Portable Microphone Preamp

Authentic Transparency for Unrestricted Creativity

• Continuously variable gain control
• Front panel instrument input
• DC coupled ribbon mic with 10dB gain boost setting
• 80 Hz rolloff filter
• 48V phantom power
• 14 dB Pad
• Polarity flip
• 12 to 15V operation - 100 to 240V line lump power supply, 12V output, included

Specifications

• Minimum Gain: 14.5 dB, 1dB with Pad
• Maximum Gain (continuously variable) : 60 dB (70 dB in Ribbon Mode)
• Frequency Response  (-3 dB): < 10 Hz to  > 200 kHz - typical -1.0 dB @ 10 Hz - typical  -1.5 dB @ 200 kHz
• Noise (60 dB Gain, 10 Hz - 30 kHz, Inputs common): -130 dB EIN
• Total Harmonic Distortion + Noise (35 dB Gain, 10 Hz - 20 kHz bandwidth, +24 dBu Out): < .003%, Typical < .001%
• Intermodulation Distortion (50 Hz & 7 kHz) 35 dB Gain: < .0006% +12 dBu Out < .001% +20 dBu Out
• Phase Response (35 dB Gain, 50 Hz - 20 kHz bandwidth, +27 dBu Out): < 2 degrees deviation
• Common Mode Rejection Ratio (35 dB Gain, 10 Hz - 20 kHz bandwidth, 100 mV C.M.): > 65 dB, Typ > 85 dB
• Slew Rate (35 dB Gain, +24 dBu Out): > 25 Volts per microsecond
• Maximum Input Level (20 Hz - 40 kHz): +12dBu @ 0.02% THD+N +18dBu @ 0.02% THD+N with pad
• Maximum Output Level: 1 kHz @ 35dB of gain, THD+N is: < 0.001% at +26dBu output < 0.05% @ +28 dBu output.
• Input Impedance (1 kHz): 2k2 phantom / 1M inst
• Output Impedance: 24.3 Ohms (x2)
• Phantom Powering: 48V dc +/- 2V dc
• Dimensions/Shipping Weight: 5.67" W x 1.69” H x 8.19” D, 3 lbs.

Single Channel 500-Rack Microphone Preamplifier

Authentic Transparency for Unrestricted Creativity

• Continuously variable gain control
•  Front panel instrument input
• DC coupled ribbon mic with 10dB gain boost setting
• 80 Hz rolloff filter
• 48V phantom power
• 15 dB Pad
• Polarity flip
• API 500 series compatible format

Specifications

• Minimum Gain: 14.5 dB, 1dB with Pad
• Maximum Gain (continuously variable): 60 dB (70 dB in Ribbon Mode)
• Frequency Response (-3 dB): < 10 Hz to  > 200 kHz - typical -1.0 dB @ 10 Hz - typical  -1.5 dB @ 200 kHz
• Noise  (60 dB Gain, 10 Hz - 30 kHz, Inputs common): -130 dB EIN
• Total Harmonic Distortion + Noise  (35 dB Gain, 10 Hz - 20 kHz bandwidth, +24 dBu Out): < .003%, Typical < .001%
• Intermodulation Distortion (50 Hz & 7 kHz) 35 dB Gain:< .0006% +12 dBu Out < .001% +20 dBu Out
• Phase Response (35 dB Gain, 50 Hz - 20 kHz bandwidth, +27 dBu Out):< 2 degrees deviation
• Common Mode Rejection Ratio  (35 dB Gain, 10 Hz - 20 kHz bandwidth, 100 mV C.M.): > 65 dB, Typ > 85 dB
• Slew Rate (35 dB Gain, +24 dBu Out): > 25 Volts per microsecond
• Maximum Input Level (20 Hz - 40 kHz): +12dBu @ 0.02% THD+N
• Maximum Output Level: 1 kHz @ 35dB of gain, THD+N is: < 0.001% at +26dBu output < 0.05% @ +28 dBu output.
• Phantom Input Impedance  (1 kHz): 2,210 ohms
• Output Impedance: 24.3 Ohms (x2)
• Phantom Powering: provided by 500 rack
• Dimensions/Shipping Weight: 1.5” W x 5.25” H x 6” D, 2 lbs.

Single Channel API 200-Rack Microphone Preamp

Authentic Transparency for Unrestricted Creativity

• Fits in API 200 frame and API Legacy and Vision consoles
• Continuously variable gain control
• DC coupled ribbon mic with 10dB gain boost setting
• 48V phantom power
• 15 dB Pad

Specifications

• Minimum Gain: 8.5 dB
• Maximum Gain (continuously variable): 60 dB (70 dB in Ribbon Mode)
• Frequency Response (+0 / -3 dB): sub 3 Hz to beyond 300 kHz
• Noise (60 dB Gain, 10 Hz - 30 kHz, Inputs common): -130 dB EIN
• Total Harmonic Distortion + Noise (35 dB Gain, 10 Hz - 20 kHz bandwidth, +27 dBu Out): < .001%, Typ. < .0005% (< 5 ppm)
• Intermodulation Distortion ((50 Hz & 7 kHz) 35 dB Gain, +27 dBu Out): < .0009%
• Phase Response (35 dB Gain, 50 Hz - 20 kHz bandwidth, +27 dBu Out): < 2 degrees deviation
• Common Mode Rejection Ratio (35 dB Gain, 10 Hz - 20 kHz bandwidth, 100 mV C.M.): > 65 dB, Typ > 85 dB
• Slew Rate (35 dB Gain, +27 dBu Out): > 25 Volts per microsecond
• Maximum Input Level (20 Hz - 40 kHz): +20 dBu (no attenuator pads required)
• Maximum Output Level (20 Hz - 40 kHz): +28 dBu
• Phantom Input Impedance (1 kHz): 6,750 ohms
• Output Impedance: 24.3 Ohms (x2)
• Phantom Powering: +48 V dc, +/- 2 V dc
• Dimensions/Shipping Weight: 1-1/8” W x 2-5/8” H x 5-7/8” D, 1 lb.

Portable Two Channel Microphone Preamplifier

Authentic Transparency for Unrestricted Creativity

• Continuously variable gain control
• Selectable DC-coupled ribbon mic path with +10dB gain boost setting
• +48V phantom power
• -14 dB Pad
• 12VDC to 15VDC operation - 100 to 240V line lump power supply (12V output) included

Specifications

• Minimum Gain: 14.5 dB, 1dB with Pad
• Maximum Gain (continuously variable) : 60 dB (70 dB in Ribbon Mode)
• Frequency Response  (-3 dB): < 10 Hz to  > 200 kHz - typical -1.0 dB @ 10 Hz - typical  -1.5 dB @ 200 kHz
• Noise (60 dB Gain, 10 Hz - 30 kHz, Inputs common): -130 dB EIN
• Total Harmonic Distortion + Noise (35 dB Gain, 10 Hz - 20 kHz bandwidth, +24 dBu Out): < .003%, Typical < .001%
• Intermodulation Distortion (50 Hz & 7 kHz) 35 dB Gain: < .0006% +12 dBu Out < .001% +20 dBu Out
• Phase Response (35 dB Gain, 50 Hz - 20 kHz bandwidth, +27 dBu Out): < 2 degrees deviation
• Common Mode Rejection Ratio (35 dB Gain, 10 Hz - 20 kHz bandwidth, 100 mV C.M.): > 65 dB, Typ > 85 dB
• Slew Rate (35 dB Gain, +24 dBu Out): > 25 Volts per microsecond
• Maximum Input Level (20 Hz - 40 kHz): +12dBu @ 0.02% THD+N +18dBu @ 0.02% THD+N with pad
• Maximum Output Level: 1 kHz @ 35dB of gain, THD+N is: < 0.001% at +26dBu output < 0.05% @ +28 dBu output.
• Phantom Input Impedance (1 kHz): 2,210 ohms
• Output Impedance: 24.3 Ohms (x2)
• Phantom Powering: 48V dc +/- 2V dc
• Dimensions/Shipping Weight: 5.67" W x 1.69” H x 8.19” D, 3 lbs.

Hand-signed by John La Grou and the Millennia Team


To celebrate our 25th anniversary, along with our 2019 induction into the prestigious NAMM Technology Hall of Fame, we have made a special limited edition HV-35 Anniversary micamp.  Production is limited to 100 individually-numbered units.

Sporting a champagne-gold anodized finish and "25 Year" logo, each HV-35-ANIV is hand-signed by John La Grou and the Millennia team.

• Continuously variable gain control
•  Front panel instrument input
• DC coupled ribbon mic with 10dB gain boost setting
• 80 Hz rolloff filter
• 48V phantom power
• 15 dB Pad
• Polarity flip
• API 500 series compatible format

• Minimum Gain:14.5 dB, 1dB with Pad
• Maximum Gain (continuously variable): 60 dB (70 dB in Ribbon Mode)
• Frequency Response (-3 dB): < 10 Hz to  > 200 kHz - typical -1.0 dB @ 10 Hz - typical  -1.5 dB @ 200 kHz
• Noise (60 dB Gain, 10 Hz - 30 kHz, Inputs common): -130 dB EIN
• Total Harmonic Distortion + Noise (35 dB Gain, 10 Hz - 20 kHz bandwidth, +24 dBu Out): < .003%, Typical < .001%
• Intermodulation Distortion (50 Hz & 7 kHz) 35 dB Gain: < .0006% +12 dBu Out < .001% +20 dBu Out
• Phase Response (35 dB Gain, 50 Hz - 20 kHz bandwidth, +27 dBu Out): < 2 degrees deviation
• Common Mode Rejection Ratio (35 dB Gain, 10 Hz - 20 kHz bandwidth, 100 mV C.M.): > 65 dB, Typ > 85 dB
• Slew Rate (35 dB Gain, +24 dBu Out): > 25 Volts per microsecond
• Maximum Input Level (20 Hz - 40 kHz): +12dBu @ 0.02% THD+N +18dBu @ 0.02% THD+N with pad<
• Maximum Output Level: 1 kHz @ 35dB of gain, THD+N is: < 0.001% at +26dBu output < 0.05% @ +28 dBu output.
• Input Impedance (1 kHz): 2k2 phantom / 1M inst
• Output Impedance: 24.3 Ohms (x2)
• Phantom Powering: provided by 500 rack
• Dimensions/Shipping Weight: 1.5” W x 5.25” H x 6” D, 2 lbs..

Twin Topology Channel Strip

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 tube or solid state gain path
• Effortless, lifelike musical performance at all levels
• Musically rich vacuum tubes available
• Gold audio connectors, tube sockets, relays and switches
• 3/8“ thick radius extruded aluminum face plate
• Durable black mirror-gloss 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
• Mogami Neglex OFC audio wiring
• Silver Teflon power wiring
• True audio VU meter for output level or dynamics gain reduction

Specifications

Microphone Preamplifiers & General:
 

• Twin Topology Mic Preamplifier Selection: Switchable, Vacuum Tubes or Solid-State
• Twin Topology EQ & Compressor: Switchable, Vacuum Tubes or Solid-State
• Twin Topology Input Coupling: Switchable, 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” Range: Q = 0.4 to 4.0 Adjustable on middle ranges Q = 1.0 Fixed on low & high ranges

Optoelectronic Compressor/Limiter
 

• Threshold Range: Infinite to +20 dBu
• Attack Range: 2 ms to 100 ms
• Release Range: 80 ms to 3.0 s
• Compression Ratio Range: minimum 1.4 : 1, maximum 30 : 1
• De-Essing Frequency Switch: OFF, 4.9 k, 6.8 k, 8.2 k, 10.7 k , 12.0 k
• Power Consumption: 50 watts maximum
• Power Requirements: Selectable: 100-120, 200-240 V ac, 50/60 Hz
• Dimensions/Shipping Weight: 19” W x 3.5” H x 15.5” D, 25 lbs.

Eight Channel Microphone Preamplifier

Authentic Transparency for Unrestricted Creativity

• Unsurpassed ambience retrieval
• Transformerless design with matched hi-speed discrete transistor octet has +23 dBu input headroom: no attenuator “pads” needed
• Uncolored timbral accuracy at all dynamic levels
• Entirely balanced audio path with precision components maintains signal integrity: THD under 5 ppm (.0005%)
• Effortless, vividly realistic musical performance
• Laser-trimmed FET-based output stage has 32 dB headroom: drives 1000 foot (300 m) cable runs with ease
• Standard 36-step gain controls (1.5 dB per step) are stereo matched to .08 dB
• Ultra-clean universal power supply
• Gold switches
• Mogami Neglex OFC audio wiring
• Silver Teflon power wiring
• Welded 16 gauge steel rack chassis

Specifications

• Minimum Gain: 8.5 dB
• Maximum Gain (1.5 dB per step, 36 steps): 65 dB (up to 75 dB on request)
• Frequency Response (+0 / -3 dB): sub 3 Hz to beyond 300 kHz
• Noise (60 dB Gain, 10 Hz - 30 kHz, Inputs common): -133 dB EIN
• Total Harmonic Distortion + Noise (35 dB Gain, 10 Hz - 20 kHz bandwidth, +27 dBu Out): < .001%, Typ. < .0005% (< 5 ppm)
• Intermodulation Distortion (50 Hz & 7 kHz) 35 dB Gain, +27 dBu Out: < .0009%
• Phase Response (35 dB Gain, 50 Hz - 20 kHz bandwidth, +27 dBu Out): < 2 degrees deviation
• Common Mode Rejection Ratio (35 dB Gain, 10 Hz - 20 kHz bandwidth, 100 mV C.M.): > 65 dB, Typ > 85 dB: Slew Rate (35 dB Gain, +27 dBu Out)
• > 25 Volts per microsecond: Maximum Input Level (20 Hz - 40 kHz)
• +23 dBu (no attenuator pads required): Maximum Output Level (20 Hz - 40 kHz)
• +32 dBu
• Phantom Input Impedance (1 kHz): 6,750 ohms
• Output Impedance: 24.3 Ohms (x2)
• DPA (B&K) Mic Powering: +130 V dc max, (non-phantom)
• Phantom Powering: +48 V dc, +/- 4 V dc
• Power Consumption: 45 watts maximum
• Power Requirements: 100V to 240V, 50/60 Hz
• Dimensions/Shipping Weight: 19” W x 3.5” H x 12.5” D, 23 lbs.

Four Channel Microphone Preamplifier

Authentic Transparency for Unrestricted Creativity

• Unsurpassed ambience retrieval
• Transformerless design with matched hi-speed discrete transistor octet has +23 dBu input headroom: no attenuator “pads” needed
• Uncolored timbral accuracy at all dynamic levels
• Entirely balanced audio path with precision components maintains signal integrity: THD under 5 ppm (.0005%)
• Effortless, vividly realistic musical performance
• Laser-trimmed FET-based output stage has 32 dBu headroom: drives 1000 foot (300 m) cable runs with ease
• Standard 36-step gain controls (1.5 dB per step) are stereo matched to .08 dB
• Ultra-clean universal power supply
• Gold switches
• Mogami Neglex OFC audio wiring
• Silver Teflon power wiring
• Welded 16 gauge steel rack chassis

Specifications

• Minimum Gain: 8.5 dB
• Maximum Gain (1.5 dB per step, 36 steps): 65 dB (up to 75 dB on request)
• Frequency Response (+0 / -3 dB): sub 3 Hz to beyond 300 kHz
• Noise (60 dB Gain, 10 Hz - 30 kHz, Inputs common): -133 dB EIN
• Total Harmonic Distortion + Noise (35 dB Gain, 10 Hz - 20 kHz bandwidth, +27 dBu Out): < .001%, Typ. < .0005% (< 5 ppm)
• Intermodulation Distortion (50 Hz & 7 kHz) 35 dB Gain, +27 dBu Out: < .0009%
• Phase Response (35 dB Gain, 50 Hz - 20 kHz bandwidth, +27 dBu Out): < 2 degrees deviation
• Common Mode Rejection Ratio (35 dB Gain, 10 Hz - 20 kHz bandwidth, 100 mV C.M.): > 65 dB, Typ > 85 dB
• Slew Rate (35 dB Gain, +27 dBu Out): > 25 Volts per microsecond
• Maximum Input Level (20 Hz - 40 kHz): +23 dBu (no attenuator pads required)
• Maximum Output Level (20 Hz - 40 kHz): +32 dBu
• Phantom Input Impedance (1 kHz): 6,750 ohms
• Output Impedance: 24.3 Ohms (x2)
• DPA (B&K) Mic Powering: +130 V dc max, (non-phantom)
• Phantom Powering: +48 V dc, +/- 4 V dc
• Power Consumption: 45 watts maximum
• Power Requirements: 100V to 240V, 50/60 Hz
• Dimensions/Shipping Weight: 19” W x 3.5” H x 12.5” D, 21 lbs.

Two Channel Microphone Preamplifier

Authentic Transparency for Unrestricted Creativity

• Unsurpassed ambience retrieval
• Transformerless design with matched hi-speed discrete transistor octet has +23 dBu input headroom: no attenuator “pads” needed
• Uncolored timbral accuracy at all dynamic levels
• Entirely balanced audio path with precision components maintains signal integrity: THD under 5 ppm (.0005%)
• Effortless, vividly realistic musical performance
• Laser-trimmed FET-based output stage has +32 dBu headroom: drives 1000 foot (300 m) cable runs with ease
• Standard 36-step gain controls (1.5 dB per step) are stereo matched to .08 dB
• Ultra-clean universal power supply (100-240VAC)
• Gold switches
• Mogami Neglex OFC audio wiring
• Silver Teflon power wiring
• Welded 16 gauge steel rack chassisl

Specifications

• Minimum Gain: 8.5 dB
• Maximum Gain (1.5 dB per step, 36 steps): 65 dB (up to 75 dB on request)
• Frequency Response (+0 / -3 dB): sub 3 Hz to beyond 300 kHz
• Noise (60 dB Gain, 10 Hz - 30 kHz, Inputs common): -133 dB EIN
• Total Harmonic Distortion + Noise (35 dB Gain, 10 Hz - 20 kHz bandwidth, +27 dBu Out)< :001%, Typ. < .0005% (< 5 ppm)
• Intermodulation Distortion (50 Hz & 7 kHz) 35 dB Gain, +27 dBu Out :< .0009%
• Phase Response (35 dB Gain, 50 Hz - 20 kHz bandwidth, +27 dBu Out): < 2 degrees deviation
• Common Mode Rejection Ratio (35 dB Gain, 10 Hz - 20 kHz bandwidth, 100 mV C.M.): > 65 dB, Typ > 85 dB
• Slew Rate (35 dB Gain, +27 dBu Out): > 25 Volts per microsecond
• Maximum Input Level (20 Hz - 40 kHz): +23 dBu (no attenuator pads required)
• Maximum Output Level (20 Hz - 40 kHz): +32 dBu
• Phantom Input Impedance (1 kHz): 6,750 ohms
• Output Impedance: 24.3 Ohms (x2)
• DPA (B&K) Mic Powering: +130 V dc max, (non-phantom)
• Phantom Powering: +48 V dc, +/- 4 V dc
• Power Consumption: 12 watts maximum
• Power Requirements: 100V to 240V, 50/60 Hz
• Dimensions/Shipping Weight: 19” W x 1.75” H x 12” D, 15 lbs..