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Model:
Big Knob
Desktop Level Control / Monitor Switcher / Talkback Box
You asked for it. Your band asked for it. Your
clients asked for it. Your mom practically asked for it.
Since the dawn of computer-based music making, folks have longed for a simple
monitor switching and level control box with built-in Talkback functions. You
know, something that sits right on your desktop, letting you easily switch
between sets of studio monitors and different stereo sources. And send musicians
custom headphone mixes while you communicate with them via a built-in Talkback
microphone. Your wish is our command...
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Introducing
The Big Knob
The Big Knob is a simple yet powerful desktop audio
control center that lets musicians and engineers get
right to the business of making music in four major
ways: Level Control, Studio Monitor Selection, Input
Source Selection and Talkback & Headphone Control.
Precise
Level Control
Using a big, convenient volume knob, Big Knob lets you
adjust volume levels the way our ancient audio ancestors
(Analogus Engineerus) did - with a simple, intuitive
knob, not with a mouse and screen. The end result is a
higher degree of precision and much quicker level
adjustments.
Monitor
Selection
When it comes to mixing, pros know it’s best to get a
second, and third, opinion. So Big Knob lets you quickly
switch between 3 pairs of studio monitors, or 2 studio
monitors and a subwoofer, or studio monitors and a home
stereo, or any other combination of powered speakers.
Source
Selection
On the input side, Big Knob lets you connect up to 4
stereo input sources at once. This means you can
simultaneously connect to your computer/DAW outputs, CD
player, cassette deck and even a turntable using the
premium onboard RIAA preamp. You can even connect
keyboards, guitars, drum machines, samplers - anything
you’d like to hear - through your monitors. This makes
Big Knob great for comparing your mixes-in-progress to
your favorite CDs, for archiving your old LPs, jamming
along to your favorite tune, and lots more.
Talkback Section & Headphone Control
With its built-in Talkback mic and spring-loaded
activation switches, Big Knob lets you quickly
communicate with musicians in both the studio and
tracking room - no more hand signals through the glass!
Big Knob also sports two high-powered headphone outputs
with a discrete headphone mix bus, solving the
communications needs of most computer-based studios.
All the
Right Connections
Although its shiny silver knob is a head-turning
feature, Big Knob's rear panel is equally impressive.
There you’ll find three distinct Monitor outputs with
individual level control; 2-Track A and 2-Track B stereo
outputs with level selection switches; a DAW stereo
output for your computer; a Studio output with level
control; a Phones Mix input with level selection switch;
2-Track A and 2-Track B Stereo Source inputs with level
control; a DAW Mix input from your computer with level
control; and even a Phono input with level control for
direct connection to your turntable.
Sound
Quality
Because Big Knob plays a crucial link between recording
output(s) and studio monitors, we placed the utmost
importance on pristine, no-compromise sound quality. For
this reason, Big Knob features ultra low-noise op amps,
extremely low-tolerance components and state-of-the-art
surface mount technology. All of this ensures superb
sound in critical listening environments and long-term
reliability - even under daily, and nightly, studio use.
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Tabletop
level control / monitor switcher / source selector &
talkback box
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Big,
convenient volume knob for precise level adjustments
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Switch
amongst 3 sets of studio monitors
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Built-in
Talkback microphone for easy communication with
musicians
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Monitor
4 independent Stereo inputs including one for your
turntable
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Dual
Headphone outputs with independent volume controls
and headphone mix bus
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Phono
preamp for direct turntable connection
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High-end
studio sound quality and robust construction
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Perfect
for computer-based studios
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Humorous
product name ensures years of off-color studio humor
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General Specifications |
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Frequency Response: |
Line-level Inputs and output:
+0, -1 dB, 10 Hz to 50 kHz / +0, -3, 5 Hz to 100 kHz
RIAA Equalization Deviation (Phono Input):
±0.5 dB from 20 Hz to 20 kHz |
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Distortion: |
Line-Level Inputs to Line-Level Outputs ( unity gain):
>0.015%, 20 Hz to 20 kHz @ +4 dBu
RIAA Input, Nominal Gain: >0.015%,
20 Hz to 20 kHz @ +4 dBu |
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Noise Floor: |
(20 kHz Bandwidth, +4 dB Level setting, 150Ω source)
Unity Gain, with DAW, 2-Track A, and 2-Track B Assigned:
-86 dBu Maximum (all outputs)
Monitor A, B & C Outputs, Studio Output, DAW, 2-Track A & 2-Track
B Outputs: -90 dBu Typical
Phono Input ( nominal 41.8 dB gain @ 1 kHz, inputs shorted):
-71 dBu max (all outputs)
Equivalent Input Noise (E.I.N):
0.89µV / -119 dBu Maximum |
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Dynamic Range: |
Line Inputs: 112 dB
Minimum
Phono Input: 93 dB minimum |
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Common Mode Rejection Ratio: |
(20 Hz to 20 kHz @ +4 dBu level Setting)
34 dB minimum
40 dB typical |
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Crosstalk: |
Adjacent Input: 90 dB @ 1
kHz
Left to Right/Right to Left: 70 dB
@ 1 kHz
Muted/ Level Off: 90 dB @ 1kHz |
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Trim Control Range: |
Input Trim Control ( Center Detented):
± 10 dB
Output Trim Controls: -14 dB to 0
dB
Dim Switch: 0 dB/-20 dB |
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Rated Input Voltage: |
Line Inputs (+4 dB Level Setting):
+4 dBu/+28 dBu (nominal/maximum)
Line Inputs (-10 dB Level Setting):
-10 dBu/ +14 dBu (nominal/maximum)
RIAA Input (@1 kHz, nominal gain):
5 mV/79 mV (nominal/ maximum) |
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Rated Output Voltage: |
All Line-Level Outputs (+4 dB Level Setting):
+4 dB/+22 dBu (nominal/maximum)
All Line-Level Outputs (-10 dB Level Setting):
-10 dBu/+8 dBu (nominal/ maximum) |
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Maximum Voltage Gain: |
DAW, 2-Track A, and 2-Track B Input to:
Monitor A, B and C Outputs: 34 dB
DAW, 2-Track A, 2-Track B, and Phones Amp Outputs:
24 dB
Studio Output: 34 dB
Phones 1 and 2 Outputs: 34 dB (
output loaded @ 100Ω)
DAW Phone Mix Input to:
Phones Amp Outputs: 14 dB
Studio Output: 24 dB
Phones 1 and 2 Outputs: 24 dB
(output loaded @ 100kΩ)
Phono Input @ 1 kHz to:
Monitor A, B, and C Outputs: 67.8
dB
DAW, 2-Track A, 2-Track B, and Phones Amp Outputs:
57.8 dB
Studio Output: 67.8 dB
Phones 1 and 2 Outputs: 67.8 dB
(output loaded @ 100 kΩ) |
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Line Impedance: |
Line Input: 24 kΩ
balanced/ 12 kΩ unbalanced
Phono Input: 47 kΩ || 220 pF |
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Output Impedance: |
Line Output: 300 Ω
balanced / 150 Ω unbalanced
Headphone Output: 150 Ω |
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Input VU Meters: |
6 Segment (OL, +8 dB, 0 dB, -4 dB, -8 dB, -24 dB) |
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AC Power Requirements: |
US: 120 VAC, 60 Hz
Europe: 240 VAC, 50 Hz
Korea: 220 VAC, 60 Hz
Japan: 100 VAC, 50/60 Hz
Power Consumption: 25 watts |
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Physical Properties: |
Height: 3.2 in/ 81mm (3.5
in in / 89 mm with Knob)
Width: 13.5 in / 343 mm
Depth: 5.9 in / 150 mm
Weight: 3.5 lb / 1.6 kg |

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