Instruction Manual

TD-1
Millennia
Music & Media Systems
36
TWIN DIRECT TD-1 SPECIFICATIONS
GENERAL
Instrument / DI Input Amplier Topology TUBE: Selected dual triode vacuum tube (250V)
SOLID STATE: All discrete J-FET amplier (50V)
THD + Noise, 20 Hz - 30 kHz (35 dB Gain) 0.0005% typical mic / line, 0.03% typical vacuum tube
Intermodulation Distortion 0.0009% typical mic / line, 0.03% typical vacuum tube
Frequency Response @ -3 dB points 3 Hz to 300 kHz, typical. Varies with path & topology
Frequency Response @ -0.5 dB points 7 Hz to 100 kHz, typical. Varies with path & topology
Frequency Response, DIT-01 Transformer Better than 3 Hz to 300 kHz (+/- 3.0 dB)
Frequency Response, DI - Tube Path -1.0 dB, better than 10 Hz to 40 kHz
Frequency Response, DI - SS Path -1.0 dB, better than 5 Hz to 100 kHz
Maximum Balanced Mic Input Level +23 dBu (Pad not engaged)
Maximum Balanced Line Input Level +23 dBu (+43 dBu Pad engaged, or >100 Volts RMS)
Maximum DI Input Level (Tube & SS) +18 dBu (+26 dBu Pad engaged, or >15 Volts RMS)
Maximum Output Level +32 dBu active balanced outputs, +26 dBu unbal outputs
Maximum System Gain 65 dB standard
Input Impedance (mic) 6,200 ohms, nominal with phantom power engaged
Input Impedance (line) 6,900 ohms, pad out.
Input Impedance (DI - Tube & SS) switchable: 470K ohms / 2M ohms / 10M ohms
Output Impedance 24.3 (x2) ohms balanced. 49.9 ohms unbalanced
Noise (Mic) (Eq out, 60 dB gain) -128 dB EIN, 150 ohm source
Noise (Line) (Eq in, 10 dB gain) -105 dBu
Noise (DI) (Eq in, 10 dB gain) -90 dBu
Common Mode Rejection Ratio, mic in > 60 dB typical, 100 mV CM (10 Hz - 100 kHz)
> 80 dB typical @ 60 & 120 Hz, 100 mV CM
Phase Error (Eq out) Less than +/- 5 degrees 50 Hz to 20 kHz, typical
Three-pin XLR Polarity Pin 2 = positive polarity, Pin 1 = ground
¼” Phone Polarity (unbal) Sleeve = ground, Tip = positive polarity
¼” Phone Polarity (balanced) Sleeve = ground, Tip = pos pol, Ring = neg pol
EQUALIZER
Maximum Boost & Cut +/- 15 dB (21 step detent)
Parametric “Q” Adjustment Range Q = 0.4 to 4.0, sweepable
Low Freq (LF) Parametric Sweep Freqs 20 Hz to 220 Hz -or- 200 Hz to 2.2 kHz (sw selectable)
High Freq (HF) Parametric Sweep Freqs 250 Hz to 2.5 kHz -or- 2.5 kHz to 25 kHz (sw selectable)
Bypass Selection on Each Eq Band? Yes
Eq IN / OUT Switch? Yes
Eq Topology Solid State
ELECTRO-MECHANICAL
Power Consumption 35 Watts, nominal
Power Requirements 100VAC to 240VAC, 50/60Hz, selectable
Fuses (2 required) 100-120VAC Mains 2 ea 500mA (5x20mm, U.S. slow-blow, 250V)
200-240VAC Mains 2 ea 250mA (5x20mm, U.S. slow-blow, 250V)
Internal DC Power +250V, +48V, +25V, -25V, +18V, -18V, +12.6V, +5V
Dimensions approximately 8.5” W x 13” D x 3.5” H
Net Weight approximately 16 pounds
* Maximum HV-3 preamplier gain can be factory modied up to 85 dB upon customer request.
Millennia Media reserves the right to change specication and delivery without notice.