Tavish Design Minotaur Скачать руководство пользователя страница 3

 

1

 

Q

UICK 

S

TART

 

Thanks for buying the Minotaur! For safety, best results, and greatest enjoyment of your new amplifier, 
please take time to read these quick start instructions and the safety considerations in Section 2. You 
can skip sections 3-7 of the manual until you need them. Feel free to contact Tavish Design if you have 
any questions (

[email protected]

). 

 

1.

 

Place the amplifier in a location where it will receive adequate ventilation. It dissipates about 
70 - 160 watts with no input signal (about the same as a 20 or 35 watt-per-channel tube amp) 
and it is normal for it to get warm, especially on top, above the tubes. Place the amplifier on a 
firm surface so that the bottom ventilation slots will not be blocked, and also make sure the top 
& side vents are not blocked. Allow at least 4 inches of open space above the amp and 1-2 
inches on each side for air circulation. We do not recommend stacking other equipment on top 
of the Minotaur. Do not place anything directly on top of the cabinet, especially not CDs nor LPs. 
 
See Section 2 “Safety” for other installation considerations. 
 

2.

 

Connect the antenna for the remote control. The antenna is packed in the same bag as the 
remote control and threads onto a connector on the rear panel, near the power connector. If 
you place your Minotaur in an enclosed metal equipment rack, the antenna may have trouble 
receiving signals and the remote control range may be limited. See section 4.5 if you have this 
problem. 
 

3.

 

Connect signal sources to the rear inputs. The Minotaur accepts line-level analog signals, such 
as the output of an audio DAC or disk player. The standard version has 5 pairs of unbalanced 
(RCA) input connectors. The balanced version has 2 pairs of balanced (XLR) input connectors and 
3 pairs of unbalanced (RCA) input connectors. The XLR inputs offer true balanced operation with 
more than 120 dB of common-mode rejection at 60 Hz. The Minotaur has high gain to 
accommodate a wide variety of signal sources. 
 

4.

 

Connect your speakers. Keep the speaker wires short and use the thickest gauge wire practical; 
the binding posts will accept up to 10 AWG wire (thicker wire has a lower AWG number). In 
most cases, the resistance of the speaker wire will set the damping factor of your system, rather 
than any characteristic of the amplifier itself. 14 gauge wire is a good compromise between low 
resistance and flexibility. Six feet of 14 gauge wire has about 40 milliohms of resistance and will 
degrade the system damping factor by a factor of 2. 
 

5.

 

Connect the power cord to a 3-wire grounded outlet. The Minotaur is designed to operate on a 
120 V, 60 Hz line. It normally draws about 70 - 160 watts, but can draw as much as 600 watts at 
maximum output. For safety reasons, it must be connected to a 3-wire grounded outlet. Never 
defeat the safety ground on the amplifier! 
 

Содержание Minotaur

Страница 1: ...TAVISH DESIGN LLC Made in U S A Minotaur Direct Coupled Hybrid Vacuum Tube Amplifier Quick Start Guide and Owner s Manual ...

Страница 2: ...e 8 4 4 System Status Indication Fault Modes 9 4 5 Wireless Remote Control 9 4 6 Toroidal Transformer 10 4 7 Troubleshooting Grounding Noise Issues 10 5 Maintenance and Vacuum Tube Replacement 11 6 Warranty and Service 13 7 Copyright Trademark and Disclaimers 14 Please take time to read the Quick Start and Safety Considerations and also Section 4 1 otherwise you ll never know about High Bias Mode ...

Страница 3: ...d metal equipment rack the antenna may have trouble receiving signals and the remote control range may be limited See section 4 5 if you have this problem 3 Connect signal sources to the rear inputs The Minotaur accepts line level analog signals such as the output of an audio DAC or disk player The standard version has 5 pairs of unbalanced RCA input connectors The balanced version has 2 pairs of ...

Страница 4: ...ls 7 About 60 seconds after the ON OFF button is pushed the yellow warmup LED will turn green ready and the output relay will close indicating that the amplifier is ready to use Adjust the volume control after the green ready LED is glowing since the Minotaur won t pass any signal until then The MUTE button is useful for temporarily muting the output without adjusting the volume control 8 The remo...

Страница 5: ...o enter the amplifier by placing the unit next to an open window for instance 4 A broken or improperly seated vacuum tube can cause electric shock Do not operate the amplifier if any vacuum tubes have broken glass shells Align the tubes if any are leaning or not fully seated prior to operating the amplifier Vacuum tubes get hot so allow them to cool before handling 5 To avoid electric shock do not...

Страница 6: ...ability of vacuum tubes and the high current delivery capability of transistors allowing the tubes and transistors to do what each does best And the Minotaur is direct coupled from the input stage to the output avoiding the use of coupling capacitors at high signal levels where they can cause slow recovery from overload transients 1 The Minotaur is one of very few hybrids on the market to directly...

Страница 7: ...full rated power Input Impedance 50 kΩ Output Impedance Damping Factor 40 mΩ at 1 kHz equivalent to a damping factor of 250 Bandwidth 3 Hz 150 kHz 3 dB ref 1 W 1 kHz unbalanced inputs 3 Hz 80 kHz 3dB ref 1W 1 kHz balanced inputs Size 17 2 wide 17 deep 6 high Weight 34 lbs 42 lbs shipping weight Power Consumption 120 V 60 Hz 70 160 W typical 600 W maximum 1 W standby Tube Complement 5751 or 12AX7 x...

Страница 8: ...hen it is operated in high bias mode You may notice the cooling fan come on if ambient temperatures are high or ventilation is suboptimal The bias point in normal mode has been selected carefully in both listening tests and measurements as a good compromise between performance and heat production there is minimal improvement with increased bias and most listeners do not notice any difference with ...

Страница 9: ...ittle air can circulate the amplifier will get quite warm and may overheat Bias Mode Expected Temperature Rise Above Ambient With Adequate Ventilation Expected Maximum External Cabinet Temperature Assuming 80 F 27 C Ambient Normal 30 35 F 16 19 C 115 F 46 C High 35 40 F 19 22 C 120 F 49 C In high bias mode with adequate ventilation and an 80 F 27 C ambient the external cabinet may reach 120 F 49 C...

Страница 10: ...dicates that automatic power off mode has been disabled See Section 4 2 Flashes four times quickly on turn on Off Indicates that automatic power off mode has just been enabled See Section 4 2 Flashes once every second for a minute Off then On after SLEEP occurs In automatic power off mode an indication that the amplifier is about to go to SLEEP because no input signal is detected Apply a signal or...

Страница 11: ...p as the core magnetizes This may or may not happen depending on which phase of the AC cycle it starts on The vibration will subside by the end of the warmup sequence 4 7 TROUBLESHOOTING GROUNDING AND NOISE HUM ISSUES The Minotaur produces exceptionally low noise and if hum can be heard from the speaker there is probably ground current induced noise sometimes called a ground loop With the volume c...

Страница 12: ...ing 5 2 VACUUM TUBE REPLACEMENT Although the lifetime of any particular tube is impossible to predict vacuum tubes last much longer than most people think Hopefully it will be many years before you have to replace a tube in the Minotaur as long as the amplifier is not left on continuously The system microcontroller monitors output offset voltage which will probably be the first sign that a tube ne...

Страница 13: ...ect a voltmeter set to the 1V range or higher to the output turn on the amplifier and wait for it to warm up Adjust the offset trimmer until the voltmeter reads zero then move to a more sensitive scale You should be able to adjust the offset to 0 02V or less although it is normal for the offset to drift within a 0 05V range Allow the amplifier to operate for at least 30 minutes before making the f...

Страница 14: ...power surges or acts of God Use of parts not obtained from Tavish Design may void this warranty This warranty is limited to the replacement or repair of this product and not to damage to equipment of other manufacturers Any applicable implied warranties including warranty of merchantability are limited in duration to a period of the express warranty as provided herein beginning with the original d...

Страница 15: ...DEMARK AND DISCLAIMERS Copyright Tavish Design LLC 2014 2015 All rights reserved No part of this document may be reproduced by any means or translated to other languages without prior written consent of Tavish Design LLC Tavish Design is a registered trademark of Tavish Design LLC Tavish Design is continuously improving its products and reserves the right to make changes to its products without in...

Отзывы: