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LIMITED WARRANTY 

   

1. Chassis and transformers: 2 years plus 10 days (from the date of shipment)

  

2. Electron tubes: 6 months plus 10 days (from the date of shipment)

  

   

Who is covered by this warranty?

  

Your Vista-Audio warranty protects the original consumer owner of this Vista-Audio product.  
   

What is covered?

  

Except as specified below, this warranty covers all defects in material and workmanship in this product 
occurring during the above warranty periods. The following are not covered by the warranty: (1) Any product 
which is not purchased from Audio-Vista or an authorized dealer; (2) damage, deterioration or malfunction 
resulting from a) accident, act of nature, abuse, misuse, neglect (including the lack of reasonable and 
necessary maintenance), unauthorized product repair, opening of or modification or failure to follow 
instructions supplied with the product, b) repair or attempted repair by anyone not authorized by Vista-Audio, 
c) any shipment of the product (claim must be presented to carrier); (3) damage to or deterioration of any 
accessory or decorative surface (decorative wood, paint defects, mirror finish, etc.);  (4) any product on which 
the serial number has been modified, removed or defaced; (5) any unit on which the warranty seal is broken 
or missing; (6) units used for a purpose other than home use.  
   

How to obtain warranty service?

  

If your unit ever needs service contact us at [email protected] or write to us at ENG Vista, Inc., 77-21 
86th St, Glendale, NY 11385. We may direct you to an authorized repair service or ask that you send your 
unit to us for repair in which case we will send you a Service Return Authorization and detailed shipping 
instructions. Either way you will need to present the original bill of sale to establish the date of 
purchase/shipment. 

Please do not ship your equipment without our prior authorization

.

  

- You are responsible for transporting your unit or arranging for its transportation.

  

- You must pay the initial shipping charges, but we will pay the return shipping charges if the repairs are 
covered by the warranty.

  

- When returning your unit for warranty service, a copy of the original sales slip and Service Return 
Authorization number must be attached.  
You should include the following: your name, address, email address, daytime telephone number, model and 
serial number of the product and a description of the problem.  
   

What we will pay for?

  

If during the applicable warranty period from the date of original consumer purchase your Vista-Audio product 
is found to be defective by Vista-Audio, Vista-Audio will repair, or at its option, replace with new, used or 
equivalent model, such defective product without charge for parts or labor.

  

If necessary repairs are not covered by this warranty we will contact you with repair estimate and ask for your 
authorization to proceed with repair. If the unit is not in need of repair, you will be responsible for diagnostic 
charge.

  

 

  

THIS WARRANTY IS EXPRESSLY MADE IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED OR 
IMPLIED, INCLUDING WITHOUT LIMITATION, WARRANTIES OF MERCHANTABILITY AND FITNESS 
FOR A PARTICULAR PURPOSE.

 

OUR LIABILITY IS LIMITED TO THE REPAIR OR REPLACEMENT, AT OUR OPTION, OF ANY 
DEFECTIVE PRODUCT AND SHALL IN NO EVENT INCLUDE INCIDENTAL OR CONSEQUENTIAL 
COMMERCIAL OR PROPERTY DAMAGES OF ANY KIND. WE ARE NOT RESPONSIBLE FOR 
PRODUCTS LOST, STOLEN AND/OR DAMAGED DURING SHIPPING.

 

 
This warranty may not be altered other than in writing signed by an officer of Vista-Audio or ENG Vista, Inc.

 

 

 

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Содержание i34

Страница 1: ...e step ahead a brand of ENG Vista Inc m mo od de el l i i3 34 4 I In nt te eg gr ra at te ed d T Tu ub be e A Am mp pl li if fi ie er r U Us se er r s s M Ma an nu ua al l http www vista audio com Rev 4 1 ...

Страница 2: ...r audio system Before using this amplifier please take the time to carefully read and understand the safety instructions and operating procedures Becoming familiar with all details about your amplifier will ensure safe usage and reliable operation Especially important is the section on tube layout which gives information on tube replacement The effort you invest now will be well rewarded as the ti...

Страница 3: ...onnector Always use power cord with adequate wire cross section and an electrical outlet that is grounded If you do not know whether the outlet is grounded consult your electrician or local power company 6 Power Cord Protection Power supply cords should be routed so that they are not likely to be walked on or pinched Pay particular attention to cords at plugs convenience receptacles and where they...

Страница 4: ...e 1000 2000 hrs range We strongly recommend replacing the output tubes at 12 18 months interval depending on your listening habits and signal tubes at every other power tube replacement after 24 36 months This will ensure that the amplifier always performs at its best and tube failure will not overstress other parts 3 Biasing the amplifier The model i34 amplifier uses tubes in fixed bias configura...

Страница 5: ...s cooled down Inspect the tube for cracks and physical damage Make sure that the pins are straight If you need to straighten the pins be very careful as it may cause the glass envelope to break causing the tube to lose the vacuum and fail as soon as the amplifier is powered on Carefully align the pins with the socket and gently insert the tube Never force a tube into a socket Should you decide to ...

Страница 6: ... tubes will begin to glow a soft orange light Press the power switch to 0 to turn the unit off As the heaters cool off the orange glow will slowly disappear It is normal for a vacuum tube equipment to run warm if used for prolonged periods Tubes are operating at much higher temperature and should not be touched for at least ten minutes after the unit is turned off to prevent burns Always place you...

Страница 7: ...perly connected to a high current power receptacle 4 When turning the unit on make sure the volume control is at its lowest point the volume control is at minimum when turned counterclockwise to the mechanical limit 5 The amplifier will be fully functional after only a couple of minutes However as it warms up over the first 30 minutes of operation you may notice slight improvement in the sound qua...

Страница 8: ...or ECC82 with different effects on sensitivity and sonic performance No other types of tubes can be used as they may cause a damage to the amplifier which is not covered by the warranty We do not recommend frequent changes of the tubes as the sockets are sensitive mechanical parts and are rated for relatively small number of insertions Tube rolling frequent replacement for experimenting purposes i...

Страница 9: ...ll depend on the input voltage value and even small variations of the AC line will make bias voltage drift slightly causing your readings to differ and creating perception that tubes drifted more than they actually do model i34 amplifier was designed with this in mind tubes are run well below their maximum ratings and normal variations of bias voltage will not affect their life nor performance Che...

Страница 10: ...35W Class of operation AB THD 0 3 max 1W 1kHz Bandwidth 15Hz 35kHz Input sensitivity 0 6Vrms Input impedance 50 kohm Output speaker impedance 4 and 8 ohms Tubes 2 x ECC832 4 x E34L Input Voltage 120V 60Hz 230V 50Hz available Maximum input current 2A at 120V Weight 24 lbs 10 ...

Страница 11: ...hipping instructions Either way you will need to present the original bill of sale to establish the date of purchase shipment Please do not ship your equipment without our prior authorization You are responsible for transporting your unit or arranging for its transportation You must pay the initial shipping charges but we will pay the return shipping charges if the repairs are covered by the warra...

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