קדם מגברים למיקרופון

RDL

STM-1

קדם מגבר זעיר למיקרופון לעוצמת LINE, להתקנה במקומות קטנים או לשימושים מיוחדים

The STM-1 is a low-cost quality microphone preamplifier designed for use in commercial sound and broadcast applications. The compact size makes it ideal where a larger or heavier preamp cannot be used. The high-performance circuit provides a fixed 50 dB gain to bring any mic-level signal up to the line-level range of nearly any line input. The STM-1 supply input is single ended and operates from 24 Vdc. Operation from 12 Vdc is possible with a 6 dB reduction in headroom. For intercom applications, the input will operate directly from a speaker.

Input:

500 Ω balanced; 5 kΩ unbalanced

Phantom:

24 Vdc; IEC 61938: 2013, Filtered

Outputs (2):

+4 dBu 150 Ω balanced; -10 dBv unbalanced

Frequency Response:

50 Hz to 30 kHz (± 1.5 dB)

Gain:

50 dB nominal

THD+N:

< 0.05%

CMRR:

>50 dB (50 Hz to 20 kHz)

Residual Noise:

< -70 dB (below +4 dBu; 150 Ω source @ 50 dB gain)

Headroom:

> 20 dB (24 Vdc supply);
> 14 dB (12 Vdc supply)

Phantom Power Input:

24 Vdc @ 10 mA maximum

Ambient Operating Environment:

0° C to 55° C

Power Requirement:

GROUND-REFERENCED, 24 Vdc @ 25 mA

Package Type:

Cardboard Box

Package Dimensions:

2 x 2 x 4 in.

Shipping Weight:

0.195 lbs.

WEEE weight:

0.145 lbs.

Tariff code:

8543.70.9960

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