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  • Golden Age Project EQ73 -

Golden Age EQ73

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Product Description

One channel vintage style 3-band equalizer.
A 230V power adaptor is included.

Please note: If you are using the EQ-73 with the PS-AC4 or with the bigger power adaptor used by the PRE-73, please change the internal fuse to a slow blow one with a rating of 1,25 or 1,5 A.
If you want to use the EQ-73 as a self contained unit, a customer suggested complementing them with this low cost unit:
It will convert the low level and unbalanced Insert jack of the EQ-73 to balanced +4dBu ones that can interface with all your other studio gear.
The customer tried it and said it worked great.

The class-A circuit used in the EQ-73 is similar to the eq section in the classical 1073 module, without the high pass filter. Additional frequencies have been added and the mid frequency band uses two inductors, the higher value of the second one is used for the two lowest frequencies, 160 Hz and 240 Hz, to achieve a suitable response.

The sound character is warm, punchy, sweet and musical. These classic characteristics have been heard on countless recordings through the years and it is a versatile sound that works very well on most sound sources and in most genres. The essence of this sound is now available at a surprisingly low cost, making it available to nearly everyone.

The EQ-73 has stepped frequency controls that offers a wide selection of frequencies from 20 Hz to 24 kHz.

The Low and High frequency bands are shelving and the mid frequency band is of the bell type.

The control range is +/-15 dB for the two lower bands and +/- 18dB for the high frequency band.

There are separate bypass switches for all three bands.

The EQ-73 is made to be used together with one of our PRE-73 models that has an Insert jack. It can also be used with many other units that has a low level insert jack.

(Combining a PRE-73 and an EQ-73, and using a UNITE rack kit to mount them together, one will get a 19-inch 1073-style unit at a low cost and with a great sound!)


– Vintage Style electronics. No intergrated circuits in the signal path
– 3-band with a dual inductor based mid frequency band
– Stepped frequency selection
– A wide selection of frequencies from 20 Hz to 24 kHz
– Control range up to +/- 18 dB
– Separate Bypass switches for each band
– Tantalum capacitors in the signal path
– Made to be used together with one of our PRE-73 models with an Insert jack or any other unit with a low level Insert jack
– TRS jack for in-and output connection, the nominal working level is around 18 dBu
– Selectable ground lift switch
– External power supply to avoid interaction with the audio circuits
– Great sound that suits most sound sources and genres
– A solid build quality that will last many years of normal use

“The Golden Age EQ73 delivers authentic Neve 1073 character, with its classic balance between warmth, clarity, and balls! If you haven’t used an original 1073, and figure you’ll never have the chance, think again. This unit provides a very good representation of what that “sound” is all about, for a fraction of the cost. But don’t get hung up evaluating the unit on the basis of price/value. Yes, the EQ73 is extremely affordable, but there’s no compromises here, it’s a professional piece of gear. Build quality is top notch, even the knobs have a solid, non-wobbly feel. True old school. Built like a tank. One thing that might throw you off and cause you to question purchasing one is that it is designed to connect directly with the Golden Age Pre73 preamp. The only way to connect a device to the EQ73 is through an insert jack in the back! It can’t be used as a stand alone EQ. But fear not, the unit can be plugged into your mixer or preamp insert. My Aphex 207D preamp operates at a nominal rating of -10db and the EQ73 operates at -18db. I asked Golden Age if the units would be compatable and they responded that I might not get the maximum boost in the high frequency section of the EQ. I’m not suffering any lack of boost at the high end, plenty there for any application I can think of. You might want ask Golden Age about compatability just to be sure. I installed it and tracked same day, no problems, even connected the unit through a patch bay to offer more flexibility. You’ll get up and running in no time. Now that I’ve taken the EQ73 through the paces I’m buying another for the other side of my stereo preamp. I’m really happy with the purchase, finally have a 1073 device back in the rack. By the way, the service at ZenPro is awesome. Good unit, good people. Go for it!”

“So far just Bob has used it, and he feels it is a superior EQ to say the Chameleon. I like the fact that it’s not really a 1073 EQ…it’s more and it’s better.”

Warranty Information

Comes with manufacturer's warranty

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