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LOC Analog Legacy
Phonographic / Archiving
Preamplifier more info

Dreaming of the ultimate
audio gear? Think Millennia Custom Shop

 
Product Specifications
   


PHONOGRAPHIC  PREAMPLIFIER  &  GENERAL:

Input Amplifier Signal Path
EQ Amplifier Signal Path
Frequency Response, +/- 0.5 dB
Common Mode Rejection Ratio
Maximum Input / Maximum Output
Maximum System Gain
Phono Input Impedance
Output Impedance
Broadband Noise (no weighting filters)
Three-pin XLR Polarity

Discrete NPN Transistor-Hybrid (HV-3 PAM-01)
All Discrete 100V J-FET Servo (MM-120)
10 Hz to 100 kHz, comps & filters out, + 45 dB gain
 -75 dBu typical, 10 Hz - 50 kHz, 1.0V P/P CM
 +23 dBu flat / + 26 dBu RIAA in
 60 dB Nominal. Higher upon request.
User selectable. Factory Stock: 47.5k ohms & 270 pF
 49.9 ohms
Better than -125 dBu EIN, flat.  -98 dBu EIN, RIAA in
Pin 2 = positive polarity, Pin 1 = ground

PHONOGRAPHIC COMPENSATION  &  CORRECTIVE FILTERS:

Maximum Filter Boost & Cut
Notch Filter "Q" (Quality Factor)
Low Frequency Compensation (Hz)
High Frequency Compensation  (dB @ 10 kHz)
Low Filter Fixed Frequencies (Hz)
High Filter Fixed Frequencies (kHz)

Peak/Shelf Selection on all Filters?
Bypass Selection on all Bands?
Balanced Phono Input (MC and MM)
Phono Preamp Direct Output (fixed level)
Phono Preamp Direct Output (variable level)
Unbalanced EQ Out (fixed level)
Balanced EQ Out (variable level)

+/- 10 dB (21 step detented)
Q = 1.0
200, 250, 300, 400, 500/RIAA, 700/USER
-5.0, -7.0, -9.5, -11.5, -13.7/RIAA, -16.0/USER
20, 35, 60, 100, 180, 260
1.0, 2.0, 3.0, 5.0, 8.0, 12.0
Yes (4)
Yes (8)

ELECTRO-MECHANICAL:

Power Consumption
Power Requirements
Fuses (external, 2 required)

Internal Power
Dimensions
Net Weight

60 Watts, nominal
100VAC to 240VAC, 50/60Hz, user selectable
2 ea 1.0A with 100-120VAC mains (5x20mm)
2 ea 500 mA with 200-240VAC mains (5x20mm)
+/-50VDC +/-25VDC +5VDC
19.0” W x 15.0" D x 3.5" H (2u rack mount)
approximately 26 pounds

 
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