What is the PH3D and who needs it?
The PH3D is a high-value example of high-end performance. There are no frills – nothing fancy. The parts budget all goes towards putting really good parts into the signal path. Those quality parts, combined with refined circuitry have given much listening pleasure to its happy owners.
An amplifier does not make the input signal “bigger.” Instead, it uses the input signal to control the delivery of power from a power supply. So the increased size of the output signal comes entirely from the power supply. The quality and purity of the power supply is an essential foundation for creating a high-quality output signal. Still,
in many designs, the power supply is given only casual consideration.
Technical Specs & Notes
Power Requirements:
120 VAC
Dimensions (WHD): 17″ x 2″ x 12″
Weight: 9 lb.
Price: $1,000
Power Requirements: 16 Alkaline ‘D’ cells
Battery Life: 1,200 hours
(actual power-on time)
Loading Adjustments
There are five available loading settings. Loading is set using the supplied, gold-plated shunts. There is a load setting header block for each channel. Position the shunt to the desired loading value. Be sure to set the gain of each channel to the same value.
Gain Adjustments
There are five available gain settings. Gain is set using the supplied, gold-plated shunts. There is a gain setting header block for each channel.Position the shunt to the desired gain value. Be sure to set the gain of each channel to the same value.
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