Summary of Phono10
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P/n12839 0902 b&k s b ! Imply etter b&k components, ltd. Phono 10 owner’s manual.
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Ii b&k components, ltd., 2100 old union road, buffalo new york 14227-2725 phone 1-800-543-5252 or (716) 656-0026, fax (716) 656-1291 e-mail: info@bkcomp.Com web: www.Bkcomp.Com.
Page 3: Table of Contents
Iii table of contents table of contents...................................................................................................................................Iii safety precautions ..............................................................................................................
Page 4: Safety Precautions
1 safety precautions please read before installing warning: to prevent fire or shock hazard, do not expose this unit to rain or moisture. Care should be taken to prevent objects or liquid from entering the enclosure. Never handle the power cord with wet hands. • the lightning flash with arrowhead, w...
Page 5: Introduction
2 introduction thank you for selecting b&k components, ltd.’s phono 10 phono preamplifier. The phono 10 is a discrete circuit dc coupled topology riaa phono preamplifier. It features a selectable head amp for use with both moving coil (mc) and moving magnet (mm) players. In addition to a control i/o...
Page 6: Rear Panel View
3 rear panel view phono 10 rear panel ac receptacle digital output ground binding post left and right analog inputs left and right analog outputs gain switch control i /o 7 6 5 4 3 2 1 caution r i s k o f e l e c t r i c s h o c k d o n o t o p e n r i s k o f e l e c t r i c s h o c k d o n o t o p...
Page 7: Design and Construction
4 design and construction the phono 10 utilizes high quality electronic circuitry to achieve an environment wherein a detailed, transparent and highly musical sound can be realized. The high quality parts complement includes state-of-the-art solid state devices, 1% metal film resistors, polypropylen...
Page 8: Phono Stage
5 phono stage the phono stage of the phono 10 may be configured for either moving magnet (mm) or moving coil (mc) applications with the additional capability to set the resistive and capacitive loading of the phono cartridge. Note: your phono 10 has already been configured for a mm stage with a resi...
Page 9: Capacitive Loading
6 important - ensure that the power cord is disconnected from the ac outlet prior to performing any of the following procedures! Capacitive loading note: the phono 10 is shipped from the factory with no capacitor installed. Typically, the capacitance of the phono cables (cphono cables) is sufficient...
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7 table 1 resistive loading examples rc desired (ohms) ri calculated (ohms) ri standard (ohms) 25 30 30.1 45 68 68.1 75 171 169 100 403 402 mc 125 2.1 k 2.10 k 5.0 k 5.3 k 5.36 k 20.0 k 25.0 k 24.9 k 35.0 k 53.8 k 53.6 k 50.0 k 100.0 k * 100 k mm 75.0 k 300.0 k 301 k * factory installed 2. With the ...
Page 11: Control I/o Connections
8 control i/o connections a control input/output is provided on the phono 10 preamplifier to remotely turn the unit on and off.A receiver or preamplifiers control output, such as is provided with the b&k series, can be utilized to provide a control signal to the phono 10. If a b&k amplifier is also ...
Page 12: Gain Switch
9 gain switch a gain switch is provided on the phono 10 to help match the left and right output level to that of the other sources in the system. This is useful in maintaining a constant volume level of the receiver or preamplifier when selecting different sources. When the switch is “in”, the outpu...
Page 13: Troubleshooting
10 troubleshooting problem possible cause possible solution no sound (‘on’ led not illuminated) 1. Power cord not plugged in 2. Power off at ac source 3. Ac power inlet fuse blown or faulty 4. Control switch in the wrong position 1. Reconnect power cord 2. Check ac switch or fuse 3. Check for shorts...
Page 14: Specifications
11 specifications moving coil sensitivity (at 1 khz) .09 mv moving coil overload (at 1 khz) 17 mv moving coil load resistance variable moving coil capacitance variable moving coil (s/n a weighted) 78 db moving magnet sensitivity (at 1 khz) .8 mv moving magnet overload (at 1 khz) 225 mv moving magnet...
Page 15: Limited Warranty
12 limited warranty b & k components ltd., referred to herein as b & k, warrants your b & k equipment against all defects in material and workmanship for a period of five years from the date of purchase. This warranty applies only to the original purchaser and only to equipment in normal residential...
Page 16: Www.Bkcomp.Com
13 www.Bkcomp.Com b&k components, ltd. 2100 old union road buffalo, new york 14227 phone: 716 – 656 - 0026.