INFINITY ENTRATWO
Service Manual

Technical Manual

Entra Two
ACOUSTIC & ELECTRICAL SPECIFICATIONS: l Nominal Impedance: 89
l l l l

Max Amp Power Frequency Response Sensitivity: Crossover Frequency:

125 watts* 50Hz - 20,000Hz (E3dB) 90dB (2.83V @ 1 meter) 2500Hz; 24dB/octave

AURAL SWEEP TEST SPECIFICATIONS: l System Aural Sweep Test 6.0V Input 50 Hz to 20 kHz l L.F. Aural Sweep Test 5.0V Input 50 Hz to 3 kHz l H.F. Aural Sweep Test 2.83V Input 2 kHz to 20 kHz PHYSICAL SPECIFICATIONS: l Enclosure dimensions:
l

SYSTEM COMPONENTS: Cabinet l
l l

ENTRA TWO (Not for Sale) 336416-001 6-1/2� (165mm) C.M.M.D., magnetically shielded (336418-001) 4.5 ohms E10% 3/4� (19mm) C.M.M.D., magnetically shielded (336417-001) 3.3 ohms E10% 338962-002

Weight

31-3/4� x 8-1/2� x 9-3/4� (806mm x 216mm x 248mm) 24 lbs (11 kg) each

Grille, Gray Low-Frequency Transducer:

WARRANTY: l Refer to Warranty Statement packed with each product.

l

DC Resistance High-Frequency Transducer:

DC Resistance
l

* The maximum recommended amplifier power rating will ensure proper system headroom to allow for occasional peaks. We do not recommend sustained operation at these maximum power levels.

Crossover Network

PACKING

WIRING DIAGRAM
YEL/BLK YEL + HIGH FREQUENCY TRANSDUCER 336417-001 GRN GRN/BLK NETWORK, ENTRA TWO 338962-002

+ LOW FREQUENCY TRANSDUCER 336418-001

ENTRA TWO SCHEMATIC
L1 1.0 mH +IN C1 15 mF 100V C2 20 mF 100V L2 2.0 mH R1 9.1 ohms 10W C3 3.3 mF 100V C4 15 mF 100V L.F. GRN .250 +

00250

-IN

GRN/BLK

.205

-

YEL

.205

+ H.F.

L3 0.2 mH YEL/BLK .110

-

Infinity Systems, Inc. 250 Crossways Park Dr., Woodbury, New York 11797

Rev1 03/02

Entra Two