Heritage Audio '73 JR 500 Series 1073-Style Microphone Preamp

Description

Category
500 Series
Modular Synth
Keyboards
Microphones
Preamps
Dynamics
Equalizers
Monitoring
Computer Audio
Interfaces
Software
Beat Production
Heritage Audio 73JR
The
Heritage Audio 73JR
is true 1073 style mic preamp in a single 500 series slot with some added features that will cover all the recording needs for engineers and musicians who require EQ. Employing only discrete circuitry and conventional components, the 73JR is a faithful 3-stage all class A 1073 preamp. Styroflex and tantalum capacitors have been used throughout. No corners were cut.
A useful all discrete Class A high-pass filter has been added, essential for recording everything with the exception of probably kick drum and and bass. The Line mode allows for reamping of prerecorded tracks and it's perfect for adding some Class A color to lifeless recordings.
The smart switched DI (automatically switches from MIC to DI mode when inserting a MONO ¼” jack) is an all-discrete Class A JFET circuit ahead of the MIC transformer, so all the juice is there. Since its introduction in 2013, it has become a classic DI for bass.
Finally, special care has been taken with power handling, implementing internal +24 V slow turn on regulation (about 20 seconds to reach full voltage). This makes your 500 series enclosure's power supply healthier and makes the 73JR independent from the rest of the slots.
Specifications:
Microphone input impedance: HI, 1200 Ohm minimum, LO, 300 Ohm minimum, higher gain positions gradually have greater impedances, optimum for lo gain ribbon mics, input is transformer balanced and floating
Line input impedance: 10 kOhms bridging, transformer balanced and floating
DI input impedance: Greater than 2 Megohms, unbalanced
Output impedance: Less than 75 Ohms, transformer balanced and floating, to drive a load of 600 ohms (factory terminated)
Maximum output: Greater than +26 dBu into 600 ohms
THD: Less than 0.025% at 1 kHz, less than 0.05% at 100 Hz
Frequency response: 20 Hz (+0.3 dB) to 20 kHz (-0.2 dB)
Maximum gain: Slightly greater than 80 dB
Noise: Less than -100 dBu
Power consumption: 88 mA per rail @±16 VDC
About Us
Since 1993, we have been committed to equipping our customers with the very best gear, advice, and personal service anywhere. We believe that great sound can be achieved at any budget. We also believe that the ambitions of our customers should always come first. For us, it's about building long-lasting relationships, not just selling gear. And over the years, those beliefs have turned customers into friends and family. Whether you're just starting out, or a seasoned pro, we're here for you, no matter where your audio travels may take you.
Shipping Policy
Free ground shipping to the lower 48 states Via FedEx. All of our items ship via FedEx. On checkout, it may look like you are selecting a UPS shipping method, but the item will be shipped via the equivalent FedEx method.
Import Duties and Tax
Since import taxes and/or duties that your government might impose on products shipped from the United States may apply, you (the customer), are solely responsible for shipping charges, taxes, and duties, once goods arrive in your country.
Undeliverable/Rejected Package
If your package was rejected by your local Customs Bureau or the shipment could not be delivered and was returned to Vintage King Audio for any reason, we are not responsible for the shipping costs.
Free Extended Warranty
All new items that Vintage King carries are subject to our FREE extended warranty protection. Basically, if the manufacturer offers a 1-year warranty on your product, then you are covered under the same warranty terms for a total of 2 years from the time of initial shipment. Likewise, if the manufacturer offers a 5-year warranty, then you receive a total of 6 years of coverage when purchased through Vintage King. We add 1 year to your standard manufacturer's warranty period, FREE of charge, whatever the manufacturer's warranty period may be.
Duties and tax for warranty and damage replacement items
International Duties and tax for warranty and damage replacement items may apply. Even though you may have paid shipping, taxes or duty on your original order, it is IMPORTANT to understand that your government may impose duties and taxes for warranty items or replacement items damaged during shipment from the United States for the new order. You (the customer), are solely responsible for shipping charges, taxes, and duties, once goods arrive in your country.
Used Item Warranties
Vintage King offers an industry-leading level of technical service and warranty support on our used and vintage items. Our used item warranty periods are as follows:
Analog Outboard Gear – 1 Year
Microphones – 1 Year (excluding capsules, tubes, and ribbon elements)
Speakers – 1 Year (excluding drivers)
Digital Outboard Gear – 30 Days
Return Policy
We do our best to help you choose the perfect gear, but if you don't love it in the first 30 days after receipt, please contact us through eBay for a return authorization.
Note:
Software is not returnable or refundable.
What Are "Demo Deal" or "B-Stock" Products?
Our Demo Deals and B-Stock products offer a unique opportunity to save big on near-mint condition, fully warrantied gear. These items have been opened for demonstration purposes and put back in the box without extended use. All original factory accessories and packaging are included.
In addition to the manufacturer's warranty, Demo Deal and B-Stock items also come with an additional 1-year of warranty coverage from Vintage King, free of charge, so rest assured that not only are you saving big by purchasing a Demo Deal/B-Stock item, but you will also receive the same level of world-class support from Vintage King as with the purchase of a factory-sealed unit.
Taxes
Vintage King collects sales tax for shipments to Alabama, Arkansas, Arizona, California, Colorado, Connecticut, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Nebraska, Nevada, New Jersey, New Mexico, New York, North Carolina, Ohio, Oklahoma, Pennsylvania, South Carolina, Tennessee, Texas, Utah, Vermont, Virginia, Washington, Washington D.C., Wisconsin and Wyoming. Partial and complete tax exemptions may be available in your state. Contact us through eBay for details.
Note:
eBay may collect sales tax in states not listed above.