Dillinger Labs SKAA Death From Below Manuale utente

we developed SKAA’s thousand pound gorilla sub in Canada

then we squeezed it into 34 lbs in a plasma furnace

SKAA®

Pro Subwoofer

Death From Below

Owner’s Manual

Thank you for choosing Death From Below (“DFB”)

by Dillinger Labs, the world’s ﬁrst SKAA / SKAA Pro

subwoofer for mobile PA.

• Works with all SKAA Transmitters, all SKAA Pro

Transmitters, and all SKAA Nadja Hubs

including!Soundboks 3, 4 and Go

• Pro-grade SKAA wireless audio. 100% Bluetooth-

free. 100% WiFi free.

• Use up to 4 SKAA receivers (any combination of

Death from Below and any other SKAA receivers)

at the same time with any one SKAA transmitter

• Remembers up to 10 of your favourite sources

• Low latency — great for live performance

• 5 epic EQ settings to choose from, including

EQs speciﬁcally tuned to accompany popular

Soundboks models

• Ultra-fast energy storage: a built-in bank of 8

ﬁlm capacitors boost DFB’s ampliﬁer

performance with instant energy as needed —

enhanced impulse response means bass punch

• User can set DFB to output LEFT, RIGHT or

MONO mix audio — this means you can set up

stereo subs if desired

• Dual tuned ports extend DFB’s bass to 35 Hz and

maximize SPL output

• Steel grills are heavy and block 30-40% of the

surface area they cover with steel material —

rather than subscribing to this industry-accepted

insanity, DFB’s light-weight vanes enable 99%

unencumbered airﬂow to and from the drivers

and ports

• DFB is built from high-grade birch plywood like

many other quality PA speakers — however very

few of those other speakers have interlaced-

ﬁnger box corners like DFB — Tough? It’s a beast

Introduction

For the curious and intrepid few who

always wondered what this meant but

were too afraid to ask …

The SKAA® standard for wireless audio

guarantees compatibility between all

products bearing the SKAA Compatible

Badge. SKAA transmitters work with iOS &

Android mobile devices, Mac & Windows

computers, televisions and any product

having a line output, S/PDIF output or a

headphone jack.

SKAA semiconductor components enable

SKAA to be embedded in consumer audio

and pro audio products. Not based on

Bluetooth or WiFI, SKAA is a global standard

built from the ground up speciﬁcally for

audio. Learn more at www.SKAA.com

• DFB is not just for Soundboks. Use DFB with

virtually any full-range PA speaker — note that

even non-SKAA powered speakers (QSC, JBL,

EV, Mackie, etc.) can be made into

SKAA!wireless speakers just by adding a pro

receiver such as!Streetheart!by Dillinger Labs!

• Natively supports!Dani!professional SKAA/

SKAA Pro transmitters as well as all other

SKAA wireless audio transmitters and sources!

• With its massive welded-steel 4” deep pole

bushing, ultra wide stance and anti-wobble

neoprene feet, DFB is mega-stable pole base

for your Soundboks or other pro-grade full-

range top speaker

We like to make our products easy to use and DFB is no exception !

Still, to fully unleash the considerable capabilities of this clawing, snarling beast, we vehemently advise

you to read the Owner’s Manual. Its pages are brimming with juicy morsels of invaluable insights,

irreverent commentary, and other assorted nuggets of paradigm-altering revelation. We really put our

foot in this one and we hope you love your DFB Subwoofer as much as we do!

Details … sweated

Each 8” driver has its own

dedicated 72W amplifier

Ridiculously

easy 1-knob

interface

Negative-weight

handles — freakin’

AWESOME

Massive neoprene feet

eliminate wobbling

• Power DFB ON / OFF by holding the power button

down for a few seconds

• A bright Green Power LED means DFB is on

• A dim Green Power LED means DFB is sleeping

• A bright Red Power LED means DFB is on and Bonded

to a SKAA Pro Transmitter

• DFB has a local volume control knob which doubles as

the Bond button

• Turn the volume knob clockwise to increase the volume

and counter clockwise to decrease it — 30 steps (clicks

on the knob) will take you from zero volume to full up

• Watch the Bond Indicator as you turn DFB’s volume

knob — it will ﬂash once for every one of the 30 steps -

when it stops ﬂashing, you’ve arrived at one extreme or

the other

• Remember, the output level of DFB depends on both

its Local Volume (DFB’s volume knob) and the Global

Volume set by the SKAA Transmitter (for example,

Dani’s volume knob)

• Global and Local volume example: say Dani is set to

50% and DFB is set to 80% then the net output level

will be 0.5 x 0.8 = 0.4 = 40%.

• Bond Button: Triple click (click 3 times, fast) to mute

DFB’s output. Triple click again to unmute.

• Bond Button: Double click to search for a new

transmitter. Once a new transmitter has connected, the

Bond Indicator will glow bright Amber

• Bond Button: Press and hold the Bond button for 3

seconds to add the transmitter to your Green List so

you don’t have to search for it next time you power on

DFB

• Bond Button: refer to the SKAA Receiver User’s Guide

later in this document for more details on how to use

the Bond Button / Bond Indicator

• Death From Below will play nice with all the kids in the

schoolyard. Other SKAA-based receivers like

Soundboks 3, 4, and Go as well as non-SKAA powered

speakers can beneﬁt from the addition of DFB

• Just add a Dillinger Labs Streetheart Receiver to any

powered speaker to make it SKAA and SKAA Pro

compatible

• DFB natively supports!the Dani!professional SKAA/

SKAA Pro transmitter as well as all other SKAA wireless

audio transmitters and sources

• Check out our 68 “sweet hookups” — a collection of use

case diagrams at the end of this manual — they’re just

the tip of the iceberg but we bet at least a few of them

will inspire you to try some crazy-ass stuff with your DFB

UI Panel: Get Started

Volume Knob: Rotate clockwise/

counterclockwise to adjust DFB’s

volume; this knob can also be clicked —

it is the SKAA Bond Button, too

Hold the power / gear

button for a few

seconds to turn DFB

on / off

Bond Indicator: shows your Bond

status with SKAA Transmitters

The Power LED is

bright green (or red)

when DFB is on and

dim green when DFB

is sleeping

• Death From Below runs for up to 40 hours from a full

charge using its internal battery

• Many battery subs from well-known brands waste up to

20% of their battery capacity in a voltage boost

conversion process — we think that’s nuts, so we don’t

do it that way. We’ve chosen DFB’s audio ampliﬁers

carefully so that wasteful boost conversion isn’t needed

— now you know the secret behind DFB’s fantastic

battery life

• Use only the included power brick to charge DFB

• The battery will charge to full in about 2 hours (from

fully depleted)

• Go ahead and use DFB (even at full volume) while you

charge it

• The Battery Fuel Gauge (LED stack) gives you a visual

indication of the amount of energy remaining in the

battery — when activated, it stays on for a few seconds

and then automatically shuts off

• To activate the Battery Fuel Gauge while DFB is

powered on, click the power button once

• If DFB is powered off, power it on and the Battery Fuel

Gauge will turn on after a few seconds — that is, you

always get to see the Battery Fuel Gauge indication

whenever you power on DFB

• When there is about 45 minutes of operating time

remaining, the bottom LED in the Fuel Gauge stack will

start to ﬂash (that’s the LED right above the battery icon)

— no click on the power button is needed to get this

“low battery” (ﬂashing) alert

• DFB automatically powers off when the battery is fully

depleted

• When DFB’s battery is charging, the top LED in the

stack (the one right beside the power jack) will glow —

even if DFB is off

• Once charging has ﬁnished, the top LED in the stack

will turn off, letting you know that DFB’s battery is fully

charged

• If DFB remains not Bonded to a SKAA transmitter for an

extended period of time, it will enter a power saving

sleep mode (DFB’s power LED will be dim Green during

sleep)

• If the power brick is plugged in, DFB will stay in sleep

perpetually until Bond is restored, but if the power brick

is NOT supplying external power, DFB will eventually

power itself off

• Keep in mind that DFB’s cascade into sleep and

possibly auto off is triggered solely by a lack of Bond —

the presence or absence of audio is completely

immaterial to this process

UI Panel: Battery & Charging

While DFB is

powered on, click the

Power Button once to

display the battery life

remaining

Power Jack - Use the

included 125W power

brick to charge DFB

You can continue to use

Death From Below while

charging, even at full

volume!

• Power / Gear button: Click twice to enter the EQ

select mode

• Then use the Volume Knob to navigate through

DFB’s ﬁve EQ presets using the orange LED

Stack

LED 5 - Big Wide Bottom 35 - 120 Hz

LED 4 - Tight & Punchy 50 - 90 Hz

LED 3 - Max battery life 70 - 180 Hz

LED 2 - Matched for Soundboks Go

LED 1 - Matched for Soundboks 3/4

• Power / Gear button: Click four times to enter

Audio Routing select mode

• Then use the Volume Knob to navigate through

DFB’s three Audio Routing options using the

orange LED Stack

LED 5 - unused

LED 4 - Left

LED 3 - Right

LED 2 - Mono

LED 1 - Stereo (disabled on DFB)

• When you receive your DFB it will be set to

Mono and EQ preset #1 (these are the Factory

default settings)

UI Panel: Going Deep

After you enter either EQ select mode or

Audio Routing mode, turn the knob

clockwise/counterclockwise to navigate

through the available options

Double click the

power / gear button

to enter EQ select

mode

Bond Indicator: shows your Bond

status with SKAA Transmitters

Use the LED stack to

navigate through the

EQ and Audio

Routing Options

4 click the power /

gear button to enter

Audio Routing select

mode

• Two monkey grip handles enable serious

manhandling — while literally reducing DFB’s

weight at the same time

• Weather resistant — use wherever your gig is

happening — just try not to throw it in the lake

• Dual tuned ports deliver extended bass and

maximize SPL output

• DFB’s ampliﬁers have been enhanced for superior

impulse response with a built-in bank of 8 ﬁlm

capacitors

• These ultra-fast capacitors boost DFB’s ampliﬁer

performance by giving the amps instant access to

energy when needed for punchy bass hits

The Cabinet

• DFB is built with premium-quality birch plywood

with interlaced-ﬁnger BOX CORNERS so you can

always count on DFB’s structural integrity

• 5 / 6 of DFB’s walls are virtually featureless — So 5

out of 6 walls are virtually impervious to impact

damage

• Gorgeous and robust speckle-paint matte black

ﬁnish — yes, the classy one — beautiful, tough and

LIGHT WEIGHT

Large rubber feet on

DFB’s back wall for

safe storage and

transport

1 3/8” (35mm)

speaker pole bushing

Large cutout

handles for easy

transport and

lighter weight

1” neoprene self

levelling feet

4 Vertical vanes protect

DFB’s drivers and

increase airﬂow

Dual tuned ports

2 x 8” Low

Frequency Drivers

16. SKAA cmd App

SKAA cmd (“command”) is the app that you don’t really need.

Though, once you hear about what it can do, you’ll certainly

WANT it…

SKAA cmd provides a long list of additional features to your

SKAA setup. For use with Ursula, Cassandra, Diz and Gemma

transmitters - you can add custom names to Receivers, easily

mute all Receivers, adjust individual volumes, see which

Receivers are bonded to your Transmitter and so much more!

The SKAA cmd App is available for iOS, Android, Mac, and

Windows platforms. It can be downloaded from the Apple

App Store, Google Play Store, and at www.skaa.com/tlc/

skaa-cmd/

Check out www.skaa.com/tlc/support/ for the dedicated

SKAA cmd App user’s guide.

2. Local volume control. Move this slider to modify

the volume of each Receiver

4. Global volume control. This slider changes

the volume on all Receivers simultaneously.

6. Transmitter Power Mode Customization

RED: Always ON

GREY: Always OFF

WHITE: ON only when there is audio

7. Customize the name of your Transmitter.

8. Audio Routing: The Green Bond Block lets you

choose whether a Receiver is playing left, right, or

both channels. From the factory, your Aquarius

speakers are conﬁgured with the left and right

speakers playing their respective channels.

—— PLEASE NOTE ——

If you only use one speaker to play audio, you

may want to set it to a Mono output.

9. Press to mute an individual Receiver.

Press again to unmute.

10. Give your subwoofer a snappy nickname like

“Big Box Make Big Boom”

…or something better. Or worse. You do you…

5. Once pressed, this triangle will summon a

fearsome to all volumes to zero.

Fear not, it's just a global mute button.

Press each Receiver’s speaker icon to unmute.

ZAP

LAZER

1. Your transmitter has 4 bays and you can park a

receiver or Cluster (see no.17) in each bay

3. Click “I” to see the App Info Screen. Here you

can view the app version and Transmitter version

Parameter

Conditions

Value

Cabinet Construction

12mm baltic birch with interlaced-ﬁnger box

corners with heavy duty speckle spray coating

Battery Capacity

115 Wh, 12-cell Li-ION built-in battery pack

Run Time

Normal Listening

40 Hours

Run Time

Full Volume

5 Hours

Charge Time

From Empty

2 Hours

Ampliﬁer Power

142 WRMS (2 x 72W Merus Ampliﬁer ICs)

Ampliﬁer Type

Multi-rail class D

Woofer Spec

8’’ diameter

Woofer Impedance

4Ω

Punch Enhancement

100V x 120 uF Film Capacitors

Port

Dual Tuned Bass Reﬂex

Frequency Response

Reference: 997 Hz at 1W, AES17 LPF

35Hz - 180Hz +/- 3 dB

Acoustical Max Level

122 dB

Digital Resolution

48 kSamples/s, 16 bit

Antenna Type

FE Model B0

RF Power

18 dBm

Wireless Range

Actual range will depend also on the antenna

implementation in the transmit-side device

Up to 50-meter reliable indoor range

Standard Compatibility

SKAA OS 2.1 and later

Any SKAA or SKAA Pro Transmitter, any Nadja Hub

SKAA Transport Latency

I2S Digital to I2S Digital

36.72ms +/- 1.5 samples

SKAA Max Qty Receivers

Concurrently Bonded

SKAA Pro Transport latency

I2S Digital to I2S Digital

19.39ms +/- 1.5 samples

SKAA Pro Max Qty Receivers

Concurrently Bonded

Dimensions With Feet (H×W×D)"

27.4!×!61.7!×!!49.5!cm!

10.8!×!24.3!× 19.5!inches

Dimensions W/O Feet (H×W×D)"

25 ×61.7 ×47.5!cm!!

9.8 ×24.3 ×18.7!inches

Weight - Metric

14 kg

Weight - Imperial

31 lbs

Power Supply Rating

26V 125W

Specifications

19. Important Information

Please read the following information carefully. Failure to follow the safety guidelines may result in

personal injury or user dissatisfaction.

1. Do not poke the woofers. They don’t like it.

2. Never place anything into the tuned ports

3. Only use the provided power adapter for charging.

4. Never store or operate speaker near a heat source.

5. Do not charge speakers during electrical storms.

6. Once fully charged, remove speakers from external power. This will lengthen their battery life.

7. Listening to speakers at maximum volume nearby may lead to partial hearing loss. We do not

recommend listening to volumes beyond 90% within 3 meters of the speaker to preserve your

hearing.

8. Not for use by those under the age of 12.

9. Any disassembly of the subwoofer will void your warranty.

10. Death From Below is not your brother, mother or your friend. You will love it but it may not

love you back.

Dillinger Labs advises the reader that this owner’s manual is being continuously updated to reﬂect

the most up-to-date and accurate information regarding your Death From Below subwoofer. Please

check our website periodically for the most recent version of this manual.

Should you have any comments or questions about SKAA or Dillinger Labs products, we invite you

to write to us here.

Check out our YouTube channel to familiarize yourself with an array of fantastic SKAA products.

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