Line Amps, Level Matching Amps

The CLEANBoxPro provides two channels of unbalanced to balanced level conversion and two channels of balanced to unbalanced level conversion in a rugged, compact, and portable unit. Balanced lines offer increased immunity to external ...

The Pro Co Monolink AV-1A Audio-Visual Interface allows line or speaker level outputs of movie projectors, audio and video tape/cassette recorders, computers, etc., to be connected to microphone inputs of house or portable P.A. systems for ...

The STA-1 is a dual-channel line amplifier with bridging inputs, adjustable gain or loss, and low impedance outputs. Each of the two identical circuits are both an electronic line transformer and a line amplifier. Hook up the STA-1 just ...

The STA-2A is a dual-channel, line-level audio preamplifier. Each channel is identical. The audio inputs are bridged at 20 kW and accept either an unbalanced or a balanced audio signal. Gain is adjustable from unity gain to +24 dB using a ...

The Whirlwind LM2 Level Matchers are unique, high quality solutions for converting analog audio levels and impedances between –10 dBV "consumer" or "semi-pro" (also known as IHF standard) unbalanced equipment and +4 dBm balanced ...

The MB15 ProMatch is a line level converter that converts consumer stereo RCA signals to balanced XLR professional line level. It is also ideal for video duplication and audio recording studio applications. The audio device has two XLR ...

The LA-80mkII eight-channel unbalanced to balanced line amplifier features a ±12dB trim control for better matching of levels between components. A signal present LED proves useful during system design and troubleshooting. The new ...

The Whirlwind LM2 Level Matchers are unique, high quality solutions for converting analog audio levels and impedances between –10 dBV "consumer" or "semi-pro" (also known as IHF standard) unbalanced equipment and +4 dBm balanced ...

The TX-LC2 is part of the group of versatile TX series products from Radio Design Labs. The TX series feature the advanced circuitry for which RDL products are known, combined with durable, quality connectors. The ultra-compact TX series ...

The ST-VCA2 is part of the group of versatile STICK-ON products from Radio Design Labs. STICK-ONs feature the advanced circuitry for which RDL products are known, combined with unequalled versatility in mounting possibilities. The durable ...

What do you do when you need to connect a low volume -10dBV output (like cassette deck, CD player or synthesizer) into a high volume, +4dBu input (like a multi-track recorder or DAT machine)? What you need is a Line Level Shifter from ...

The Aphex Audio Level Interface is designed to allow use of -10dBV consumer hi-fi equipment with +4 or +8dBm professional and industrial audio systems.It provides an extremely clean, reliable two-way buffer so both systems can operate at ...

The Rane ML 1 mic/line preamplifier provides the answer when you just need a preamplified pair. Go from either dynamic, condenser or electret microphones to line-level with a minimum of noise, distortion, and hassle. At the same time the ...

The TwinMatch is a dual-stereo (4-channel) level and impedance converter that interfaces two "consumer" stereo outputs with professional balanced equipment.  It is ideal for use with a pair of stereo CD players or other "play only" ...

The ST-VCA3 is used in applications requiring smooth audio level control from a remote control panel, potentiometer or dc voltage (0 to 10 V). Installation in series with the audio input of a power amplifier allows remote control of that ...

The Rane BB 22 Balance Buddy is a handy professional-grade tool used to provide isolation for and convert unbalanced -10 dBV consumer level RCA outputs up to balanced +4 dBu professional XLR inputs. The BB 22 converts one pair from -10 dBV ...

Radio Design Labs' RU-MLA2 is a dual channel audio preamplifier. The inputs and outputs may be connected through the front-panel XLR jacks or on the rear panel detachable terminal blocks. Each input accepts either a balanced microphone or ...

The Rane BB 44X Balance Buddy is a handy professional-grade tool used to convert and provide isolation for unbalanced -10 dBV consumer level RCA outputs up to balanced +4 dBu professional XLR inputs -- and vice-versa. Two channels each ...

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 either high or low impedance. This is an ...

The Line Level Shifter is designed to increase or decrease signal voltage (-10dBV and +4dBu) without adding noise. The Line Level Shifter also converts back and forth between balanced (+4dBu) and unbalanced (-10dBV) signals automatically. ...