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  #1  
Old 06-04-2010, 04:29 AM
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Join Date: Jun 2010
AMT Bass guitar preamp "BASS CRUNCH BC-1"

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Hello people,
I hope I've placed my topic in the right section of this forum. I'd like to tell you about the new device by AMT Electronics.

AMT «Bass Crunch» BC-1 JFET Bass guitar preamp

АМТ Electronics is proud to present its new product – AMT «Bass crunch» BC-1 2-channel bass guitar preamp.

This preamp is built using АМТ’s unique technology – JFET emulation of vacuum tube clipping. Wide adjustment range and rich functionality (especially for a floor device) make the presented preamp extremely versatile.

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

CLEAN channel produces classic bass guitar sound one can hear from classic tube amplifiers. You can get both warm transparent sound and compressed slight overdrive, depending on position of the Gain knob.

DRIVE channel contains a number of overdrive stages and is designed for modern sound – from clean to severely overdriven. High mode provides additional possibilities to enrich the sound spectrum and produce even more thick and aggressive sound. Adjustable 3-position mid-range filter, along with wide high and low end adjustments, offers rich tone shaping possibilities and let the player create unique overdrive tone.

Controls:

Clean
LEVEL – output signal level adjustment
HIGH – high frequency adjustment
MID – middle frequency adjustment
LOW – low frequency adjustment
GAIN – channel sensitivity adjustment

Drive
LEVEL – output signal level adjustment
HIGH – high frequency adjustment
MID – middle frequency adjustment (set by Notch Freq. switch)
NOTCH FREQ. – cutout frequency switch (rejection filter) 500Hz, 330Hz, 230Hz.
LOW – low frequency adjustment
PRE. NOTCH – rejection filter switch before Drive stage. 700Hz, 400Hz.
GAIN – channel sensitivity adjustment

General Controls
BLEND – balance between Clean and Drive channels
MASTER VOLUME – BC-1’s overall output level adjustment

DRIVE – Drive channel on/off footswitch
LED – Drive channel on indicator
HI/LO– high/low sensitivity of Drive channel footswitch
HI/LO LED –high/low sensitivity of Drive channel indicator

Connections

Right Panel
INPUT – instrument input
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 converters control output
CAB.SIM. – direct output to mixer’s line input.
DI OUT – balanced output for connecting devices with balanced inputs.

Power
DC 18V – for power adapter connection
Battery compartment – for two 9V batteries installation.
May 28, 2010
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Last edited by Maser : 06-04-2010 at 05:23 AM.
  #2  
Old 06-04-2010, 05:05 AM
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Join Date: Mar 2009
Location: Madrid, Spain
I read about two lines of your post so I don't really know what the pedal does...I just know that I want it because it has all those knobs
  #3  
Old 06-04-2010, 05:22 AM
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Quote:
Originally Posted by Gonzo476 View Post
I read about two lines of your post so I don't really know what the pedal does...I just know that I want it because it has all those knobs
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  #4  
Old 06-04-2010, 07:37 AM
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Location: Davenport, IA
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Dang, got me too!

Am I missing the output that would allow me to use this as an effects pedal in addition to a preamp? So many knobs and switches and metal and I sort of want one too now!
  #5  
Old 06-04-2010, 10:11 AM
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Wow. On the one hand, advertising like that is not permitted here; but OTOH this pedal is very exciting-looking, so I'm glad to hear about it.
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  #6  
Old 06-04-2010, 03:49 PM
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Location: Des Moines, IA, USA
Quote:
Originally Posted by ZombiCrow View Post
Am I missing the output that would allow me to use this as an effects pedal in addition to a preamp? So many knobs and switches and metal and I sort of want one too now!
What output do you mean? Run whatever you need to before the box and whatever you want after it. Just keep the level at unity and you'll be fine.
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  #7  
Old 06-04-2010, 11:30 PM
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Join Date: Jun 2010
Quote:
Originally Posted by bassman1185 View Post
What output do you mean? Run whatever you need to before the box and whatever you want after it. Just keep the level at unity and you'll be fine.
In a forehead a case, you can experiment and connect BC-1 as FX a pedal, to yours a bass to the amplifier through an output « Cab. Sim ».
AMT BC-1 on an extent of all sound path contains inside only film audio condensers. Look a photo.
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  #8  
Old 06-05-2010, 10:30 AM
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Cool.

Oh yeah, just keep the gain down. I'm not sure what this last gentleman was trying to say, but cool pic of the guts regardless.
  #9  
Old 06-05-2010, 10:41 AM
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Location: San Diego, CA
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Any plans for a deluxe version? This one looks good, but could use more cowbell knobs...
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  #10  
Old 06-05-2010, 02:22 PM
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Location: San Diego, California
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that looks to have some potential, but i'm really just posting this to get in before the thread gets pulled
  #11  
Old 06-05-2010, 03:34 PM
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Location: Birmingham, UK
I am literally terrified by that much tweakability in one pedal.




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