Sontronics Delta 2 Manuale utente

SONTRONICS DELTA 2

USER GUIDE

Thank you for choosing our DELTA 2 microphone and welcome to the SONTRONICS family!

We hope you enjoy your new purchase and we invite you to take a moment to

We have provided this guide to help you fully understand your microphone

and get the best from it. PLEASE READ THIS GUIDE CAREFULLY

before using your DELTA 2 as it also contains important information

for your safety and for the longevity of your new microphone.

For more information on all our

microphones and accessories,

and about

SONTRONICS®

in general,

visit www.sontronics.com

ABOUT YOUR DELTA 2

Our British-made SONTRONICS DELTA 2 is a phantom-powered ribbon

microphone speciﬁcally and uniquely designed to handle sources with

higher sound pressure levels (SPLs) than you would normally use a

ribbon microphone for.

Developed from our original SIGMA and the DELTA that followed it, the

new DELTA 2 boasts a delicate ribbon element suspended between

two powerful magnets, a British-made circuitboard of our proprietary

design and a custom-wound transformer made here in SONTRONICS’

hometown of Poole.

DELTA 2 has a slightly lower sensitivity than SIGMA 2 and it is protected

by an extra layer of hi-tech fabric shielding behind the stainless steel

grille, allowing you to feel much more conﬁdent using the mic on more

powerful sources that you might usually expect to damage a delicate

ribbon mic. This means that DELTA 2 is much more ﬂexible and much

easier to use than a traditional passive ribbon microphone, giving you

that unmistakeable smooth classic ribbon tone on high-SPL sources

such as guitar ampliﬁers, saxophone, brass and drums.

DELTA 2’s sensitivity and low self-noise are simply incredible for a

ribbon mic, enabling it to capture every subtle detail of your source.

Furthermore, the DELTA 2 (like our SIGMA 2 and APOLLO 2)

employs two RFI (radio frequency interference) ﬁlters in its circuit,

making it absolutely ideal for use in live and touring environments.

Supplied with our unique SONTRONICS shockmount and a rugged ABS

ﬂightcase, DELTA 2 is a superb addition to any mic collection.

Once you hear the sound of your guitar and ampliﬁer or your instrument

through DELTA 2, you’ll soon realise that you can’t live without it!

DELTA 2 KEY FEATURES

• Phantom-powered ribbon mic

• Designed speciﬁcally for sources

with higher SPL

• Made in the UK

• Clear, natural sound

• Rich mid & low frequencies

• Detailed high frequencies

• Covered by Lifetime Warranty

• Ideal for guitar amps, bass cabinets,

saxophone, trumpet, trombone, drums,

cello, double bass, clarinet

TECHNICAL SPECIFICATIONS

Polar pattern: Figure-of-eight

Frequency response: 20Hz - 15kHz

Sensitivity: 6mV/Pa -45dB ±1.5dB

(0dB = 1V/Pa @ 1,000Hz)

Impedance: ≤200 Ohms

Equivalent noise level: 10dB (A-weighted)

Max SPL (for 0.5% THD @ 1kHz): 140dB

Power: Phantom power 48V required

Connector: 3-pin XLR

Dimensions: 164 x 72 x 35mm

Weight: 841g (1391g with shockmount)

Comes with: shockmount, ﬂightcase

DELTA 2 QUICK START GUIDE

• Attach the supplied shockmount on to a microphone stand.

• Sit DELTA 2 in the shockmount and secure ﬁrmly in place

by turning the threaded ring at the base of the mount (not by

turning the microphone).

• Position DELTA 2 at the ideal distance and angle from the

source being recorded (see opposite for Placement Advice).

• If using DELTA 2 with guitar amps, ensure that gain/volume levels

are set to ZERO or very low before you start.

• Connect the female end of an XLR cable to the three-pin socket

at the base of DELTA 2.

• Ensure that all input, output and EQ levels on your input device

(eg, mixer, interface, soundcard) are set to ZERO and phantom

power is switched OFF before connecting the male end of the XLR

cable to the ‘Mic In’ socket on your device.

• Connect your input device to your computer and make

sure it is communicating with your DAW program, ensuring

that all up-to-date drivers have been downloaded.

• Turn on phantom power and adjust the levels as required

(gradually increasing gain/volume on your amp to ﬁnd the

perfect tone) and you are now ready to go!

Plug the XLR cable into the Mic Input

socket on your device and then turn on

48V phantom power & adjust levels

Secure DELTA 2

in its shockmount

and then set

in position

Use an XLR - XLR

cable to connect the

DELTA 2 to your

input device

(ﬁrst ensuring that

levels are set to zero

and power is o)

Tighten the mic in

place by using this

threaded ring

INPUT DEVICE

(interface, soundcard, mixer)

HOW YOUR DELTA 2 WORKS

SONTRONICS ribbon microphones feature an

extremely thin strip of corrugated aluminium

suspended between two powerful magnets. When

sound pressure reaches the ribbon, its subsequent

movement within the magnetic ﬁeld induces an

electrical current. This signal passes through a

custom-wound transformer and is then further

ampliﬁed by the internal preamp circuit.

The polar pattern of a ribbon microphone is naturally

ﬁgure-of-eight; the ribbon only picks up signal from

the front and rear and nothing at all from the sides.

Our mono ribbon mics (DELTA 2 & SIGMA 2) give a

very intimate reproduction of sung vocals or

instruments, and are perfect for use in spaced stereo

recording applications where rejection of sound from

the o-axis positions is critical. A ﬁgure-of-eight mic

can also be used in combination with a cardioid mic

for mid-side stereo technique.

Ribbon mics have a very speciﬁc frequency

response, reproducing less high-frequency output

and capturing few ambient frequencies (‘less air’),

which leads to an authentic, natural-sounding result.

Traditional ribbon mics were renowned for having

extremely low sensitivity and required lots of gain to

boost the signal in the mix, sometimes resulting in

unwanted distortion and noise. However, SONTRONICS

ribbon mics include a 48V-powered preampliﬁed

circuit, resulting in much higher sensitivity and making

them more versatile and much easier to use than

traditional, unpowered predecessors.

SONTRONICS’new ribbon mics –SIGMA 2, DELTA 2

and APOLLO 2 – also uniquely feature RFI (radio

frequency interference) ﬁlters in their circuits, which

greatly reduce the possibility of the microphone

picking up radio signals, making them even more

suitable for using in a live or stage environment.

USING YOUR DELTA 2

• Front & back: DELTA 2’s pickup pattern is ﬁgure-of-eight and, as is usual for all ribbon mics, you will notice

slightly dierent tonal characteristics when recording from the front or from the rear. This is quite normal and

can actually be very useful.

• Frequency response: One of the primary characteristics of ribbon mics is that they don’t have an accentuated

high-frequency response and if you’re not used to it, this can sound unusual. However, once your ears have

grown accustomed to this, you will discover that it’s a very usable characteristic as room ambience and ‘air’

are minimised, and it can sound as if the source you’re recording is being played right next to you.

• Suggested use: DELTA 2 is designed speciﬁcally to handle high-output sources up to 140dB SPL so it is

perfect not only for recording guitar ampliﬁers and bass cabinets, but also for other instruments such as

saxophone, trumpet, trombone, percussion and drums. It also works beautifully on solo strings and woodwind,

and we would recommend a pair of DELTA 2 mics for overhead recording of drumkit or brass ensemble.

PLACEMENT ADVICE

NB: DELTA 2 is designed to be used in closer proximity to its source than other ribbon microphones

but REMEMBER that its ribbon element is still extremely delicate and can be stretched or destroyed if

exposed to sudden or powerful blasts of sound. NEVER blow directly into DELTA 2!

If using DELTA 2 on an electric guitar ampliﬁer, begin by placing the mic around 3 to 5cm (1 to 2”) from the grille

cloth, with the front of the mic directed at the outer edge of the speaker cone. In this position, it will capture the

brightest tone of your amp but you can then move it towards the inner edge of the cone where the tone gets

warmer. In the exact centre of the speaker cone, there is very little tone at all.

When close-miking like this, you can tilt the microphone about 20° to 30° towards the ﬂoor so it minimises the

blast pressure on the ribbon element (and don’t turn the amp up to full volume either!).

Once you have found the right tone, you may want to move the DELTA 2 further out from the amp, and as you

do so it will capture more ambience, adding a dierent, more spacious character to the sound. Although most

people prefer to close-mic their ampliﬁers, it’s worth experimenting with distances up to 1m (3 feet) away.

When recording brass, saxophone or clarinet, the DELTA 2 can be placed right at the bell of the instrument

without fear of the ribbon element being damaged. in this position it will capture all of the beautiful detail of the

instrument and give you a very clear, intimate reproduction.

For drums, use a single DELTA 2 positioned 1 to 2m (3-6 feet) in front of the kit, or a pair of DELTA 2s suspended

above, pointing down at the kit. Experiment with dierent angles and distances to get the best possible sound.

You should use a pop ﬁlter (such as our SONTRONICS ST-POP) when recording wind instruments or vocals to

protect the DELTA 2 from moisture and to reduce plosives.

IMPORTANT CARE & SAFETY INFORMATION

As with all sensitive electrical equipment, your DELTA 2 microphone

should be treated with care and respect at all times. Here are a few tips

to help extend the life of your mic and keep it working at its best…

• When you’re not using your microphone, always keep it in its protective ﬂightcase.

• Keep your microphone away from moisture, liquid, naked ﬂame, direct heat or

powerful light sources, and take care to avoid any knocks or bumps. Do not

place hot or cold drinks near your microphone, in case of spillage or heat transfer.

• Avoid transferring the microphone from cold to warm environments as this can lead to condensation forming

inside, which will adversely aect its performance. Should condensation occur, leave the microphone to reach

room temperature before using it again.

• When recording vocals, ALWAYS use a popshield to help prolong the life of the ribbon element.

• Do not turn on phantom power before the mic is plugged in as this can lead to damage to the sensitive

components inside the microphone. Similarly, when you’ve ﬁnished using your mic, turn o the phantom

power BEFORE disconnecting the mic.

• Use a soft cloth to clean your microphone after use (especially when recording vocals or wind instruments).

Do not use any solvents, thinners, chemical cleaners or aerosols as they could cause damage to the mic body.

• Due to its mechanical nature, the ribbon element will naturally stretch over time (and the ribbon motor itself is not

covered by our warranty). If you notice the sound of your microphone becoming distorted or duller than usual,

• If subjected to sudden impact or a sudden loud sound source, the ribbon may break or disintegrate completely,

resulting in no signal at all. Please contact us to arrange for a new ribbon to be ﬁtted.

• Under no circumstances should you attempt to open or service the microphone yourself. There are no

user-serviceable parts to the microphone and it will invalidate your warranty and may result in danger to you

and to the mic. Contact us or your local stockist or distributor for advice and help if you need it.

• If your mic exhibits any unusual behaviour, noise, smell or smoke, STOP USING IT IMMEDIATELY, disconnect

it from any other device and contact us or your local stockist/distributor for advice as soon as possible.

All our microphones are designed and developed

here in the UK by SONTRONICS’ founder and designer

Trevor Coley. We spend a long time creating and

crafting our microphones with extreme care and

attention, and all our new models are beta-tested with

top artists, musicians and producers (including the

engineers at Abbey Road Studios) before they

go into production.

Each circuitboard is constructed using the highest

quality components to ensure that your microphone

delivers you many years of worry-free use.

The capsules in our condenser microphones are

diligently hand-made using gold-sputtered Mylar

ﬁlm which is no more than 6 microns thick (seven

times thinner than a human hair) and then artiﬁcially

pre-aged to ensure stability and to also give each

microphone its speciﬁc characteristics

Our ribbon microphones employ a microscopically

thin strip of corrugated aluminium ribbon and the

most powerful rare-earth magnets to achieve class-

leading sensitivity and audio reproduction. They are

built with British-made circuitboards, CNC-engineered

metal parts and precision-moulded grilles made from

British stainless steel mesh. The APOLLO 2 stereo

ribbon mic uses a top-quality Mogami® cable with

premium Neutrik® connectors.

SONTRONICS valve microphones (ARIA & MERCURY)

also employ UK-made circuitboards and utilise

hand-selected, European-made (or vintage British-

made), dual-triode vacuum tubes chosen for their

consistency in delivering a balanced frequency

response without over-colouring the original signal.

Our ribbon, dynamic and valve microphones are

hand-built in our UK headquarters, where our

experienced engineers put all of our mics through

several levels of quality control tests using specialist

laboratory equipment to ensure they meet (and

surpass) a series of strict performance targets.

In-depth audio tests are also carried out to ensure

each mic is working perfectly.

You can be sure that your microphone has been

lovingly crafted, expertly put through its paces,

stringently tested and hand-packaged so that you

can simply plug it in and start making professional-

quality recordings straight out of the box. We hope

you enjoy your microphone!

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