Blackjack™: 2 x 6V6 Watts Class AB 3 x 12AX7 Preamp tubes. K views · 5 years ago. Today we take a look at the Fuchs Blackjack 21 amp Support us on Patreon! / zimmsguitars. Wondering if anyone has seen the insides of a Black Jack 21 MKII and how close it is to an ODS circuit? The price is nice and they seem to. 21 watts of classic rock and blues tone take you from studio to stage, night after night. With a non-master volume clean channel and overdrive channel with input gain control, the Fuchs Blackjack 21 lets you dial in a perfect amount of tube grit. Fuchs Blackjack 21 Demo. Many boutique amps are over $2,, but the Blackjack head can be had for around $, but is. The Blackjack 21 MKII is powered by 2 x 6V6 tubes and 3 x 12AX7 Preamp tubes. Fuchs Audio Technology Casino Blackjack 21 Watt 1x12" Tube Guitar Combo Amp · Watts: 21 Watts of Class AB power · Tubes: 2 x 6V6 Watts Class AB, 3 x 12AX7. . At 21 watts of tube power, this amp can handle studio and stage volume. Pair the head up with one of our. . The Blackjack is one of our best selling amps in our companies history. Fuchs black Jack 21 MKII Play through with a Fender Strat and a PRS S2 Signal chain- x2 Marshall 4x12's mic'd with a Shure Sm 57 and an AEA. Available as a head, or combo. This amp hits a nice sweet spot between tone and affordability. The 12”.