Pass HPA-1 Owner'S Manual Download | Manualshive

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pass

®

Pass Laboratories Inc.,

13395 New Airport Rd.,

Suite G, Auburn, CA 95602

530.878.5350

passlabs.com

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Summary of Contents for HPA-1

Page 1: ...1 pass HPA 1 Owner s Manual ...

Page 2: ...stroy equip ment Ventilation Power ampliﬁers run warm but you should be able to place your hands on them without discomfort You must allow for this heat in installation by providing for free air circula tion around the product Leave a minimum of 6 of space around the ampliﬁer The ventila tion should not be impeded by covering the ventilation openings with items such as newspa pers table cloths cur...

Page 3: ...overlooked and plays a large part in overall performance of the ampliﬁer The HPA 1 s ampliﬁer circuits are low feedback wide bandwidth discreet designs employing a J Fet input stage and a Mosfet output stage biased into Class A biased direct coupled output stage The HPA 1 easily drives headphones presenting loads from 15 to 600 Ohms particularly excelling on planar headphone designs The sound is r...

Page 4: ...formance after about one hour after turn on In the event of a power loss the unit shuts off and upon restoration of power the unit will go through the mute cycle and return to the state it was in prior to the loss of power It will remember the last input and function and will return to that setting before the loss of power This is also true when the unit is switched off with the power switch It is...

Page 5: ...in the best possible signal integrity between the headphone amp circuit and the headphones The silver contacts are rated to reliably carry 10A of current without overheating and are largely self cleaning If there is a better sounding and more trouble free 1 4 audio jack we ve yet to experience it In use the locking mechanism is automatic in action and requires little or no additional insertion for...

Page 6: ...y characteristics will differ slightly due to the different metallurgy of the fuse elements between commercial grade and audio grade fuses We can t guarantee that your audiophile grade fuse won t blow at a different in rush current threshold than your stock commercial fuse Use of other than approved fuses may invalidate your product warranty and result in product damage HPA 1 Specs Gain 8 dB Frequ...

Page 7: ...factory or shipping product to the factory for repair Non North American product must be returned to the country of origin for warranty service Foreign distributors are only required to offer warranty service on Pass Laboratories product that they have imported veriﬁable by serial number Please note Conditions of warranty service and customer rights for product purchased outside the United States ...

Page 8: ...8 pass Pass Laboratories Inc 13395 New Airport Rd Suite G Auburn CA 95602 530 878 5350 passlabs com ...

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