Purple Audio MC77
1176-style FET Limiter
Compressor / Limiter$1,850Manufacturer list price
Specifications
- Type
- Compressor / Limiter
- Description
- 1176-style FET Limiter
- Topology
- discrete transistor audio path, single-element class-A output amplifier, transformer-balanced XLR I/O, Zener shunt-regulated audio power supply
- Signal path
- Analog
- Channels
- 1
- Channel format
- mono, stereo-linkable
- Form factor
- rack
- Rack units
- 1U
- Powered
- internal (mains, 115V/230V switchable)
- Country of manufacture
- USA
Details
Controls: Input, output, attack, release, ratio buttons (4:1/8:1/12:1/20:1), true bypass via sealed relay w/ front-panel switch, stereo-link switch, sidechain/key select switch, buffered VU meter (input/output select)
I/O: Transformer-balanced XLR input and output; sidechain insert loop or key input via front-panel switch
Notes: Rack outboard unit (NOT a 500-series module), 1176-style limiter recreating rev-E 1176 circuitry with modern matched components. Ratios 4:1/8:1/12:1/20:1; attack 20-800μs; release 50ms-1.1s; max gain 45dB (full gain, no limiting). Purple anodized aluminum front panel, black cold-rolled steel enclosure, toroidal power transformer, 3-year warranty. Made in USA confirmed via company history. Predecessor MC76 was Purple Audio's first product, introduced 1997 (year_intro field left blank for MC77 itself since specific MC77 intro year not stated). Price: dealer pricing varies $1,650 (studiologicsound.com) to $1,850 (Sweetwater, Equipboard aggregate) — used $1,850 as the more broadly corroborated current street price; flagged discrepancy.