True-Grit Tube saturation unit for 500 series - DIY Analog Pro Audio
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  • True-Grit Tube saturation unit for 500 series - DIY Analog Pro Audio
  • True-Grit Tube saturation unit for 500 series - DIY Analog Pro Audio

True-Grit tube saturator for 500 series

$261.67
$259.00 VAT incl.
$259.00 VAT excl.

True Grit is a tube saturation processor that allows for very soft and progressive saturation up to full overdrive.

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True-Grit

Bootstrap Image Preview


True-Grit is a tube saturation processor that allows for very soft and progressive saturation up to full overdrive. A Low-cut filter before the tube and a High-cut filter after the tube allow you to define the saturating frequency range and adjust the amount of harmonics. Finally, a Blend control sets the mix between dry and wet sounds.

Install it in your API* compatible LunchboxTM or rack and start working.


Highlights

    • Based on two "real" triodes in push-pull mode,
    • Very progressive, warm and euphonic saturation,
    • Goes into full overdrive when using the Boost function,
    • Optional, variable frequency Low-cut filter before tube controls the saturated frequencies,
    • Optional, variable frequency High-cut filter after tube controls the amount of harmonics,
    • Blend control between clean and saturated sound,
    • Can be used as an instant soft peak limiter, increasing loudness without compression,
    • Can be used as an enhancer, adding sparkle to a voice or an instrument,
    • Hardware relay bypass,
    • Available assembled or as a full kit.

Saturation visualization

Sine - Each trace is a 6 dB increase at the input
Bootstrap Image Preview
Triangle - Each trace is a 6 dB increase at the input
Bootstrap Image Preview


Controls

Bootstrap Image Preview




1: DRIVE Sets the level of the input signal thus controlling the saturation level.

2: BOOST Adds another 20dB boost to the input signal going into strong overdrive land.

3: LEVEL Sets the output level after saturation.

4: HI-CUT IN Inserts the High-cut filter.

5: HI-CUT Sets the frequency of the High-cut filter.

6: LO-CUT IN Inserts the Low-cut filter.

7: LO-CUT Sets the frequency of the Low-cut filter.

8: IN Module bypassed when up, module active when down.

9: BLEND Sets the mix between clean and saturated sound.


What's in the kit?

Absolutely everything!

  • Passive components (resistors, capacitors, inductors),
  • Active components (tube, diodes, transistors, IC's),
  • Control elements (switches, potentiometers, switches, knobs),
  • Connectors, relay,
  • PCB's,
  • Front panel,
  • All hardware.

You bring the solder (use good quality solder, 1mm diameter max) and the Lunchbox.


Difficulty level

The True-Grit kit is a medium difficulty kit. It can be undertaken by anyone who is able to make a clean solder joint.

PK025

Specific References


Technical specifications

Measure Conditions Value
Idle supply current No input signal V+ : +110 mA
V- : -110 mA
V48 : 1 mA
Input impedance 22 kΩ
Maximum input level +22 dBu
Maximum output level before clip +22 dBu
Max gain BOOST off
BOOST on
+36 dB
+56 dB
Low cut frequency range @-3dB 110 Hz - 10 kHz
High cut frequency range @-3dB 220 Hz - 20 kHz
Frequency response BOOST off
BOOST on
8 Hz to 30 kHz
8 Hz to 18 kHz

Documentation

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True-Grit tube saturator for 500 series

True Grit is a tube saturation processor that allows for very soft and progressive saturation up to full overdrive.

Write your review