Moving coil and moving magnet phono preamplifier with 5AR4 vacuum tube voltage regulation. Shielded R-Core power transformer, separate step up transformers for MC cartridges, separate inputs for MC or MM cartridges, MM optimized for 47 k ohm load, MC optimized for 100 ohm loads. Fully regulated power supply section, dual triode vacuum tube buffer and gain stages. High gain design with 54 dB overall gain in the MC section. Black anodized aluminum faceplate, black steel chassis standard, silver faceplate optional. ZERO feedback design.
Specifications
Weight: 22 lb. ( 10 kg.)
Dimensions: 4" H x 17" W x 13" D (~10 x 43 x 33 cm)
Circuit Type: Direct Coupled, Single Ended Class A
Gain, MM Phono Section: 38 dB using triode vacuum tubes
Gain, MC Phono Section: 54 dB, using input transformers and triode vacuum tubes
Noise and Hum: -78 dB below full output
Input Impedance: MM 47 k ohm, MC 100 ohm
Output Impedance: 660 Ohms
Frequency Response: RIAA Curve + 0.5 dB, passive RIAA circuit design
Power Supply design and the type of Power Transformer:
Fully Regulated Power Supply with 1 ea. - R-Core transformer, 200% Duty rating for long life and reserve energy
Vacuum Tube Complement:
2 ea. - 6SL7 Head Amp
2 ea. - 6SL7 RIAA EQ
& Amp Gain Stage
1 ea. - 5AR4 Vacuum Tube Rectifier
Power Supply Capacitors: 6 ea. - 47 µFd @ 350 VDC capacitor
Resistors: 1% Metal Film
Power Supply Capacitors: 6 ea. - 47 µFd @ 350 VDC capacitors
AC Cord: 3 Conductor, Detachable
AC Power Requirements: 100, 117 or 234 Volts @ 50/60 Hz, set by market
Consumption: 15 Watts
Warm-Up Time: 5 Minutes
Break-In Time: 100 hours of music playing time
Finish: Black or Silver anodised aluminum face plate, semi gloss black steel chassis