The Vintech X81 Microphone Preamp & Equalizer is a dream come true for many an engineer! It features the same celebrated microphone preamplifier as the X73, but with a more comprehensive four band equalizer.
Many engineers love the Class A sound of the Neve 1073, but they always craved the equalizer section of the 1081 which featured TWO mid-frequency bands instead of just the one in most all other Neves. However, the 1081 utilized class AB amplifiers - which is typically a more "even" sounding amp where the eccentricities of the Class A Neve circuits are what most consider to be magical.
The Vintech X81 Microphone Preamp features a class A, all discrete mic preamplifier, but with a more comprehensive four band equalizer with "Q" adjustments on the two mid range frequencies. The Vintech utilizes the same class A amplifier designs found in the Neve 1073 module throughout the Vintech X81 Class A. The equalizer section features ten low mid frequency points, 10 hi mid frequencies, 5 frequecy choices on both the low and high shelving adjustments. There is also a high pass filter, a D.I. and an ouput strength meter.
The Vintech X81 Class A requires the Vintech X73 Power Supply Unit in order to operate. However, one of these power supplies will power up to FOUR Vintech units. By using a separate remote power supply, Vintech units maintain an extremely low noise specification.
Vintech X81 Microphone Preamp & Equalizer Features
- Same Class A preamp as found in the X73, but features the 4-Band EQ section of the 1081 modules
- High and Low Shelving bands (5 points for each band)
- Low-Mid and Hi-Mid frequency selections (10 points for each band) with Hi-Q (narrow bandwidth) switches for each
- Selectable Hi-Pass Filter
- D.I. Instrument Input on front panel
- Requires Vintech X73 Power Supply Unit to operate
Vintech X81 Microphone Preamp & Equalizer Specifications
- INPUT:
- Microphone Gain of +70dB to +20dB in 5dB steps
- Switchable microphone input impedance between 300 and 1,200 ohms
- Line Impedance of 10kOhm
- Line Input Gain of +20dB to -10dB in 5dB steps
- Both Inputs are Transformer Balanced
- Switch for +48-Volt phantom power
- 1/4" D.I. on the front panel
- Polarity / Phase switch
- Input Level Control (a portion of the range is dedicated to MIC and the other to LINE)
- OUTPUT:
- Class-A output amplifier that utilizing authentic 2N3055 NPN transistor.
- Custom-wound output transformer - most closely matches vintage Neve 1073 performance and sound
- Hand-wired Elma rotary input gain selector switch
- Clarostat output level control
- Output Level LED display ranges from -6 dB to +18 dB
- Output impedance of 75 Ohms @ 1kHz
- Maximum Output of +26dBu into 600 Ohms
- EQUALIZER:
- 4-Band EQ with High Frequency and Low Frequency Shelving, Hi-Mid and Low-Mid Freq bands w/ Hi-Q for each band
- Hi-Pass Filtering
- Switch for engaging EQ in/out of circuit
- Faithful and accurate equalizer frequencies
- Authentic Electroswitch dual-concentric switch/pots for equalizer
- Gold contacts throughout
- CONNECTIONS:
- Balanced Neutrik XLR input and output
- 1/4" D.I. on the front panel
- 1/4" TRS balanced line input
- XLR Output is Transformer Balanced and Earth Free
- 1/4" Output is Transformerless and Unbalanced
- PHYSICAL:
- 16-Gauge, 1 RU, All-steel Chassis
- Power LED
- Requires Vintech X73 Power Supply (not included)
- Other Specifications:
- Frequency Response: +/- 0.5dB, 20Hz to 20kHz, -30dB @ 40kHz with EQ Out
- Noise: No more than -83dBu at all line gain settings
- EIN is better than -125@ 60dB gain
- Distortion is no bore than 0.07% from 50Hz to 10kHz at +20dBu output into 600 Ohms
Vintech X81 Microphone Preamp & Equalizer Includes
- X81 Microphone Preamp
- Power Cable
- 1 Year Warranty
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