650-R2 Concert Series Subwoofer & B-2EX Control Electronics Unit

Specifications

Acoustical
Frequency Response(1)
...

±4 dB 30 to 100 Hz

Maximum SPL (2)
...

Continuous: 130 dB / peak: 135 dB

Dynamic Range
...

> 110 dB

Crossover
...

100 Hz

Transducers
Low Frequency
...

Two 18" cone drivers, 8 ohms per driver

B-2EX Control Electronics Unit

Specifications

Input Type

...

Balanced (active), 47k ohms

Output Type

...

Active push-pull, will drive 600 ohms

Max. Input/Output Level

...

Balanced: +26 dBu / Unbalanced: +20 dBu

Hum and Noise(3)

...

-90 dBV

Dynamic Range

...

>110 dB

Sense Inputs

...

10K ohm true differential, opto-isolated

Driver Protection Circuitry

...

RMS limiter, switchable excursion limiter

Power

...

120/240V AC, 50/60 Hz (rear-panel switchable)

Indicators

Limit

...

Red LED

Excursion

 

Red LED

Sense

 

Green LED

Power

...

Green LED

Controls

Front Panel

...

Input level control, AC on/off switch

Preset Panel

...

Safe switch, Crossover Bypass switch

Connectors

Balanced Inputs/Output

...

3-pin XLR (A-3)

Sense Inputs

...

Banana jacks

Notes

1. Measured 1 meter on-axis, half-space conditions, pink noise input, in thirdoctave bands.

2. Loudspeaker driven by power amplifier rated at 400W into 4 ohms, weighted noise signal source.

3. “A”- weighted, unbalanced.

 

 

 



Specifications

Physical

Architect
Specifications

Datasheet (PDF)

Operating Instructions (PDF)

B-2EX Operating Instructions (PDF)