Manley VOXBOX Combo

Manley VOXBOX Combo

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Manley VOXBOX shares its fully featured mic preamp design with Manley’s acclaimed Mono Mic Preamp, giving you a whole lot of headroom and Class A vacuum tube tone. What’s more, the smooth compressor section is a perfect blend of Manley’s best-selling Variable MU and the opto-design of their ELOP. All of these features make the VOXBOX a true sonic studio workhorse, in addition to a flexible Pultec-style mid frequency Equalizer, de-esser/limiter section, and Stereo Link function.

Pultec-style Equalizer
Manley took their Pultec-style Mid Frequency Equalizer up a few notches when they added it to the VOXBOX. It’s now extended to 33 frequencies in 3 bands, so it offers six new frequencies from 20-150Hz as well as six new frequencies from 6.4-20kHz. With real inductors and Class A circuitry, the VOXBOX’s Equalizer is set to serve up that “magical” sound. An EQ input switch lets you patch in the line input, preamp output, or insert return. The switch also acts as a bypass switch for the preamplifier or external processors, for processing two different tracks.

De-esser and Limiter section
The VOXBOX’s de-esser and limiter section gives you even more flexibility with the source. The peak limiter is based on the ELOP limiter design, and Manley added a passive LC network to take care of the de-essing. There are four carefully chosen notch frequencies – 3kHz, 6kHz, 9kHz, and 12kHz – to tame problematic frequencies. Plus, a fifth position offers up a LA-2A-style limiter – compress pre-EQ, then limit post-EQ. You can also seamlessly and smoothly insert the de-esser as the music plays, so you only use it where you need it.

Switchable VU meter
The Manley VOXBOX is packed with a full-size, illuminated Sifam VU meter. An included 5-position switch lets you switch between levels – monitor line input, preamp output, and final output audio levels as well as compressor gain reduction and the de-esser/limiter action.

Innovative “extras”
Manley gave the VOXBOX a few clever “extras,” including warm-up muting circuitry that you can bypass using an internal switch, making the VOXBOX perfect for both the studio and the stage. Other welcome additions include extensive magnetic field containment, “smart grounding,” and silent switching.


Manley transformers with nickel laminations in mu-metal cases

2 Kohm mic input z with high current 48v phantom power built-in

Hi-Z (100K) direct instrument input

Line & insert inputs (balanced XLR & ¼”)

Preamp & eq outputs lo-Z (50w)

Transformer balanced XLR outputs

Transformerless unbalanced ¼” outputs

Stereo link for compressor & de-esser/limiter

Side chain monitor for de-esser

Large illuminated sifam meter with five readout modes


Mic Pre
Frequency response: ±1dB 20Hz-60KHz
Noise Floor (A-weight): -86dB
Signal to Noise Ratio: 113dB
Tube complement: 12AX7LPS and 6414
Gain: 40 to 60dB


Frequency response: 10Hz – 100KHz
Noise Floor (A-weight); -89dB
Signal to Noise Ratio: 116dB
Tube complement: 5751 and 6414
Gain: unity

Ratio: 3:1
Maximum Reduction: 16dB
Attack Times: 4mS to 70mS
Release Times: .3, .5, 1, 2, 5 Sec

De-esser & Limiter
Ratio: 10:1
Maximum Reduction: 32dB
Attack Times: 2mS
Release Times: .5 Sec
De-Ess Notch Frequencies: 3, 6, 9, 12KHz, none (LIMIT)

General Info:
THD + N (1KHz @ +20dBu): 0.3%
Maximum output: +31dBu
Power Consumption: 24W
Mains Voltage Frequency: 50 ˜ 60Hz
Dimensions: 19″ x 5.25″ x 10″ (occupies 3U)
Shipping weight: 21lb.

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