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Millennia M-2B Stereo Vacuum Tube Microphone Preamplifier

Millennia Media M-2B


 
List Price: $3,719.00
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Product Code : M2B
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Description
 

Entirely transformerless signal path, designed for the optimum musical & ambient transparency available with vacuum tube circuitry. Includes continuous gain adjustment from 15 to 50 dB, phantom power, phase reverse, ground lift. Optional +130 Volt DPA (BK) mic powering. Gloss black 3/8" faceplate. 2U chassis height. Accepts 100 VAC to 240 VAC worldwide mains powering.

Product Highlights

  • Transformerless, fully class-a, 350 volt triode design
  • >35 dbu output headroom
  • Optional dpa +130v mic inputs
  • Gold audio connectors, tube sockets, and relays
  • Musically rich vintage vacuum tubes available
  • Precision potentiometers, ultra-premium components.
  • Effortless, lifelike musical performance at all dynamic levels
  • Built for life, cosmetically appealing

Available Options

  • B&K (DPA) +130V mic inputs
  • 24-bit 192 kHz A/D "POW-R" converters (est delivery 2002)
  • High resolution 36 position mil-spec gold gain controls (standard on the HV-3B are 12 position mil-spec gold gain controls.)
  • DC Input Option for ideal performance with dynamic microphones

Product Specifications

MINIMUM GAIN
14 dB
MAXIMUM GAIN
50 dB
FREQUENCY RESPONSE +0 / -3 dB
4 Hz to 130 kHz
FREQUENCY RESPONSE, STEREO DEVIATION
< .10 dB
NOISE @ 50 dB Gain, 10 Hz - 30 kHz, 150 Ohm Source
-116 dB EIN
TOTAL HARMONIC DISTORTION + NOISE, 30 dB Gain, 10 Hz - 20 kHz, +0 dBu Out
< .02%
PHASE RESPONSE 35 dB Gain, 20 Hz - 20 kHz, +26 dBu Out
<10 degrees deviation
PHASE RESPONSE, STEREO DEVIATION 35 dB Gain, 20 Hz - 40 kHz, +27 dBu Out
<1 degree deviation
COMMON MODE REJECTION RATIO 30 dB Gain, 1 kHz, 100 mV C.M.
Better than 60 dB
SLEW RATE 30 dB Gain, +27 dBu Out
>20 Volts per microsecond
MAXIMUM INPUT LEVEL +20 dB Gain, 20 Hz - 40 kHz (no pad required)
+20 dBu
MAXIMUM OUTPUT LEVEL 14 - 50 dB Gain Range, 20 Hz - 40 kHz, Min 10k Ohm Load
> +35 dBu
STEREO (INTERCHANNEL) CROSSTALK
30 dB Gain, 1 kHz, +0 dBu Both Outputs
Better than -70 dB
INPUT IMPEDANCE, Phantom Input
3,800 Ohms
INPUT IMPEDANCE, DPA (B&K) High Voltage Input
9,000 Ohms
OUTPUT IMPEDANCE (transformerless vacuum tube)
120 ohms
B&K POWERING
+130 VDC, max, direct (non-phantom) powered
PHANTOM POWERING
+48 VDC, +/- 2 VDC
POWER CONSUMPTION, MAXIMUM
50 Watts
POWER REQUIREMENTS
100/120 - 200/240 VAC selectable, 50/60 Hz
DIMENSIONS
19" W x 12" D x 3.5" H
Unless stated, all measurements are balanced into 100k ohm load on a calibrated Audio Precision System One.

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