The Excalibur Mono Power Amplifier. After The Grail SB (Phone-amplifier) and The Emerald (Pre-amplifier), a Mono Power Amplifier is created: The Excalibur.
Description
The Excalibur Mono Power Amplifier. After The Grail SB (Phone-amplifier) and The Emerald (Pre-amplifier), a Mono Power Amplifier is created: The Excalibur.
Additional information
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