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DocDerr
80
70 100
5
IN
6
4
7
3
8
2
9
1
LF
0
1
0
1
Multi-purpose Tone Doctor...
and an Acoustic Musician's Solution in the digital age
Page
1
Features & Specs
2
What Is the DocDerr?
2
Using for the First Time
3
The Jumpers on the PC Board.
4-6 Example Settings of the DocDerr
7-8 Recall Sheet
9
Example Settings (Continued)
10
Block Diagram & Section Details
11
The Compressor
12
Wiring the DocDerr
13
DocDerr Pet Tricks & Troubleshooting
13
Stereo Operation
14
Customer Comments
15
Warranty (Rear Cover)
Empirical Labs -
160
300 500
250 750 2
0
-2
2
-5
5
7 -
7
1 -
0
10
MF
-
14
14
dB
+
3
6
INDEX
Item
4
3.5 6.5 10 15
K
K
K
0
-2
2
-5
5
7
7 -
7
1 -
0
1 -
10
HF
-
14
14
dB
+
9
12
Technology for the Artist
Technology for the Artist
K
K
D o c
Mix
KHz
0
-2
2
4
-5
5
3
7 -
7
0
10
1
-
14
14
0
dB
+
(Blend)
20
16
BAD!
D
e
5
6
7
8
9
10
26
.
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Table of Contents
Related Manuals for Empirical Labs DocDerr
Summary of Contents for Empirical Labs DocDerr
- Page 1 Item Features & Specs What Is the DocDerr? Using for the First Time The Jumpers on the PC Board. 4-6 Example Settings of the DocDerr 7-8 Recall Sheet Example Settings (Continued) Block Diagram & Section Details The Compressor Wiring the DocDerr DocDerr Pet Tricks &...
- Page 2 � path - top quality components, most being high temperature military spec parts. NOTE: With all the processing, the DocDerr draws slightly more current than the API � 500 spec, but has worked perfectly in all racks tested. Six have been tested in the API Lunchbox and other racks, without overloading the power supply.
- Page 3 Operating Levels – First, before even installing the DocDerr in a rack, make sure the DocDerr has the input gain jumper set properly for your use. There are two primary ways to hook up the DocDerr: 1) As an instrument preamp with front-end gain, 2) As a line level device/processor. The INPUT GAIN Jumper allows you to select one of these modes and is located towards the middle rear of the board.
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Page 4: Input Gain
BACK TO TABLE OF CONTENTS and turns the input into a balanced amplifier, allowing the DocDerr to handle very hot signals without clipping, and the module becomes a great mix or line level tracking processor. 3 Pin Jumper Settings PreOut... -
Page 5: Example Settings
As already improve the basic tone. The DocDerr’s built in EQ will enable the user to work on frequencies in a mentioned, the user can sometimes put lots of compression on a signal, and mix it back under the way not possible with the built in instruments tone controls. - Page 6 (DAW). Compressing while tracking will increase bleed and possibly preamp, setting the DocDerr for Line In. Again if this is a solo guitar, you can leave much of the low make it tricky to gate or trigger samples later on. Room or ambient mics are a possible exception.
- Page 7 Bass – Bass is a difficult instrument to get “right in the mix”. The DocDerr has many ways to help round out and make it cut through in a mix. First, if a low bass tone is too pure and sine-wave-like, it will "fall off"...
- Page 8 The compressor can be extremely useful for adding excitement to mixes or busses. Because the compressor is so fast, you will either use the DocDerr compressor as a peak limiter (1-3dB), or use the mix control to add in a little compressed signal to the dry signal, bringing up details and sustain, helping fit the mix together and sound more finished.
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Page 9: Block Diagram
The EQ Sections There are 4 sections of EQ in the DocDerr. One selectable High pass filter, and 3 sections of parametric EQ. - Page 10 LEDs. This allows us to indicate 7 frequencies with 4 LEDs. This PEQ’s (Parametric EQ) performance is very high and based on Empirical Labs Lil FrEQ circuitry. The plot above shows the actual curve shapes of the three parametric EQ sections at full boost &...
- Page 11 Mix control to aid in recalling settings, especially between 8 - 10. Wiring the DocDerr There are two main ways to setup and wire the input of a rack with the DocDerr module installed. 1) “Instrument In” with a single ended input (usually a mono standard guitar cable) and 16dB of gain, 2) “Line In”...
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Page 12: Troubleshooting
(Line Level) or you will most likely clip the input stage of the DocDerr. If an EQ section is at full boost or cut, you could be clipping that section, and must lower the input into the unit. Many potential “clip” points are monitored in the unit. - Page 13 FATSO gives me.” Ed Cherney (Lenny Kravitz, Dave Mathews, Eric Clapton, The Wallflowers, Goo Goo Dolls, Jackson Brown, Bonnie Raitt, Stones, etc.) Best new Signal Processor-EQ AES Awards - "Empirical Labs Fatso took this category, despite the introduction of a variety of cool new processors. Who can resist the best aspects of analog tape combined with great compression"...
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Page 14: Warranty And Factory Service
DocDerr Warranty and Factory Service This Empirical Labs Inc. product is covered by a limited warranty covering full parts and labor for 1 year from date of purchase. Please fill out the Online Warranty Registration Form which can be found on our website at: https://www.empiricallabs.com/warranty-registration...
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