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Tên thiết bị: Heritage Audio '73 Junior API 500 Series Microphone Preamplifier Module
Model: Heritage Audio '73
Thương hiệu: Heritage Audio '73
Tình trạng: đóng hộp, hàng mới, chính hãng 100%
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Product Highlights
1U Module Fits API 500 Series Lunchbox
80 dB Class A Microphone Preamplifier
50 dB Class A Bridgeable Line Amplifier
Balanced and Floating Input Impedance
20 dB Microphone Attenuation Pad
18 dB per Octave 80 Hz High-Pass Filter
Internal Slow Turn-On +24V Power Supply
3 Gain Stage Modular Card Construction
Carnhill Input and Output Transformers
Marconi-Style Knobs and Engraved Buttons
Heritage Audio 73 JR overview
The Heritage Audio '73 Junior API 500 Series Microphone Preamplifier Module is a 1U 500 series compatible 80 dB microphone and 10 dB line recording reproduction module based on the vintage 1073 designed by Rupert Neve. The remake is intended for recording engineers who want the classic Neve sound but do not need the equalizer functionality of the original module.
Using Styroflex and tantalum capacitors, the designers were able to fit all three 1073 discrete component Class A preamplifier gain stages in 1U of an API 500 Series lunchbox module.
The preamplifier supports selectable HI-LO minimum balanced and floating input impedances that accommodate a range of microphone types including vintage ribbons. You can also switch the module into line mode to re-amplify pre-recorded tracks and add color to a mix. Plugging in a mono 1/4" input into the DI port on the front of the unit automatically switches the module from MIC to DI mode. A discrete component Class A 3rd order 80 Hz high-pass filter with an 18 dB per octave slope has been added for recording sources without the effects of low-frequency coloration. An output control knob is included to prevent overloading the preamplifier.
The unit is powered by a +24V slow turn on power regulator that takes approximately 20 seconds to reach full voltage. This design improves the overall operation of your lunchbox PSU and makes the unit independent from the other modules in the lunchbox. To achieve the classic feel of the original 1073, the unit is constructed with Marconi-style knobs and vintage engraved pushbuttons.
Heritage Audio 73 JR specs
| Input Impedance | Microphone HI: 1200 Ω minimum LO: 300 Ω minimum Line: 10 kΩ bridging, Carnhill transformer balanced and floating DI: Greater than 2 MΩ, unbalanced |
| 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 |
| 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 | 88 mA per rail at ±16 VDC |
| Dimensions (W x D x H) | 1.50 x 6.89 x 5.32" (3.81 x 17.5 x 13.5 cm) |
| Weight | 1.3 lb (0.6 kg) |
| Packaging Info | |
|---|---|
| Package Weight | 2.85 lb |
| Box Dimensions (LxWxH) | 10.5 x 8.3 x 4.1" |
Limited 1-Year Warranty
With 150% of the required current for a 6-space 500-series enclosure, the Rupert Neve Designs R6 will help you hear the full potential of your modules. The headroom in available current helps prevent the power rails from falling under a higher than expected load. LED metering shows you how much power is being used and the internal power supply has been designed with double shielding to avoid significant magnetic induction in any of the channel positions.
The solid steel chassis has a collapsible handle for portability. The unit offers a total of eight balanced I/O channels with interchangeable TRS, XLR, and DB-25 connections with a 48V phantom power bus. The channel 7-8 thru connections can be used as a way to quickly and easily convert your signal from and to DB-25, XLR, and TRS connectors. To accommodate 500 series modules that are slightly out of spec, the unit has variable-position screw holes to make the installation process go more smoothly. A 500 series link function can be enabled in pairs using the link jumpers on channels 1-2, 3-4, or 5-6. Matching blank panels are also available to cover any empty slots.
- 150% Available Current
- Prevents power rails from failing under a higher than expected load
- Connections
- Features balanced DB-25, XLR, and TRS connections to ensure connectivity wherever you go with the back panel patch bay
- Power Monitoring
- Monitors the current usage to ensure that you never run short of power. The metering can also be useful for troubleshooting a module that is severely overdrawing its allotment
- Double Shielded PSU
- Helps avoid significant magnetic induction in any of the channel positions
- Channel 7-8 Thru Conversion
- Allows you to quickly and easily convert your signal from/to DB-25, XLR, and TRS connectors
- 48V Phantom Supply
- Provides reliable power to your microphones using the +48V bus
- Solid Steel Chassis
- Provides durable and reliable use in a range of recording applications with rubber feet for both horizontal and vertical mounting
- Collapsible Handle
- Improves the portability of the enclosure
- Variable Position Screw Holes
- Makes it easier to install 500 series modules that are slightly out of spec
- 500 Series Link Function
- Enables Channels 1-2, 3-4, or 5-6 to be linked using link jumpers
-
Rupert Neve Designs R6 specs
Packaging Info Package Weight 12.35 lb Box Dimensions (LxWxH) 18.1 x 12.4 x 9.7"
- Limited 1-Year Warranty
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