TD-1

Twin Topology Half Rack Channel Strip

Multiple Paths, One Goal: Total Sonic Realism

• Four distinct inputs can be optimized for any source
• Instruments – Twin Topology® DI channel; dual-triode 12AT7 vacuum tube or discrete FET solid state
• Microphones – discrete solid state HV-3 microphone preamplifier
• DAW or tape outputs – Discrete solid state line level amplifier
• Guitar power amp inputs – Speaker Soak™ technology
• Powerful yet musical tonal shading
• Two bands of mastering-grade NSEQ-2 parametric EQ; 20 Hz to 20 kHz center frequency, 0.4 to 4.0 Q
• Optimized DI input for any instrument with variable 470 k / 2 M / 10 M impedance
• Nine outputs for unlimited functionality
• Patented Re-Amp outputs with custom-designed magnetics emulate Les Paul® and Strat® pickups
• Audiophile headphone output
• Balanced and unbalanced monolithic outputs
• Balanced and unbalanced discrete FET outputs
• Microphone level output with large-geometry DIT-01 transformer: -3 dB 3 Hz – 300 kHz
• Effortlessly musical performance at all dynamic levels
• Input headroom >100 V, output headroom > 30 V
• 100% effective hum removal with numerous ground lifts & isolations
• Built for critical professional applications
• Ultra-clean toroid power supply: internal sub-chassis
• Gold connectors, OFC audio wiring, silver Teflon power wiring

Specifications

Preamplifiers and General:
 

• Instrument / DI Input Amplifier:Twin Topology®
• TUBE: Selected twin triode vacuum tube amplifier (200 V): SOLID STATE: Selected all discrete J-FET amplifier (50 V): 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 routing & topology
• Maximum Balanced Line Input Level: +23 dBu (+43 dBu with Pad engaged or >110 Volts rms)
• Maximum DI Input Level (Both Tube & SS): +18 dBu (+26 dBu with Pad engaged or >15 Volts rms)
• Maximum Output Level: +32 dBu active balanced outputs, +26 dBu unbal outputs
• Maximum System Gain: 65 dB
• Input Impedance (DI): Switchable: 470 kilohms / 2 megohms / 10 megohms
• Noise (Mic) (60 dB gain): -128 dB EIN, 150 ohm source, -130 dB EIN common
• source
• Noise (Line) (10 dB gain): -105 dBu
• Noise (DI) (10 dB gain): -90 dBu (solid state)
• Phase Error (EQ out): Less than +/- 5 degrees 50 Hz to 20 kHz

Parametric Equalizer
 

• Maximum Boost and Cut: +/– 15 dB (21 step detentet pot)
• “Q” Range: Q+ 0.4 to 4.0 sweepable
• Low Freq sweep: Switch In: Pure Class-A Discrete J-FETs
• Hi Freq sweep: Switch Out: Pure Class-A Triode Tubes
• Power Consumption: 35 watts maximum
• Power Requirements: Selectable: 100-120, 200-240 V ac, 50/60 Hz
• Dimensions/Shipping Weight: 8.5” W x 3.5” H x 13.0” D, 20 lbs.