This auction is for BSR 4000XR Stereo Graphic Equalizer / Spectrum Analyzer. The unit was tested, see demo / details below.

                            
Full demo is included here: DEMO: Full Demo



CONDITION REPORT:
* Very good used condition - shows some light cosmetic wear associated with use including marks, light scratches.

* BSR 4000XR Stereo Graphic Equalizer / Spectrum Analyzer is functional. Please see images / full video demo below for more details.


The following basic functionality tests were performed (refer to the demo for specifics)

00:05 - Playing CD (original flat EQ)

00:11 - Adjusting output volume

00:18 - Adjusting EQ Scale Sensitivity

00:28 - Showing peak values for EQ bands

00:35 - Selecting individual channels

00:48 - Creating a custom EQ profile

00:59 - Testing EQ bands

01:29 - Storing custom EQ profile in memory

01:39 - Adjusting stored EQ profile L and R channel separately

02:27 - Pink Noise generator

02:33 - Switch Source to Tape to apply EQ elsewhere

02:47 - Fix old tape EQ





Description:

   - BSR 4000XR is a powerful professional-grade solution for active equalization / spectrum analysis for various audio sources.
   - The unit looks timeless and will enhance the look and feel of your audio system.  
   - This unit is hard to find in a better condition.


The BSR model 4000XR combines a

* microprocessor-controlled 12-band equalizer,
* real-time analyzer,
* pink-noise generator, and a sound pressure-level meter (requires calibrated microphone - NOT INCLUDED).

Since operation is electronic, a computerized memory system has been incorporated so up to four equalizer settings can be memorized.

Some of the advanced features of the model 4000XR include:

Large fluorescent multi-function display

Flat-surface, illuminated, soft-touch control keys instead of traditional press switches

A sharp and inaudible infrasonic filter.


Input Sensitivity: 5V (max)

Output Level: 5V (max)

Gain: ± 1dB

Frequency response: 5Hz to 100kHz

Signal to Noise Ratio: 100dB

Total harmonic distortion: 0.008%

Control Range: ± 12dB

Frequency Bands: 25, 40, 63, 100, 160, 250, 500, 1K, 2K, 4K, 8K, 16KHz

Dimensions: 435 x 88 x 302mm



Dimensions: ~ 17 X 12 X 3.5 inches
            

Weight: 4.8kg (~10 lbs)


REMOTE and MIC ARE NOT INCLUDED