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INT-150 Owners Manual

Crush and Tip Hazard:  When moving or placing these products use 
caution to avoid injury from tip-over or fall.  Make sure that any stand, 
cart, table, bracket or tripod used to support this product is weight rated 
sufficient to the task.

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.

For Units With Externally Accessible Fuse Receptacle: Unplug the 
device from all sources of  power before changing  or inspecting any 
fuse.  Replace fuse with one of  same physical size, type and rating as that 
specified by the manufacture for that product.

Pass Laboratories

PO Box 219

24449 Foresthill Rd

Foresthill, CA  95631  USA

www.passlabs.com 

[email protected]

tel: (530)  367  3690
fax: (530)  367 2193

“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.

Summary of Contents for INT-150

Page 1: ...1 INT 150 Owners Manual pass TM INT 150 Owner s Manual Nov 19 2007 ...

Page 2: ...es a power supply cord that meets all legislated requirements for the market in which the product was originally sold If you choose to substitute an after market product we urge you to choose a polarized cord that is fully safety rated by the necessary local authority Under no circumstances defeat the safety purpose of any polarized plugs If the supplied power cord does not fit your power outlet c...

Page 3: ...ns All other servicing must be referred to qualified service personnel For Units With Externally Accessible Fuse Receptacle Unplug the device from all sources of power before changing or inspecting any fuse Replace fuse with one of same physical size type and rating as that specified by the manufacture for that product Pass Laboratories PO Box 219 24449 Foresthill Rd Foresthill CA 95631 USA www pa...

Page 4: ... amplifier the X1000 was intended as the premier example of the power of this principle delivering 1000 watts rms into 8 ohms at low distortion By itself of course this is no miracle but you have to consider that products with comparable performance have complicated circuits with as many as nine consecutive gain stages and lots and lots of negative feedback The X1000 had only two stages and used o...

Page 5: ...speaker loads without misbehaving and all are unconditionally stable into low impedance and reactive loads All the usual performance metrics power distortion noise input impedance damping factor and bandwidth have all been improved in this latest generation The power supplies are larger with fast rectifiers gating to larger capacitor banks The increases in AC line noise worldwide have been address...

Page 6: ... such as domestic heaters or open fires Keep all electrical devices away from liquids and liquids away from electrical devices When not actually intending to play music the amplifier should be left in standby mode from the front panel switch where it draws only a few watts of bias on the output stage If you wish to reduce the power draw to 0 you can shut the amplifier off via the rear panel switch...

Page 7: ...on off 5 Mute momentary push button on off 6 Input selection buttons inputs 1 4 7 IR remote receiver window 8 Volume control A Pre amplifier inputs 1 2 XLR RCA 3 4 RCA B Pre amplifier outputs XLR OR RCA C Right Channel speaker connector D Signal ground connector E IEC 520 AC power inlet module F Main Power switch not a safety disconnect G Fuse holder H Left Channel Speaker connector ...

Page 8: ...e the RCA input be certain that the XLR connector has a gold shorting plug between pins 1 and 3 which connects the minus input to ground otherwise the amplifier will not operate properly If you lose this shorting plug just contact the factory we give them away all the time The question comes up all the time are balanced inputs XLR better than single ended RCA The answer is that balanced lines gene...

Page 9: ...ker terminals will be electrically live when the amplifier is on Check to make certain that the loudspeaker cables aren t shorted at the loudspeaker end and then connect speaker cables to the output binding posts on the amplifiers observing correct polarity The output binding posts will accept either bare wire or spades Regulatory agencies in many countries have banned binding posts that will acce...

Page 10: ...f normal luminance reduced luminance or display off In the display off mode the display will be normally dark yet will provide reduced luminance for several seconds any time a control function on either the remote or integrated amplifier front panel are activated Please note The hand remote is common to several Pass Labs products not all of the functions on this remote are applicable to your integ...

Page 11: ...ture exceeds 75 degrees Centigrade This thermal cutout should never occur in real life This is a very rare occurrence and would indicate a serious problem We have a general recommendation about interconnects and speaker cables They should cost less than the amplifier and contain at least some conductive material We have tried a lot of products and most work well but as a practical matter we cannot...

Page 12: ...les but we can say that we have had amplifiers operating in the field in excess of 20 years with no particular mortality and we don t have good information beyond that More to the point you should not worry about it This is a conservatively built industrial design not a frail tube circuit run on the brink of catastrophic failure If it breaks we will simply get it fixed so sleep well INT 150 Specif...

Page 13: ... Foreign distributors are only required to offer warranty service on Pass Laboratories product that they have imported Please note Conditions of warranty service and customer rights for product purchased outside the United States may vary depending upon the distribu tor and local laws Please check with your local distributor for specific rights and details Any modifications to Pass Laboratories pr...

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