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Precautions

Location

Using the unit in the following locations can result in a malfunction.
•  In direct sunlight
•  Locations of extreme temperature or humidity
•  Excessively dusty or dirty locations
•  Locations of excessive vibration
•  Close to magnetic fields

Power supply

Be sure to turn the power switch to OFF when the unit is not in use. Remove 
the battery in order to prevent it from leaking when the unit is not in use for 
extended periods.

Handling

To avoid breakage, do not apply excessive force to the switches or controls.

Care

If the exterior becomes dirty, wipe it with a clean, dry cloth. Do not use 
liquid cleaners such as benzene, alcohol or thinner, or cleaning compounds 
or flammable polishes.

Keep this manual

After reading this manual, please keep it for later reference.

Keeping foreign matter out of your equipment

Never set any container with liquid in it near this equipment. If liquid gets 
into the equipment, it could cause a breakdown, fire, or electrical shock. Be 
careful not to let metal objects get into the equipment.

Notice regarding disposal (EU only)

If this symbol is shown on the product, manual, battery, or package, 
you must dispose of it in the correct manner to avoid harm to human 
health or damage to the environment. Contact your local administra-
tive body for details on the correct disposal method. If the battery 
contains heavy metals in excess of the regulated amount, a chemical 

symbol is displayed below the symbol on the battery or battery package.

IMPORTANT NOTICE TO CONSUMERS

This product has been manufactured according to strict specifications and 
voltage requirements that are applicable in the country in which it is intend-
ed that this product should be used. If you have purchased this product via 
the internet, through mail order, and/or via a telephone sale, you must 
verify that this product is intended to be used in the country in which you 
reside.
WARNING: Use of this product in any country other than that for which it 
is intended could be dangerous and could invalidate the manufacturer’s or 
distributor’s warranty. Please also retain your receipt as proof of purchase 
otherwise your product may be disqualified from the manufacturer’s or 
distributor’s warranty. Company names, product names, and names of 
formats etc. are the trademarks or registered trademarks of their respective 
owners.

* All product names and company names are the trademarks or registered 
trademarks of their respective owners.

Содержание Nu:Tekt HA-S

Страница 1: ...ssembly 6 Preparing the main circuit board and Nutube circuit board 6 Install the main circuit board into the case 8 Part Names and Functions 11 How to Use the Nu Tekt HA S 11 Adjusting the main circu...

Страница 2: ...d resistance value can be adjusted letting you enjoy different sounds by changing the steepness of the load curve for the vacuum tube This unit is shaped like a mint can case which is familiar to fans...

Страница 3: ...ry or package you must dispose of it in the correct manner to avoid harm to human health or damage to the environment Contact your local administra tive body for details on the correct disposal method...

Страница 4: ...4...

Страница 5: ...ete the assembly procedure and prepare work mats so parts will not be scratched Avoid losing the screws and nuts Handle the screws and nuts with caution to avoid losing them Do not use other screws or...

Страница 6: ...ch the cushion onto the Nutube circuit board unit Attach cushion N1 2 onto the edge of the Nutube circuit board Attach cushion N2 3 onto both upper edges of the Nutube CushionN2 3 CushionN1 2 CushionN...

Страница 7: ...washers 7 for the volume and jack side In the same way tighten the hex spacers 6 on the Nutube circuit board side and the internal tooth lock washers 7 by tightening the screws for the lower hex spac...

Страница 8: ...reatment 1 4 Knurled screw M2 L 6mm 4 5 Main circuit board Parts for assembly on pages 6 and 7 1 6 Insulation sheet PET 1 7 Volume nut Included with Volume 1 8 Volume washer Included with Volume 1 9 V...

Страница 9: ...d nut remove the washer and nut and then mount the main circuit board onto the case 3 Attach the washer 8 to the volume and then use the volume nut 7 to temporarily tighten the volume onto the case Ma...

Страница 10: ...e back side attach the battery cushion in the position shown in the diagram below 3 With the printed jack names facing the jack side put the cover 3 on and fasten the knurled screws 4 in four places T...

Страница 11: ...els between left and right The tonal character will also change when adjusting the sound Adjust the settings to get the sound you like 1 5 4 2 3 1 NFB switch Setting the switch to A will set the circu...

Страница 12: ...cuit is not equipped in pursuit of the superior sound Connect a pair of headphones or the like to the jack after you turn on the power Replacing the operational amplifier The operational amplifier can...

Страница 13: ...13 Mounting Diagram...

Страница 14: ...itor 220 F 25V 2 11 C24 Electrolytic capacitor 220 F 6 3V 1 12 C18 Electrolytic capacitor OPEN 13 R16 Chip resistor 0 1 14 R29 R30 Chip resistor 10 1 4W 2 15 R32 Chip resistor 1K 1 Part number Circuit...

Страница 15: ...4 7 F B 1 38 C7 Chip ceramic capacitor 4 7 F B 1 39 C1 C2 Chip ceramic capacitor 22 F B 2 40 C25 Chip Electrolytic capacitor 390 F 2 5V 1 41 C29 C30 C31 C32 Chip ceramic capacitor 10 F B 4 42 R33 Chip...

Страница 16: ...1 3 4 3 BATT1 BATTERY BOX R9 22K R8 22K 5 4 6 SW1B 2UD1 T1 GND GND GND R21 10K C10 10PF CH C26 100uF 35V R32 1K VCC_2 VCC_2 2 1 3 SW2A MK 22D10 G2 5 4 6 SW2B MK 22D10 G2 R17 47K R18 47K C16 0 012uF F...

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