TL Audio 5051 Single Channel Voice/Instrument Processor

TL Audio 5051 Single Channel Vacuum Tube Microphone Preamp, Compressor, 4 Band EQ and Noise Gate

TL Audio 5051 Single Channel Vacuum Tube Microphone Preamp, Compressor, 4 Band EQ and Noise Gate

B&H # TL5051 MFR # 23-71021
TL Audio 5051 Single Channel Voice/Instrument Processor

TL Audio 5051 Single Channel Voice/Instrument Processor Back View

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  • 1Description

The 5051 from TL Audio is a single channel voice and instrument processor with microphone, line and instrument inputs, a compressor, a four band equalizer and a noise gate. Housed in a 2U rack chassis, the single illuminated VU meter monitors the input level, output level or the compressor gain reduction.

Part of the Ivory 2 Series, the unit is a hybrid valve signal processor, which utilize low noise solid state electronics in conjunction with classic valve circuitry to produce an audio processing unit that offers a high quality signal path with a unique tube audio character.

Inputs

Microphone and line inputs are provided on electronically balanced XLR connectors and the line input is duplicated on an unbalanced 1/4" TS phone connector.
A solid state, electronically balanced input amplifier is used to achieve very low noise, low distortion and wide bandwidth performance. An ECC83/12AX7A triode valve stage, run from a stabilized 150v DC supply, is used as a second stage voltage amplifier to obtain the classic vacuum tube sound and gradual overdrive characteristics.
Phantom power and a 30dB pad are provided on the microphone preamp stage along with a switchable 90Hz high pass filter.
A front panel instrument input is provided, thus allowing guitars, basses and keyboards to feed directly into the unit, removing the need for a separate DI box.

Output

Balanced and unbalanced line outputs are provided on XLR and 1/4" TS phone connectors that can be used simultaneously.

Metering

A single illuminated VU meter monitors the input level, output level or the compressor gain reduction.

Compressor

Offers variable control of threshold and ratio, with switchable attack and release times and a choice of soft or hard knee compression modes.
A "Hold" facility reduces LF distortion, and a side chain insert point is provided for frequency conscious compression.
An independent gain make-up control is provided, to retain the subjective loudness of a compressed signal, plus an overall master output level control.
The output control has a nominal 0dB of gain at its centre, with up to 15dB of further gain available to achieve the high level required for some digital recorders.

Equalizer

Four band valve EQ with a triode valve stage in each filter
Up to 12dB of cut or boost and a choice of four pre-selected frequencies on each band.
An "EQ PRE" switch places the EQ ahead of the compressor in the signal path.

Gate

Simple but effective noise gate with variable threshold to remove unwanted background noise.
In the Box
TL Audio 5051 Single Channel Vacuum Tube Microphone Preamp, Compressor, 4 Band EQ and Noise Gate
  • AC Power Cable
  • One (1) Year Warranty
  • Table of Contents
    • 1Description
    Number of Channels Single
    Inputs 1 x XLR Microphone
    1 x XLR Line
    1 x 1/4" TS phone Line
    1 x 1/4" TS phone Instrument (front panel)
    1 x 1/4" TRS phone Insert
    Outputs 1 x XLR
    Frequency Response 10Hz to 40KHz, +0, -1dB
    Noise Mic EIN: -127dBu with 150 Ω source, 22Hz to 22kHz and maximum gain
    Line: -80dBu, 22Hz to 22KHzt @ 0dBu
    Preamp
    Gain Range +16dB to +60dB
    Maximum Output +26dBu
    Input Impedance Not specified by manufacturer
    Phantom Power +48V at 10mA maximum
    Compressor
    Threshold Range -20dBu to +20dBu
    Ratio 1:1.5 to 1:30
    Attack Time 0.5 mS to 40 mS (4-position switch)
    Release Time 40 mS to 4 seconds (4-position switch)
    Slope Hard / Soft Knee switch
    Sidechain Yes
    Equalizer
    Filter Type High and Low Bands - Shelving
    Mid-Hi and Mid-Lo - Peaking
    Frequency Bands LF Band: 60Hz to 500Hz
    LM Band: 250Hz to 2.2kHz
    HM Band: 1.5kHz to 5kHz
    HF Band: 2.2kHz to 12kHz
    Bandwidth Q = 0.5
    Range (Boost/Cut) +/-12dB
    Light Indication
    Threshold Range Not applicable
    Ratio Not applicable
    Attack Time Not applicable
    De-Esser
    Threshold Range Not applicable
    Frequency Range Not applicable
    Gate
    Gate Threshold -60dBu to -10dBu
    Gate Rate Fixed
    Physical
    Dimensions (WxDxH) 19" x 7 7/8" x 3 1/2"
    Weight 13.25 lbs
    Specialties Drive LED has progressive intensity to indicate valve drive

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