SPECIFICATIONS
This section describes the basic specifications of the PH 302 phono preamplifier at the time of printing.
Specifications are subject to change without notice or obligation.
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CIRCUIT TYPE Direct Coupled, Single-ended Class A
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GAIN, MM PHONO SECTION 38 dB, using triode vacuum tubes
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GAIN, MC PHONO SECTION 54 dB, using input transformers and triode vacuum tubes
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NOISE AND HUM -78 dB below full output
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INPUT IMPEDANCE MM 47 k ohm, MC 100 ohm
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OUTPUT IMPEDANCE 660 ohms
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FREQUENCY RESPONSE RIAA Curve + 0.5 dB, passive RIAA circuit design
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POWER SUPPLY DESIGN Fully regulated power supply with 1 ea - R-Core transformer
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TRANSFORMER(S) 200% Duty rating for long life and reserve energy
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VACUUM TUBE COMPLEMENT 2 ea - 6SL7 Head Amp
2 ea - 6SL7 RIAA EQ & Amp Gain Stage
1 ea - 5AR4 Vacuum Tube Rectifier
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POWER SUPPLY CAPACITORS 6 ea - 47 µFd @ 350 VDC capacitor
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RESISTORS 1% Metal Film
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POWER SUPPLY CAPACITORS 6 ea - 47 µFd @ 350 VDC capacitors
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AC CORD 3 Conductor, Detachable
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AC POWER REQUIREMENTS 100, 117 or 234 Volts @ 50/60 Hz, set by market
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POWER CONSUMPTION 15 Watts
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WARM-UP TIME 5 Minutes
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BREAK-IN TIME 100 hours of music playing time
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FINISH Black or silver anodized aluminum faceplate, semi gloss black
steel chassis
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WEIGHT 22 lbs. (10 kg.)
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DIMENSIONS 4" H x 17" W x 13" D (~10 x 43 x 33 cm)
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