The ultimate 80 Series module…period.
Leverage your 80 Series´s investment with the Heritage Audio 6673.
The 6673 module is a Heritage Audio´s unique design, which has been engineered to fill input module slots in the restoration process of vintage 80 Series sound mixing consoles.
It is also compatible with the Heritage Audio FRAME 8 and RACK 2 powered enclosures, and with any other rack, console or enclosure that follows the same mechanical and electrical protocol.
Don’t settle with the same old song, the 6673 offers what the vintage modules do plus more.
The 6673 is a 73-sized module, adding the 1066 mid band to the 73 classic design, creating a 4 band tone monster that is really hard to beat. In addition, the 73 mid band has been expanded in frequency choices, with the classic 73 ones kept untouched. It also features a Baxandall type High shelf band, but with the
addition of a high frequency selector switch offering 3 different
frequencies instead of the fixed one at 12 kHz.
The result is a 4-band tone monster that combines the best features of the vintage modules in an incredibly smart and tasteful way, at a price that beats most current offerings.
Vintage connoisseurs already know how sweet and powerful the 1066 mid band sounds and how well it complements the 73´s.
Special care has been taken in sourcing the correct components that not only ensure that performance will be as close to a 1970´s unit as possible nowadays, but also gives your top-class studio the look and feel it deserves.
Custom polystyrene and film capacitors have been developed to closely match the Siemens styroflex and Mullard Mustard types of the late 60s and early 70s.
Carnhill input transformers are hand wound at its Oxford factory exclusively for Heritage Audio, enclosed in vintage correct green metal cases for the ultimate in detail nailing.The vintage character is indeed guaranteed and you won´t find them in any other brand´s products.
The Heritage Audio 6673 is entirely handmade and hand wired by only our most experienced technicians in our facilities in Spain, employing the same wiring and soldering techniques of the 70s. All its circuitry is held on 5 plug-in cards.
- Microphone input impedance: HI=1200 Ω minimum, LO=300 Ω minimum. Higher gain positions gradually have greater impedances, perfect for lo gain ribbon mics. Input is transformer balanced and floating.
- Line input impedance: 10 kΩ bridging, transformer balanced and floating.
- Output impedance: Less than 75 Ω, transformer balanced and floating, to drive a load of 600Ω.
- Maximum output: Greater than +26 dBu into 600 Ω, 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: Less than 110 mA @24 V DC.
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