Up for sale here is a powerful SWR pro bass head for your bidding pleasure..It is a HYBRID,with a 12AX7 tube preamp and 500 watt stereo/bridgeable solid state power amp section..SWR is abbreviation for the late Steve W. Rabb, who started the Acoustic Control Corporation best known for their legendary Acoustic 361 and 371 bass rigs that ruled the stage from the late 60s thru mid 80s! Will be carefully packed and shipped to any Ebay confirmed shipping address in the US LOWER 48 ONLY(No PO box addresses),after PayPal pmt is confirmed receivable (due immediately after the sale)..No Returns, except not as described only (notification within 3 days of delivery confirmation required)..Thanks for looking,and HAPPY BIDDING!