"Passive" refers to the tone shaping part of this clever EQ design not using any active circuitry. Only metal film resistors, film capacitors and hand-wound inductors sculpt the sound, kinda like a Pultec EQ on hyper-steroids. Super-beefy, hugely-high-headroom Manley all-tube make-up gain amplifiers deliver your tunes into the next realm. "Massive".... it's a fitting word for this beast.
Creating natural, organic, acoustic tone can only be done with an equalizer that treats the signal with natural methods. The Massive Passive uses simple passive components and exploits their natural qualities rather than forcing a complex circuit to meet an arbitrary clinical or scientific goal.
The Massive Passive is intended both for the most radical EQ sometimes needed for tracking as well as the most subtle shadings for vocals and mastering. It is designed to be a fundamentally different EQ but incorporates the best strengths of Pultecs, choice console EQs, parametrics and graphics. The difference is that the Massive allows twice as much EQ with half the coloration. It allows huge HF boosts without sibilance problems and unbelievable fatness without mud.
- High Pass Filters = 22, 39, 68, 120, 220 Hz, OFF
- Low Pass Filters = 6, 7.5, 9, 12, 18 kHz, OFF
- Low - 22, 33, 47, 68, 100, 150, 220, 330, 470, 680, 1000 Hz
- Low-Mid - 82, 120, 180, 270, 390, 560, 820 Hz; 1.2, 1.8, 2.7, 3.9 kHz
- High-Mid - 220, 330, 470, 680 Hz; 1, 1.5, 2.2, 3.3, 4.7, 6.8, 10 kHz
- High - 560, 820 Hz; 1,2, 1.8, 2.7, 3.9, 5.6, 8.2, 12, 16, 27 kHz
Each band can be bypassed or set to boost or cut up to 20 dB. This provides twice the control resolution over conventional EQs. It also eliminates the problem of a center detent not guaranteeing flat response.
Steep LP and HP filters for maximum effectiveness and achieved passively for minimal coloration. Low Pass Filters get progressively steeper as the frequency point rises. All of the High Pass Filters, and the Low Pass 6K, 7K5, and 9KHz Filter slopes are 18 dB/octave, the Low Pass 12kHz filter has a 24dB/octave slope and the 18kHz filter has a 60 dB per octave slope.
Manley quality, Manley engineering, and the "Manley Sound".
- All-Passive tone sculpting circuitry
- Unique Shelf curves use the "bandwidth" control
- Overlapping and Interleaved Frequency choices
- Every band switchable to shelf or bell
- Vacuum tube make-up gain and line drivers
- Parallel symmetrical topology
- Premium components throughout
- Passive HP and LP Filters plus gain trims
- 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)
- Frequency Range: 22 Hz to 27 kHz
- EQ Boost/Cut Range : 20 dB boost, 20 dB cut
- Nominal Q range: 1.5 to 3 (uniquely active in shelf modes)
- Tube Complement: 2 x 12AT7 EH, 4 x 12BH7EH for serial MSMPX### after 3/2014
- Tube Complement: 2 x 12AX7 EH, 4 x 6414 for serial MSMPX### after 2/2004
- Tube Complement: 2 x 5751, 4 x 6414 for serial MSMP### until 2/2004
- Unit is factory set for 100V, 120V or 220-240VAC operation for original destination country's mains voltage.
- Operating Mains Voltage changeable with power transformer changeover switch and fuse value change.