תיאור
מודול פראמפ Radial Twin-Servo תחייה מודרנית של מעגל JE-990 הקלאסי. תגובת תדרים סופר רחבה של 0.5Hz עד 150kHz. עם שנאי Jensen Audio
נתונים טכניים
- Circuit Type: Two-stage variable gain, all-discrete using original Deane Jensen circuit with IC DC serbvo. Jensen transformer-coupled input and output
- Frequency Response: 14Hz – 85kHz / 8Hz – 100kHz (+/-1dB / +/-3dB)
- Total Harmonic Distortion: 0.004 percent
- Dynamic Range: 91dB
- Input Impedance:
- XLR: 1.3K Ohms
- Instrument: 220K Ohms, unbalanced
- Output Impedance: 75 Ohms
- Maximum Output: +22dBu
- Mic Preamp Gain: +60dB
- Common Mode Rejection (CMRR): -72dB
- Equivalent Input Noise (EIN): -120dBu at maximum gain
- THD+N: 0.004 percent
- Intermodulation Distortion: 0.004 percent
- Microphone Input: Transformer-coupled, Jensen JT-15KE
- Meter: 10-segment peak indicator with hold
- Polarity Reverse: 180°
- Pad: -15dB
- Ground Lift (Rear Panel): Lifts ground on XLR inputs
- XLR Configuration: AES Spec (Pin-1: ground, Pin-2: (+), Pin-3: (-))
- Power: 110mA
- Phantom Power: 48VDC – 10mA (as supplied by 500 frame)
- High-Pass Filter: 6dB/Octave at 150Hz
- Construction: 500 Series Module
- Dimensions: 134mm x 38mm x 178mm / 5.25” x 1.5” x 7”
- Weight: 0.79kg / 1.75lbs
- Conditions: For use in dry locations only between 5°C and 40°C
Controls & Connectivity
- 10-Segment Meter: Custom-designed circuitry ensures exceptional VU meter accuracy
- Dual-Gang Pot: Simultaneously controls the Twin Servo’s dual 990 op-amp topology to ensure optimal gain at all levels
- 180°: Reverses pins 2 and 3 at the output to assist in phase-aligning microphones when two channels are in stereo use
- HPF: Gentle high-pass filter may be inserted into the signal path to reduce excessive LF content and control resonance
- Pad: Reduces the input sensitivity by -15dB when amplifying exceedingly high output sources
- 48V: Activates the 48V phantom power supply for use with condenser microphones and active direct boxes
- Combo: Combination balanced XLR mic input and 1/4” instrument input is mounted on the front panel for quick and easy usage
- Omniport: When used with a Radial Workhorse power rack, the omniport is assigned as an unbalanced 220K Ohm instrument input
- Ground Lift: Set-and-forget rear panel ground switch lifts the pin-1 ground at the XLR input
לכל מוצרי Radial Engineering באסקול – לחץ כאן
לאתר החברה העולמי – לחץ כאן
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