Bosch Integrus

IR transmission wavelength

870 nm

Modulation frequency

Carriers 0 to 5: 2 to 6 MHz, according to IEC 61603 part 7
Carriers 6 and 7: up to 8 MHz

Protocol and modulation

DQPSK, according to IEC 61603 part 7

Cabling and System Limits

The used cable shall be of the type 75 Ohm RG 59.
The maximum number of radiators per HF output shall be 30. The maximum cable length per HF output shall be 900 m.

Transmitter

The transmitter shall be a Bosch INT-TX04, INT-TX08, INT-TX16, INT-TX32 or similar.

Transmitter Mounting

Brackets for 19" rack mounting or fixing to a table top
Detachable feet for free-standing use

Transmitter Dimensions (H x W x D)

Table top use, without brackets, with feet: 92 x 440 x 350 mm
(3.6 x 19.0 x 13.8 in)
19" rack use, with brackets, without feet: 88 x 483 x 350 mm
(3.5 x 19.0 x 13.8 in),
36 mm (1.4 in) in front of brackets,
372 mm (14.6 in) behind brackets

Transmitter Weight

Without brackets, with feet: 6.8 kg (15.0 lbs)

Audio Input and Interpreter Module Electrical Characteristics

- Audio input level with AGC:
-16.5 dBV (150 mVeff) to +3.5 dBV (1500 mVeff)
- Audio input level without AGC: -4.4 dBV (600 mVeff)
- Asymmetric input impedance: ≥ 10 kOhm;
- DC input impedance: ≥ 200 kOhm

Audio Input and Interpreter Module Mounting

Mounting plate and 2 screws included

Audio Input and Interpreter Module Dimensions (H x W x D)

100 x 54 x 231 mm
(3.9 x 2.1 x 9.1 in)

Audio Input and Interpreter Module Weight

188 g (0.41 lb)

Receiver

The receiver shall be the Bosch LBB 4540/04,
LBB 4540/08, LBB 4540/32 or similar

Receiver Electrical Characteristics

- IR irradiance level: 4 mW/m2 per carrier;
- Angle of half sensitivity: +/-50°;
- Headphone output level at 2.4V (battery voltage): 450 mVrms (speech at maximum volume, 32 Ohm headphone);
- Headphone output frequency range: 20 Hz to 20 kHz;
- Headphone output impedance: 32 Ohm to 2 kOhm;
- Max. signal-to-noise ratio: > 80 dB(A);
- Supply voltage: 1.8 to 3.6 V, nominal 2.4 V;
- Power consumption at 2.4 V: 15 mA (speech at maximum volume, 32 Ohm headphone);
- Power consumption (standby): < 1 mA

Receiver Dimensions (H x W x D)

155 x 45 x 30 mm
(6.1 x 1.8 x 1.2 in)

Receiver Weight

Exclusive batteries: 75 g (0.16 lb)
Inclusive batteries: 125 g (0.28 lb)

Charging Units

- Accommodation of up to 56 receivers
- Universal mains power facility for use worldwide
- Mains input with loop-through facilities
- Rapid recharging: maximum time required; 1 hour and 45 minutes

Charging Units Mounting

LBB 4560/50: screws and plugs for wall mounting shall be included

Charging Units Dimensions (H x W x D)

LBB 4560/00: 230 x 690 x 530 mm (9 x 27 x 21 in);
LBB 4560/50: 130 x 680 x 520 mm (5 x 27 x 20 in)

Charging Units Weight excl receivers

LBB 4560/00: 15.5 kg (34 lbs)
LBB 4560/50: 11.2 kg (25 lbs)

Charging Units Mains voltage

90 to 260 V, 50 to 60 Hz

Charging Units Power consumption

56 receivers charging: 270 W;
Standby, no receivers in the charging unit: 17 W

Induction Loop Neckband Connection

0.9 m (3 ft) cable with 3.5 mm (0.14 in) gold-plated jack plug

Induction Loop Neckband Magnetic field strength

100 mA/m 15 cm (6 in) above loop at 85 μW at 1 kHz input (IEC 60118-4)

Induction Loop Neckband Impedance

28 Ohms at 1 kHz

Induction Loop Neckband Weight

45 g (0.10 lb)

6-Channel Interpreter Desk Audio frequency response

125 Hz (-10 dB) to 12.5 kHz (-2 dB)

6-Channel Interpreter Desk Rated equivalent

< 32 dB sound pressure due to inherent noise

6-Channel Interpreter Desk Total harmonic distortion

< 5% at overload

6-Channel Interpreter Desk Crosstalk attenuation

> 66 dB

6-Channel Interpreter Desk Dimensions
(H (front)-H(rear) x W x D)

20-58 x 250 x 189 mm (0.9-2.28 x 9.84 x 7.44 in)

Headphones

Spec depends of model