The A+ Flex is a tube bass preamplifier aimed at players who prefer the classic East Coast sound.

Here at Shift Line, we've always been particularly fascinated with bass-focused devices. Our product lineup includes the Olympic preamp with its "California sound", so the introduction of the East Coast-style Flex preamp was just a matter of time. We're extremely happy to introduce the new device, as the Flex can significantly expand your sound palette.

The A+ Flex is a fully analog preamp based on the 12AX7 tube. The device allows for soft compression and characterful harmonic saturation while also giving you control over your instrument's tonal balance and volume. The Flex has three outputs (main, balanced and THRU) allowing you to set up multiple independent signal chains. Additionally, you can use the device as a drive pedal or toneshaper due to its bypass switch.

Demo by ShurSoma

Official Product Video

Product Page

Review by Talk Bass.com

Flex A+

Who said bass guitar didn't need distortion? We believe it definitely does - and there's a growing number of bass players who agree with us. Alas, there are still few dedicated bass distortion pedals; for the most part, bass players have had to use either guitar stompboxes or no distortion pedals at all.

Here at Shift Line, we take bass distortion seriously - most of us are bass players, after all. As soon as we released our Olympic MkII bass preamp, we started working on our brand new distortion pedal for bass: the A+ BUZZ.

And let us tell you this: we are very happy with the sounds Buzz can produce. It sings, it growls, it saturates - and it does it all at your command. With A+ Buzz, your bass guitar will truly stand out in the mix. Let there be rock!

Demo by Adam Aarts

Demo by Patrick Hunter

Buzz v1

Delay and reverb have always been a match made in heaven. A+ Everest is just that: delay and reverb running in parallel. Three modes - bright and cutting Sunshine, mild and woozy Eclipse, whirly and psychedelic Moonshine - provide access to an immense sonic palette.

Everest

The A+ Prism-9 is a truly inspiring stompbox for any musician looking for new ideas. With this pedal, even the most ordinary sound can turn into an outlandish chorus of awesomeness!

The Prism-9 is a unique, complex, fully-featured effect that embraces analog synthesis techniques — particularly modulation and filtering. The pedal has two switchable global modes — "classic" and "modern" — which are comprised of the same elements but in a different order.

Review by reddit /guitarpedals

Demo by Chords of Orion

Demo by Shur Soma

Prism-9

Every guitar or bass player has their own favorite amps and cabinets. Yet however much you love a stack's sound, you will probably have trouble hurling it on and off the stage, let alone playing it at home (unless you don't mind your family and neighbors going deaf). And you never know the quality of the backline the venue is going to provide you with.

The solution for gigging players came in the form of cabinet simulation units (cabsims), which let you approximate your favourite cabinet's sound. Analog cabsims were pretty good for plugging into the PA but used to lack detail in their sound — and they only modeled a limited number of cabinets. Next came digital cabsims, and their incredibly detailed sound pushed cabinet simulation to a whole new level. They were, however, quite expensive and not pedalboard-friendly enough.

This eventually led us to creating the A+ Cab Zone LE — a digital IR-based cabinet simulation device. The Impulse Response Convolution technology provides a realistic sound and preserves the unique character of the cabinet and microphone used to record the impulse.

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CabZone LE

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Weitere Pedals von Shift Line

Shift Line

Flex A+

Shift Line

Buzz v1

Shift Line

Everest

Shift Line

Prism-9

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