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SKU

2994

EAR 822 Passive Tube Equalizer

Passive Pultec-style tube EQ
MFR# 822 Q

Product Description

The recent trend towards ever-more-complicated equalizers and filters has not resulted in any real increase in flexibility, and certainly not in quality.

The EAR 822 "Pultec"-type equalizer is a relatively simple passive device that has been designed to be highly flexible and therefore genuinely useful in any application.  As always with EAR products, the highest possible sound quality is of the essence, and the filter circuits are used so as to introduce the minimum possible of disturbing side effects in the way of phase shift and ringing, thus preserving the essential qualities of the signal intact.

It is a characteristic of this device that subtle equalization changes are not masked in effect by the distortion often due to inadequate active filters.  Variations in response include low pass, high pass, band pass and high or low frequency shelf, with variable Q and turnover frequency.

The EAR 823MQ mid-EQ is a variant on the 822Q for use in the midband.  It has slightly fewer facilities but they are more closely spaced over a narrower frequency span to give greater precision in this critical part of the spectrum.

Specifications:

  • Operation: passive equalizer with balanced tube output amplifier
  • Input and output impedance: 600 ohm nominal, balanced and floating
  • Maximum output level (@1% distortion): 25dBm
  • Low boost and cut frequencies: 20, 30, 60, 100Hz; 0, +14, -18dB variable
  • High boost frequencies: 3k, 5k, 7k, 10k, 12k; 0, +18dB variable
  • High cut frequencies: 6k, 10, 20k; 0, -18dB variable
  • Bypass switch: clickless with no level change

Product Specifications

Condition New
Tube or Solid State Tube
Channels Single-Channel
Chassis 19-inch Rack-mount
Rack Spaces 2u
Digital I/O No
EQ Type Parametric, Pultec-Style

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I would like to thank VK for the wonderful sales assistance, service and prices. This was my first purchase with you and it won't be my last. I only wish I'd discovered you years ago!
Matthew R.
I had two Grammy wins this year - Ray LaMontagne & Carolina Chocolate Drops. Both made with help from Vintage King!
Ryan F.
In almost 20 years in Pro audio buying, never did I receive a unit so well packed and exactly as described. Works flawlessly. The whole process has been so smooth. I will never hesitate to do business with you guys in the future and will recommend you to everyone I know.
Martin C.
This was my first experience buying something from Vintage King (although I surf the "used" categories on the website frequently!), and, despite being on the other side of the world, I had absolutely no trouble and everything went very smoothly.
Phil T.