DBX 586 User Guide
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586 Dual Vacuum |
Tube Preamp |
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-25 30- 0 |
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CHANNELTWO |
METERSOURCE |
INSERTDRIVE OUTPUT |
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DECIBELS |
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+20 |
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CLIP |
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+10 +15 |
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Off |
PeakPlus |
THRESHOLD |
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0 |
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dB |
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EQ |
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LIMIT |
+5 |
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+15 |
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+15 |
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dB |
HIGH |
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dB LEVEL |
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-15 |
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-15 |
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1k |
4k |
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NARROW |
100 |
FREQUENCY |
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CUT |
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200 |
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PHASE LOW |
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8k |
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+15 |
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PAD |
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0 |
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dB |
MID |
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-15 |
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+48V |
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+30 |
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+15 |
LOW |
(LINE0dB) |
+25 |
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+60 |
DRIVE |
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0 |
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dB |
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dB |
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INSERT |
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+15 |
LINE |
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TYPE IV |
CONVERSIONSYSTEM |
2 |
1 |
DITHERSHAPE |
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SNRRed: |
TPDFGreen:Green: Shape NoneOff:Off: None |
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ShapeRed: |
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25- 0 |
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ONECHANNEL |
SOURCEMETER |
OUTPUTINSERT |
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-10 |
DECIBELS |
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20- |
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20 - |
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-30 |
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DRIVE |
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+20 |
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CLIP |
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+10 +15 |
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Off |
PeakPlus |
THRESHOLD |
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dB |
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EQ |
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LIMIT |
+5 |
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+15 |
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+15 |
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HIGH |
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dB LEVEL |
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-15 |
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-15 |
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1k |
4k |
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NARROW |
100 |
FREQUENCY |
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CUT |
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200 |
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PHASE LOW |
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8k |
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dB |
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+15 |
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PAD |
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0 |
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dB |
MID |
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-15 |
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+48V |
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+30 |
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+15 |
LOW |
(LINE0dB) |
+25 |
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+60 |
DRIVE |
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0 |
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15 |
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10 |
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dB |
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dB |
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- |
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INSERT |
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+15 |
LINE |
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Mic preamps have long been a part of dbx’s reputation as the leader in signal processing technology. In keeping with that proven tradition, dbx proudly enters the vacuum tube domain with the 586 Dual Vacuum Tube Preamp. The 586 is loaded with all the standard features you’d expect to find in a mic preamp including custom designed analog VU meters that monitor tube level, insert path or output levels, +48V Phantom Power, 20dB pad, phase invert, and low cut filter. Line/Instrument and mic inputs make the 586 versatile enough to use with virtually any source device. Add to this comprehensive list of standard features extras like a three band EQ with sweepable mids and selectable mid Q (with EQ hardwire bypass), available insert loop, and the new PeakPlus™ limiting topology and you have the latest in a long line of dbx achievements.
All this would be enough, but our customers have come to expect more from us than just “enough”, and we deliver the goods with the 586. Hand selected and matched premium 12AU7 vacuum tubes ensure the ideal triode gain matching, distortion, microphonics and drive characteristics. What does all that mean? It means you get the best tube sound with the most versatility available today. Have you ever wanted to go directly from the wonderfully warm sound of tube processing to the digital domain without loosing that great sound? Well, now you can. With the optional dbx TYPE IV™ Conversion System output, you can capture the essence of tube processing directly into the digital world, without leaving the box. The digital output offers the ability to communicate in either AES/EBU or S/PDIF at up to 16 or 20bit word lengths. In addition, TYPE IV™ offers the ability to select Noise shape algorithms and dither types that best suit your music and your medium. Never before has so much flexibility been offered to digital users. The 586 has all the rear panel versatility and connectivity that make it easy to setup and patch into any system. No custom cables or adapters. Gold plated Neutrik® connectors for the audio ins and outs ensure solid connections and pristine sound every time. Separate 1/4" connectors for the insert sends and returns, as well as +4/-10 operating level switching make it a snap.
•Hand selected and matched Premium 12AU7 vacuum tubes in path
•Mic or line/instrument inputs on each channel. +4/-10 operation
•Drive control for a wide variety of great tube effects
•PeakPlus™ limiting control
•3-Band EQ with sweepable frequency, wide / narrow Q and hardwire bypass
•Optional TYPE IV™ Conversion System outputs
•Separate 1/4" insert sends and returns on each channel
•Custom designed analog VU meters monitor tube drive, insert, or output levels
8760 S. Sandy Pkwy.
Sandy, Utah 84070
Phone (801) 568-7660
Fax (801) 568-7662
Int’l Fax (219) 462-4596
customer@dbxpro.com
http://www.dbxpro.com
A Harman International Company
586
DUAL VACUUM TUBE PREAMP
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0 |
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1k |
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0 |
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CLIP |
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0 |
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1k |
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CLIP |
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200 |
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10 7 5 3 |
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3 |
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200 |
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4k |
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10 7 5 3 |
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20 |
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INSERT |
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NARROW |
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EQ |
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-20 -15 |
-10 |
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INSERT |
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NARROW |
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EQ |
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- |
-20 -15 -10 |
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-25 |
-5 |
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-25 |
-5 |
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DECIBELS |
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DECIBELS |
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-15 |
dB |
+15 |
-15 |
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+15 |
100 |
dB |
8k |
-15 |
dB |
+15 |
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-30 |
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0 |
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-15 |
dB |
+15 |
-15 |
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+15 |
100 |
dB |
8k |
-15 |
dB |
+15 |
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-30 |
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0 |
586 |
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LOW |
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MID |
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FREQUENCY |
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HIGH |
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LOW |
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MID |
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FREQUENCY |
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HIGH |
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TYPE IV |
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(LINE 0dB) |
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0 |
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CHANNEL ONE |
CONVERSION SYSTEM |
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(LINE 0dB) |
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0 |
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CHANNEL TWO |
Dual Vacuum |
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+25 |
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LIMIT |
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+25 |
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LIMIT |
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+10 |
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+15 |
Red: SNR2 |
Red: Shape 2 |
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+10 |
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+15 |
Tube Preamp |
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+15 |
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+30 |
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METER SOURCE |
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Green: TPDF |
Green: Shape 1 |
+15 |
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+30 |
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METER SOURCE |
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+5 |
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+20 |
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Off: None |
Off: None |
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+5 |
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+20 |
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LINE |
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+48V |
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PAD |
PHASE |
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LOW CUT |
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DRIVE |
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INSERT |
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OUTPUT |
DITHER |
SHAPE |
LINE |
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+48V |
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PAD |
PHASE |
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LOW CUT |
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DRIVE |
INSERT |
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OUTPUT |
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-10 |
dB |
+60 |
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-15 |
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+15 |
0 |
dB |
Off |
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-10 |
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+60 |
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-15 |
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+15 |
0 |
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Off |
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DRIVE |
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LEVEL |
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PeakPlus |
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DRIVE |
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LEVEL |
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PeakPlus |
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THRESHOLD |
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THRESHOLD |
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MICROPHONE INPUTS |
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ance, unweighted, 20 Hz to 20 kHz mea- |
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OUTPUT: |
Monitors the output signal level |
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Connectors: |
Female XLR Pin 2 hot |
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surement bandwidth |
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Type: |
Electronically balanced/unbalanced |
THD + Noise: |
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0.04% typical at +0 dBu out, 1kHz, 33 dB |
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DIGITAL OUTPUT OPTION SWITCHES |
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Impedance: |
1.70 k½ |
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gain |
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(Note: The digital output option switches are enabled only when the optional dbx TYPE IV is |
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Optimum Microphone Impedance: 150 - 200 ½ |
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3.5% typical at +21 dBu out, 1kHz, 35 dB |
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installed in the unit.) |
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Maximum Input Level: |
> +13 dBu, or +33 dBu with 20 dB pad |
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gain |
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DITHER: |
Selects between Dither algorithms |
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engaged |
Deviation From Linear Phase: |
< 20 degrees, 20 Hz to 20 kHz. |
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SHAPE: |
Selects between Noise Shape algorithms |
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CMRR: |
> 115 dB at 60 Hz, > 110 dB at 1 kHz, > |
Interchannel Crosstalk: |
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Typically -98 dB, 20 Hz to 20 kHz. |
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REAR PANEL SWITCHES |
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75dB at 10 kHz |
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EQUALIZER |
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INST: |
Switches the gain and impedance of the |
LINE INPUTS |
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LOW Frequency: |
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80 Hz, shelving filter |
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Line Inputs to allow for connection of unbal- |
Connectors: |
Female XLR Pin 2 hot and TRS 1/4” |
HIGH Frequency: |
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12 kHz, shelving filter |
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anced devices with passive instrument pick- |
Type: |
Electronically balanced/unbalanced |
MID Frequency: |
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Sweepable from 100 Hz to 8 kHz, band- |
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ups |
Impedance: |
20.1 k½ nominal, or 470 k½ with rear-panel |
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width 1.5 octaves (WIDE) or 0.5 octaves |
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+4 dBu/-10 dBV: |
Switches the nominal output level between |
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INST switch engaged |
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(NARROW) |
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INDICATORS |
+4 dBu and -10 dBV |
Maximum Input Level: |
> +30 dBu, or +22 dBu with rear-panel |
Gain (all bands): |
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Sweepable from -15 to +15 dB. |
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INST switch engaged |
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CLIP |
Red LED to indicate when the internal sig- |
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PeakPlus LIMITER |
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nal level is within 3 dB of actual waveform |
OUTPUTS |
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Type: |
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Two-stage proprietary |
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clipping; sense points are at all critical |
Connectors: |
Male XLR Pin 2 hot and TRS 1/4” |
Threshold Range: |
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0 dBu to + 22 dBu (off) |
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stages of the circuit |
Type: |
Servo-balanced/unbalanced, RF filtered |
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LIMIT: |
Red LED to indicated when the PeakPlus |
Impedance: |
Balanced 120½, unbalanced 60½ |
FUNCTION SWITCHES |
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OPTIONS |
limiter is active |
Maximum Output Level: |
+21.5 dBu, balanced or unbalanced |
INSERT: |
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Inserts a device connected to the rear- |
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panel Return jack into the signal path. |
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Digital output module: |
Contact dbx for further details. |
INSERT |
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NARROW: |
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Selects narrow (0.5 octave) bandwidth for |
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POWER SUPPLY |
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Connectors: |
TRS 1/4” |
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the MID frequency control |
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Type: |
Impedance balanced/unbalanced (SEND), |
EQ: |
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Enables the equalizer section |
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Operating Voltage: |
100V, 120V, or 220-240VAC 50/60 Hz. |
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electronically balanced/unbalanced |
LINE: |
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Selects the Line inputs |
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Power Consumption: |
30 Watts maximum. |
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(RETURN) |
+48V: |
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Enables the 48V phantom power for the |
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Fuse: |
100V: 315mA 250V Slow Blow 5mm X |
Impedance: |
100½ bal./50½ unbal. (SEND), 20k½ |
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Microphone input |
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20mm |
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(RETURN) |
PAD: |
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Attenuates the input signal by 20 dB. |
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120V: 315mA 250V Slow Blow 5mm X |
Nominal Send Level: |
+4 dBu |
PHASE: |
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Reverses pins 2 and 3 of the input XLR |
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20mm |
Nominal Return Level: |
+4 dBu |
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connector. |
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220-240V: T160 mA 250V 5mm X 20mm |
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LO CUT: |
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Enables the 75 Hz, 12 dB/octave low cut fil- |
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Mains Connection: |
IEC 320 Receptacle |
SYSTEM PERFORMANCE |
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ter |
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PHYSICAL |
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DRIVE Control Range: |
+10 dB to +60 dB |
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LEVEL Control Range: |
-15 dB to +15 dB |
METER SOURCE SWITCHES |
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Dimensions: |
3.5” H X 19” W X 8” D |
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0.5 dB Bandwidth: |
15 Hz to > 90 kHz +0/-0.5 dB |
DRIVE: |
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Monitors the signal level at the input to the |
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Weight: |
12 lbs (5.5 kg) |
Frequency Response: |
<10 Hz to >200 kHz +0/-3.0 dB |
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vacuum tube |
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Shipping Weight: |
13 lbs (5.9 kg) |
EIN: |
Typically -126 dBu, 150½ source imped- |
INSERT: |
Monitors the signal level at the Insert Return jack |
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Note: 0 dBu = 0.775V RMS. |
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dbx engineers are constantly working to improve the quality of our products. Specifications are, therefore subject to change without notice.
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FOR MORE INFORMATION CONTACT: dbx Professional Products 8760 S. Sandy Pkwy. Sandy, Utah 84070 Phone (801) 568-7660 Fax (801) 568-7662 Int’l Fax (219) 462-4596 customer@dbxpro.com http://www.dbxpro.com
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