Bruel & Kjaer - 5935 documentation, here :

https://www.bksv.com/media/doc/bp1338.pdf

Bruel & Kjaer - 5935 - Dual Microphone Supply

INPUT IMPEDANCE:

200 kW||500 pF

MAXIMUM INPUT LEVEL:

5VRMS

FIXED GAIN:

0– 50 dB in 10 dB steps

ADJUSTABLE GAIN:

±5dB

OUTPUT IMPEDANCE:

AC coupled

MAXIMUM CHANNEL OUTPUT LEVEL:

5VRMS

MAXIMUM CHANNEL OUTPUT CURRENT:

15mA

MAXIMUM CHANNEL OUTPUT POWER:

20mW

FREQUENCY RESPONSE (Lin.):

0.5Hz to 100 kHz (-3 dB) AC coupled

A-WEIGHTING FILTERS:

In accordance with IEC 651 Type 0

CHANNEL SEPARATION:

>85dB at 1 kHz

>65 dB at 20 kHz

GAIN ERROR:

.Connectors

PREAMPLIFIER INPUT:

Brüel &Kjær 7-pin socket (Type 5935)

LEMO 7-pin socket (Type 5935 L)

SIGNAL OUTPUT:

BNC

EXTERNAL SUPPLY INPUT:

7-pin DIN socket

HEATER:

4mm “banana” sockets

Power Supply

BATTERIES:

3 ´ 1.5V alkaline battery, type IEC LR20 (“D”

size) or 1.25 V NiCd battery, type R20 (“D” size).

BATTERY LIFE:

70 hours (alkaline)

25 hours (NiCd)

EXTERNAL SUPPLY:

8V to 16V DC

SUPPLY CURRENT:

160mA

180mA when preamplifiers are connected (Type

5935)

SUPPLY TO PREAMPLIFIERS:

+24V DC

POLARIZATION VOLTAGE:

0 V, 28V, 200V

HEATER SUPPLY:

+12V DC

Dimensions and Weight

Height: 132.6mm (5.2²)

Width: 69.5 mm (2.6²)

Depth: 200 mm (7.9²)

Weight: 1.1 kg (2 lb. 7 oz.)