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Manley Mini Massive Stereo EQ  From Manley

Manley Labs built a limited-edition (50pcs) production run of Manley-branded Mini Massives in late 2012. These units are identical to the Langevin version, save for branding and cosmetics. The original Langevin text is printed below for reference.

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Manley Laboratories Inc

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Manufacturer's Description from Manley

The Langevin Mini Massive is the little brother to Manley's Massive Passive EQ. This new EQ is based on the same passive EQ sections as the Massive Passive's Low Band and High Band and shares most of the same components and circuit layout. The Mini Massive is smaller at only 1U high and about half the price and includes some new features, refinements and a new level of clarity fit for mastering at its best.

 

Hutch re-visited the 4 lowest shelf settings, and the 4 highest frequency shelf settings, plus added new higher Q bell shapes for the 4 highest frequencies. This gives even more opportunities for Pultec-like fatness and beyond in the deep lows. The new high frequency curves are designed for air, sweetness and sparkle. Compared to the Massive Passive, the toggle switch that selects between Bell and Shelf, has become a 3 position switch, to introduce the new higher Q Bell curves on the 4 highest frequencies. These features give the Mini Massive even more power and flexibility to achieve that elusive big round tight bottom and silky atmospheric top.

 

The Mini Massive uses 4 of the new Manley Rapture® Amplifiers for gain. These came about in the long search for the cleanest and most musically involving gain stage we could get and were originally intended for a cost-no-object digital / analog converter. These are further augmented by both series and shunt power supply regulators, to provide a refined low noise power supply. Like the Massive Passive, huge headroom is available and the Mini will output +30 dBv balanced into 50 Ohms. And rather than using unstable cross-coupled outputs to drive balanced or unbalanced loads, the Mini Massive can accommodate balanced, or unbalanced +4, or unbalanced -10 loads, and each one is always driven optimally. It plays well with others.

 

And for those who would prefer the sound and ease of interface that transformer-coupled outputs provide, we have made the same transformers as used in the Manley Massive Passive a stock item here in the Langevin Mini Massive EQ. These can add a subtle degree of warmth and smoothness when used in the signal path. A 3-way toggle IRON switch on the back panel switches the transformers into the circuit or bypasses them or forces them into a more vintage-like flavor for even more fat and aggressive colors.

 

Of course, for those who want a Mono 4-band EQ only need to patch the output of Channel 1 into the input of Channel 2. The low band ends at 1K and the high band begins at 560. Shelf frequencies still go that far and still offer dramatic curves.

 

The Mini Massive is the EQ for those who consider the Massive Passive too big, too expensive, or too colored or maybe not the first choice for extreme lows or extreme highs. The Massive Passive was designed to be a tube EQ with character and with the creative potential of forgotten passive techniques. The Mini Massive is a clean, lean machine, with the same EQ performance, and then some, where we wanted it most. And like the Massive Passive, it cannot be the one EQ appropriate for anything and everything (there is no such device), but it will be the first choice EQ for most things.

 

 

Manley Laboratories Inc

About Manufacturer

The MANLEY brand has been around since the late 1980's. Manley's first commercially available products were upper echelon high-fidelity vacuum tube amplifiers and preamplifiers constructed at the old Vacuum Tube Logic of America factory.

In this history lesson, we'd like to direct special focus on our people at Manley Labs. The people whose years of dedication, service, and expertise bring you people, our customers, these products. It's all about the people...

On January 30, 1989, a 20 year old EveAnna on sabbatical from her studies at Columbia University met the crew and was hired on to the production team. Baltazar Hernandez, already with two years experience, taught her how to solder in those first few days. It was in 1989 that the first Manley professional products were developed, starting with the original 1u Reference 60dB Microphone Preamplifier and soon followed by our Manley Enhanced Pultec and Mid Frequency Equalizers. Baltazar and EveAnna, busy building gear, were soon joined by Saulo and Ramiro. Just next door, Elias was employed by a printed circuit board maker later brought into the Manley Labs fold when in 1993, Manley Laboratories, Inc. became a separate entity apart from VTL. The new Manley Labs factory at 13880 Magnolia Ave. in beautiful and bovine Chino, California was outfitted to house the Manley HiFi and Pro Studio manufacturing as well as the Langevin production lines, our newly acquired machine shop, and printed circuit board facilities.

Specifications

Number of Channels: 2 solid state makeup gain

Number of EQ selections: Total 96 (48 per channel)

Low Shelf/Low Bell: 11 positions (22 Hz -1 kHz)

High Shelf/High Bell 11 positions (560 Hz - 27 kHz)

High Bell2 4 positions (8.2 kHz - 27 kHz)

Bypass Method: True Hardwire Bypass via relays

Maximum Input for 1% THD Balanced +26 dBm; Unbalanced -10 dBv +12 dBm

Maximum Output (50 to 20kHz): Balanced +4: +30 dBm; Unbalanced +4: +24 dBm; Unbalanced -10: +18 dBm

THD & Noise (1kHz @ +4 dBm): 0.007% (noise dominated)

Frequency Response: 5 Hz to 90 kHz (±0.5 dB transformers bypassed; +0.5 /-3 dB via transformers)

Noise Floor: -78 dB (ref to +4 dBm)

Signal to Noise Ratio: 108 dB typical (ref to +30 dBm)

Input Impedance: 20 kOhms

Output Impedance: 60 Ohms direct; 300 Ohms via transformers

Power consumption: 15 Watts

Operating mains voltage: Units' power transformers are wired for original destination country's mains voltage: 100V, 120V, or 220-240VAC as indicated on the serial number badge. Power transformer must be rewired on the pcb in order to change mains operating voltage. Fuse must be changed to appropriate value.

Mains Voltage Frequency:

Fuse Values S/N up to LMINI151: @ 100 - 120V operation: 1A; @ 220 - 240V operation: 500mA

Fuse Values S/N after LMINI151: @ 100 - 120V operation: 400mA; @ 220 - 240V operation: 200mA

Fuse Size: 5mm x 20mm SLO-BLO (time delay) type (BUSSMAN GDC Series)

Size (1U): 19" x 1.75" x 10"

Weight: Unit 12 lbs. Shipping Weight: 16 lbs.

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