grid preamp Mods
"Grey Grid" Modifications
Ugly Sod preamp
The "Ugly Little Sod"
Type 76 valve preamp
The Ugly Little Sod MkII
The "Ugly Little Sod MkII"
6SN7 Grounded Grid preamp