VAC Phi Alpha Musicbloc 160 Instructions Manual Download Page 4

Page 4

INSTALLATION

Physical requirements:

1)

Provide Adequate Ventilation-Allow at least three inches of free air space above and two
inches to either side of amplifier

2)

Do not place the amplifier in a completely enclosed cabinet. If equipment cabinet has a solid
front door, a “boxer” fan will be necessary to ensure proper airflow.

3)

Do not stack other components (or any objects which could impede proper ventilation) on
top of the amplifier.

4)

Do not operate the amplifer on carpet, or on any other surface that might restrict airflow.

5)

The amplifier chassis will become very warm during normal use.

6)

The amplifier must be installed in a secure, sturdy, properly built (and ventilated) stand,
cabinet or enclosure. The Phi Alpha Musicbloc 160 is heavy, and could inflict serious injury
or property damage if it falls, or if the stand upon which it is place tips over. This concern
is particularly important in households with small children who might try to climb furniture.
In  addition,  care  must  be  taken  to  prevent  people,  pets,  and  flammable  materials  from
coming into contact with the VERY HOT vacuum tubes.

Summary of Contents for Phi Alpha Musicbloc 160

Page 1: ...ication Company Phi Alpha Musicbloc 160 Monoblock Tube Amplifier Instructions Manual issued 12 March 2008 Please read carefully before installing Copyright 2008 by Valve Amplification Company All righ...

Page 2: ...will be well rewarded It is our goal to provide instruments of the highest quality be informative to all of our customers and to provide responsive effective customer service Please feel free to cont...

Page 3: ...always turn the amplifier off and remove the AC power cord before detaching cabling Failure to observe this sequence can result in damage to the amplifier speakers or associated components 4 For prot...

Page 4: ...operate the amplifer on carpet or on any other surface that might restrict airflow 5 The amplifier chassis will become very warm during normal use 6 The amplifier must be installed in a secure sturdy...

Page 5: ...ormance try to route the power cord away from signal cables 5 For first installation or when a KT88 tube is changed As the amplifier warms up check the tube bias adjusting output tube bias as necessar...

Page 6: ...rst test switch move to the next test switch and repeat the process and so on until all four tubes have been tested Any tube that can not be adjusted to the correct bias point should be replaced Any t...

Page 7: ...l settings In general we find that a speaker s minimum impedance is more important than its nominal average impedance when determining which setting is correct A lack of bass response often indicates...

Page 8: ...mplifier will meet or exceed all factory performance specifications Before replacing tubes all power must be off Unplug power cord Remove cover and old tubes ONLY after the unit has cooled down In nor...

Page 9: ...Page 9...

Page 10: ...icular application This warranty applies only to the original purchaser and only for units sold in the United States of America through authorized VAC dealers and operated within the U S It covers fac...

Page 11: ...er __________________________________________________________________________ __________________________________________________________________________ What made you decide on the VAC _______________...

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