After more than a thousand all-tube guitar amps made and the worldwide successful new line of bass-related products, like the CAPO solid state preamp and the SISMA hybrid bass head, the Jad Freer team was ready to work on an all-tube bass head.

When our endorsing artistย Kevin Scott, an enthusiastic CAPO and SISMA user, after earning the bass chair with the legendary American bandย Govโt Mule, asked for a tube head, we took the occasion to develop theย VOLTA, surpassing all our sound and performance expectations.
Named after the Italian physicist genius Alessandro Volta (ever heard of Voltage? Thatโs after him), the VOLTA all-tube bass head is the pinnacle of JF sound and philosophy, embracing the best of old school sound and modern technology and construction.
Theย VOLTAย features the best of both heritages of classic tube amplification: an โAmericanโ style tube bass preamp with a classic and organic โJamesโ style passive tone stack paired with a โBritishโ style all-tube power amp. Thanks to our proprietary switching power supply the response is quicker and fuller, keeping dimensionsย ย compact and a super-light weight.
Equally at home when you need a clean and pure, hi-fi, sound, with fast articulation and transients or when you need that overdriven and slightly compressed sound only associated with true all-tube operation, theย VOLTAย is an amp designed for the contemporary bass player looking for the very best sound reproduction, quality and reliability possibile.

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