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PHONOGRAPHIC PREAMPLIFIER & GENERAL:
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| Input Amplifier Signal Path |
Discrete NPN Transistor-Hybrid |
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(HV-3 “PAM-01”) |
| EQ Amplifier Signal Path |
All Discrete J-FET Servo |
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(NSEQ-2 “FSA-01”) |
| Discrete Transistors (J-FET & NPN) |
Total 36 in stereo audio path THD + Noise, 20 Hz - 30 kHz |
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<.01% typical, RIAA in, filters out, +45 dB gain
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| Frequency Response, +/- 0.5 dB |
10 Hz to 100 kHz, comps & filters out, + 45 dB gain |
| Common Mode Rejection Ratio |
-75 dBu typical, 10 Hz - 50 kHz, 1.0V P/P CM |
| Maximum Input / Maximum Output |
+23 dBu flat / + 26 dBu RIAA in |
| Maximum System Gain |
60 dB Nominal. Higher upon request. |
| Phono Input Impedance |
User selectable. Factory Stock: 47.5k ohms & 270 pF |
| Output Impedance |
49.9 ohms |
| Broadband Noise (no weighting filters) |
Better than -125 dBu EIN, flat. -98 dBu EIN, RIAA in |
| Three-pin XLR Polarity |
Pin 2 = positive polarity, Pin 1 = ground |
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| PHONOGRAPHIC COMPENSATION & CORRECTIVE FILTERS: |
| Maximum Filter Boost & Cut |
+/- 10 dB (21 step detented) |
| Notch Filter "Q" (Quality Factor) |
Q = 1.0 |
| Low Frequency Compensation (Hz) |
200, 250, 300, 400, 500/RIAA, 700/USER |
| High Frequency Compensation (dB @ 10 kHz) |
-5.0, -7.0, -9.5, -11.5, -13.7/RIAA, -16.0/USER |
| Low Filter Fixed Frequencies (Hz) |
20, 35, 60, 100, 180, 260 |
| High Filter Fixed Frequencies (kHz) |
1.0, 2.0, 3.0, 5.0, 8.0, 12.0 |
| Peak/Shelf Selection on all Filters? |
Yes (4) |
| Bypass Selection on all Bands? |
Yes (8) |
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ELECTRO-MECHANICAL:
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| Power Consumption |
50 Watts, nominal |
| Power Requirements |
100VAC to 240VAC, 50/60Hz, user selectable |
| Fuses (external, 2 required) |
2 ea 1.0A with 100-120VAC mains (5x20mm) |
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2 ea 500 mA with 200-240VAC mains (5x20mm)
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| Internal Power |
+25VDC / -25VDC
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| Dimensions |
19.0” W x 15.0" D x 3.5" H (2u rack mount) |
| Net Weight |
approximately 26 pounds |
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