Empirical Labs MIKE-E Manual do Utilizador descarregar pdf (Página 6)

EXAMPLE SETTINGS PT 3

Synthesizers – First, don’t forget to use the direct Instrument input if the level of the synth is low,

although many modern synths can usually go right into the rear input jacks and not have trouble

driving the transformer input. Great for stage setups as a DI box. Synths often have plucky top

ends. One can smooth them out with saturation and emphasis previously described, or with a fast

compressor/limiter. Compression can help get rid of the pointy peaks also, but often more EQ is

necessary. Rolling off top end can help get rid of the buzz and peaks of a synth part. Remember it’s

how the whole mix fits together, and not an incredible tone of a single incidental part. Cutting freqs

on one track, gives room for them to come through on other tracks.

Percussion - Drums and percussion have a huge dynamic range, and often need lots of “help”

in digital recordings. Perhaps the most common issue is spiky transients that can fatigue the ear

quite quickly. Drums can have peaks 20dB above the beef or tonal part of the sound, and analog

tape used to smash these down a bit so your poor ear drums didn’t have to respond to them and

clamp down so hard on them. Because the Mic Pre part of the Mike-E is clean and accurate, the

discussion below is about using the CompSat circuits to add musicality and warmth to percussives.

Snare

– After setting the Mic Gain, perhaps the safest and most musical thing to do while tracking is

to use the Saturation of the Mike-E’s CompSat. Compressing drums during tracking can be

dangerous because bleed is brought up, and also, gating becomes a problem because the signal is

leveled and the decay or even another drums bleed will keep the gate ON (open). However, Mike-

E’s compressor does sound incredible on snare drums! More on this after trying the Saturation first.

Analog tape was always a big help in getting a fat, punchy, natural snare. If the snare has a

plastic edge to the front end, try 1:1 with the Emphasis circuits to saturate the HF peaks sooner,

especially after Eqing in some top end. Try turning up the Drive while in 1:1 till the BAD! LED lights

then backing down a touch, and listen to what full Saturation sounds like on the snare. This can

really help bring up snare “ghost” strokes, without compressing (one engineers favorite use!).

Compressing the Snare is a blast. So many options, especially when you start using the Mix

Control. Lets go over the top with NUKE ratio first. Turn the Mix 100% (full CW on 10) and put the

attack on .9mS, release .1 and turn Drive up till all the GR LEDS light up. Notice how smooth the

compressor is even at 20 – 30 dB of compression. Now for a sec, turn the mix control CCW to blend

in the DRY signal. You may want to adjust the output volume to compare different Mix amounts.

Now the dynamics have returned with the body and tone of the snare appearing quickly underneath

as the compressor brings them up. This is a wonderful mixdown tool, but can again be dangerous if

you track with it, unless you have another uncompressed snare track.

A more gentler compressor setting would be to return the Mix to 100% (10) and turn the ratio to 8:1,

attack on 20 or 100mS, much slower now to give some THWACK! A slow compressor attack lets

the transient front edge overshoot and seem ‘harder”, while the fast release will recover the body of

the snare after. You will see the Warm or even the TOASTY LED light up on the front edge

indicating some tape-like saturation. Experiment with the the Drive and Release and notice how the

tail of the snare is affected. Always try to have a good drum submix when adjusting compressors

and eqs, since the interaction of mics is what you will be dealing with when its all done.

Toms

– Generally you can use all the techniques of the snare, described above. Toms are

especially susceptible to cymbal bleed, especially when compressing. The ride and crash cymbals

are extremely close to the toms so positioning of the mics to minimize the cymbals is very key when

tracking. If the toms are clacky, you can help with the compressor during mixdown by using a higher

ratio (8:1?) and a fast .9mS attack, and a fast release. This will demolish the attack (producing the

clackyness), and emphasize the tone that follows.

Kick Drum

– Setting levels should be relatively easy using the CLIP TEST method, having the

drummer hit the Kick and snare as hard as he can at the same time. Using the 1:1 CompSat in 1:1

to softly clip peaks can make the Kick, especially if the drummer hits hard and has lots of attack. If

the Kick needs attack, use the slower 20mS or 100mS attack setting on the Compressor to allow

overshoot. Again this should be done on mixdown, since tracking the kick with compression can

cause problems previously mentioned on other drums.

Overhead cymbals

– Analog tape used to soft clip and self erase the sometimes annoying transient

pings on the front edge of cymbals. The Mike-E’s saturation can really help with this, especially if

the Emphasis is used. Set MIX to 10 (full CW) CompSat on 1:1 and adjust drive to get desired

saturation. Sometimes a fast compressor (.9mS attack) can be a tool to soften these edges,

although it can also cause a splashy sounding mix if the drummer plays a lot of cymbals. Lighter

ratios will keep the cymbals from pumping too much, but don’t be afraid to bypass compressing and

just use some saturation for treatment of the overheads, especially while tracking.

Wiring the Mike-E

All Empirical Labs products have hookup directions located on the rear panel of unit, near

the connectors.

Connect AC line cord to 3 prong IEC jack, plug in XLR or phone plug ins and outs, and you're

wired. The rear panel phone and XLR input jacks are both differential. At the output, only the XLRs

are differential (balanced). The output phone jack tip is wired to pin 2 of the XLR out, and therefore is

in phase with that pin. The Instrument Input on the front has gain and is single ended. If you have

an instrument like a bass, guitar, or synth that needs pre-amping, use this input. You CANNOT use

two inputs at the same time, but its ok to use the Inst “In jack” and leave the rear inputs connected.

Preferably, only one input jack will have a “hot” signal at any given time.

The only real problems you may have are at the outputs. Don’t short any of the Active XLR

output pins 2 or 3 to ground. Let the unused pin “float” (stay unconnected). Separate

amplifier drives each of these pins, so grounding one of them will short the associated amplifier out.

Therefore, if you only use pin 2 on your output cable, leave pin 3 unconnected and vice-versa.

The reverse is true with the Class A Transformer Output. Always connect pins 2 and 3 to

something, either an input or to ground. Pin 1 is shipped un-grounded on the Transformer Output

XLR, but a jumper inside on the rear of the “Power Supply” board can connect this pin to ground.

When going to a single ended patch bay or other device, using quarter inch phone plugs

(guitar cables) will work just fine, and take some guesswork out of wiring. To use the

Transformer Output single ended, short pin 3 to ground on the XLR at the patch bay, or other

device. Patch bays seem to be the cause of many phase, buzz, or fidelity-loss problems.

Cable Facts… and Fiction

CABLES GENERALLY DO NOT MAKE A BIG DIFFERENCE IN SOUND. As long as a cable is

wired properly, shielded properly, and not damaged, no one will be able to hear the difference in a

length of decent cable 40 feet or shorter... regardless of what Munster Cable or anyone tells you!

To our knowledge, no AB/X listening tests have ever found any difference between a short, properly

wired low cost cable, and a premium “audiophile” cable in low impedance situations. But even

though there are cable companies who have made millions propagating misconceptions, some

cables are indeed lower impedance, better shielded, and break-free than others. Mogami is a great

price/value in our opinion. The big “gotcha” is that between patch bays and remote wiring, the

accumulative lengths can exceed 60 ft or more for a professional studio “patch”. These longer

lengths can start to show shortcomings of cables, since the capacitance vs. inductance begins to

mount and causes slight phase shift and high frequency loss, especially in high impedance sources

such as “passive” guitars, basses, and certain microphones. Low impedance wiring is less prone.

Speaker cables are even sensitive as long as they are heavy gauge. For monitors, 10 –

14 gauge zip cord should handle most anything (for some reason the lower the gauge, the thicker

the wire). Huge PA systems with long runs to amplifiers require a little more care.

The same applies to the AC power cables. We have seen $150 power cables, claiming

added definition, musicality, and even “sincerity”! As long as a $1 six foot AC cable isn’t worn, and is

less than 16 gauge, signal processors such as the Mike-E will perform just as superbly as with any

$150 cable. Almost all musical gear has a regulated DC power supply that does an incredible job at

completely isolating whatever flaky AC comes in.

OPTIONS/UPGRADES

 Lundahl XL Input Transformer – Handles hotter Low Frequency inputs.

 Insert Point – Sends the Mic Preamp to TRS rear connector, which can

be used as insert point for EQ or other processing. Also allows

outputting compressed and uncompressed audio, simultaneously.

 Jenson Output Transformer – Available in future.

 Class A Output Transformer – Available in future.

 XFRM Output Ground Lift Switch – Useful for live situations.

 Alternate Compression Ratios

These options will be available from Empirical Labs directly.

See www.EmpiricalLabs.com for pricing and details.

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