Massenburg GML 8200 Dual Parametric EQ, Full Recap/Refurb, Looks & Sounds Great! The Massenburg 8200 may very well be the best equalizer ever made. “The reference standard parametric equalizer, from the engineer who invented the concept.”
Five overlapping frequency bands per channel.
Special, carbon film precision potentiometers.
Incredible headroom and gain specs - 15 db of gain, simultaneously available on multiple bands.
Incredibly low distortion - indeed, nearly unmeasurable.
+26.8 db maximum output level.
All-discrete Class A design. No IC’s.
No interstage or coupling capacitors to add distortion or degrade over time.
Transformerless, precision electronically balanced input buffer and DC-servo stabilized direct coupled output.
Carbon film precision potentiometers, custom manufactured for GML.
GML 9202 low noise low distortion discrete opamps
No tantalum, ceramic, or electrolytic capacitors anywhere in the signal path.
Rugged black anodized aluminum chassis.
Reverse anodized lettering, more permanent than ink or paint processes.
Heavy duty external power supply.
This unit has been thoroughly tested and was found to work perfectly. Even at extreme EQ and gain settings, we measured distortion at .001% If you’re familiar with audio electronics, you know that this is an astonishing feat, unmatched by just about any other piece of pro audio gear.
This is serial number E1514. It’s in excellent mechanical and cosmetic condition. The front panel looks great, except for some tiny scratches and slightly work lines on a few of the knobs The top of the unit and the power supply have minor scratches. The power supply, a copy of the manual, and both power cords are included.
The unit operates at 90-135 VAC, 50/60 but the voltage can easily be changed. The unit will operate on any power standard.
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