Overview
Delivery 6-7 working days
- 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)
- Grayhill mil-spec gold switching
- Mogami Neglex OFC audio wiring
- Silver Teflon power wiring
- Welded 16 gauge steel rack chassis
- Lovingly hand-crafted in Northern California
Options:
- Ribbon optimized DC coupled input - $100/channel
- Extra 10dB gain - no charge
- DPA 130V input - $300/channel
Specifications
| Minimum Gain | 8.5 dB |
| Maximum Gain (1.5 dB per step, 36 steps) | 60 dB (up to 70 dB on request) |
| Frequency Response (+0 / -3 dB) | sub 8 Hz to beyond 300 kHz (sub 3 Hz by request) |
| Noise (60 dBu 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.. |
