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Product Description
The Massive Passive is a two channel, four band equalizer, with additional high pass and low pass filters. "Passive" refers to the tone shaping part of this clever new 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.
Features:
• 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
• HP and LP Filters plus gain trims
SPECIFICATIONS:
• 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)
• Frequency Response: +/- 2 dB: 8 Hz to 60 KHz
• Maximum Output @ 1.5% THD +37 dBv; +26dBv @ 20 Hz
• THD & Noise (1KHz @ +4 dBu): 0.06%
• Noise Floor (referred to +4dBu): -85 dB (A Weight)
• Dynamic Range: 120 dB
• Tube Complement: 2 x 12AX7EH, 4 x 6414 for serial MSMPX### after 2/2004
• Tube Complement: 2 x 5751, 4 x 6414 for serial MSMP### until 2/2004
• Power Consumption (120/240VAC): 72 watts
• 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.
• Mains Voltage Frequency: 50~ 60Hz
• Size (3U): 19" x 5.25" x 10"
Specifications
| Channels | |
|---|---|
| Chassis | |
| Digital I/O | No |
| Tube or Solid State | |
| Equalizer type | Parametric |
| Rack format | 19-inch rackmount 3U+ |