
ReValver Cabinets
Michael Bluesmaker 212 Open Back
Inspired by Marshall® Bluesbreaker 2x12 Open Back
2x12" Speaker
2x12 open-back Fender style Bluesbreaker / vintage combo features:
- open and three-dimensional sound
- low diffused (not tight)
- soft mids
- high, sweet and “air”
- SOUND CHARACTER
- Very organic
- Very dynamic
- little compressed
- great feeling of “amp in the room”
- in practice perfect for blues, clean, edge of breakup, vintage rock
Controls
Gain (dB)
Mic volume
- ↑ more output
- ↓ more headroom
Mic Dist (inch)
KEY PARAMETER
- 1–2” → more direct
- 2–4” → balance
- >4” → very airy
- This cab -> improves by increasing distance very realistic
Mic Axis (On/Off)
- Hon → brighter
- OFF → softer
- here -> OFF almost always better ON only for more attack
Low (dB)
- negative → less boom
- positive → more body
- open-back: bass already diffused → pay attention to boost
High (dB)
- negative → less bright
- positive → more air
- here -> often NO boost is needed
Delay (ms)
Signal delay.
- 0 ms → direct
- 1–5 ms → depth
- 5 ms → ambient
- useful for -> simulating real distance
Ambience (Y/N)
- OFF → close mic
- ON → simulated environment
Amb Level (dB)
- low → natural
- high → ambient
Amb Size (ms)
- 20–40 → small room
- 40–80 → study
- 80–120 → large
here: works very well increases realism
Suggested Microphones
This cab is:
here realistic three-dimensional sound perfect for clean
BEST MATCH:
here less harsh vintage sound, very natural
perfect for classic blues rock
here they can make the sound too “closed”
Usage: Only for more aggressive sounds
Setup Examples
CLEAN BLUES (TOP)
MicU87
Dist3–5”
AxisOFF
Low0
High0
AmbHon
Size60–100 ms
super realistic
VINTAGE BLUES
MicR121
Dist2–4”
AxisOFF
Low+1
High-1
AmbHon
EDGE OF BREAKUP
Mic414
Dist2–3”
AxisOFF
High+1
AmbHon
LIGHT ROCK
MicSM57
Dist1–2”
AxisOFF
Low0
High-1

