A dbx Dynamic Range Expander will significantly improve the sound quality of all your conventional records and tapes, and even FM broadcasts. First, it will increase the dynamic range of your music by as much as 50% to give you much of the excitement and impact of a live performance.
Second, a dbx Dynamic Range Expander can reduce annoying tape hiss and record surface noise by as much as 20 dB. Such a marked reduction in these distracting noises will dramatically increase your listening pleasure.
In short. you'll hear a sound quality you've never heard before from your entire music library. All because of the dramatic strides dbx has made with this remarkable technology.
A dbx Dynamic Range Expander is available for every system and every budget.
dbx 3BX Specifications
Expansion Ratio: Continuously adjustable from 1.0 to 1.5 (0 to 50% increase)linear in decibels
Dynamic Range: 100 dB (peak signal to weighted background noise)
Input Impedance: 50 kΩ
Input level: 300 mV nominal
Input level: 7 V RMS maximum
Output Impedance: 100 Ω (designed to drive 5 kΩ or greater)
Output Level: 7 V RMS (max. 20 Hz - 20 kHz)
Frequency Response: 20 Hz - 20 kHz ±0,5 dB at 1,0 expansion
Equivalent Input Noise: -85 dBV (unweighted, 20 kHz bandwidth, referenced to 1 V)
Total harmonic Distortion: 0,1%, typical at 1.0 expansion 20 Hz to 20 kHz
IM Distortion: 0,15% typical
Power Line Requirement: 117 V AC, 50 - 60 Hz
Power Line Consumption: 30 W
Dimensions (W x H x D): 17¾" x 3¾" x 10¼" (45,1 x 9,5 x 26,0 cm)
Weight (shipping): 12 lbs (5,45 kg)