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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
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GAIN, MM PHONO SECTION
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GAIN, MC PHONO SECTION
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NOISE AND HUM
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INPUT IMPEDANCE
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OUTPUT IMPEDANCE
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FREQUENCY RESPONSE
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POWER SUPPLY DESIGN
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TRANSFORMER(S)
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VACUUM TUBE COMPLEMENT
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POWER SUPPLY CAPACITORS
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RESISTORS
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POWER SUPPLY CAPACITORS
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AC CORD
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AC POWER REQUIREMENTS
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POWER CONSUMPTION
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WARM-UP TIME
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BREAK-IN TIME
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FINISH
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WEIGHT
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DIMENSIONS
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Direct Coupled, Single-ended Class A
38 dB, using triode vacuum tubes
54 dB, using input transformers and triode vacuum tubes
-78 dB below full output
MM 47 k ohm, MC 100 ohm
660 ohms
RIAA Curve + 0.5 dB, passive RIAA circuit design
Fully regulated power supply with 1 ea - R-Core transformer
200% Duty rating for long life and reserve energy
2 ea - 6SL7 Head Amp
2 ea - 6SL7 RIAA EQ & Amp Gain Stage
1 ea - 5AR4 Vacuum Tube Rectifier
6 ea - 47 µFd @ 350 VDC capacitor
1% Metal Film
6 ea - 47 µFd @ 350 VDC capacitors
3 Conductor, Detachable
100, 117 or 234 Volts @ 50/60 Hz, set by market
15 Watts
5 Minutes
100 hours of music playing time
Black or silver anodized aluminum faceplate, semi gloss black
steel chassis
22 lbs. (10 kg.)
4" H x 17" W x 13" D (~10 x 43 x 33 cm)
6
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