Korena by Guitar Center
Product detailSKU #1500000231865

DarkglassMicrotubes B7K V2 Bass Preamp Pedal

Darkglass
Darkglass Microtubes B7K V2 Bass Preamp Pedal
1/8

Independent shopping perspective

The Korena take

The Microtubes B7K V2 combines the B3K saturation circuit with a four-band EQ, balanced line driver, and controls for blending clean and overdriven signals. Drive sets saturation, while Level controls the overdriven signal’s volume; the clean signal remains at unity gain in the blend. Grunt offers three pre-clipping bass-boost levels, and Attack changes how much treble enters saturation. Switchable low-mid and high-mid centers make it practical to refine a direct bass sound for a PA or studio console.

Darkglass Microtubes B7K V2 Bass Preamp Pedal product detail
Product studyDarkglass Microtubes B7K V2 Bass Preamp Pedal
Darkglass Microtubes B7K V2 Bass Preamp Pedal alternate view
Alternate view

Strong match

Who this is for

  • Shaping a bass direct signal for a PA or studio mixing console
  • Blending a unity-gain clean bass signal with an adjustable overdriven signal
  • Running the input signal separately through the parallel passthrough output

Consider the trade-offs

When to look elsewhere

  • Power setups without a center-negative 9V DC adapter capable of supplying 30 mA.

What matters in use

The specifications, translated

Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.

Darkglass Microtubes B7K V2 Bass Preamp Pedal construction detail

Detail 01

Low-mid center switch: 1 kHz / 500 Hz

Moves the low-mid EQ band between the two available center frequencies.

Detail 02

High-mid center switch: 3 kHz / 1.5 kHz

Moves the high-mid EQ band between the two available center frequencies.

Detail 03

Parallel output

Passes through the input signal for parallel processing.

Detail 04

4.72 x 4.21 inches

The pedal’s listed footprint for arranging pedalboard space.

Final check

Know before you order

  1. 01Provide a center-negative 9V DC adapter capable of 30 mA.
  2. 02Reserve a 4.72 x 4.21 inch space if placing it on a pedalboard.
Darkglass Microtubes B7K V2 Bass Preamp Pedal close-up

Product questions

Before you decide

Straight answers to the questions shoppers most often ask about this product.

01Can it connect directly to a PA or studio console?

Yes. Its direct output is a balanced version of the 1/4-inch output for PAs and studio mixing consoles.

02How does the Blend control work?

It mixes the clean input with the overdriven signal. The clean signal stays at unity gain, while Level sets the overdriven signal’s volume.

03Does it offer a separate clean signal path?

The parallel output passes through the input signal for parallel processing.

Reference

Full specifications

The complete catalog record, organized around the decisions musicians make when comparing gear.

8 detailsOther
Category Source
detail
Power requirement
9V DC adapter with a center-negative plug
Current draw
30mA
Tier
new
Korena Special
false
Source Id
site51500000231865
Dimensions (WxHxD)
3.70" (9.40 cm) x 1.81" (4.60 cm) x 4.72" (12.00 cm)
Weight
0.71 lb (0.32 kg)