I have one SVS 20-39cs+ subwoofer with Samson 1000 amp for sale. It is about 9 months old and in great condition. The amp does have a few minor marks on top but the face is in excellent shape. The manuals, port plug and original box are included along with the upgraded Better Cable RCA to ¼” amp...
Jeff,
Don't feel alone. I am in the same situation. I have a Yamaha 5280 paired with a Samson 1000 amp and SVS 20-39CS+ sub. I can barely get the sub calibrated with the Avia test disk even with the Samson amp gain all the way up and the sub line-level of the Yamaha all the way up (at 0dB)...