Info, Reparatur & Modding von Vintage Gear 02/2019 – Böhm Dynamic 4×9 01/2019 – Deep Bass Nine – 12 Mods 07/2018 – SY-1 Syncussion clone – PSU noise fix 05/2018 – Ibanez UE-405 mods: Reverb und Switchplatte 05/2016 – Roland GP-8 Guitar Effects Processor – Info & Repair 02/2015 – Reparatur Roland DEP-5 Bypass Relais