Spectro G100 Booster   Guitar Head

Spectro G200 Booster   Guitar Head

Custom design of the preamplifier section and the backpanel

First amplifier of the Spectro Series, a Spectro G200 Booster with a 'vibrant' green tolex covering

Spectro B200  Bass-Head with dual tonestack

SPECTRO B200 Booster    Bass-Head with active 3-band tone control and a set of KT120 power tubes

Spectro B200  Bass Head with 'navy blue' tolex covering

Spectro B200 Booster  Bassamplifier in the new, current design with DI-taps and mute switch, here in white tolex covering


Here a few pictures of my workshop

Spectro B200 Booster bass head, inside view

Spectro B200  at the measuring station

Although they require occasional servicing, I appreciate these vintage measuring instruments


Completed SPECTRO B200 with German labelling, without housing