Summit Audio EQF-100 - Tube/Solid State Hybrid Equalizer

B&H # SUEQF100 MFR # EQF-100
Summit Audio EQF-100 - Tube/Solid State Hybrid Equalizer


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Product Highlights

  • Single Channel
  • 4 -Band Fully Parametric
  • Passive Design
  • High- and Low-Pass Filters
  • Individual Bypass per Band
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You Pay: $3,499.99

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The EQF-100 from Summit Audio is a single channel, 4-band fully parametric passive equalizer that is suitable for both tracking and mixing. The unit is a hybrid processor that uses solid state technology to provide reliability, while the vacuum tube amplifier delivers tube "warmth" and provides gain to overcome any loss when cutting frequencies.

The EQF-100 features individually, hand-tuned frequencies, a silent master bypass switch and individual bypass switches on each band. Additionally, 3-position high-pass and low-pass filters can be switched into the transformerless signal path. This passive EQ is incredibly accurate, sounds wonderful, and is hand built in the USA to the most exacting standards.

4 bands of 7 switch-selectable center frequencies
Switchable high- and low-filters, with 3 selectable frequencies each
Continuously variable boost or cut
Individual in/out switch for each of the 4 bands
Silent global bypass switch
105dB of dynamic range
Balanced input
Transformerless signal path
990 output stage (balanced or unbalanced)
Universal internal power supply
Hand crafted in the USA
Filter Type Fully parametric
High- and low-pass filters
Number of Channels Single
Inputs 1 x XLR
Outputs 1 x XLR
Maximum Input Level 25dBu
Frequency Bands Band 1:
33, 56, 100, 180, 220, 270 and 390Hz
Band 2:
250, 330, 470, 560, 680, 820Hz and 1.2kHz
Band 3:
1, 1.5, 1.8, 2.2, 2.7, 3.9 and 5.6kHz
Band 4:
3.3, 4.7, 6.8, 8.2, 10, 12.5 and 15Hz
Bandwidth Variable, dependent on adjacent bands
Range (Boost/Cut) +/-18dB
Maximum Output Level 25dBu
Frequency Response 12Hz to 50kHz, flat
12Hz to 100kHz, -1.5dB
Dynamic Range 105dB
THD + Noise 0.026% @ 1kHz, 0dBu
Power Requirements 115 or 230VAC, 50/60Hz
Dimensions (WxDxH) 19 x 10.5 x 3.5" (483 x 267 x 89mm)
Weight 21 lbs (9.45kg) shipping
Specialties Three 12AX7A vacuum tubes
Summit Audio EQF-100 - Tube/Solid State Hybrid Equalizer
  • AC Power Cable
  • Three (3) Year Warranty
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