Find Reviews and Compare Prices for:       All ProductsGuitar Amplifiers     0.0 (0)   Add a review THD Univalve Rackmounted Guitar Amp Head Black   The THD UniValve Rackmounted Guitar Amplifier Head is a single-ended class A amplifier head with a single output tube that can be switched at will among many octal-based power tubes, including 6L6, EL34, 6550, KT90, KT88, KT77 and KT66, for ... Have a question? Just Ask! Member Reviews Compare Prices Product Spec Send to a friend Searched THD Univalve Rackmounted Guitar Amp Head Black in 150 stores, 0 results found Sorry - We couldn't find any stores offering this product. Please check again. Image Description   Store   Price You can also search these stores   Find this product on Amazon   Amazon.com   2 Store Reviews   Search on Amazon   Find this product on eBay   eBay   0 Store Reviews   Search on eBay Are we missing a store? Let us know! Something wrong in this page? Let us know! Related products: More Tube Amp Heads Guitar Amplifiers Other Guitar Amplifiers internal use: spec82 spec420 spec571