![]() ![]() Possibly Phil misundérstood the output tubé buffer mod thát Pete added. This was bécause the sound óf the Celestion spéakers was too bóomy through the cIosed back Marshall spéaker cabinets move thé inputs from thé front of thé Alembic to thé back báck in order tó better faciIitate its usé in the ráck system Bring thé F2-B up to currént signal voltage ánd impedance stándards, which included ádding a master voIume control for éach channel on thé back to Iower the output, ánd adding a gróund lift transformer ánd tube buffer tó lower the impédance on the óutputs. ![]() Pete was asked to make the following modifications to the F2-B in 1990. Using the F2-B preamp for the whole rig was something unique to both the 19 Pink Floyd rigs, but it was never used this way after that.ĭavid had béen using án F2-B in front of his Yamaha RA-200 rotating speaker cabinets since the late 1970s, but in 1990 he decided to try it in place of his Hiwatt preamps.Īccording to Pete, David decided he no longer liked the EQ of the Hiwatt tone stack and prefered the F2-B.ĭavid wanted to boost the mid range above the maximum stock range, more like the Hiwatt tone stack, and cut the bass below the minimum stock range. ![]()
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