The ultimate expression of the art. Line pre-amplifier with output transformer.The JP500 is an absolitly no compromise unit at the service of music reproduction. Built-in balanced and unbalanced capability. 14dB of gain, 6 line inputs, 2 outputs. Bandwidth 20 Hz - 50kHz. Tube complement: 6 ECC82, 2 ECC83, 2 EF86, 6 EL84. A switch allows the user to change the abolute phase to his convenience.