
ReValver Microphones
MD421 (LC2)
Inspired by Sennheiser® MD421 (Bass Roll-Off Switch 2)
Model: Sennheiser MD 421
acronym:
- LC2 = Low Cut level 2 (medium low cut) more filtered than LC1 less lows, more control
WHAT CHANGES COMPARED TO LC1
the MD421 has a 5-position high-pass filter that progressively reduces low frequencies (Recording Hacks)
LC2 = sweet spot between body and definition
SOUND CHARACTER
- low less intrusive
- medium more defined
- high more readable
- answer more balanced
in practice: less "muddy" than the more defined LC1, more ready for the mix
TIMBRIC PERSONALITY
it's a mic:
- full but controlled
- defined
- very musical
- more modern of LC1
perfect for: rhythmic rock hard rock light metal
rockhard rockrhythmic
Controls
Axis Interaction
- ON-axis → more attack
- OFF-axis → softer
here: ON = ideal OFF = more vintage
Gain (dB)
- volume only
Mic Distance (inch)
- Distance 0–1”: tight
- Distance 1–2”: punch
- Distance 2–4”: balance
- Distance >4”: natural
Low (dB)
already filtered
use:
- 0 → perfect
- rarely negative
High (dB)
use:
- 0 → natural
- +1 → more presence
Delay (ms)
useful for: multi-mic depth
Ambience (Y/N)
optional more useful on clean sounds
Pro Tips
QUICK SUMMARY
- type: dynamic
- character: full but controlled
- strength: balance
- use: universal rock
ON DARK CAB (PPC, Orange)
PERFECT avoids the “mud”
ON MODERN CABs (VHIII, 6505)
very balanced, excellent for rhythms
ON VINTAGE CAB
more controlled less “boomy”
ON HI-FI CAB (TVX, SW Giant)
very useful adds guitar character
PRO
very balanced less muddy more mix-ready easy to use
AGAINST
less body than the LC1 less vintage character less “big”
Setup Examples
MODERN ROCK (TOP)
Dist1–2”
AxisON
Low0
High0
- perfect balance
HARD ROCK
Dist1–2”
AxisON
Low0
High+1
METAL LIGHT
Dist1”
AxisON
Low-1
High+1
STUDIO (layer with SM57)
- 57 = attack 421 LC2 = controlled body

