Gear article
Boss BP-1W Waza Craft Booster/Preamp
The Boss BP-1W Waza Craft Booster/Preamp is a high-end analogue stompbox designed to emulate the pre-amplification stages of legendary vintage processors. Built in Japan, it provides guitarists with the distinct tonal signatures of the CE-1 Chorus Ensemble and the RE-201 Space Echo in a standalone format.

Overview
The Boss BP-1W is part of the prestigious Waza Craft line, representing the brand's commitment to premium analogue engineering. It is a specialised booster and preamp pedal that allows players to access the internal signal-colouring characteristics of historic hardware without requiring the full effects associated with those units. The pedal is designed for tone purists who seek to add richness, depth, and specific vintage textures to their signal chain.
Preamp Modes and Character
The BP-1W features a three-way toggle switch to select between distinct tonal profiles:
- CE Mode: This mode reproduces the preamp section of the legendary Boss CE-1 Chorus Ensemble. It is characterised by 'bell-like chimes' and bright, shimmering tones that help a guitar cut through a mix.
- RE Mode: This setting voices the preamp of the Roland RE-201 Space Echo. It provides a 'chunky' and 'rounded' sound, adding a specific warmth and saturation typical of vintage tape delay units.
- NAT Mode: The 'Natural' voice serves as a clean boost with minimal sound colouration, designed to push an amplifier or other pedals while maintaining the core transparency of the instrument's original tone.

Construction and Versatility
As a Waza Craft product, the BP-1W is manufactured to high standards in Japan using discrete analogue components. It functions effectively as an 'always-on' sweetener or a switchable boost for solos. By providing variable preamp characters, it introduces extra richness and depth to the guitar tone, making it a versatile tool for both stage and studio applications where precise gain staging is required.
Comparison to Alternatives
While the BP-1W focuses on vintage Japanese unit emulation, other preamps on the market serve different niches. For instance, the Fortin Meshuggah Signature Pre-Amp offers high-gain distortion, whereas the Vox Valvenergy Tone Sculptor uses Nutube technology for tube-like response. In the professional audio space, units like the Warm Audio WA273-EQ or Behringer 1273 provide microphone-level pre-amplification and EQ, which are distinct from the instrument-level impedance and character voicing of the BP-1W. For budget-conscious utility, the Behringer PP400 handles phono pre-amplification, while the TritonAudio FetHead is designed specifically for boosting low-output microphones.
Related gear
£379.00 ($481)Fortin
Fortin Meshuggah Signature Pre-Amp Distortion
£1,165.00 ($1,480)Warm Audio
Warm Audio WA273-EQ 2-Channel Microphone Preamp with EQ
£129.00 ($164)Vox
Vox Valvenergy Tone Sculptor Tube Preamp Equalizer Pedal
£11.84 ($15)Behringer
Behringer PP400 Microphono Phono Preamp
£64.99 ($83)TritonAudio
TritonAudio FetHead Phantom Preamp for Condenser Microphones
£159.00 ($202)Peavey
Peavey Decade Preamp Pedal
£90.10 ($114)sE Electronics
sE Electronics DM2 TNT Active Inline Preamp
Frequently asked questions
- What is the primary purpose of the Boss BP-1W?
- The BP-1W is designed to provide the specific tonal character and gain of vintage preamps, specifically the CE-1 and RE-201, to enhance a guitar's base tone. It functions as both a booster and a signal enhancer.
- Where is the BP-1W manufactured?
- The BP-1W is part of the Waza Craft series and is built to high standards in Japan. This ensures premium component quality and construction.
- What does 'Waza Craft' signify in Boss pedals?
- Waza Craft signifies a premium line of Boss pedals that use refined analogue circuitry and high-quality components. These pedals are often reimagined versions of classic designs or unique utility tools like the BP-1W.
- Can I get chorus or delay effects from this pedal?
- No, the BP-1W only emulates the preamp sections of the CE-1 and RE-201. It does not include the chorus modulation or the tape echo effects of those original units.
- What is the 'NAT' mode used for?
- The NAT (Natural) mode is a clean boost setting. It is intended for players who want to increase their signal level with minimal colouration or alteration of their original guitar tone.
- How does the CE mode sound compared to the RE mode?
- CE mode offers a bright, chime-like quality reminiscent of the first Boss chorus pedal. In contrast, RE mode is described as 'chunky' and 'rounded', offering the warmer character of the Space Echo preamp.
- Is the BP-1W an analogue or digital pedal?
- The BP-1W features a fully analogue circuit path. This is a core requirement of the Waza Craft philosophy to ensure a traditional and responsive feel.
- What is the typical price for the Boss BP-1W?
- The pedal typically retails in the range of £150. Prices may vary slightly depending on the retailer and current market availability.
- Can this pedal be used to push a tube amplifier into overdrive?
- Yes, as a booster/preamp, it is designed to increase the signal level. This makes it highly effective for pushing a tube amplifier's front end into natural saturation.
- How does the BP-1W compare to the Vox Valvenergy Tone Sculptor?
- The BP-1W focuses on emulating specific vintage Japanese preamp circuits using discrete analogue components. The Vox Valvenergy uses Nutube technology to simulate vacuum tube response and includes EQ shaping.
- Is the BP-1W suitable for bass guitar?
- While designed primarily for guitarists, its high-end analogue circuitry and range of modes can be used by bassists to add warmth or grit, particularly in the chunky RE mode.
- Does this pedal require a special power supply?
- The BP-1W typically operates on standard 9V DC power, consistent with most Boss compact pedals. It can also be powered by a 9V battery for convenience.
