This small full tube amp is aimed to practising and studio purposes, despite it`s loudness is big enough to really disturb your neighbours when fully cranked. This amp 3x12AX7 preamp is mainly based on Marshall JMP50/Plexi-world and partly to our own design. Power amp consists 2x6AK6– tubes, which give some 2-3 w output power.

This amp has one Input-jack. Preamp channels have been internally jumpered, which makes two channel use easy. With Normal and Bright Volume controls you can mix each channel level without hassle. There is a common three knob tone stack (Treble, Middle, Bass) for both channels, PPIMV (Post Phase Inverter Master Volume) Master Volume and dynamic power scale control VVR. With these controls you can pick any distortion sound you want with bed room levels.


Plexi Jr. Head
– Cabin with normal tolex covering 950 €
– Cabin covered with laquered tweed 1050 €
– Cabin of oiled hard wood (mahogany) 1150 €

– Buffered effect loop 100 €
– Adjustable unbalanced Line Out with jack or xlr-connector 80 €
– Cabin dust cover 50 €

Plexi Jr. Combo with a 1×12″ speaker
You can have this amp also as a combo version. It`s price depends on speaker element. If you are interested in of a combo model, please ask an offer.

All prices include 24 % VAT and are subject to change without notification.