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Tên thiết bị:   Heritage Audio 1084 - 80 Series Microphone Preamplifier and EQ Module

Model:   Heritage Audio 1084

Thương hiệu:  Heritage Audio

Tình trạng: đóng hộp, hàng mới, chính hãng 100%

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 Product Highlights

    Based On the 1073
    80 dB Class A Microphone Preamp
    10 dB Class A Line Amplifier
    Three Selectable Hi-Shelf Frequencies
    Two Selectable Qs in Mid Band
    Same High Band Q as 1073
    5-Frequency Selectable Low Pass Filter
    Phase Button
    EQ Button
    Ideal for Ribbon Microphones

 

 

Based on the famous 1073, the Heritage Audio 1084 Microphone Preamplifier and EQ Module for 80 series rack enclosures adds additionally flexibility while preserving the original's legendary tone. The main differences are that this module includes three selectable high shelf frequencies instead of the fixed 12 kHz high shelf of the original 1073. It also features two selectable Qs in the mid band, while the hi Q is the same as in the 1073. Additionally, a five-frequency selectable passive LC low pass filter further expands the utility of the module to a wider range of recording applications.

For example, the low pass filter is useful for sweetening overhead tracks by helping reduce the harsh or brittle quality of hi hats and cymbals. It can also help remove unwanted hiss and noise from bass-heavy tracks where a flat frequency response is required. By combining the high and low pass filter, special effects can be achieved such as telephone, radio, and TV sounds that have an analog warmth which is not possible just by using plugins.

The Lo Q option in the mid band makes heavy boosting sound natural and reduces the processing requirements for a particular sound.

 

  • 80 dB Class A Microphone preamplifier, HI-LO selectable minimum input impedance, balanced and floating. High gain positions show a higher impedance, ideal for old ribbon mics
  • 10 dB Class A Line Amplifier, Bridging input impedance, balanced and floating
  • Class A, single ended, 2N3055 driven high headroom output stage
  • High Frequency: +/-16 dB shelving at either 10, 12 or 16 kHz, Baxandall type
  • Low Frequency: +/-16 dB with selectable frequency shelving of 35, 60, 110 & 220 Hz, Baxandall type
  • Mid Frequency: Choice of 2 different 'Q' values with either +/-18 dB or +/-16 dB peaking, selectable center frequencies of 0.36, 0.7, 1.6, 3.2, 4.8, and 7.2 kHz , dual inductor based
  • High Pass Filter: 18 dB per octave slope, switchable between 45, 70, 160 & 360 Hz, inductor based
  • Low Pass Filter: 18 dB per octave slope, switchable between 6, 8, 10, 14 and 18 kHz, inductor based
  • EQ Button: Switches the equalizer on or off
  • Phase Button: Flips phase 180º

 

 

Input Impedance Microphone HI: 1200 ohms transformer balanced and floating
Microphone LO: 300 ohms
Higher gain positions gradually have greater impedances

Line: 10 kOhms bridging, transformer balanced and floating
Output Impedance Less than 75 ohms, transformer balanced and floating to drive a load of 600 ohms
Maximum Output Greater than +26 dBm into 600 ohms, greater than +32 dBu into 10 kOhms
THD Less than 0.025% at 1 kHz, less than 0.05% at 100 Hz
Frequency Response 20 (+0.3 dB) to 20,000 Hz (-0.2 dB)
Maximum Gain Slightly greater than 80 dB
Noise Less than -100 dBm
Power Consumption 106 mA at 24 VDC
Dimensions (W x H x D) 1.77 x 12.2 x 8.74" (4.5 x 31 x 22.2 cm)
Weight Not specified by the manufacturer

 

In the Box
Heritage Audio 1084 - 80 Series Microphone Preamplifier and EQ Module
  • Limited 1-Year Warranty

 

 

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