ESC
Reference Standard I (Rev. 3)

Reference Standard I (Rev. 3)

BrandInfinity
DesignerArnie Nudell
FunctionSpeaker
Produced198?-198?
CountryUnited States
Model IDRS-IA
Form FactorFloorstanding
Signal PathAnalog Hardware
DimensionsMidrange/Tweeter Panels: 60"x24"x12" Bass Columns: 60"x12"x12" (HxWxD)
Weight400lbs
Frequency Response25Hz-32kHz ±2dB
SupertweeterEMIT* (PN 902-5086)
Tweeter (Front)EMIT* (x2) (PN 902-5086)
Tweeter (Rear)EMIT* (PN 902-5086)
MidrangeEMIM (PN 902-0012)
MidbassEMIM (x6) (PN 902-0012)
Woofer8" Polypropylene Cone (x6) (PN 902-5009)
Impedance4Ω
Recommended Amplifier Power (Midrange/Treble)75W
Recommended Amplifier Power (Bass)150W
Crossover Points140Hz, 700Hz, 3kHz, 8kHz (1st Order)
Horizontal Dispersion±2dB in 180°
FinishOak
MSRP$12,000
Connections
  • Input · Binding Post (Universal)
Controls
  • Tweeter Level (High) · Rotary Pot
  • Tweeter Level (Low) · Rotary Pot
Notes*EMIT (ElectroMagnetic Induction Tweeter) Requires Reference Standard Crossover Fourth fuse holder added to protect midrange EMIM from overload. Some crossover revisions.