ESC
Reference Standard IIA

Reference Standard IIA

BrandInfinity
DesignerArnie Nudell
FunctionSpeaker
Produced1983
CountryUnited States
Model IDRS-II
Form FactorFloorstanding
Signal PathPassive Hardware
Dimensions57.8 × 121.9 × 45.7 cm (W × H × D)
Weight100lbs
Frequency Response29Hz-32kHz ±2dB
SupertweeterEMIT* (PN 902-5002)
Tweeter (Front)EMIT* (PN 902-5086)
Tweeter (Rear)EMIT* (PN 902-5086)
Upper MidrangeEMIM (PN 902-0012)
MidrangeEMIM (x2) (PN 902-0012)
Bass10" Polypropylene Cone (X2) (PN 902-2279A)
Impedance4Ω
Crossover Points150Hz, 800Hz, 4kHz, 8kHz
Recommended Amplifier Power60-250W
FinishOak
MSRP$2,700
Connections
  • Input · Banana
Controls
  • Ultra HF Level · Rotary Pot
  • HF Level · Rotary Pot
  • Mid Level · Rotary Pot
Notes*EMIT (ElectroMagnetic Induction Tweeter)