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Summary of Contents for The ULTRA Vulture

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Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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