MD421 (LC1)
ReValver Microphones

MD421 (LC1)

Inspired by Sennheiser® MD421 (Bass Roll-Off Switch 1)

Model: Sennheiser MD 421

acronym:

  • LC1 = Low Cut level 1 (minimum cut) therefore: almost full-range only slight control on the lows

SOUND CHARACTER

  • low full and deep
  • medium round
  • high softer than the SM57
  • answer very musical

in practice: fuller than the SM57 less aggressive more "study"

TIMBRIC PERSONALITY

it's a mic:

  • full-bodied
  • heat
  • natural
  • slightly smooth

perfect for: hard rock rhythmic full lead

rockhard rockrhythmic

Controls

Axis Interaction

  • ON-axis → more attack
  • OFF-axis → softer

here: ON = definition OFF = more vintage

Gain (dB)

  • volume only

Mic Distance (inch)

  • Distance 0–1”: very full
  • Distance 1–2”: punch + body
  • Distance 2–4”: balance
  • Distance >4”: natural

Low (dB)

IMPORTANT PARAMETER

  • bass already abundant

use:

  • 0 → natural
  • 1 / -2 → tighter

High (dB)

use:

  • 0 → natural
  • +1 → more presence
  • rarely beyond

Delay (ms)

useful for: depth multi-mic combinations

Ambience (Y/N)

optional

Amb Level (dB)

  • low → natural

Amb Size (ms)

  • 40–80 → study

Pro Tips

QUICK SUMMARY

  • type: dynamic
  • character: full / warm
  • strength: body
  • risk: excessively low

ON DARK CAB (PPC, Orange)

be careful → it may become too full

solution:

  • low -1
  • axis ON

ON MODERN CABs (VHIII, 6505)

PERFECT adds body

ON VINTAGE CAB

excellent big sound

ON HI-FI CAB (TVX, SW Giant)

very useful adds “guitar feel”

PRO

very full very musical perfect for rock excellent complement to the 57

AGAINST

less defined can be muddy less sharp in the mix

Setup Examples

CLASSIC ROCK (TOP)

Dist1–2”
AxisON
Low-1
High0
  • full and defined

HARD ROCK

Dist1–2”
AxisON
Low0
High+1

LEAD

Dist2–3”
AxisOFF
High+1
Amblight

STUDIO (layer with SM57)

  • 57 = attack 421 = body