User Manual for Heritage Audio 8173 Microphone Preamplifier Module Click to enlarge the picture
Contents of the user manual for the Heritage Audio 8173 Microphone Preamplifier Module
- Product category: Microphone Preamps Heritage Audio
- Brand: Heritage Audio
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Heritage Audio Microphone Preamps
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User manual for the Heritage Audio 8173 Microphone Preamplifier Module contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Heritage Audio product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Heritage Audio user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Heritage Audio product will considerably shorten its lifespan!
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Product description The Heritage Audio 8173 Microphone Preamplifier Module is a hybrid 80 series console-compatible module that combines an 80 dB microphone and 10 dB line recording preamplifier with a 4-band EQ based on the vintage 1081 module designed by Rupert Neve. The module was designed so that a recording engineer could use the flexibility of the full spectrum 1081 EQ with the sound of the 1073's Class A amplification. This module features the same Class A circuitry, the same specifications, and the same construction techniques used in the original 1073.
The unit supports selectable HI-LO minimum balanced and floating input impedances that accommodate a range of microphone types including vintage ribbons. It includes a ±16 dB selectable low-frequency Baxandall shelving EQ at 35 Hz, 60 Hz, 110 Hz, and 220 Hz. For lower middle frequencies, the unit includes a 1081 inductor-based ±18 dB peaking fixed 'Q' equalizer with center frequencies at 220 Hz, 270 Hz, 330 Hz, 390 Hz, 470 Hz, 560 Hz, 680 Hz, 820 Hz, 1000 Hz, and 1200 Hz. For upper middle frequencies, the unit includes a 1081 inductor-based ±18 dB peaking fixed 'Q' equalizer with center frequencies at 1500 Hz, 1800 Hz, 2200 Hz, 2700 Hz, 3300 Hz, 3900 Hz, 4700 Hz, 5600 Hz, 6800 Hz, and 8200 Hz.
An 18 dB per octave slope inductor-based high pass filter push-button switch allows you to cut below 50 Hz, 80 Hz, or 300 Hz depending on the application. An EQ button allows for the equalizer to be turned on or off and a phase button allows you to flip the signal 180°. UPC: 639713908220 In the Box Heritage Audio 8173 Microphone Preamplifier Module Limited 1-Year Warranty Table of Contents
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Technical parametersHeritage Audio 8173 Specs | Input Impedance | Microphone
HI: 1200 Ω minimum
LO: 300 Ω minimum
Line: 10 kΩ bridging, transformer balanced and floating | | Output Impedance | Less than 75 Ω,
Transformer balanced and floating to drive a load of 600 Ω | | Maximum Output | Greater than +26 dBm into 600 Ω
Greater than +32 dBu into 10 kΩ | | THD | Less than 0.025% at 1,000 Hz
Less than 0.05% at 100 Hz | | Frequency Response | 20 Hz (+0.3 dB) to 20,000 Hz (-0.2 dB) | | Maximum Gain | Slightly greater than 80 dB | | Noise | Less than -100 dBm | | Power Consumption | 110 mA at 24 VDC | | Dimensions (W x D x H) | 1.77 x 12.2 x 8.74" (4.50 x 31.0 x 22.2 cm) | | Weight | 5.1 lb (2.3 kg) |
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