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Summary of Contents for Manley MASSIVE PASSIVE STEREO TUBE EQ
- Page 1 MANLEY MASSIVE PASSIVE STEREO TUBE EQ OWNER’S MANUAL...
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Page 2: Table Of Contents
CONTENTS SECTION PAGE INTRODUCTION BACK PANEL & CONNECTING FRONT PANEL CREDITS NOTES ON THE MASTERING VERSION THE MASSIVE PASSIVE BEGINNINGS, THE SUPER PULTEC THE PASSIVE PARAMETRIC WHY PASSIVE, WHY PARALLEL PHASE SHIFT, WHY TUBES CURVES 14-17 TUBE LOCATIONS, ETC 18, 19 EQUALIZING EQUALIZERS (GENERAL) EQUALIZER TECHNIQUES... -
Page 3: Introduction
EQ, the parallel topology, the tube/transformer amplifiers, the unique shelves and, of course, Manley’s construction style and use of premium components. Like the Manley Variable MU, we have found the Massive Passive can easily make anything sound better. Perhaps the combination of the “Vari-MU”... -
Page 4: Back Panel & Connecting
THE BACK PANEL CHANNEL 2 CHANNEL 1 First connect all the cables, then turn on the power, wait 30 seconds, then have fun, as if we had to tell you..1) POWER CONNECTOR. First verify the POWER SWITCH on the front panel is off (CCW). Use the power cable supplied with your Massive Passive. -
Page 5: Front Panel
THE FRONT PANEL THE FRONT PANEL 22 ± 1K 82 ± 3K9 220 ± 10K 560 ± 27K 22 - 1K 82 ± 3K9 220 ± 10K 560 ± 27K BOOST SHELF BOOST SHELF BOOST SHELF BOOST SHELF BOOST SHELF BOOST SHELF BOOST... - Page 6 THE 4 BANDS HIGH SHELF BOOST 22 - 1K LOW SHELF BOOST 560 - 27K SHELF BOOST SHELF BOOST BELL BELL BELL BELL GAIN CCW = FLAT BANDWIDTH BANDWIDTH BANDWIDTH CCW = WIDE FREQUENCY FREQUENCY FREQUENCY SELECT 1) BOOST / OUT / CUT, TOGGLE. Each band has individual toggles to select whether that band will boost or cut or be bypassed. 1) BOOST / OUT / CUT, TOGGLE.
- Page 7 RF engineers appreciate. This is either deliberate or the result of trying to squeeze too much range out of a simple induc- tor. Manley Labs prefers the bell shape to remain relatively constant at all frequencies and the Massivo uses 14 tap inductors with low DCR to provide this.
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Page 8: Credits
(most featuring the letter Q) but Randy and Justin separately came up with Massive Passive and they both won and they both applied their credit towards the EQ they named. The nickname “Massivo” comes from “Mas- sivo Passivo” which the Manley assemblers prefer to call it. DESIGNED BY “HUTCH”... -
Page 9: Notes On The Mastering Version
NOTES ON THE MASTERING VERSION The Massive Passive is a passive design and not a “true parametric”. A true parametric implies non-interacting controls. In the Massive Passive, the “GAIN” and “BANDWIDTH” controls DO interact (on purpose). We cannot create a “GAIN” switch that is set up for “consistent”... - Page 10 No tubes. It had boost and cut positions but boost just meant less loss. The next challenge was to make an EQ that sounded as good or Manley Labs re-created this vintage piece and added a tube gain make- better than a Pultec. With all the hundreds of EQs designed since up amp for that 10 dB or make-up gain to restore unity levels.
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Page 11: The Passive Parametric
“freq” corresponds to the half-way dB point. For years, we had been getting requests for a Manley parametric equal- So, if you have a shelf boost of 20 db set at 100 Hz, then at 100, izer, but it looked daunting because every parametric we knew of used it is boosting 10 dB. -
Page 12: Why Passive, Why Parallel
Why Passive? And Why Parallel? If you hate tech talk, just skip this section - it has to do with The Massive Passive is a “parallel design” as opposed to electronic parts and circuits and design philosophy. the far more common “series design”. A few pages back, we mentioned the main reason for going with a parallel design All EQs use capacitors. -
Page 13: Phase Shift, Why Tubes
Phase Shift? Deadly topic. This is probably the most misunderstood term floating The stupid answer is the name on the unit is “Manley Labs” and that about in the mixing community. Lots of people blame or name phase is what we do. Unlike a current trend, we do not use tubes for THD, shift for just about any audio problem that doesn’t sound like typical... -
Page 14: Curves
LOW SHELF CURVES Just like most EQs, a 100Hz low shelf doesn't reach "max" until about 10 Hz. Normal Shelf Wide Bandwidth (slope =about 4 to 5 dB/oct) Special Shelf Medium Bandwidth (slope = about 8 to 10 dB/oct) "Pultec Shelf" Narrow Bandwidth Bell Cut Narrow Bandwidth (just for reference) 22Hz and 33Hz are different shelves when the Bandwidth is Narrow... - Page 15 MORE 100Hz SHELVES SHOWING BOOST AND CUT WITH VARIOUS BANDWIDTHS THIS IS ABOUT +1.5 DB AT 300 Hz AND NEGLIGIBLE LOW SHELF +20 WIDE BW LOW SHELF +20 MED BW LOW SHELF -20 MED BW LOW SHELF -20 WIDE BW SPICE SIMULATION CURVES THESE CURVES SHOW ONE OF THE IDEOSYNCRACIES AND IT IS POSSIBLE FOR A LF BOOST TO SOUND AS IF IT HAS LESS LOWS...
- Page 16 TYPICAL BELL CURVES "dB" set at max (20 dB) and changing the Bandwidth Narrow Bandwidth Bandwidth at 12:00 Wide Bandwidth Wide Bandwidth Bandwidth at 12:00 Narrow Bandwidth Changing "dB" and Changing Bandwidth Max Boost Narrow Bandwidth 12:00 Boost Narrow Bandwidth Max Boost Wide Bandwidth 12:00 Boost Wide Bandwidth...
- Page 17 LOW PASS FILTERS 1.5 dB bump on the 6K, 7.5K and 9K Filters HIGH PASS FILTERS 16 17...
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Page 18: Tube Locations, Etc
THE GUTS AC VOLT CHANGE GAIN TRIM GAIN TRIM +4 / -10 CHANGE +4 / -10 CHANGE 5751/12AX7 5751/12AX7 (12AU7 Mastering Ver.) (12AU7 Mastering Ver.) 6414/12BH7 6414/12BH7 6414/12BH7 6414/12BH7 1) To Open: Disconnect the AC Power cable, let sit 15 minutes to allow the power supply capacitors to discharge. Remem- ber there are high voltages (300VDC) used in the Massive Passive and that the capacitors may continue to hold a charge after power is removed - BE CAREFUL! We suggest using gloves and/or “one hand only”... - Page 19 This procedure does not affect the XLR levels or polarity. Sorry, but all previous Manley Pro Gear is only designed for +4dBu levels and this is the first accomodation we have made for -10dBv.
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Page 20: Equalizers (General)
Now we have a new breed of digital parametrics that have few Equalizers limitations - other than does it actually sound good and is it avail- able for your format and is it stable and bug-free and is it a hassle EQs range from simple bass and treble controls on a hifi system to to get a signal in and out of it? Within their realm, some are getting pretty tricky parametric EQs and 1/3 octave graphic EQs. - Page 21 EQ TECHNIQUE bini or George Massenburg interviews. Rather than guess wrong, some engineers compare 3 or 4 probable choices. Some choose the One of the best things about almost all EQs is that you don’t really mic that minimizes EQing later, some hear the mic’s transient or need an instruction manual.
- Page 22 1) The song and the vocals was what producers wanted and perhaps that General Suggestions: If you are recording acoustic instruments, hasn’t changed much. Bands were recorded with live vocals back then. the most important first step is going out to the studio and listening, Even overdubs were a band thing.
- Page 23 Percussion: There are two big tricks. The first is don’t trust VU me- Rather than try to do all your compression while recording vocals, save some for the mix. This takes a little pressure off of finding the ters - use peak meters and don’t get too close to full scale. The key “ultimate”...
- Page 24 What you hear in the studio and est features. Manley Labs is one of the very few names commonly what “they” hear with a subwoofer can be different, and that is often seen in most major mastering facilities.
- Page 25 If you are attempting to master the project or “pre-master” (this year’s The Circuit hot, new audio buzzword) yourself, here are some suggestions. Take a week off after mixing, then listen to the mixes on as many different The Massive Passive is a not a particularly complicated circuit. The systems as you can, friend’s homes, cars, boom boxes, headphones, etc.
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Page 26: Translations
Translations This is just a few commonly used musical terms translated into technical terms or specific Massive Passive techniques. Note that these are fairly loose descriptions and definitions. Your mileage may vary. Bottom, Fat the deep lows for more: bell boost below 100Hz or use any low shelf up to even 330Hz. When you use a shelf this high, you should experiment with the bandwidth control more towards straight up or towards narrow. -
Page 27: Troubleshooting
- that indicates air has gotten into the tube or we’ve joked “the vacuum leaked out”. Either way replace the tube. Manley can ship you a tested one for a reasonable price. Before you pull a tube, pull the power out, let the unit sit and cool and discharge for a minute or two, then swap the new tube in, then power, then check. - Page 28 IT MAKES NOISES WHEN THE FRONT PANEL IS TAPPED - An easy one. Some tubes become microphonic over time. That means they start acting like a bad microphone. Vibration has caused the supports for the little parts in the tube to loosen and now the tube is sensitive to vibration. Easy - Replace the tube. Which one? The one that makes the most noise when you tap it.
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Page 29: Mains Connections
Operating mains voltage changeable via power transformer changeover switch and fuse value change. 100-120V operation: 1A SLO-BLO mains fuse 220-240V operation: 0.5A SLO-BLO mains fuse Waste Electrical and Electronic Equipment (WEEE) Information for customers: The European Parliament and the Council of the European Union have issued the Waste Electrical and Electronic Equipment Directive. The purpose of the Direc- tive is the prevention of waste of electrical and electronic equipment, and to promote the reuse and recycling and other forms of recovery of such waste. As such the Directive concerns producers, distributors and consumers. The WEEE directive requires that both manufacturers and end-consumers dispose of electrical and electronic equipment and parts in an environmentally safe man- ner, and that equipment and waste are reused or recovered for their materials or energy. Electrical and electronic equipment and parts must not be disposed of with normal household wastage; all electrical and electronic equipment and parts must be collected and disposed of separately. Products and equipment which must be collected for reuse, recycling and other forms of recovery are marked with the following pictogram: Small products may not always be marked with this pictogram in which case this is present in the instructions for use, on the guarantee certificate and printed on the packaging. When disposing of electrical and electronic equipment by use of the collection systems available in your country, you protect the environment, human health and contribute to the prudent and rational use of natural resources. Collecting electrical and electronic equipment and waste prevents the potential contamination of nature with the hazardous substances which may be present in electrical and electronic products and equipment. Your MANLEY or LANGEVIN retailer will assist with and advise you of the correct way of disposal in your country. -
Page 30: Specifications
SPECIFICATIONS MANLEY MASSIVE PASSIVE STEREO TUBE EQUALIZER Ins & Outs Balanced XLR & 1/4” (accepts unbalanced) Level +4 dBu nominal, internal switches for -10 operation Bypass Switch bypasses EQ & tube circuits (not hardwire) 44 Frequencies (roughly 1/4 octave spacing) -
Page 31: Specifications - Mastering Version
SPECIFICATIONS MANLEY MASSIVE PASSIVE STEREO TUBE EQUALIZER MASTERING VERSION Ins & Outs Balanced XLR & 1/4” (accepts unbalanced) Level +4 dBu nominal, internal switches for -10 operation Bypass Switch bypasses EQ & tube circuits (not hardwire) 44 Frequencies (roughly 1/4 octave spacing)
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