Ampeg Classic Analog Bass Preamp pedal vs EarthQuaker Devices Scrolls V1

The Ampeg Classic Analog Bass Preamp pedal and the EarthQuaker Devices Scrolls V1 are both pedals sharing full, bright, low gain. The EarthQuaker Devices Scrolls V1 leans saturated and harmonically rich.

Similarity
citedBlended from circuit-archetype lineage, dynamic feel, tone-signal overlap and tone-vector distance — the tone vector itself is derived from editorial description text, not a measured acoustic signal, so this reflects how similarly the catalog copy describes the two, not a lab measurement. Shown only within a gear class, and only where there's enough evidence to be meaningful.

37% — somewhat different

Shared genres
citedGenres both listings are associated with.
  • Metal
Shared tone character
citedDerived from overlapping tonal signals across both listings.
  • full
  • bright
  • low gain
Citation fame
citedCitation/mention fame — how often this gear is cited across artist rigs and gear discussion.
0%
0%
Price

$116.29via Reverb

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Description

The Ampeg Classic Analog Bass Preamp pedal (CABP, model F17-1) is an all-analog circuit bringing vintage Ampeg SVT preamp character to a compact bass pedal. The preamp section provides up to +18 dB of gain feeding a 3-band EQ: Bass +7/-20 dB at 40 Hz, Mid +5/-11 dB at 500 Hz, Treble +10/-10 dB at 4 kHz. Ultra-Hi and Ultra-Lo passive switches add a high-frequency shelf or a simultaneous bass boost with mid cut for classic SVT fat low-end tone. True bypass, 9V DC at 20mA, internal -15 dB input pad for active basses. Housed in a matte black all-metal enclosure at approximately street price.

The EarthQuaker Devices Scrolls is an all-analog bass preamp and overdrive pedal designed as a comprehensive signal command center for bass players. It features an active three-band EQ, a variable gain overdrive section, and a clean blend control that preserves low-end definition while adding harmonic saturation. The Scrolls provides natural tube-like warmth and responsive overdrive ranging from subtle growl to aggressive saturation. Suited to rock, metal, jazz, and progressive bass contexts, it combines tonal shaping and drive in a single compact enclosure.

Genres
citedGenres this gear is documented as being used in.
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  • Jazz
  • Rock
Tonal lean
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  • saturated
  • harmonically rich
  • aggressive
  • transparent
Good for
citedOccasions this gear suits — judged per model, or derived from its wattage, connectivity and category.
  • Live
  • Silent Recording
  • Studio
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