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Table of Contents
THÖRESS
Hybrid Triode . Integrated Amplifier
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"EHT Integrated"
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I N S T R U C T I O N
M A N U A
L..............
Thank you for purchasing the
Hybrid Triode Integrated Amplifier!
THÖRESS
Our Integrated offers 2x20 watts of output power into a 6 ohm load combined with
very low output resistance (high damping factor). Such providing excellent drive
capability for loudspeakers with medium to low efficiency or with critically low
impedance which may present a challenge for our all-tube single-ended triode
amplifier models.
The amplifier is built with meticulous hand construction using our proven point-to-
point wiring techniques, whereas much care has been taken in arranging each aspect
of the internal construction to ensure low noise performance, ease of service and
the highest reliability for many years to come. Please read the following explanations
and instructions carefully to get the most out of your EHT Integrated Amplifier!
TUBES
The vacuum tube gain section of the EHT Integrated has been tailored around the
6J5GT tube, a highly linear medium-gain octal base triode with fairly low
transconductance from the early times of tube electronics. The amplifier comes with
a set of tubes which have been carefully tested and hand-picked to meet tight
specifications.
The use of tubes with questionable characteristics may lead to a degraded sonic and
signal-to-noise performance. Even serious circuit damage may occur in worst case
scenarios!
BASS BOOST FUNCTIONS
The EHT Integrated Amplifier MKII (launched in October 2022) includes two novel
bass boost presets selectable via a 3-position toggle switch (B1 > boost style-1, B2 >
bass boost style-2). When the switch rests in middle position the tonality of the
amplifier is neutral (flat frequency response).
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Related Manuals for THÖRESS EHT Integrated Amplifier MKII
Summary of Contents for THÖRESS EHT Integrated Amplifier MKII
- Page 1 BASS BOOST FUNCTIONS The EHT Integrated Amplifier MKII (launched in October 2022) includes two novel bass boost presets selectable via a 3-position toggle switch (B1 > boost style-1, B2 > bass boost style-2). When the switch rests in middle position the tonality of the...
- Page 2 The bass boost functions are useful for a variety of applications: For equalizing loudspeaker components with slim bass response or limited bass extension. For adjusting the bass response of the system to the acoustical conditions of the listening environment (small loudspeakers in large rooms!). For restoring tonal imperfections of the listening program (often given by a lack of bass extension).
- Page 3 The EHT Integrated Amplifier is a class-A device which runs hot after a few minutes of service. It requires adequate ventilation for safe operation! 6. Connect the amplifier to the loudspeakers. 7. Connect the amplifier to program sources and/or a phono preamplifier. 8.
- Page 4 230Vac (115Vac via jumper setting), 100Vac (Japan), 220Vac (South-Korea, China, Thailand, Indonesia) or 245Vac (Australia). • Full hand construction, point-to-point wiring throughout. • Non-magnetic aluminum casework, anodized printing on front and rear panel, powder-coated lids. • Dimensions 434x450x184 mm, 184=20 (feet)+134+30 (tubes over case), •...
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