ReValver Cabinets
Doc's Best 212 (B)
Inspired by Thiel® Ported 2x12 (Bottom Speaker)
2x12" Speaker
Type: 2x12 Cabinet (voicing “B”)
Voicing: warm vintage + more present bass
Answer: full, round, musical
Character:
- firmer bass than combos
- medium sweet
- tall soft
- Ideal for rock, blues, leads, crunch, fusion
Controls
Gain (dB)
Microphone level
- Range: -12 → +12 dB
Mic Dist (inch)
- 1–2” → direct
- 2–3” → natural (sweet spot)
- 3–4” → more airy
- recommended -> 2–2.5”
Mic Axis (On/Off)
- On-axis → brighter
- Off-axis → warmer
OFF is often better
Low (dB)
- 2 / -1 dB → tight
- 0 dB → neutral
- +1 / +2 dB → more body
High (dB)
- 2 / -1 dB → warmer
- 0 dB → neutral
- +1 / +2 dB → more attack
Delay (ms)
Phase alignment
- Range -> 0–20 ms
- single mic -> 0 ms
Ambience (Y/N)
- ON → more natural
- OFF → direct
Amb Level (dB)
- 30 → -15 dB → light
- 15 → -5 dB → noticeable
Amb Size (ms)
- 10–30 ms → room
- 30–60 ms → medium
Suggested Microphones
Capacitors:
- 4047 SV (LC)
- 4047 SC
- 4060
- 414B (150Hz C)
- 414B (75Hz C)
- 414B (Card)
- 414B (Omni)
- U87 (C)
- U87 (Fig 8)
- U87 (LC C)
- U87 (LC Fig 8)
- U87 (LC O)
- U87 (Omni)
Ribbons:
Dynamic:
Others:
- CMT 55 (C)
- CMT 55 (O)
- Rezio
- MD421 (LC1) → body (TOP)
- R121 → lead smooth
- U87 (C) → natural
- SM57 → more attack
Setup Examples
CLASSIC ROCK (TOP)
MicMD421
Distance2–2.5”
AxisOFF
Low+1 dB
High0 dB
AmbienceOFF
Full and musical
SMOOTH LEAD
MicR121
Distance2.5–3”
AxisOFF
Low+1 dB
High-1 dB
Soft
DYNAMIC CRUNCH
MicSM57
Distance2"
AxisON
Low0dB
High+2 dB
More attack
NATURAL CLEAN
MicU87
Distance3"
AxisOFF
Low0dB
High+1 dB
AmbienceON
Natural