Guitar Speaker Shootout between Pulsonic(Greenback), RIC1 (Creamback) and Kurt Mueller (Blackback) Cones -T1281, T1511, T1217 and T1221. This makes 4x3=12 principle combinations. There has obviously been more than 12 versions, for instance earlier Pulsonics had a lower wattage, other magnet weights and there has been some oddballs as well. But these are arguably the 12 standard G12M and G12H:s used throughout the 1970s. The amp is a 1977 Marshall JMP 2204 and the speakers are all sequentially mounted into the same Marshall JCM800 4010 Combo Cabinet. The spekaers are miked with a Peluso 2247 LE tube condenser microphone dead center 2 inches from the grill cloth. At 13 feet the room mike is 1960s BeyerDynamic M160 Ribbon microphone. The sound interface/microphone preamp is an Apogee Duet and the DAW is an Ipad with Cubasis. Recorded dry. Then guitar is a 2008 Gibson Les Paul 1959 Reissue VOS, R9 with stock Burstbucker I and II puickups. Full tone and volume on the guitar. I had the same settings throughout the whole test. They really clean up that good when hitting the strings softer, as was done on the neck part of the comparison. The Strings are D'addario 0.11-0.46