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Two Channel Active LC Octave Band Equalizer Specifications: Models 4100A, 4100RM CIRUITRY: 2 IC quad amplifiers, 2 IC regulators, 2 transistors, 2 zener diodes, 6 diodes, and 3 LED's. Precision-tuned inductors in all negative feedback circuit, magnetically shielded for low hum pickup. OPERATING RANGE (FREQUENCY): 20 Hz (-3 dB) to 20 kHz (-1 dB). CONTROL ARRANGE(FREQUENCY): Ten bands (each channel) on one octave I.S.O. centers from 31.5 Hz to 16 kHz. CONTROL RANGE (AMPLITUDE): -10 dB to +10 dB, continuously variable. LOW-CUT CONTROL: 12 dB/octave active high-pass filter, continuously variable from 20 Hz to 160 Hz. GAIN: Unity gain with all controls in flat position. Calibrated attenuator at input of each channel for level setting. OPERATING LEVEL (INPUT): 0 dBm (approximately 0.8 Vrms) recommended. MAXIMUM OUTPUT: +18 dBm with all controls in flat position. OVERLOAD DETECTOR: Peak level detector set approximately 2 dB below maximum peak output. LED indicators. DISTORTION (THD): Less than .08% at 0 dBm, worst case control settings; less than 0.1% at +18 d Bm. (IM): Less than .004% (SMPTE). NOISE: Better than -92 dBm (19 microvolts) over 20 kHz bandwidth. DYNAMIC RANGE: 110 dB. INPUT IMPEDANCE: Greater than 40 kilohms, single ended, AC coupied. OUTPUT IMPEDANCE: Approximately 100 ohms. OUTPUT LOAD: 600 ohms or greater. FREQUENCY TOLERANCE: ±6% of center frequency. POWER: 115/230 Vac nominal, 50-60 Hz. Fused for 1/2 am . Front anel ilot li ht. MECHANICAL CONTROLS: Rotary potentiometers, sealed MIL-SPEC type. EQ IN-OUT switch, power switch. CONNECTIONS: Standard phono type plus chassis ground terminal. DIMENSIONS: 18-1/2 inches by 6-3/4 inches by 3-1/2 inches (47 cm x 17.2 cm x 8.9 cm). WEIGHT: 7-1/2 pounds (3.4 kg). FINISH: Black anodized aluminum with solid walnut trim. SECURITY COVER: Furnished with either standard table model or with rack mount option. OPTIONS BI-AMP NETWORKS: Plug-in networks provide crossover separation for bi-amp systems. Order 4101-frequency for 12 dB/octave or 4102-frequency for 18 d8/octave. RACK MOUNTING: Specify Model 4100 RM.


How Many Slutz Here Been Bit by the DIY Bug? when you get around to it. Speaking of EQ's the cables I made up recently were for my White Instruments Model 4100A stereo graphic EQ. It's a heavenly sounding inductor EQ. For the $120 it cost me it has to be one of my best buys ever. It ain't a Pultec but it does...

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How Many Slutz Here Been Bit by the DIY Bug?

If i get the build right, and it sounds like the one i got to play with awhile back, it might be the only e.q. i need. Maybe a para in the wings just in case. Ive been curious of the white instruments models......

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List of All of the Gear You Have and All of the Gear You've Owned

...FX500B JL Cooper MSB Rev2 Digitech rds 1900 Yamaha R100 (needs new power adapter) Malekko Heavy Industries Scrutator Dwarfcraft Devices The Great Destroyer Crate CR60 White Instruments Model 4100A DSI Poly Evolver Kawai K5M Roland U-220 Emu Virtuoso 2000 + Sounds of the ZR ROM Revox A77 Neumann KH 120 A (pair) Proco db4 Studiomaster MIDI Analyzer MA36 Zoom 9150 - Thanks to Derp for this wonderful new toy! Does not...

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