CHALLENGER 400

(upgrade version 2004)

prinzip:                        symetrical push-pull power amp with parallel-symetrical-cross-coupled input - and driver stage.

tubes:                          2*6189, 1*12AX7, 1*EM 80-mag. -eye, 12*beam power pentode  example: KT 88, EL 34, 6550 …..

operate:                       class - A

                        power output:              480  watt sinewave, 650 watt peak (KT 88, or 6550))

                        power consumption:     1 kVA (max. 2000 Watt, - Stand by mode - 200 Watt

                        max. short circuit                            

                        current:                      120 ampere between 2 ohm terminals

                        input sen.                    0 dBm

                        input  imp.                  2 * 47K

                        output imp:                 2-4-8 ohm

                        coonectors:                 XLR & RCA input-jacket

                        power                         bandwide with load:       3-45.000 hz , (4 ohm terminal on load)

                        distortion:                  0,5% - 100 watt, 2%  - 450 Watt

                        max. cap.- load          15 uF

bias:                          autom. contolled BIAS with "ABR"  for all  power tubes

                        size:                           75*42*38 cm, D-H-W

                        weight:                       65 kg

                Stand-by mode:          switchable

 music activity controlby magic eye

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