Sutherland PhonoBlock Phonostage

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  • Regular price $10,000.00


Sutherland PhonoBlock Phonostage

The PhonoBlock is the phono preamp I designed for my home system. Its design was a self indulgence. I built it to please me. There was no consideration to accommodate any market influences. That mind-set gave me the absolute freedom to build an uncompromised and, in my opinion, the best phono preamp.
— RON SUTHERLAND, SUTHERLAND ENGINEERING

Much of the PhonoBlock’s effortless musicality can be attributed to power supply capability. The power supply is not ‘sized’ for the gain stage’s load. On the contrary, gain stage power requirements place an insignificant load on the power supply’s capacity. The power available to the amplifier section is a bedrock solid foundation. Precisely defined by fixed current regulators, shunt voltage regulators right at the load and over 100,000 microfarads (per mono chassis) for energy storage. It takes nearly 20 seconds for this huge reservoir to fill up when AC power is applied.

For a design guided by simplicity, the PhonoBlock’s power supply may, at first, appear plenty complicated. Admittedly, it is both simple AND complex. It is a long chain of individually simple elements. Each element has a function of either filtering or regulation (also doing a filtering function). Each element inserts a level of isolation. The accumulated isolation is unprecedented. 

Specifications

Cartridge loading (ohm): 50, 100, 200, 475, 1k, 10k, 47k. Blank card, can be configured for 1 to 47k ohm plus capacitance
Gain settings (dB): 45, 50, 55, 60. Blank card, can be configured for 40 to 70 dB
Size (WDH): 17” x 17” x 3.25” 
Shipping box (WDH): 24" x 24" x 11"
Weight: 21 lb each
Shipping weight: 26 lb each
Power requirements: 10 W each


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