Millennia STT-1


Twin Topology Channel Strip


About this item



Millennia STT-1

Over 130 Optimized Signal Topologies

  • Twin Mic Preamps — M-2B vacuum tube or HV-3 discrete solid state
  • Twin NSEQ-2 Mastering-Grade Parametric EQs — vacuum tube or discrete solid state
  • Three Opto Compressor/Limiter Paths — TCL vacuum tube, discrete solid state, passive
  • Twin Opto De-Esser Paths — vacuum tube or discrete solid state
  • Vacuum tube or discrete solid state line level paths
  • Input coupling with or without MIT-01 audio transformer
  • 1/4” vacuum tube DI input — route via a tube or solid-state gain path
  • Effortless, lifelike musical performance at all levels
  • Musically rich vacuum tubes are available
  • Gold audio connectors, tube sockets, relays, and switches
  • 3/8“ thick radius extruded aluminum face plate
  • Durable black laser-etched anodized finish
  • Mil-spec 16 gauge cold-rolled steel chassis
  • Ultra-clean toroid power supply: internal sub-chassis
  • Hand machined aluminum knobs, illuminated IT&T pushbuttons
  • True audio VU meter for output level or dynamics gain reduction
  • Lovingly hand-crafted in Northern California


Microphone Preamplifiers & General:
Twin Topology Mic Preamplifier SelectionSwitchable, Vacuum Tubes or Solid-State
Twin Topology EQ & CompressorSwitchable, Vacuum Tubes or Solid-State
Twin Topology Input CouplingSwitchable, Transformer or Transformerless
Maximum Output Level (Balanced)+ 32 dBu
Frequency Response (+0 / -3 dB (S/S))sub 5 Hz to beyond 300 kHz
Equivalent Input Noise-131 dBu (SS, Common Source, Direct Out)
THD + Noise (20 Hz – 22 kHz) (S/S)< .05 %, typ < .003 %
Common Mode Rejection Ratio (S/S)> 40 dB, Typ > 70 dB @ 60 Hz
Input Impedance (Mic)6,200 ohms
Input Impedance (Line)2,200 ohms (x2)
Input Impedance (DI – Instrument)> 1 megohm
Output Impedance (Balanced)24.3 ohms (x2)
Parametric Equalizer:
Maximum EQ Boost/Cut Range (21 Step Detented)+/- 15 dB
EQ Frequencies,Low Range Switch (Centers – Peak/Shelf Selectable):20, 34, 56, 100, 180, 270
Low Mid Sweep:20 Hz – 220 Hz or 200 Hz – 2.2 kHz.
10X Range switch selectable
Hi Mid Sweep:250 Hz – 2.5 kHz or 2.5 kHz – 25 kHz.
10X Range switch selectable
High Range Switch (Centers – Peak/Shelf Selectable)4.8 k, 5.8 k, 8.0 k, 10 k, 16 k, 21 k
“Q” RangeQ = 0.4 to 4.0 Adjustable on middle ranges
Q = 1.0 Fixed on low & high ranges
Optoelectronic Compressor/Limiter
Threshold RangeInfinite to +20 dBu
Attack Range2 ms to 100 ms
Release Range80 ms to 3.0 s
Compression Ratio Rangeminimum 1.4 : 1, maximum 30 : 1
De-Essing Frequency SwitchOFF, 4.9 k, 6.8 k, 8.2 k, 10.7 k , 12.0 k
Power Consumption50 watts maximum
Power RequirementsSelectable: 100-120, 200-240 V ac, 50/60 Hz
Dimensions/Shipping Weight19” W x 3.5” H x 15.5” D, 25 lbs.

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