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Related Manuals for Pass Laboratories X1
Summary of Contents for Pass Laboratories X1
- Page 1 X1 Owner’s Manual Aug 10, 2006 X1 Owner’s Manual...
- Page 2 The X1 employs a new type of volume control that offers an order of magnitude better performance than seen before in an electronic control.
- Page 3 The X1 has a total of four inputs and a separate tape loop. Two of the four inputs (Input numbers 1 & 2) can be used single-ended or balanced.
- Page 4 XLR’s associated with them.) You are free to use any combination of balanced and unbalanced connections with the X1. The unbalanced input impedance of the preamplifier is 33 kOhms. In balanced mode, the input impedance is higher, with a differential impedance of at least 66 kOhms.
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Page 5: Description Of Operation
The rear mounted pair of five-way binding posts are intended to control the on/off function of our own X series power amplifiers from the X1’s front panel, or via the four button remote. When the preamp mode “Amp” is selected it allows the user to switch a nominal 12 volts DC at maximum draw of 50 milliamps to these binding posts. - Page 6 When the right-front and left-front outputs of the processor are routed through input 4 of the X1 (with the gain of the X1 set for Unity gain), the volume will be under full control of the processor and the X1’s action will be...
- Page 7 (+4dB) setting, regardless of how it was previously configured. When at Unity both left and right level controls on the X1 will have a displayed value of 24, and any previous balance settings will be lost. Both of these default conditions are intentional, and intended to make the most advantageous use of your source electronics.
- Page 8 The power supply for the X1 is contained in a separate chassis and consists of a toroidal power transformer delivering an unregulated +/- 45 volts which is actively regulated before feeding passive filtering which powers the constant current sources that bias the gain stages.
- Page 9 Muting relays, which delay connection during turn-on and shut off the output when insufficient power supply is available to maintain regulation, guard the output of the X1. The preamplifier is designed to run constantly, and will exhibit optimum measured performance within about 10 hours of turn-on.
- Page 10 External amp turn on 12 volts DC 50 mA Power Consumption 35 watts Dimensions chassis Shipping Weight “Pass”, “pass”, “Pass Labs”, “Pass Laboratories”, Supersymmetery”, “Aleph”, and “Zen” and are all registered trademarks of Pass Laboratories, Inc., and all rights thereto are protected by law. X1 Owner’s Manual...
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Page 11: Warranty Information
In the case of safety issues, no product shall be returned to the customer without those safety issues being corrected to the most recent accepted standards. Removal or alteration of original Pass Labs serial numbers voids the factory warranty. Product with altered or missing serial numbers will be suspected as counterfeit product. - Page 12 Servicing: To reduce the risk of fire, electrical shock or other injuries, the user should not attempt to service the device beyond that which is described in the operating instructions. All other servicing must be referred to qualified service personnel. X1 Owner’s Manual...
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