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 Thermionic Culture Ltd. 2021 

CONTENTS 

 

Section Page 
 

 

 1  Introduction

 3 

 2  Controls 

Meters

 4 

  2.1 

Drive 

  2.2 

Output 

Level 

 

 

2.3 

Bias (and meter use) 

  2.4 

Function 

Switch 

  2.5 

Filter 

  2.6 

Presence 

               2.7 

Bypass 

 

General Operational Hints

 6 

 

Inputs and Outputs 

8

 

 

Servicing and Maintenance 

  5.1 

Valves 

 

 

5.2 

Operating voltage / Fuse 

10 

 

6 Specification

 11 

 

Содержание The ULTRA Vulture

Страница 1: ......

Страница 2: ...itors are discharged after the mains supply has been disconnected and the covers have been removed In the event that this unit has been dropped or has suffered an impact an electrical safety test must...

Страница 3: ...ols Meters 4 2 1 Drive 4 2 2 Output Level 4 2 3 Bias and meter use 4 2 4 Function Switch 5 2 5 Filter 5 2 6 Presence 5 2 7 Bypass 5 3 General Operational Hints 6 4 Inputs and Outputs 8 5 Servicing and...

Страница 4: ...distortion effects Push it and try it The user has total control over the type and amount of distortion which can be changed from even to odd harmonics or a combination of both Starved the sound from...

Страница 5: ...o keep overall levels where they are desired 2 2 Output Level Again this control is in 2 parts a switch 10dB and a rotary control This controls the signal going to the output valve Usually it s advisa...

Страница 6: ...ics are suddenly added and at higher levels over compression will occur and dynamics are inverted P3 is a very distorted sort of pentode Rectifying effects can be obtained when lowering the Bias and t...

Страница 7: ...mth and size of the audio and can be used to reduce unwanted transient peaks much like a limiter resulting in a louder sounding output On the P2 P3 settings a characteristic of the type of valve used...

Страница 8: ...only expect an unchanged stereo picture when the Function switch is set to T or P1 positions Little chance on P2 P3 position but that may not necessarily be undesirable N B You may find that to obtai...

Страница 9: ...e Line input All jacks are gold plated for best connectivity Always use twin screened balanced cable when connecting line inputs and outputs There should be no problem whatsoever when connecting line...

Страница 10: ...ace The unit can be powered up safely without the top on provided that the screening plate above the circuit board is not removed and reasonable care is taken not to touch exposed connections but don...

Страница 11: ...sounds from each side some of our old customers prefer it Valve complement equivalents in brackets nearest 1st Input 2 x 5654 M8100 CV 4010 EF95 Distortion 2 x 5725 6AS6W CV 4011 6AS6 Output 1 x 5963...

Страница 12: ...D 0 2 Frequency response 20 Hz to 25 kHz 1dB Max Output Level MOL 19 dBm 2 distortion Gain available 46dB line 52dB DI input Noise 90 dB below MOL 2 B Maximum Figures Distortion THD 98 MOL 24 dBm 20 d...

Страница 13: ...Thermionic Culture Ltd Harlow Essex UK Tel 44 0 1279 414770 email technical thermionicculture com Thermionic Culture Ltd 2021 Printed in UK...

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