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 outputs – 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

Downloads

• TD-1 Manual
• TD-1 Reset Template
• TD-1 Data Sheet

Not Quite What You Need?

• STT-1 Origin Twin Topology Recording Channel

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    

• 45 dB standard (65 dB with optional HV-3 mic preamp)

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 detent
“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.