
Sorry, this item is out of stock
Strymon DIG Dual Digital Delay Pedal V2 $379.00
$37900current price $379.00Strymon DIG Dual Digital Delay Pedal V2
Boss XS-100 Poly Shifter Pedal Bundle with Gearlux Power Supply, Instrument and MIDI Cables, Picks, and Austin Bazaar Polishing Cloth $369.99
$36999current price $369.99Boss XS-100 Poly Shifter Pedal Bundle with Gearlux Power Supply, Instrument and MIDI Cables, Picks, and Austin Bazaar Polishing Cloth
Biyang ToneFancier TR-8 Analog Tremolo Guitar Bass Effect Pedal 2 Wave Form Adjust True Bypass with pedal connector $232.00
$23200current price $232.00Biyang ToneFancier TR-8 Analog Tremolo Guitar Bass Effect Pedal 2 Wave Form Adjust True Bypass with pedal connector
ZVEX Box of Rock Distortion Guitar Effects Pedal $219.00
$21900current price $219.00ZVEX Box of Rock Distortion Guitar Effects Pedal
Fender Shields Blender Pedal $346.99
$34699current price $346.99Fender Shields Blender Pedal
Trondheim SkarBassOne Analog Bass Preamp and Multiband Overdrive Pedal $249.00
$24900current price $249.00Trondheim SkarBassOne Analog Bass Preamp and Multiband Overdrive Pedal
Maxon Vintage Series CS550 Stereo Chorus Pedal $279.00
$27900current price $279.00Maxon Vintage Series CS550 Stereo Chorus Pedal
DEEPCRAFF Guitarists 1Pack Electric Guitar Effects Pedal Blue Metal Unbuffered Bypass For Musicians $6.65
$665current price $6.65DEEPCRAFF Guitarists 1Pack Electric Guitar Effects Pedal Blue Metal Unbuffered Bypass For Musicians
Digitech DOD Badder Monkeyâ„¢ Multi Circuit Overdrive with StagePlateâ„¢ $149.99
$14999current price $149.99Digitech DOD Badder Monkeyâ„¢ Multi Circuit Overdrive with StagePlateâ„¢
MOOER Ultra Drive MKII Distortion Pedal $54.39
$5439current price $54.39MOOER Ultra Drive MKII Distortion Pedal
Fender Engine Roomâ„¢ LVL12 Power Supply for Guitar Pedals, 120V MODEL #0230100012 $314.99
$31499current price $314.99Fender Engine Roomâ„¢ LVL12 Power Supply for Guitar Pedals, 120V MODEL #0230100012
Tomsline Bass Chorus Effect Pedal (ALR-3) $42.54
$4254current price $42.54Tomsline Bass Chorus Effect Pedal (ALR-3)
Wampler EQuator Advanced Audio Equalizer Guitar Effect Pedal $199.97
$19997current price $199.97Wampler EQuator Advanced Audio Equalizer Guitar Effect Pedal
Proco RAT2 Distortion Guitar Pedal Stomp Box $119.99
$11999current price $119.99Proco RAT2 Distortion Guitar Pedal Stomp Box
44 out of 5 Stars. 4 reviewsElectro Harmonix Small Stone Nano Analog Phase Shifter Guitar Effects Pedal $92.69
$9269current price $92.69Electro Harmonix Small Stone Nano Analog Phase Shifter Guitar Effects Pedal
Bass Clone Bass Chorus Pedal $87.10
$8710current price $87.10Bass Clone Bass Chorus Pedal
Tomsline AFM-3 Firecream, Vintage Distortion Pedal $29.99
$2999current price $29.99Tomsline AFM-3 Firecream, Vintage Distortion Pedal
15 out of 5 Stars. 1 reviews1 * Overdrive Guitar Effect Pedal-As Shown $22.09
$2209current price $22.091 * Overdrive Guitar Effect Pedal-As Shown


Darkglass Electronics Microtubes B7K 2.0 Analog Bass Preamp & Overdrive
Key item features
- Versatile Tone: Combines a preamp, 4-band active EQ, and overdrive, allowing bassists to precisely sculpt their sound across all frequencies.
- Dynamic Blending: Features a blend control to mix clean and overdriven signals, preserving low-end punch while adding warmth or heavy grit.
- Refined Saturation: Attack and Grunt switches further tailor the tone, enhancing pick attack and treble or adding low-end saturation and warmth.
- Integrated Connectivity: Includes a built-in DI output for direct connection to PA systems or recording equipment, and a parallel output for signal passthrough.
- Authentic Analog: The B7K's analog drive engine delivers rich, natural, and responsive overdrive, suitable for various genres requiring punch and depth.
- Road-Ready Design: Compact and durable, this pedal is built to withstand heavy use and easily integrate into any pedalboard.
Specs
- Guitar effects pedal typeOverdrive Pedals
- BrandDarkglass
- Power typeCorded Electric
- Digital/analogAnalog
- ColorMulticolor
- Weight0.5 kg
How do you want your item?
About this item
Product details
Design and Tone. Perfected.
Tone crushing overdrive and super transparent modern sound is the essence of the Microtubes B7K. One of the most acclaimed Darkglass pedals in the bass community, it doesnt compromise the original sound of the instrument, but it enhances its presence in the mix.
Front Features
Blend
Mixes the clean input signal with the overdriven signal. The clean signal remains at unity gain while the volume of the overdriven signal is set by the Level knob, allowing for fine control of the blend ratio.
Level
Sets the volume of the overdriven signal.
Drive
Sets the amount of saturation in the overdriven signal.
Attack Switch
Sets the amount of treble content to saturate: The Boost setting emphasizes the treble content extra clarity and presence.
The Flat position leaves this register untouched while the Cut position will reduce the amount of high frequencies being saturated.
This new addition helps to keep the treble portion of the signal under control, specially useful when playing with new strings and/or cabinets with tweeters!
Grunt Switch
Sets the amount of low frequency content to saturate by selecting between three different bass boost levels before the clipping stage.
Low
+-12dB 100Hz
Low Mids Switch
This switch change the center frequency of the Low Mids from 1kHz to 500Hz.
Low Mids
+-12dB 500Hz
Hi Mids
+-12dB 1.5kHz
Hi Mids Switch
This switch change the center frequency of the Hi Mids from 3kHz to 1.5kHz.
Treble
+-12dB 5kHz
Input & Outputs
Output
Connect from the Output jack to the input of your amplifier or another effects pedal.
Ground Lift
Use this control to lift the ground of the XLR output. If you are experiencing ground noise in your DI signal, try changing this control.
Direct Output
A balanced version of the output, useful for running into PAs or studio mixing consoles.
Input
Connect your instrument or output from your pedal board to the mono jack.
9V DC
Only use a regulated 9V DC adapter with a center-negative plug.
Parallel Output
A passthrough for your input signal, useful for parallel processing.
- Powerful Tone Sculpting: Combines a preamp, EQ, and overdrive in one, allowing bassists to craft their ideal tone with precision and clarity.
- 4-Band Active EQ: Features bass, low mids, high mids, and treble controls, letting you shape your sound across all frequencies for a wide tonal range.
- Blend Control for Perfect Balance: Mixes clean and distorted signals, retaining low-end punch while adding overdrive, ideal for both subtle warmth and heavy grit.
- Attack and Grunt Switches: Tailor your tone further with Attack for enhanced pick attack and treble and Grunt for low-end saturation and warmth.
- DI Output for Studio & Stage: Includes a built-in DI output, making it easy to connect directly to PA systems or recording equipment without extra gear.
- Analog Drive Engine: The B7K's analog circuitry delivers rich, natural, and responsive overdrive, perfect for rock, metal, and any genre needing punch and depth.
- Compact and Road-Ready: Built to withstand heavy use, this pedal is tour-friendly and designed to fit easily into your pedalboard.
Specifications
Guitar effects pedal type
Brand
Power type
Digital/analog
Warranty
Warranty information
Popular items in this category
Best selling items that customers love
JOYO JF-11 6 Band EQ Pedal Equalizer ±18dB Guitar Effect Pedal $34.19 Was $37.99
Now$3419current price Now $34.19, Was $37.99$37.99JOYO JF-11 6 Band EQ Pedal Equalizer ±18dB Guitar Effect Pedal
Shipping, arrives in 3+ daysElectro-Harmonix XO Bass Big Muff PI Distortion Effects Pedal $98.00
$9800current price $98.00Electro-Harmonix XO Bass Big Muff PI Distortion Effects Pedal
15 out of 5 Stars. 1 reviewsShipping, arrives in 3+ daysJOYO JF-15 California Sound Guitar Pedal Amp Simulator From Overdrive to Distortion $37.19
$3719current price $37.19JOYO JF-15 California Sound Guitar Pedal Amp Simulator From Overdrive to Distortion
14 out of 5 Stars. 1 reviewsShipping, arrives in 3+ daysElectro-Harmonix Ram's Head Big Muff Pi Fuzz Distortion Sustainer $114.30
$11430current price $114.30Electro-Harmonix Ram's Head Big Muff Pi Fuzz Distortion Sustainer
Shipping, arrives in 3+ daysElectro-Harmonix Nano Metal Muff Distortion Pedal with Noise Gate $84.40
$8440current price $84.40Electro-Harmonix Nano Metal Muff Distortion Pedal with Noise Gate
35 out of 5 Stars. 3 reviewsShipping, arrives in 3+ daysMXR M280 Vintage Bass Octave Pedal $169.99
$16999current price $169.99MXR M280 Vintage Bass Octave Pedal
Shipping, arrives in 3+ daysJOYO JF-21 SPLINTER Distortion Guitar Effect Pedal 2 Modes with Clipping Circuits $37.99
$3799current price $37.99JOYO JF-21 SPLINTER Distortion Guitar Effect Pedal 2 Modes with Clipping Circuits
Shipping, arrives in 3+ daysJOYO JF-24 Line Selector Guitar Pedals 6 Mode Switch 2 Effect Loop for Electric Guitar $36.81 Was $43.99
Now$3681current price Now $36.81, Was $43.99$43.99JOYO JF-24 Line Selector Guitar Pedals 6 Mode Switch 2 Effect Loop for Electric Guitar
44.8 out of 5 Stars. 4 reviewsShipping, arrives in 3+ daysLR Baggs Align Acoustic Preamp/Equalizer Effects Pedal $199.00
$19900current price $199.00LR Baggs Align Acoustic Preamp/Equalizer Effects Pedal
15 out of 5 Stars. 1 reviewsShipping, arrives in 3+ daysMXR DISTORTION EFFECTS PEDAL $99.99
$9999current price $99.99MXR DISTORTION EFFECTS PEDAL
Shipping, arrives in 3+ daysMXR Yngwie Malmsteen Overdrive Pedal $139.99
$13999current price $139.99MXR Yngwie Malmsteen Overdrive Pedal
Shipping, arrives in 3+ daysFender ABY Footswitch for Guitar and Amplifier $59.99
$5999current price $59.99Fender ABY Footswitch for Guitar and Amplifier
Shipping, arrives in 3+ daysMXR 6-Band EQ $125.99
$12599current price $125.99MXR 6-Band EQ
Shipping, arrives in 3+ daysMXR Bass COMPRESSOR $209.99
$20999current price $209.99MXR Bass COMPRESSOR
Shipping, arrives in 3+ daysDigiTech FS3X 3-Button Footswitch for JHE, EX7, ZAS-BM and JamMan Looper $69.99
$6999current price $69.99DigiTech FS3X 3-Button Footswitch for JHE, EX7, ZAS-BM and JamMan Looper
25 out of 5 Stars. 2 reviewsJOYO JF-12 Octave Fuzz Effect Pedal 2 Modes Electric Guitar True Bypass $34.19 Was $39.99
Now$3419current price Now $34.19, Was $39.99$39.99JOYO JF-12 Octave Fuzz Effect Pedal 2 Modes Electric Guitar True Bypass
23 out of 5 Stars. 2 reviewsShipping, arrives in 3+ daysElectric Guitar Pedal Distortion for Electric Guitar $14.33
$1433current price $14.33Electric Guitar Pedal Distortion for Electric Guitar
93 out of 5 Stars. 9 reviewsShipping, arrives in 3+ daysFishman PRO-DEQ-AFX ToneDEQ Preamp Acoustic EQ Pedal $318.99 Was $339.95
Now$31899current price Now $318.99, Was $339.95$339.95Fishman PRO-DEQ-AFX ToneDEQ Preamp Acoustic EQ Pedal
Shipping, arrives in 2 daysElectro-Harmonix C9 Organ Machine Pedal $259.50
$25950current price $259.50Electro-Harmonix C9 Organ Machine Pedal
15 out of 5 Stars. 1 reviewsShipping, arrives in 3+ daysElectro-Harmonix B9 Organ Machine Pedal $259.50
$25950current price $259.50Electro-Harmonix B9 Organ Machine Pedal
Shipping, arrives in 3+ days
