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Title: Blackstar Series One 45 Combo Schematic or resistor values needed
Post by: Psabin8951 on February 05, 2018, 11:18:30 AM

I've just had a Blackstar Series One 45 Combo come to me with no output.
Upon inspection there are two resistors totally burnt out - R3 on the EL34 power tube board and R6 on the ECC83 board.
Does anyone know the values of these components and or have a schematic please?

Title: Re: Blackstar Series One 45 Combo Schematic or resistor values needed
Post by: Jazz P Bass on February 05, 2018, 11:54:25 AM

I don't have that schematic but have you tried contacting Blackstar?

They will not release the schematics but they will help with component identification.

Solid State Guitar Amp Forum | DIY Guitar Amplifiers

Solid State Amplifiers => Tubes and Hybrids => Topic started by: Psabin8951 on February 05, 2018, 11:18:30 AM