SE Electronics The Reflexion Filter User manual

The Reexion Filter

Manual

Multi-layer patented technology by sE

U.S Patent 8,191,678 B2

Electronics

www.seelectronics.com

Electronics

RF-X

Reexion Filter Technical Manual U.S Patent 8,191,678 B2 U.S Patent 8,191,678 B2 Reexion Filter Technical Manual

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Thank you for purchasing the Reexion Filter‘portable vocal booth’.

The main idea behind this product is to facilitate‘dry’ vocal recordings, in other words

to achieve a vocal recording which has greatly reduced room ambience. Of course, the

same Reexion Filter can be used to achieve similar results whilst recording various live

instruments, for isolating vocals in rehearsal studios and probably a host of things we

haven’t thought of yet too! We’d be very interested to hear about novel applications from

you, so please do contact us with your ideas, we are always glad to listen as it helps us

improve and develop the product, and the information we can supply to other sE users.

Your Reexion Filter carries a 2 year manufacturing warranty, with free replacement of

parts in case of mechanical failure due to faulty components. This warranty does not cover

failures deemed to be as a result of misuse or abuse of the Reexion Filter. If properly used

and looked after, it should last a lifetime of recording use.

You can extend your free 2 year warranty to three years by registering your product

at www.seelectronics.com, so please visit the site and leave your details. You can also

subscribe to the sE newsletter which we email out once every few months (don’t worry,

we won’t pass your details on to anyone else, and we won’t bombard you with SPAM!)

One last thing… please read this assembly manual to get the best results from your

Reexion Filter… mic positioning, and the stand clamp assembly are critical to getting

best results.

Thank you again, and we look forward to hearing from you,

Siwei Zou

CEO

sE Electronics International

James Young Phil Smith

sE Electronics International sE Electronics International

The Perfect Position

The ‘perfect position’to achieve a ‘dry’ recording is to place the microphone so that the mic capsule sits

centrally (both vertically and horizontally) in relation to the face of the Reexion Filter (the face is the

convex side with coloured panels). It is also important to have the mic capsule of the correct distance

from the face of the Reexion Filter. The mic capsule should sit roughly level with the front edges of the

lter where the curved wall ends.

Having said all that, you CAN use the

Reexion Filter to achieve dierent

eects by experimenting with

positioning. Moving the mic into the

face of the Reexion Filter will give

a ‘darker’ and more ‘dead’ sounding

recording, but it will also aect the

polar pattern response of the mic, so

the mic will perform slightly dierently.

Again, in most cases this would be

undesirable, but this method of use can

create some cool results… try micing an

electric guitar cab this way, it can sound

great!

Moving the mic further away will mean

there is more room ambience recorded

with the dry source. Again, this is not

usually desirable but can be used to

get a specic ‘room sound’ without the

room taking over completely!

The Reexion Filter can be used not

only for recording vocals and acoustic

guitars etc, but as outlined above, you

can experiment to nd new applications like the guitar cab mic’ing we suggested above. We’d love

to hear from you with your own novel applications, so please contact us via the main web site, www.

seelectronics.com, to let us know what you think of the product, and how you are using it.

Thanks again, and we hope you enjoy the results of your new Reexion Filter!

The Perfect Position for Your Reexion Filter U.S Patent 8,191,678 B2

sE Electronics Reexion Filter Manual U.S Patent 8,191,678 B2

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Reexion Filter Technical Manual U.S Patent 8,191,678 B2 U.S Patent 8,191,678 B2 Reexion Filter Technical Manual

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3. Fix the support rod to the Reexion Filter

by screwing it into the socket on the bottom

edge. Tighten the nut using the spanner

supplied in the box.

4. Fix the support rod, with the

attached Reexion Filter, by

pushing the support rod down

into the socket on the stand clamp

and tighten it in place with the

turning key on the block.

5. You can now play with the positioning

of the mic (both vertically and horizontally),

and the height of the Reexion Filter to

get the optimum position for recording.

Assembling Your Reexion Filter U.S Patent 8,191,678 B2

What is the Reexion Filter?

Our Reexion Filters are basically portable devices for recording live sound sources with reduced

room ambience. All three models use an advanced, multi-layer wall which is positioned behind any

microphone by means of a variable position stand clamp assembly (xed-position in the case of the IRF

2) which ships with the product. The main function is to help obtain a‘dry’ vocal or instrument recording.

This is especially useful in studios without proper acoustic treatment, but can also be used to help record

takes in control rooms, where the performer also has to operate the recording device, or in rehearsal

studios to reduce ambient noise.

The Technical Bit:

Reexion Filter Pro (RF Pro): The Reexion Filter Pro has 6 main layers. The rst of these is a strong layer

of punched aluminium, which diuses the sound waves as they pass through it. The next is a section of

absorptive wool, and then a layer of aluminium foil to dissipate energy and break up the lower-frequency

waveforms. From this the sound travels through an air gap, which acts as an acoustic barrier, through a

further layer of wool and lastly an outer, punched polymer wall, which provides additional absorption

and diusion of the remaining acoustic energy.

The Reexion Filter Pro is also equipped with a main absorber, which comprises of four state-of-the-art

specialist acoustic absorption panels. These are tted to the diuser face of the Reexion Filter Pro by

means of extended separation rods, and serve to provide further acoustic dampening and diusion to

the sound waves before they pass to the main lter.

Project Studio Reexion Filter (PSRF): This model utilises some of the design features of the Reexion

Filter Pro, while being more suited toward lower-budget project studios. The PSRF uses an outer

boundary of punched aluminium, followed by a thick layer of the same high-performance absorptive

acoustic breboard that’s employed by the Reexion Filter Pro. Finally, the inner surface is lined with

high-density acoustic “crystal” foam with a curved, undulating surface for maximum diusion.

All of the above Reexion Filters are supplied with an adjustable, heavy-duty clamp for attaching to your

microphone stand. Each clamp will accommodate any shock-mount with a standard tting, and support

the Reexion Filter itself.

Instrument Reexion Filter 2 (IRF2): The IRF2 operates on the same principles as the other Reexion

Filters, but is designed specically with instruments and“end-re” microphones in mind. It consists of an

outer layer of punched aluminium – much like the other Reexion Filters – but then has three discrete

layers of high-performance absorptive acoustic breboard, each separated by an air gap. Together, these

form a highly protective acoustic “shield”, oering a degree of isolation to the microphone from other

nearby sources. It is especially useful in drum mic’ing. The microphone is tted and adjusted by means

of a central, rubber-coated clamp, and the entire assembly attaches to your microphone stand by means

of a simple clamping bracket.

About Your Reexion Filter U.S Patent 8,191,678 B2

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Reexion Filter Technical Manual U.S Patent 8,191,678 B2 U.S Patent 8,191,678 B2 Reexion Filter Technical Manual

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1. Remove the Reexion Filter and stand assembly

unit from the packaging. Please keep the

packaging safe to store the Reexion Filter

when not in use, or for transportation. It is

robust, but parts may get damaged or lost in

transit if not packaged properly.

You should have the following parts –

Reexion Filter (curved wall), stand assembly,

support rod and spanner to t support rod.

2. Fix the stand clamp assembly in place

on the neck of your microphone stand

a few inches below the point where

the shock mount is usually xed, or

on the main vertical support strut of

the stand.

You will see the assembly has two

black blocks with one large screw, on this

is a turning key, turn this until the

clamp is securely xed to the mic stand.

The clamp also has a large barrelled

hinge (with a turning key) which allows

the mechanism to turn back on itself so

that the centre of gravity is kept over

the mic stand rather than in front of it.

This should be hinged fully back so the

whole assembly is in balance, and the RF

is then positioned as close to the centre

of vertical on the mic stand as possible.

Assembling Your Reexion Filter U.S Patent 8,191,678 B2

Clamp Assemblies

IRF2 - Specic Brief Fitting Instructions

1. Remove your IRF2 from its packaging. We recommend keeping the

packaging, in order to transport the IRF2in the future without risking

damage.

2. Remove the protective foam bung from the central microphone clamp,

in the face of the IRF2.

3. Fit your microphone. To do this, insert your microphone to the required

position, and tighten or loosen the adjustment screw until the

microphone is secure.

4. Fit the entire assembly to your microphone stand. Adjust the bracket at

the rear of the IRF2 until it is at the desired angle (using the turning key on the adjustment hinge),

then position the microphone’s boom arm in the large clamp and tighten until it’s secure.

5. The bung can be inserted if a side-re microphone is being used.

PSRF Clamp Assembly

The Project Studio Reexion Filter (PSRF) clamp operates much like the

Reexion Filter Pro (RF Pro) clamp, but is simpler as the PSRF is a lighter

product. The stand assembly for the RF Pro comprises a microphone

stand clamp tting, which attaches by means of an adjustable vertical

rod to the horizontal bar assembly. The Reexion Filter itself, and any

standard tting shock-mount, can be tted to this. The microphone

(in its shock-mount) can then be moved both back-and-forth (PSRF and

RF Pro) and vertically (RF Pro only) along the bar, and the Reexion Filter

itself can be moved vertically to obtain the optimal working position.

RF-X Clamp Assembly

The RF-X clamp is very simple to assemble. The clamp is tted with a small

threaded piece that attaches the clamp to your microphone stand. It is

recommended that you attach the clamp to your stand rst. The lter is

then xed to the vertical section using the two bolts supplied. These can be

loosened at any time to adjust the height of the lter. Finally, attach your

microphone clip or shock mount to the remaining vertical bar. This can also

be adjusted at any time to vary the position of your microphone within the

lter.

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About Your Reexion Filter U.S Patent 8,191,678 B2

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