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Matching Amplifiers

Convert unbalanced consumer gear signals to professional balanced ones with this wide selection of matching amplifiers.

1 - 10 of 10 Items


RDL STA-1
Interface Amplifier

The STA-1 is a dual-channel line-level preamplifier with bridging inputs, adjustable gain or loss, and low-impedance outputs. Each of the two identical circuits is both an electronic line transformer [...]

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$219.56

$156.50

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RDL STA-1M
Audio Line Amp

The STA-1M allows bridging any audio line, adjusting the gain, and driving a balanced or unbalanced line. The circuit design allows the input to accept either balanced or unbalanced signals, of [...]

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$160.53

$114.42

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RDL STA-1PKG
STA1 Level Matching Amp w/ PS24AS

This package includes the STA-1 and the PS-24AS Switching Power Supply. The STA-1 is a dual-channel line-level preamplifier with bridging inputs, adjustable gain or loss, and low-impedance outputs. [...]

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List Price

$210.32

$173.17

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RDL STP-1
Dual Attenuator

The STP-1 is a pair of convenient attenuator pads that can be located at the precise location that attenuation is needed. The low-cost STP-1 eliminates the costly labor of figuring and assembling [...]

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List Price

$89.32

$63.66

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RDL ST-UBA2
Interface Amplifier, Unbalanced to Balanced

The Radio Design Labs STU-BA2 two-channel interface amplifier is used in any application requiring conversion from unbalanced consumer format signals to professional +4 dBu. It may be used to balance [...]

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List Price

$226.73

$161.61

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RDL ST-VP1
Voice Over Module

The ST-VP1 is intended for voice-over paging with user adjusted and controlled FADE or CUT between two input sources. This unit is also perfect for voice-overs where precise and consistent fade [...]

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List Price

$201.41

$143.55

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RDL ST-GLA1
Gated Line Amplifier

The ST-GLA1 is a self-gated line amplifier designed to be used in a variety of situations where it is desired to produce an automatically switched line-level signal with integral noise reduction. [...]

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List Price

$178.65

$127.33

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RDL ST-GSP1
Gated Speech Preamplifier

The ST-GSP1 is a gated speech preamplifier designed to be used in a variety of situations where it is desired to produce an automatically switched line-level signal from a microphone. This module may [...]

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List Price

$192.30

$137.07

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RDL ST-RG1
Ramp Generator

The ST-RG1 is a digitally generated 0 to 10 volt Ramp Generator which provides the ideal interface for audio volume control from multiple points with the ST-VCA3. Any number of Up and Down buttons [...]

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List Price

$162.18

$115.59

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RDL TX-J2
Unbalanced Input Transformer

The RDL TXJ2 is an unbalanced-to-balanced transformer with two unbalanced RCA inputs and one balanced screw terminal output. Features: • Mix two unbalanced audio signals to mono balanced [...]

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$86.97

$61.99

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