Manley Massive Passive Mastering Version 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

• 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 : Maximum 11dB boost or 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 12AU7, 4 x 6414

• Power Consumption (120/240VAC): 72 watts

• Mains Voltage Frequency: 50~ 60Hz

• Size (3U): 19" x 5.25" x 10"

• Weight: Unit 21 lbs.

Tech Specs Number of Channels Number of Bands Tube Inputs Outputs Rack Spaces Height Depth Width Weight

2

4

Yes

2 x XLR, 2 x 1/4"

2 x XLR, 2 x 1/4"

3U

5.25"

10"

19"

27 lbs.