Smooth and precise
Rich, smooth tone and an openness are just the beginning. Experience how an EQ of this caliber will breathe life into your sound. The EQF-100 is a no compromise solution for precision tone shaping.
Four bands plus
The EQF-100 provides 4 bands of fully parametric equalization and an additional 3 position high and low pass filter for added flexibility. Each band features a seven position fixed frequency selector that works in conjunction with the bandwidth knob to allow you to tune the slope of the EQ curve.
Under the hood
The EQF-100 represents the pinnacle of quality passive EQ design. Finer details include individualy hand-tuned frequencies and a transformerless tube/solid-state hybrid signal path. Only custom wound inductors and hand-tuned capacitors are used to filter the signal because active elements can create phase anomalies.
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
Size and Weight
- Height:
- 3.5 inches (8.89 cm)
- Width:
- 19 inches (48.26 cm)
- Depth:
- 10 inches (25.40 cm)
- Weight:
- 17 pounds (9.45 kg)
Power Configuration
- Internal AC Supply
- 35 watts, 115 or 230 volts, 50 or 60 Hz ( Switchable)
- Fuse: 0.5 Amp for 115VAC and 100VSC,
- 0.25 AMP for 230 VAC.
Selectable Frequencies
- BAND 1 FREQUENCIES:
- 33 Hz, 56 Hz, 100 Hz, 180 Hz, 220 Hz,270 Hz, 390 Hz
- BAND 2 FREQUENCIES:
- 250 Hz, 330 Hz, 470 Hz, 560 Hz, 680 Hz,820 Hz,
- 1.2 kHz
- BAND 3 FREQUENCIES:
- 1 kHz, 1.5 kHz, 1.8 kHz, 2.2 kHz, 2.7 kHz,3.9 kHz, 5.6 kHz
- BAND 4 FREQUENCIES:
- 3.3 kHz, 4.7 kHz, 6.8 kHz, 8.2 kHz, 10 kHz,12.5 kHz,
- 15 kHz
- FILTERS:
- HIGH FILTER: 8.2 kHz, 12 kHz,18 kHz
- LOW FILTER: 22 Hz, 47 Hz, 82 Hz
Connections
Size and Weight
- Input: +4 dB female XLR
- Output: +4 dB male XLR
Max level
- Max input level (XLR): +25dB
- Max output level (XLR): +25dB
- Max gain: 18dB 1 frequency, 25dB two overlapping frequencies
Operating Measurements
- Frequency response:
- 12Hz-50kHz flat, 12Hz-100kHz -1.5dB
- Signal to noise ratio:
- Tube: 127dB average 20Hz-20kHz
- THD + Noise:
- Tube: 0.026% @ 1kHz, 0dBu
- Vacuum tubes: three 12AX7A
Warranty
- 3 year limited warranty.
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