They make this Supernova head which is super expensive too, but extremely good. The Overdrive (hot) features a Boost which gives the Jupiter … With a diverse list of clients/artists including Al Di Meola, Buzz Feiten and Reeves Gabrels, as well as a host of top players from the Netherlands such as Golden Earring's George Kooymans, Koch is a very popular and well-known … I did this with a Starpooper Combo (identical to a Jupiter but black vinyl covering instead of green, with minor voicing differences) box that came back to me without the amp in it. The Koch Jupiter is a 45 Watt boutique, vintage style head, which is equally at home in live, recording or rehearsal sessions. This unique tone classic features independent volume and gain controls for both the Clean (Cool) and Overdrive (Hot) channels. The Koch Jupiter is a 45 Watt boutique, vintage style head, equally at home in live, recording or rehearsal sessions. The Koch Jupiter is a 45 Watt boutique, vintage style head, which is equally at home in live, recording or rehearsal sessions. Koch is an internationally renowned brand known for incomparably pro sound reproduction. This unique tone classic features independent volume and gain controls for both the Clean (Cool) and overdrive (Hot) channels. It is the same width as the Koch Studiotone Plus head. This unique tone classic features independent volume and gain controls for both the Clean (Cool) and Overdrive (Hot) channels. The power amp and pre-amp circuits are hybrid tube / transistor with two 12AX7. Koch has re-entered the UK market with a revamped range of heads, combos and accessories, and there's also new distribution for the respected Dutch amp builder. There are two channels, "COOL", and "HOT", which has a gain boost. Driven by two 12AX7 tubes, split between the power amp and pre-amp sections, the Jupiter Junior is a flexible hybrid amplifier. Or a smaller-footprint Studiotone head. The Koch Jupiter Junior is a 20 Watt boutique, vintage style combo amp based on his bigger brother the "Jupiter 45". Jupiter is an amp that provides power adjustable from 0-45 watts through its Dimmer technology. It's hard to believe that Koch amps aren't a huge hit here in the US, but they seem to be slowly gaining ground. Here's another neat trick if you get a Koch Jupiter Combo. You would think such a high powered head would be far too much for bedroom use, but it has some features that make it work even at home.