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MANLEY VOXBOX® Combo This Section makes EQ I am a tubed micpreamp I can compress your track for you. I am meter. Watch me bounce. I have sibilant gaps in between my teeth.Power to the People!

The Buzz on the Street..........
Features And Specifications | Suggested Retail Price
See the whole panel really big! | Get The Owner's Manual PDF

It looks awesome, but what is it?

Primarily, it is a voice processor which in itself is not a novel idea, but the time had come to pull out all the stops and make a truly professional high-end statement. One that covered the needs of the project songwriters and big-time major studios alike. One whose all-tube signal path could bring every instrument and overdub to life. One that, plain and simple, sounded unquestionably better than the rest, provided flexibility, simplicity, and well thought-out ergonomics. Full of features, timeless style, robust build quality, and that world-famous "Manley Sound", we present to you the MANLEY VOXBOX®.

 

That’s nice. What’s it good for?

While we were designing the VOXBOX® we couldn't help but notice how well it works on other instruments besides voice. There are some great settings for drums, bass, guitar, and keys and the two separate sections can be used together or independently. Stereo using two VOXBOXes? You know we couldn’t resist planning for that as well. There are Stereo Links for both the compressor and the De-Ess/Limiter sections, special compression settings and super-sweet EQ frequencies for your mix or pre-mastering. So don't just use it for voice. The name "VOXBOX®" represents only the beginning...

 

 

MICROPHONE PREAMPLIFIER SECTION: The preamplifier is a clone of a highly regarded and popular mic pre: the Manley Mono Microphone Preamplifier! The mic input transformer is our own design wound in-house at the Manley Labs factory. High current 48V Phantom power is switchable from the front panel. A simple and effective passive BASS CUT switch kills rumble and reduces popping. The INPUT ATTENUATOR is a variable pad control situated before the first tube stage allowing the preamplifier to accommodate +4 line level signals via the balanced LINE INPUT and instruments via the front panel 1/4" DIRECT INPUT. These inputs are selected in the middle position of the dual-function phase invert switch. We provide both transformer balanced XLR output as well as a transformerless "audiophile" 1/4" phone jack output. The Gain switch is actually a clever variable feedback control that changes not only the gain but the slew rate and flavour of the circuit. With it you can choose how laid back and mellow or how up-front and aggressive you want it to get. See "Notes on Variable Feedback" for more info. Headroom is a strong point in this circuit, +31dBu capable. This is 5 to 10 dB better than almost all other pro gear. The music passes through only our super-clean pure Class A vacuum tube circuitry. There are obvious advantages to our purist approach and foremost is the un-electronic final sound that carries emotion into the digital realm.

COMPRESSOR SECTION: This cool compressor design is the result of blending the control ideas in our best selling Variable MU® Compressor Limiter with the opto-isolator approach of the Manley ELOP® Limiter. We figured out how to compress the signal before it hit the tubes with no detrimental effect on distortion or frequency response. This way, it can prevent mic-pre clipping and eliminate whole stages of electronics. This cuts the typical path of mic to tape in half! We also pioneered new thinking in the sidechain. Rather than compromise, we developed a technique of using up to four different time constants simultaneously and controlling them with familiar simple attack, release and threshold controls. We call the approach "Parametric Compression". We developed optimum settings or presets based on the Light Dependent Resistors of our own fast ELOP® Limiter, the quick LA-2A, the slower LA-3A and then created more complex special settings. This extended range and method of timing delivers fresh sounds from powerhouse punching drums to super-solid bass yet can also emulate the way good engineers delicately ride a fader while recording. It is transparent and liquid-smooth on vocals, easy to use and accurate. Also rare for an opto-based dynamic processor, this compressor works great on mixes. Of course, you’ll be needing two VOXBOXes linked in stereo...

EQ SECTION: Lots of folks requested that we include the Pultec Mid Frequency Equalizer in the VOXBOX®, but they wanted MORE.... Now we’ve extended it to 33 frequencies in 3 bands with 6 new frequencies from 20 Hz to 150 Hz, and 6 more in the highs from 6.4 KHz to 20 KHz. Ever notice that only EQs with real inductors have the bottom end magic or that only Class A circuitry can keep the top end sweet? This is for you. The EQ INPUT switch patches in the Line Input, Preamp Output, or the INSERT return. This switch serves double-duty acting as a bypass switch for the preamp and/or external processors or for processing two different tracks.

DE-ESSER & LIMITER SECTION: Designed by folks with admittedly large gaps between their two front teeth, (Hutch and EveAnna) the VOXBOX® combo also includes a de-esser & peak limiter based on our original ELOP® Limiter design but with an added passive LC network to handle the de-essing– four carefully chosen notch frequencies from 3KHz to 12KHz. (That 3KHz setting really tames those annoying frequencies!) The fifth position gives you a limiter which totally mimics the famous LA-2A. This means you can both compress pre-EQ then limit here post-EQ. Another cool feature is the ability to insert this de-esser silently and smoothly as the music plays, using it as needed.

In real life, this meter is cream colored...

Did you know? G-R means Gain Reduction...

The METER is a full size illuminated Sifam VU meter. A five-position switch shows three audio levels: the line input, the preamp output and the final output. It also shows compressor gain reduction and the de-esser/limiter action. Other clever innovations incorporated into the VOXBOX® combo include warm-up muting circuitry, extensive magnetic field containment, ‘smart -grounding’, and silent switching. The sum-total is more than the separate parts: consider the reduced patching, the short path to tape and you having this much immediate control.

As engineers, we choose what we use not based entirely on features and functions– there is a sound, a texture we reach for and the VOXBOX® combo puts the ‘Manley Sound’ together with ‘Your Sound’.

You'll have to buy one to see what the rear panel really says...

Rear View

Guts of the VOXBOX®


 

EveAnna bought that jacket at some used clothing store in Haight-Ashbury in 1989 and it finally wore out in about 1999... Not bad for $65 bucks.

Get the VOXBOX Owner's Manual PDF

EQ Curves PDF

Gain reduction Curves PDF

Session Recall Settings Template PDF

Calibrate Your VOXBOX PDF

MANLEY VOXBOX®  combo

FEATURES AND SPECIFICATIONS

 

• MANLEY transformers w/nickel laminations in mu-metal cases

• 2 Kohm MIC INPUT Z w/High current 48V Phantom power built-in

• Hi-Z (100K) Direct Instrument Input

• LINE & INSERT INPUTS (balanced XLR & 1/4")

• PREAMP & EQ outputs LO-Z (50W)

• Transformer balanced XLR outputs

• Transformerless unbalanced 1/4"outputs

• STEREO LINK for Compressor & De-esser/Limiter

• SIDE CHAIN MONITOR for De-Esser

• Large ILLUMINATED Sifam METER with FIVE readout modes
(older units before serial number MVB**1359 shipped before 9/2003 use:
 12V 1.2W FESTOON LAMPS; Manley's Part Number: VAR016C) Order spare bulbs using our parts order form.
(newest units after serial number MVB**1359 shipped after 9/2003 use yellow LED lighting) 

• THD + N (1KHz @ +20 dBu): 0.3%

• Maximum output: +31dBu

TWO independent sections:

MIC PRE

EQ

Frequency Response

+/-1dB 20Hz - 60KHz

10 Hz - 100KHz

Noise Floor (A-wgt)

-86 dB

-89 dB

Signal to Noise Ratio

113 dB

116 dB

Tube complement

12AX7LPS & 6414

5751 & 6414

Gain

40 to 60 dB

unity

TWO separate processors:

COMPRESSOR 

DE-ESSER
& LIMITER

Ratio

3:1

10:1

Maximum Reduction

16 dB

32 dB

Attack Times

4mS to 70mS

2mS

Release Times

.3, .5, 1, 2, 5 Sec

.5 Sec

De-Ess Notch Frequencies

3, 6, 9, 12KHz, none (LIMIT)

General Info:

 

Power Consumption

24 watts

Mains Voltage Frequency

50~ 60Hz

Dimensions

19" x 5.25" x 10"

(occupies 3U)

Shipping weight

21 lbs.

NOTE: 
Operating mains voltage:
Units are purpose built for original destination country's mains voltage:   
100V, 120V, or 220-240VAC as indicated on the serial number badge. Power transformer must be replaced in order to change mains operating voltage.
120VAC units may NOT be rewired to put the primaries of the power transformer in series for 220-240V operation or a large radiated field of hum will develop. If changing locations/voltages, the power transformer must be replaced with the dedicated one for the voltage at which it will operate.

 

We are so very proud to announce that the VOXBOX was awarded a 1998 "TEC" Award by Mix Magazine
This was Manley's 4th TEC award nomination in a row and our first winner! Thanks to all the folks who voted and to everyone who supports and shares our vision and commitment to the pursuit of innovative, uncompromised design.
Read the reviews!

 

We are so proud of our TEC award, especially after having to endure so many rubber chicken dinners at the award ceremonies...

Manley VOXBOX® combo 1998 TEC Award WINNER 

Manufacturer's Suggested Retail Price: $4,000

 

1. Question: My meter lamps burned out. How do I get replacements? 

Older units before serial number MVB**1359 shipped before 9/2003 use:
 12V 1.2W FESTOON LAMPS; Manley's Part Number: VAR016C Order these spare bulbs using our parts order form.
Newest units after serial number MVB**1359 shipped after 9/2003 use yellow LED lighting and those shouldn't burn out.
You can get in touch with Paul in our service department and upgrade your older unit to yellow LED lighting for $25 bucks.

 

2. Question: What's the "High Gain Mod"?
The High Gain Mod for Serial Numbers MVB000 - MVB737 is available for $150 cost and includes tube changes, resistor changes, re-cal and checkover plus return shipping (within USA). This mod updates older Voxboxes to current version (MVBX###) for more gain: 40, 45, 50, 55, 60dB. Please contact Paul in our service department to arrange this.

Or if you are as good a tech as we are, you may do it yourself. Step-by-step instructions may be found here.

3. Question: I have a VoxBox® which I use as my main input into my PT system, recording not only vocals through it but most anything else too. To achieve a stronger level from guitars you suggest running it through an effects pedal before the VoxBox®.
Would running it through a Di first be better? And if so, would you  recommend active or passive or indeed your Dual Mono Di?

And Hutch's reply:

My comments were meant to address the low-ish gain of the VoxBox Direct
Input and the possibility that some axes are quieter than average. In those
situations, one might need to boost the gain before it hits the VoxBox. Many
stomp boxes have gain or volume controls with more than enough range to
provide some seriously impressive levels.

Now a direct box is a completely different animal from a stomp box. The DI's
basic function is to turn an instrument signal into a mic level signal (or a
balanced line level signal). In the case of the former. A DI generally
reduces the voltage (-20dB) to be appropriate for a mic pre, which means you
would plug the DI into the Mic Input, and my comment wouldn't be relevant
because it was pointed at the Instrument Input. Might also be weird to go
thru adapters to drive a stomp box with a signal now dropped 20dB to raise
it back +20 to +40 dB again.

However, one could use most direct boxes to drive the mic input and have
plenty of gain in most cases. One wouldn't put a stomp box after a DI, but
if you like there is nothing to stop you putting it before the DI. In fact
one could "insert" the stomp box between the VoxBox Mic Pre and EQ sections
though that signal may be a little hot, but workable. (or not)

And then there are some active Direct Boxes that convert an instrument
signal to line level, and the appropriate place to patch these is into the
VoxBox Line Input.

As to Active or Passive DI's - whatever works - whatever sounds right to
you! Basically they all sound a bit different, have strengths and weaknesses
and a few right ways to use them, plus many wrong ways.

The idea of the VoxBox Instrument Input was to allow most guys to not have
to require a Direct Box - just plug the axe into the front panel - bingo.
Several top session bass players do just that routinely. This doesn't rule
out that if you prefer, you can use a direct box that you love and patch it
into the Mic or Line Input, whichever is more appropriate for that box.

But the only point of all this is "Are the levels that YOU are getting hot
enough, OK or too hot?" If they are OK, no problem, if too hot, turn down
the gain, if not hot enough, then there are solutions maybe requiring a
stomp box or DI. And only YOU can really judge "better" and that only
requires listening and playing, rather than getting bogged in
technicalities, patching and electronics. Have fun, make music.....

h


Manley VOXBOX® gets exposure in Brazil!

VOXBOX® is a registered trademark of Manley Laboratories, Inc.

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