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AMT Electronics BC-1 Bass Crunch Bass Preamp

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The AMT BC-1 Bass Crunch Bass Preamp is built on custom technology by АМТ using JFET emulation of vacuum tube clipping. Its wide adjustment range,...Click To Read More About This Product

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A pedal for bass with 2 modes of tube-like overdrive and deep EQ editing.

The AMT BC-1 Bass Crunch Bass Preamp is built on custom technology by АМТ using JFET emulation of vacuum tube clipping. Its wide adjustment range, in combination with the convenience of a stomp box, makes this preamp extremely versatile.

«Bass crunch» BC-1 preamp is based on a two-channel circuit.

CLEAN channel shapes the classic bass guitar sound characteristic for «old» amplifiers and allows both velvet transparent sound and slight compressed overdrive depending on the position of Gain control.

DRIVE channel contains a number of over amplification stages and is intended for obtaining a modern sound from clean to totally overdriven. The High Mode provides additional possibilities in terms of range enrichment, heading towards higher sound density and aggressiveness. The adjustable 3-position mid-range filter combined with deep adjustments along the frequency ranges offer bassists rich possibilities in shaping the overdriven tone range.


Level - output signal level adjustment
High - high frequencies adjustment
Mid - middle frequencies adjustment
Low - low frequencies adjustment
Gain - channel sensitivity adjustment

Level - output signal level adjustment
High - high frequencies adjustment
Mid - middle frequencies adjustment by means of rejecter filter Freq. notch
Freq. notch - cutout frequencies switch (rejecter filter) 500Hz, 330Hz, 230Hz.
Low - low frequencies adjustment
Pre. Notch - rejecter filter switch before Drive stage. 700Hz, 400Hz.
Gain - channel sensitivity adjustment

Overall Controls
Blend - signal level balance adjustment between channels Clean and Drive
Master volume - BC-1's overall output level adjustment.

Footswitch DRIVE - Drive channel on/off
Led - Drive channel on indicator
Footswitch HI/LO - Drive channel increased sensitivity on/off.
Led - HI/LO mode with Drive channel increased sensitivity on indicator.

  • Sophisticated tube-like sound emulation from clean to crunch
  • 2 seperate channels of control
  • Deep EQ editing
  • Footswitches with LEDs to accurately kick in sounds

Dig deep and find the tone that rocks for you. Order today.

  • Right Panel
  • INPUT - instrument input of the preamp
  • SEND FX - signal send to aux effect
  • RETURN FX - aux effect signal return
  • Left Panel
  • OUTPUT - direct output to power amp.
  • CTRL OUT - AMT TS-2MIDI aux convertors control output
  • CAB.SIM. - direct output to mixer's line input.
  • DI OUT - balanced output intended for connection of devices equipped with balanced inputs.
  • Power
  • DC 18V - for connection of power adapter
  • Battery compartment - for two 9V batteries installation.
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Review Snapshot

by PowerReviews
AMT ElectronicsBC-1 Bass Crunch Bass Preamp

(based on 3 reviews)

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars




  • Portable (3)


No Cons

Best Uses

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    • Reviewer Profile:
    • Experienced (3)

Reviewed by 3 customers

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(1 of 3 customers found this review helpful)


The Best.

By Garagemenager


About Me Experienced


  • Excellent Sound
  • Portable
  • Powerful


    Best Uses

    • Amateur Recording
    • Events
    • Home Studio
    • Professional Recording

    Comments about AMT Electronics BC-1 Bass Crunch Bass Preamp:

    Fender PB, AMT, tube amp 6 x 6L6GC hand built, 2 x EV 15B

    (1 of 2 customers found this review helpful)


    Terrible Pedal

    By Scrat

    from Virginia

    About Me Experienced


    • Portable


    • Poor Sound Quality
    • Terrible EQ
    • Weak

    Best Uses

    • Performances

    Comments about AMT Electronics BC-1 Bass Crunch Bass Preamp:

    I purchased this pedal last summer and was very excited to finally have a 2 channel bass preamp to blend clean/overdrive. Unfortunately, this pedal was a complete let down. The pedal sounded nothing like the soundclips on AMT's website, not did the EQ knobs affect the signal very much at all. Using the pedal with the speaker sim sounded better than the regular output; however, even still, I could not get any differences in tone. The unit was simply far too distorted, and the blend virtually did nothing to bring in the clean tone. In theory, this pedal would have been fantastic, but in actuality, it did not work as stated.

    Another major problem was that the battery holder was manufactured in a way that caused the battery to flip-flop aroun inside of the pedal, constantly cutting out my signal completely. MF did rule that the pedal was defective due to the battery compartment. Perhaps there was more defective with the pedal than we realized, so I'm just going to hope that this was the reason for the poor sound. Nevertheless, I did not even bother with receiving another one because I hated the pedal so much.

    Recording direct was just as bad. I ended up returning the pedal and going with an EBS Sheehan instead. If you want a pedal to blend clean and overdriven signals, then this pedal is not for you. If you want to distort your bass to the point where it almost unusable (or for an NIN-style effect here or there), then you may want to invest in this.


    True powerful preamp ,not like other "eq filters only"

    By infectedbyevil

    from Israel

    About Me Experienced


    • Excellent Sound
    • Good Warmth
    • Portable
    • Powerful


    • Difficult To Use

    Best Uses

    • Home Studio

    Comments about AMT Electronics BC-1 Bass Crunch Bass Preamp:

    Hi everyone one! I will recommend this Russian tank for players who needs good sound and power for records and life situation. Guys you need to know before you buy this device: this is not sasnamp/dark glass b 7k. Bass crunch can bring live for poor sounding amp when you plug it in the "fx return" I tried to do this with sansamp and dark glass , they 100% lost the fight to AMT. this preamp grate device for live situation when you don't have a good amplifire practice with your band.grate for records has a (cabsim)+ fx loop.i gave 4 * for only 2 reasons: (1)It takes some time to understand how does it work . (2)It has more noise then other preamps. No bypass switch (but you don't need it) when you looking for preamp and not just eq pedal.

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