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- Very good scan quality, PERFECT!
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Original well scanned manual. Got the job done. Microwave problem found & corrected. For $5 and a new magnitron from ebay, it was a cheap and good the first shot fix. Electrical schematics allowed me to mage sure every thing else was ok before cutting and order for parts. Hard to live without.
Technical Manual
Primus 250
ACOUSTIC & ELECTRICAL SPECIFICATIONS: � Nominal Impedance 8Ω � Max Amp Power 150 watts* � Frequency Response 49Hz � 20kHz (±3dB) � Sensitivity 92dB (2.83V @ 1 meter) � Crossover Frequency 2,500Hz; 24dB/Octave SYSTEM COMPONENTS: � Cabinet � Grille, Black Grille, Gray � Low-Frequency Transducer AURAL SWEEP TEST SPECIFICATIONS: � System Aural Sweep Test 6.0V Input 50Hz to 20kHz � L.F. Aural Sweep Test 5.0V Input 50Hz to 3kHz � H.F. Aural Sweep Test 2.83V Input 2kHz to 20kHz PHYSICAL SPECIFICATIONS: � Dimensions 35-1/2" x 7-3/8" x 11-3/4" (H x W x D) (900mm x 187mm x 300mm) � Weight 35.3 lb (16kg) Each WARRANTY: � Refer to Warranty Statement packed with each product. * 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.
DC Resistance � High-Frequency Transducer
DC Resistance � Crossover Network
Primus 250 (Not for Sale) 244-050-00260B 244-050-00260G Dual 5-1/4" (130mm) MMD, � magnetically shielded 13PR80BZD-HW01 7.5 ohms ±10% 3/4" (19mm) MMD, � magnetically shielded 85DA20AJ-DT02 3.1 ohms ±10% 013-7500-00755
PACKAGING
18 21
Primus 250 WIRING DIAGRAM
+
HIGH-FREQUENCY TRANSDUCER 85DA20AJ-DT02
WHT BLUE
�
19
+ RED � BLK
WHT GRN
�
+
LOW-FREQUENCY TRANSDUCER 13PR80BZD-HW01
WHT GRN CROSSOVER NETWORK 013-7500-00755
�
Primus 250 SCHEMATIC
20
+
C2 40uf 100V L1 .9mH 13" GRN C1 5.1uf 100V
.205
INPUT
L2 .6mH L3 2.0mH C3 3.0uf 100V
13-3/4" GRN
.205
L.F. 2
.110
13-3/4" WHT
�
13" WHT 17" BLUE C4 5.1uf 100V L4 0.12mH C5 11uf 100V 17" WHT
.110 .205
17
H.F.
.110
Legend on Page 2
Infinity Systems, 250 Crossways Park Drive, Woodbury, New York 11797
1/06
Primus 250
L.F. 1
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