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Third Rock Music Center


Summit Audio EQP-200B in Very Good Condition

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Low in store inventory, may be subject to change

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For questions or help ordering, call: (513) 843-5739

Passive EQ

Coveted by top professionals for decades, passive EQs have better phase coherence than active designs, and the inductors offer a rich, smooth harmonic quality.

Track, mix, master

IThe EQP-200B is an indispensable component to many key task's in the studio. From tracking to final touches and audio sweetening, the EQP-200B is the goto EQ!

Take the buss!

The EQP-200B is the perfect finishing tool for any mix - just insert it across the master buss of your mixing console or DAW. The sonic benefits from the EQP-200B's exceptional passive tube circuit are apparent even with the EQ circuit in bypass mode.

Hand-crafted in the USA

Each piece of Summit gear is meticulously crafted by hand in our shop using only the best quality components and attention to detail. Quality components and engineering know-how are the critical element to the sound and longevity of audio gear.

Technical Specifications

Size and Weight
3.5 inches (8.89 cm)
19 inches (48.26 cm)
10 inches (25.40 cm)
17 pounds (7.71 kg)
Power Configuration
Internal AC Supply
35 watts, 115 or 230 volts, 50 or 60 Hz (Rear Switchable)
Fuse Size: 0.5 Amp for 115 VAC, 0.25 Amp for 230 VAC
Selectable Frequencies
Low Frequency Shelf / In / Out
3 position togle: 6 dB per octave shelving filter starting at 50 Hz, or standard engaged operation, or
bypass mode
Low Frequency Boost and Cut
20, 30,60, 100, 180 Hz frequencies.
Mid-High Frequency Boost and Cut
1.5k, 3k, 5k, 8k, 10k, 12k, and 16k Hz frequencies.
High Frequency Cut
select at 5k, 10k and 20k Hz frequencies.


Inputs: +4 dB female XLR (2)
Outputs: +4 dB male XLR (2)
Max level
Max input level (XLR): +23dB
Max output level (XLR): +23dB
Max gain: +/-20dB

Operating Measurements
Frequency response:
Tube: 12Hz-45kHz -0.5dB
Signal to noise ratio:
Tube: 125dB average 20Hz-20kHz
THD + Noise:
Tube: 0.057% 12Hz-20kHz
Vacuum tubes: three 12AX7A