Amply tiền khuếch đại hệ thống BOSCH LBB-1925/10

Mains power supply

Voltage

230/115VAC, ±15%, 50/60 Hz

Current inrush

230/115 VAC, 1.5/3 A

Max power consumption

25 VA

Battery power supply

Voltage

24 VDC, +10% / -15%

Current max

1A

Performance

Frequency response

50 Hz to 20 KHz (+1 / -3 dB)

Distortion

<0.5%

Bass control

±10 dB @ 100 Hz

Treble control

±10 dB @ 10 KHz

Channel separation

>70 dB @ 1 KHz

Priority mute

>40 dB

Dynamic range

100 dB

Mic/line input

1 x

Connectors

5‑pin DIN, 3‑pin XLR, balanced, with phantom power

Sensitivity

1 mV (mic), 200 mV (line)

Impedance

>1 KΩ (mic); >5 KΩ (line)

S/N (flat at max volume)

>63 dB (mic); >70 dB (line)

S/N (flat at min volme/ muted)

>75 dB

CMRR

>40 dB (50 Hz – 20 KHz)

Headroom

>25 dB

Speech filter

-3 dB @ 315 Hz, high-pass, 6 dB/oct

Phantom power supply

16 V via 1.2 KΩ, (mic mode only)

Line input

3 x

Connector

Cinch, stereo converted to mono, unbalanced

Sensitivity

200 mV

Impedance

22KΩ

S/N (flat at max volume)

>70 dB

S/N (flat at min volume/ muted)

>75 dB

Headroom

>25 dB

Master output

1 x

Connector

3-pin XLR, balanced

Nominal level

1 V

Impedance

<100Ω

Tape output

1 x

Connector

Cinch, 2 x mono

Nominal level

350 mV

Impedance

<1KΩ

Headphone output

1 x

Connector

6.3 mm jack stereo, signal mono

Nominal level

3 V

Impedance

<100Ω

Zone relays

5A

Contacts voltage

250 V

Contacts current

8A

Interconnection input/ emergency

1 x

Connector

3-pin XLR, balanced

Sensitivity

200 mV (interconnection), 100 mV to 1 V adjustable (emergency)

Impedance

>10 KΩ

VOX threshold

45 mV (emergency)

Interconnection output

1 x

Connector

3-pin XLR, balanced

Nominal level

200 mV

Impedance

<100Ω

Relay contacts

30 V, 1 A

DC supply output voltage

24 V, 250 mA max

Mechanical

Mounting

Standalone, 19 inch rack

Color

Charcoal

Dimensions

100 x 430 x 270 mm

Weight

Approx. 5 kg