Definition of Roland Bolt amplifier
The Roland Bolt 30/60/100 was the only line of tube guitar amplifiers produced by Roland. The Bolt amplifier series was released in 1979.
The Bolt amplifier uses an hybrid circuit, with a Mosfet-based solid state preamp section and an all Tube power amp.
In the case of the Bolt 60 the power amp section is an exact clone of the Fender AB763 circuit, it uses two 6L6GC power tubes and one 12AT7 Phase Inverter. The amplifiers have two channels, clean and Overdrive, switchable on the front panel or through a foot-switch. Aside from the overdrive circuit, the amp contains a spring reverb and provision for external effects using the effects loop.
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Frequently asked questions
What is Roland Bolt amplifier?
The Roland Bolt 30/60/100 was the only line of tube guitar amplifiers produced by Roland. The Bolt amplifier series was released in 1979.
Sources & credits
- Wikipedia: Roland Bolt amplifier – CC BY-SA 4.0
- Image by User:Ndaisley at en.wikipedia – Public domain