Where to Buy Audio Line Amplifiers

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RDL STA-1 Dual Balanced/Unbalanced Line Amplifier -12 to 20 dB Gain
Radio Design Labs
Item# STA1
The RDL 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 and a line amplifier. Hook up the STA-1 just like a pair of audio transformers with gain. True dc amplifiers produce unsurpassed audio clarity, high common-mode rejection, ultra-low distortion and low noise. The STA-1 is perfect for most line amplification, impedance or balanced/unbalanced...
Our Price: $211.96
Availability: In Stock
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RDL ST-VCA3 Voltage Controlled Amplifier
Radio Design Labs
Item# ST-VCA3
The RDL 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 amplifier's level. For installations where it is preferred to keep the audio localized in the rack, audio controls are extended outside the rack from the ST-VCA3. Many installations benefit from avoiding long-term potentiometer wear from audio running...
Our Price: $173.08
Availability: In Stock
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Bellari PA550 3 Channel Preamplifier
Bellari
Item# RLS-PA550
The PA550 is a sleeper. It has so much gain potential that it will drive any amplifier made with ease, and not even break a sweat. The amount of headroom available in the PA550 can only be rivaled by pre's that cost enough to drain anyone's bank account. The PA550 tone is full bodied, letting you know right away that all frequencies are covered and nothing is masked. It never gives you the impression that it is making the treble too shimmery, or that the bass response has been overly...
Our Price: $129.00
Availability: Typically Ships in 3-10 Business Days
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Bellari PA555 Preamplifier
Bellari
Item# RLS-PA555
The Bellari PA555 Preamplifier doesn't just sound "good for the money", the PA555 sounds "good for any amount of money." We hope you're enjoying the current retro music trends especially with vinyl, tube tuners and turtables. Bellari wants to further enhance your listening experience by offering the PA555 an essential piece of gear that wull make listening to your music collection more rewarding. Bellari has built a product specifically for you vinyl and retro lovers but doesn' tsimply...
Our Price: $275.00
Availability: Typically Ships in 3-10 Business Days
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Bellari PP532 Passive Preamp
Bellari
Item# RLS-PP532
The PP532 pre amplifier, is a completely passive design with absolutely nothing added to your audio signal path. That means no power required, no electronics used and no distortion will ever be added to your music. It is the most effective way to reach high-end audio quality, and you will save enough coin that you can buy the more expensive speakers you have been eyeing. The chassis is made from .090 steel, meaning it is 3 times thicker than most chassis. Four pairs of RCA inputs...
Our Price: $109.00
Availability: Typically Ships in 3-10 Business Days
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Bellari VP549 Phono Preamp
Bellari
Item# RLS-VP549
The Bellari VP549 phono pre has excellent true sound resolution. It's tone center is right in the middle of the music. It performs very well on the extremes, and never looses its solid performance in the meat of the music. Has a well rounded sound when needed, but has a very surprising shimmer when called on. The VP549 is bold, yet has a very surprising attack that will take your rig to the next level. Hundreds of hours went in to listening and improving the design. All Bellari...
Our Price: $149.00
Availability: Typically Ships in 3-10 Business Days
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Jensen JT-11-BMCF Line Output Audio Transformer with 1:1 Bifilar Windings
Jensen Transformers
Item# JT-11-BMCF
The Jensen JT-11-BMCF is a Line Output Audio Transformer with 1:1 Bifilar Windings. This transformer is designed for ultra-high performance line output stages. Specially processed 80% nickel core alloy is used for lowest possible harmonic distortion of high level low frequency signals. For best performance, driving signals should be free of DC and source impedance kept as low as possible. Line output transformers are useful mainly because they allow any output stage circuit topology,...
Our Price: $159.99
Availability: Typically Ships in 3-10 Business Days
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JLCooper MLA-10 4 In 4 Out MIDI Line Amplifier - Rack Mount
JLCooper Electronics
Item# JLC-MLA-10
JLCooper Electronics extends the distance of MIDI with the MLA Series - MIDI Line Amplifiers. They let you effectively extend MIDI cable length using twisted pair wire or a standard audio snake. MIDI Line Amplifiers are specifically designed for sending MIDI data over long distances with the capability to send information in excess of 1000 feet. Ideal for touring systems or permanent installations, MLA's can be used in schools, recording and production facilities, board- rooms, live performances,...
Our Price: $592.00
Availability: Ships Factory Direct, Typically in 3-10 Business Days
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JLCooper MLA-XLR MIDI Line Amplifier Over Balanced Audio Cables
JLCooper Electronics
Item# JLC-MLA-XLR
MLA-XLR is a single channel, bidirectional, long distance amplifier or driver for MIDI signals. It extends the range of MIDI to over 1000 feet using standard balanced audio lines (audio snakes, mic cables, etc.). MLA-XLR is refreshingly simple to use. There are no settings to configure. Just plug in the power supply and connect two MLA- XLRs together with a pair of standard mic cables. Then, connect your MIDI gear as you would normally. While the MIDI protocol specifies a...
Our Price: $343.00
Availability: Typically Ships in 3-10 Business Days
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Radial J Plus-4 Stereo -10dB to Plus-4dB Line Driver
Radial Engineering
Item# RAD-J4
The Radial J+4 is a stereo interface designed to accept unbalanced low output level devices such as instruments, computers or CD players and boost the signal to a balanced +4dB level for easy manipulation in professional environments such as broadcast, recording studios and live touring. The design begins with 100% discrete components for optimal signal transfer. Careful attention has been paid to eliminate noise by combining the advantages of active signal buffering with transformer isolation....
Our Price: $279.99
Availability: Typically Ships in 3-10 Business Days
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RDL STA-1 Dual Balanced/Unbalanced Line Amplifier -12 to 20 dB Gain

RDL ST-VCA3 Voltage Controlled Amplifier

Bellari PA550 3 Channel Preamplifier

Bellari PA555 Preamplifier

Bellari PP532 Passive Preamp

Bellari VP549 Phono Preamp

Jensen JT-11-BMCF Line Output Audio Transformer with 1:1 Bifilar Windings

JLCooper MLA-10 4 In 4 Out MIDI Line Amplifier - Rack Mount

JLCooper MLA-XLR MIDI Line Amplifier Over Balanced Audio Cables

Radial J Plus-4 Stereo -10dB to Plus-4dB Line Driver

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