SR552 Preamplifier Specifications Summary

IInput Impedance

100 KΩ

+ 25 pF

 

Inputs

Single ended or differential (switch selectable)

Maximum Inputs

70 mV rms for overload

 

Damage threshold: 20 Vac, 50 Vdc

Noise

1.4 nV/√ Hz at 1000 Hz

 

1.6 nV/√ Hz at 100 Hz

 

2.5 nV/√ Hz at 10 Hz

 

(all figures are Typical)

Common Mode

Range:

 

1 Volt peak

 

Rejection:

100 dB at 100 Hz

Gain

10,20,50,100

 

 

SR510/530

Automatically set by SR510 or SR530 Lock-In depending on

 

 

 

sensitivity and dynamic reserve. Sensitivity ranges from 10 nV to 200

 

 

 

mV full scale (with expand off).

 

 

 

Note: Lock-in readings must be divided by 10.

 

DSP Lock-Ins

Gain is set to 100. Divide lock-in recordings by 100 for correct

 

 

 

amplitude.

Gain Accuracy

2% (2 Hz to 100 kHz)

Gain Stability

200 ppm/°C

 

Outputs

(A) single ended (600Ω impedance)

 

(B) shielded ground

Maximum Output

10 Volts peak

 

Power

Supplied by SRS Lock-In via control cable.

Mechanical

Size

1.3" X 3.0" X 5.1"

 

Weight

1 lb.

 

Warranty

One year parts and labor on materials and workmanship.

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SRS Labs Voltage Pre-amplifier, SR550/552 manual SR552 Preamplifier Specifications Summary

SR550/552, Voltage Pre-amplifier specifications

SRS Labs, a renowned leader in audio technology, has made significant strides in the realm of audio amplification with the Voltage Pre-amplifier models SR550 and SR552. These pre-amplifiers are designed to deliver exceptional performance and fidelity, appealing to both professional and home audio enthusiasts.

The SR550 and SR552 are equipped with a host of features that ensure high-quality sound reproduction. They utilize state-of-the-art components and engineering techniques to minimize distortion and maintain signal integrity. One of the defining characteristics of the SR series is their low noise performance. The pre-amplifiers are designed with precision circuitry that effectively reduces background noise, allowing for a cleaner audio signal that is crucial for critical listening applications.

A key feature of the SR550 and SR552 is their adjustable gain settings. This allows users to fine-tune the amplification levels to match different sources and listening environments. Whether you are connecting a low-output microphone or a high-level line source, the adjustable gain ensures optimal performance across various setups.

Both models also support a wide frequency response range, making them suitable for a variety of audio applications, from studio recordings to live sound reinforcement. The frequency response extends well beyond the human hearing range, which ensures that even the most subtle details in recordings are faithfully reproduced.

In terms of connectivity, the SR550 and SR552 offer a range of input and output options. Users can connect various audio sources through XLR and TRS inputs, while balanced outputs maintain the integrity of the audio signal during transmission. This versatility makes them ideal for integration into existing audio systems.

Another notable technology featured in the SR series is SRS Labs’ proprietary noise reduction technology. This feature actively reduces unwanted background noise without compromising the audio clarity, providing a more immersive listening experience.

Durability is another hallmark of the SR550 and SR552, with robust construction and high-quality materials designed to withstand the rigors of regular use in both studio and live environments.

In conclusion, the SRS Labs Voltage Pre-amplifiers SR550 and SR552 stand out in the market for their exceptional sound quality, innovative features, and reliable performance. Whether for critical studio editing or live audio applications, these pre-amplifiers are engineered to meet the needs of audiophiles and professionals alike, ensuring an unparalleled listening experience.