The dbx Model 905 is a high-density parametric equalizer featuring three bands of EQ in one package. It offers exceptional flexibility with controls for reciprocal boost/cut (up to 15 dB), bandwidth (Q), and frequency center for each band. The unit includes unique features such as an 'infinite' notch switch on every band to remove unwanted narrow-band signals without affecting adjacent frequencies, and the ability to independently switch high and low bands from peaking to shelving operation.
| Input impedance (balanced) | 26 k-ohms |
|---|---|
| Output impedance | 22 ohms |
| Maximum input level | +24 dBm |
| Frequency response | 20 Hz-20 kHz, +/-1dB |
| Total harmonic distortion (THD) | under 0.03% at 1 KHz |
| Power requirements | +15 V regulated at 100 mA, +24 V unregulated at 30 mA |
| Dimensions | 5-1/4"h by 1-7/8"w; card depth 9-1/2" |
The high band adjusts center frequencies from 800 Hz to 20 kHz.
Yes, each band can be independently switched into 'infinite notch' mode to remove unwanted signals.
The unit offers up to 15 dB of reciprocal cut or boost.