User manual SUMMIT FEQ-50

[. . . ] Like all of our other half-rack sized products, the FeQ-50 has an internal power supply and 3 year warranty. Model FeQ-50 4-Band Passive, Parametric Equalizer 2 Introduction Features · · · · · · · · · · · Fully passive design (no amplifier in filter circuit) Four frequency bands ±14dB cut and boost Six switch selectable frequencies per band Separate, bypassable high pass filter Master bypass Four simultaneous outputs, both vacuum tube and solid state Internal high voltage power supply One 12AX7A/ECC83 vacuum tube 3 year warranty Hand Crafted in the U. S. A. Carefully unpack the FeQ-50 and it's power cord. Save the carton and packing material for possible future use. Before powering up the unit, read this manual and observe the cautions for HIGH VOLTAGE. Important Warranty Information For your 3 year warranty, register your FeQ-50 on line today at www. summitaudio. com. Model FeQ-50 4-Band Passive, Parametric Equalizer 3 Front Panel Front Panel 0 FeQ-50 +14 33 0 0 Passive EQ 0 OFF -14 60 100 150 270 410 -14 +14 1K 820 680 560 470 390 HPF -14 1. 2 1. 5 2. 2 5. 6 3. 3 4. 7 +14 8. 2 10 12. 5 7. 2 18 5 -14 +14 IN BYPASS ON POWER Hz Hz kHz kHz 0 Freq. [. . . ] The frequency is fixed at 30Hz with a gentle 6dB/octave relief. Bypass Switch This switch bypasses all the passive EQ sections, but NOT the tube output stage which allows you to use the FeQ as a tube enhancement device to add warmth and natural sound to your digital recordings even when you don't need the EQ. The FeQ-50 can also be used to convert -10dB (consumer) level signals into +4dB (professional) level. Important - Please Read! The FeQ-50 contains a vacuum tube which generates heat. Do not block the cooling holes on the top of the FeQ-50 and always allow adequate ventilation when mounting the unit in a rack enclosure. 6 Summit Audio, Inc. Rear Panel Rear Panel MODEL FEQ-50 20W MAX 115V USE 250-MA FUSE 220V USE 125MA FUSE TUBE SOLID STATE PUSH FUSE SUMMITAUDIO. COM +4 BAL. -10 BAL. +4 BAL. -10 BAL. +4 BAL. Receptacle The FeQ-50 is factory wired for either 100, 115 or 230 Volts AC. Before connecting AC power make sure the FeQ is wired for the voltage used in your country. XLR Line Level / 1/4" Line Level Input The Neutrik combination jack accepts either a balanced XLR or balanced 1/4" phone plug. The balanced XLR input is designed for +4dB line level input signals. The 1/4" input is designed to accept -10dB input levels only. XLR Balanced Tube Output This is a +4 dB balanced, low impedance XLR output connection compatible with professional recording and audio equipment. The tube output provides a warm, natural tube sound. Note: You can use all four tube and solid state outputs at the same time for added versatility. Model FeQ-50 4-Band Passive, Parametric Equalizer 7 Basic Operation 1/4" TRS Balanced Tube Output This is a -10dB, balanced 1/4" output designed to interface with your recording device, compressor or EQ. XLR Balanced Solid State Output This is a +4dB, balanced, low impedance output connection compatible with professional recording and audio equipment. The Solid-State output provides a clean, low-noise signal. 1/4" TRS Balanced Solid State Output This is a -10dB, balanced 1/4" output designed to interface with your recording device, compressor or EQ. Basic Operation Important: For proper operation of the FeQ-50 (or any vacuum tube device for that matter), allow the unit to warm up with power on for 15 minutes before use. Setting up a Parametric EQ 1. 5. Turn up the gain on the band you are working with. This allows you to easily hear the effect of the filter. Switch in the Narrow ( ) bandwidth setting. Adjust the Center Frequency to "zero-in" on the frequencies you wish to boost or cut. Now that you've found the frequency you want, set the Gain to a more conservative value. Widen the Bandwidth, if desired, to create a more natural sound. Adjust the other bands as needed. Important: Do not block the cooling holes and allow adequate ventilation. 6. 8 Summit Audio, Inc. Applications Applications Dual-Output Mic/EQ Channel The FeQ-50 in conjunction with the Summit Audio 2BA-221 provides you with a world-class mic preamp and passive EQ channel. As a bonus, you can record both the tube and solidstate outputs of the FeQ-50 on separate tracks. Microphone Channel To Recording Device or Line Mixer Tube Out FeQ-50 MODEL FEQ-50 20W MAX 115V USE 250-MA FUSE 220V USE 125MA FUSE Microphone 2BA-221 MODEL 2BA-221 20W MAX STACK Mic. CARMEL, CA USA OUTPUTS INPUTS Solid-State Out TUBE SOLID STATE PUSH FUSE IN SUMMITAUDIO. COM OUT +4 BAL. -10 BAL. INSERT IN MIC FUSE SUMMITAUDIO. COM +4 BAL. -10 BAL. +4 BAL. -10 BAL. +4 BAL. [. . . ] Although two amps are needed, the two outputs of the FeQ-50 each impart a distinctive sonic signature which works beautifully to help provide the illusion of two players. The sound-sculpting possibilities are vast!The Summit Audio TD-100 instrument preamp and tube direct box provides a line level signal for the FeQ-50. [. . . ]