White Instruments Model 4828 One Third Octave Graphic Equalizer
Features + Economy:
The Model 4828 is a 28-band, R-C active graphic equalizer featuring a level control with up to 20dB gain; EQ in/out switch; adjustable high and low-pass filters; and 7 LED bargraph headroom indicator. The filter controls are 60mm slide faders with center detents and dust shields.
28 One-Third Octave Filters
31.5Hz – 16kHz:
On I.S.O. standard frequency centers. Minimum phase type, ±12dB range. Close center frequency tolerances, ±5%. Adjacent filters sum with less than 0.125dB ripple. The low noise specification is not degraded with adjustment of the filters.
60mm Linear Controls with Center Detents and Dust Shields:
The longest control available for a 3.5 in. chassis. Provides greater EQ adjustment resolution.
EQ In/Out Switch:
Operates silently for convenient comparison.
High and Low-Pass Filters:
Band-limit unwanted subsonic and ultrasonic noise. Continuously adjustable, 12dB/octave high-pass 12Hz – 240Hz and low-pass 40kHz – 4kHz
High Current, Balanced, Differential Output Stage:
Will drive 600 ohms to +21dBu while maintaining 0.02% THD.
Dimensions: 9.2″ L x 19″ W x 3.5″ H/ 7 lbs
Removed from a corporate working environment.