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Summary of Contents for Thermionic Culture The ULTRA Vulture
- Page 2 The Ultra Vulture, though valve based, does not run exceptionally hot. Other equipment can be mounted in the rack directly above and below it, as long as the rack is well ventilated and the ventilation slots are not obstructed.
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Page 3: Table Of Contents
CONTENTS Section Page Introduction Controls & Meters Drive Output Level Bias (and meter use) Function Switch Filter Presence Bypass General Operational Hints Inputs and Outputs Servicing and Maintenance Valves Operating voltage / Fuse Specification Thermionic Culture Ltd. 2021... -
Page 4: Introduction
THE ULTRA VULTURE takes the Culture Vulture to a new level making it more suitable for accurate stereo uses, including mastering, where extended frequency response, low noise and re-callability are of prime importance. -
Page 5: Controls & Meters
0.6 mA will shorten valve life. The best setting for low distortion is usually 0.25 - 0.3 mA (see test report for exact figures with valves supplied). Thermionic Culture Ltd. 2021... -
Page 6: Function Switch
4 dB. 2.7 Bypass This switch links the Line input to Line output directly, cutting out the electronics of the ULTRA Vulture. It does not function when using DI input or Output Lo jacks. Thermionic Culture Ltd. 2021... -
Page 7: General Operational Hints
DI-ing guitars. Of course, you can chain the 2 channels together, using ‘Overdrive’ on the first for extreme effects. Use the 'Filter’ switch to reduce unpleasant upper harmonics, especially useful when using 'P2’ & ‘P3’ effects. Thermionic Culture Ltd. 2021... - Page 8 N.B., You may find that to obtain a perfect stereo balance in both T and P1 settings, you may need to set Drive levels so that the 2 sides read slightly differently. This is quite normal and is due to component tolerances. Thermionic Culture Ltd. 2021...
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Page 9: Inputs And Outputs
The ULTRA Vulture is designed to work into equipment with an input impedance of at least 4kΩ. Nearly all equipment currently sold meets this requirement, though certain units still have 600 Ohm line inputs. -
Page 10: Servicing And Maintenance
The valve in the centre is the output valve and is a double triode common to both channels. This is very robust – the type 5963 has top marks for reliability. If you want to be sure, you can replace it with the common ECC82 (12AU7) Thermionic Culture Ltd. 2021... -
Page 11: Operating Voltage / Fuse
Output - 1 x 5963 (ECC802S, 6189, ECC82, 12AU7) 5.2 Operating voltage / Fuse The ULTRA Vulture is switch selectable to operate from either 230V or 115V 50/60Hz AC mains supply. NOTE: Mains fuses may be replaced in accordance with... -
Page 12: Specification
Distortion (THD): MOL: +24 dBm, 20%+ distortion Gain: 70dB (approx), P1, min. ‘Bias’. C) Impedances: Line Input: 20kΩ DI Input: 50kΩ Line Output 1kΩ Lo Output 4kΩ D) Power Consumption: E) Net Weight: 6 kg Thermionic Culture Ltd. 2021... - 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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