About 6 Trademarks found that are owned by Monacor International Gmbh & Co Kommanditgesellschaft

Physical and chemical measuring instruments, namely, digital RMS meter; digital multimeter; digital automatic multimeter; automatic digital pocket multimeter; professional single range voltagemeter; professional multimeter; digital thermometer; infrared thermometer; professional digital thermometer; digital logic probe; battery tester; universal battery tester; analog multimeter; electronic FET multimeter; digital LOR meter; digital clamp-on multimeter; candela meter; digital capacitance meter; sound level meter; moisture meter; humidity meter; acid meter; grade of hardness meter instruments to carry out measurements and investigations in industry and laboratories same as above mentioned; optical, electric, electronic and electroaccustic apparatus, namely - magnifying glasses, microscopes, field glasses, telescopes, audio piezzo transducer, piezzo buzzer, all kinds of loudspeakers with and without cabinets; wireless transmitters and receivers, and aerials, namely - wireless audio and video transmitter and receiver; TV antenna; CB antenna; RF antenna; satellite antenna; universal car antenna automatic car antenna; alarms, surveying, nautical, weighing signaling, measuring and monitoring apparatus, namely - observation systems, video switcher, control units, pan-tilt heads, infrared floodlight, video multiplexer, time-laps video recorders, video quad processor, video motion detectors, electronic alarm sirens, strobe lights, heat sensor, smoke detectors, glass break detectors, vibration detectors, infrared detectors, infrared motion detectors, audio piezzo transducer, piezzo buzzer, camera switchers, color monitors, TFT active matrix LCD color monitor, plasma screens, black and white monitors, CCTV black and white cameras, video TV modulators, audio and video transmission systems, camera transmitter, CCTV color camera modules, CCTV color cameras, camera dummies, CCTV black and white cameras, wireless alarm centrals, alarm system sets, infrared reflection light barrier, code keypads, alarm centrals; photographic, film, radio and television apparatus, namely - film projector, slide projector, television sets, video recorders, receivers, tuners, car radios, car TV;telecommunication equipment, namely - telephone dialing units, telephone wall sockets, telephone junction boxes, ISDN Y-adapter, ISDN wall socket, telephone extension cables, wired and wireless telephones, electric special effect apparatus for stages, discotheques and theatres; electric mist generators, screen monitors, CD players, minidisk players, DVD players, audio recording and reproduction apparatus for processing and reproduction data-reduced audio signals; video-electronics apparatus, musical electronics apparatus, namely -amplifiers, sound analyzer; accessories for musical instruments, head sets, loudspeaker chassis, separating filters for loudspeakers, loudspeaker boxes, loudspeaker boxes mounted on rollers, power amplifiers, audio and video mixers, apparatus for audio and video effects, namely - noise squelches, signal compressors, volume limiters, light effect generating apparatus, light effect mixers, and light effect power amplifier modules; computers and peripherals; computer software for loudspeaker testing, sound analyzing, music recording and editing, sound studios; audio CD's; all datas stored on data carriers - namely, samplers, MPEG files, libraries, various information for customers such as catalogues, price lists, technical specifications; electric cash registers, printing cash registers, supports and stands for all of the above; electric connecting cables; optical wave guides; distribution boxes for electric control, audio and video signals as well as for low and high voltage; apparatus and cables for the processing of light, audio and video signals; power supplies, power distribution units and connectors, accessories for the above mentioned goods, namely - housings, cleaning cassettes for audio and video equipment, cleaning brushes for records, protective camera housings, cable storage containers, batteries, accumulators and the corresponding recharging units, adapted racks and trolleys mounted on rollers for electronic equipment; electric automobile equipment, namely - car boosters, power capacitors, passive and electronic crossover networks, engine noise filters, car alarm systems, navigation systems, car CD changers, car televisions, car telephones, holders for fuses, distributors, connecting terminals; supports and tripods for microphones, for loudspeakers and for electronic equipment; guitar microphones and sound pick-up systems, amplifiers for guitar and other musical instruments, portable or mounted on rollers; projectors; electrical components, namely - flashing LED; miniature LED; dual LED; snap-in LED; electric plug connectors, switches, transformers, slide switches, miniature slide switches, rocker switches, miniature rocker switches, toggle switches, miniature toggle switches, push switches, miniature push switches, momentary push switches, miniature momentary push switches, foot switches, miniature foot switches, rotary switches, rotary switches in steps, illuminated push switches, switches and momentary action buttons with LEDs, potentiometers for mono and stereo in linear and logarithmic with and without clicks, relays and miniature relays for DC/AC, fuses, fuse holder and flexible safety cover, cable fuse holder, automatic reset-circuit breaker, panel meters, signaling bulbs, phono connectors, phono chassis jacks, XLR plugs and jacks, 6 point 3mm mono and stereo plugs and jacks, 3 point 5mm mono and stereo plugs and inline jacks, RF plugs and jacks, multiplug and inline jacks, F standard connectors, DIN plugs and jacks, adapters for all the above mentioned

Musical instruments-- electronic effect apparatus for musical instruments, namely electronic apparatus to modify and change audio signals, effect pedals, bass flanger, stereo flanger, chorus, stereo chorus, noise gate, reverb, limiter, feedback suppressor, amp modeling, digital delay, tube sound, bass distortion, auto wah wah, manual wah wah, tube drive, phaser, parametric-equalizer, overdrive, octave sound, metal master, fuzz, distortion effect, bass compressor, compressor, stereo-analog-delay, MIDI-processor, sound effect assistants for musical instruments, electronic sound effect assistants for musical instruments; guitar strings-- supports and tripods; musical electronics apparatus; parts and accessories for all aforementioned goods

Physical and chemical measuring instruments, namely, digital root-mean-square meter; digital multimeter; digital automatic multimeter; automatic digital pocket multimeter; professional single range voltagemeter; professional multimeter; digital thermometer; infrared thermometer; professional digital thermometer; digital logic probe; battery tester; universal battery tester; analog multimeter; electronic field-effect transistor multimeter; digital inductance capacitor resistance meter; digital clamp-on multimeter; candela meter; digital capacitance meter; sound level meter; moisture meter; humidity meter; acid meter; grade of hardness meter instruments to carry out measurements and investigations in industry and laboratories same as above mentioned; optical, electric, electronic and electroaccustic apparatus, namely, magnifying glasses, microscopes, field glasses, telescopes, audio piezzo transducer, piezzo buzzer, all kinds of loudspeakers with and without cabinets; wireless transmitters and receivers, and aerials, namely, wireless and wired audio and video transmitter and receiver; television antenna; citizen's band antenna; radio frequency antenna; satellite antenna; universal car antenna; automatic car antenna; alarms, surveying, nautical, weighing signaling, video switcher, control units, pan-tilt heads, video multiplexer, time-laps video recorders, video quad processor, video motion detectors, electronic alarm sirens, heat sensor, smoke detectors, glass break detectors, vibration detectors, infrared detectors, infrared motion detectors, audio piezzo transducer, piezzo buzzer, camera switchers, color monitors, thin film transistor active matrix liquid crystal display color monitor, plasma screens, black and white monitors, closed circuit television black and white cameras, video television modulators, camera transmitter, closed circuit television color camera modules, closed circuit television color cameras, camera dummies, closed circuit television black and white cameras, wireless alarm centrals, alarm system sets, infrared reflection light barrier, code keypads, alarm centrals; photographic, film, radio and television apparatus, namely, film projector, slide projector, television sets, video recorders, receivers, tuners, car radios, car televisions; telecommunication equipment, namely, telephone dialing units, telephone wall sockets, telephone junction boxes, integrated services digital network Y-adapter, integrated services digital network wall socket, telephone extension cables, wired and wireless telephones, electric special effect apparatus for stages, discotheques and theatres; electric mist generators, screen monitors, compact disc players, minidisk players, digital versatile disk players, audio recording and reproduction apparatus for processing and reproduction data-reduced audio signals; video-electronics apparatus, musical electronics apparatus, namely, amplifiers, sound analyzer; accessories for musical instruments, head sets, loudspeaker chassis, separating filters for loudspeakers, loudspeaker boxes, loudspeaker boxes mounted on rollers, power amplifiers, audio and video mixers, apparatus for audio and video effects, namely, noise squelches, signal compressors, volume limiters, light effect generating apparatus, light effect mixers, and light effect power amplifier modules; computers and peripherals; computer software for loudspeaker testing, sound analyzing, music recording and editing, sound studios; audio compact discs; all datas stored on data carriers, namely, samplers, MPEG files, libraries; electric cash registers, printing cash registers, supports and stands for all the above; electric connecting cables; optical wave guides; distribution boxes for electric control, audio and video signals as well as for low and high voltage; apparatus and cables for the processing of light, audio and video signals; power supplies, power distribution units and connectors, accessories for the above mentioned goods, namely, housings, cleaning cassettes for audio and video equipment, cleaning brushes for records, protective camera housings, cable storage containers, batteries, accumulators and the corresponding recharging units, adapted racks and trolleys mounted on rollers for electronic equipment; electric automobile equipment, namely, car boosters, power capacitors, passive and electronic crossover networks, engine noise filters, navigation systems, namely, global positioning systems and accessories, namely, antennas, receivers, thin film transistor active matrix liquid crystal display color monitors, black and white monitors, color monitors; car compact disc changers, car televisions, car telephones, holders for fuses, distributors, connecting terminals; supports and tripods for microphones, for loudspeakers and for electronic equipment; guitar microphones and sound pick-up systems, amplifiers for guitar and other musical instruments, portable or mounted on rollers; projectors; electrical components, namely, flashing light-emitting diodes; miniature light-emitting diodes; dual light-emitting diodes; snap-in light-emitting diodes; electric plug connectors, switches, transformers, slide switches, miniature slide switches, rocker switches, miniature rocker switches, toggle switches, miniature toggle switches, push switches, miniature push switches, momentary push switches, miniature momentary push switches, foot switches, miniature foot switches, rotary switches, rotary switches in steps, illuminated push switches, switches and momentary action buttons with light-emitting diodes, potentiometers for mono and stereo in linear and logarithmic with and without clicks, relays and miniature relays for DC/AC, fuses, fuse holder and flexible safety cover, cable fuse holder, automatic reset-circuit breaker, panel meters, signaling bulbs, phono connectors, phono chassis jacks, connector series latch rubber plugs and jacks, 6;3mm mono and stereo plugs and jacks, 3;5mm mono and stereo plugs and inline jacks, radio frequency plugs and jacks, multiplug and inline jacks, farad standard connectors, German industrial standard plugs and jacks, adapters for all the above mentioned; light projectors; scanners; kaleidoscope; stroboscope; computer controlled light apparatus; computer controlled light mixers; light control apparatus and parts; electronic effect apparatus for musical instruments, namely electronic apparatus to modify and change audio signals, effect pedals, bass flanger, stereo flanger, chorus, stereo chorus, noise gate, reverb, limiter, feedback suppressor, amp modeling, digital delay, tube sound, bass distortion, auto wah wah, manual wah wah, tube drive, phaser, parametric-equalizer, overdrive, octave sound, metal master, fuzz, distortion effect, bass compressor, compressor, stereo-analog-delay, MIDI-processor, sound effect assistants for musical instruments, electronic sound effect assistants for musical instruments; musical electronics apparatus, namely, dynamic processors, mainframes, effect processors, multi-effect processors, suppressor and parametric equalizers, multifunction feedback suppressors, compressor and leveler and loudness maximizer surround processors, ultra-linear sample rate and format converters and jitter removers, 8-channel tube interfaces, 4-band parametric tube equalizers, interactive tube dynamic processors, tube microphone and line preamplifiers, tube multiband sound enhancement amplifiers, expanders, enhancers, digital sub-harmonic synthesizers with limiter, multiband audio devices, stereo three dimensional processors with correlation meter, multiband sound enhancement devices; electronic synthesizers, computer keyboards

Musical instruments, namely, guitars, flutes, horns, drums, drum-sets, harps, violins, trumpets, pianos, organs, basses, double basses, harmonicas, accordions, triangles, castanets, xylophones, transverse flutes, oboes, tambourines, violas, trombones, saxophones, clarinets, ukuleles, banjoes, percussions, bassoons, electronic musical keyboards, electric guitars, electrical bass guitars, electronic drums; guitar strings; supports and tripods; parts and accessories, namely, musical instrument stands, musical keyboard stands, carrying cases for musical instrument and musical keyboards, wall brackets for guitars, piano thrones, drum thrones

Musical instruments, namely, guitars, flutes, horns, drums, drum-sets, harps, violins, trumpets, pianos, organs, basses, double basses, harmonicas, accordions, triangles, castanets, xylophones, transverse flutes, oboes, tambourines, violas, trombones, saxophones, clarinets, ukuleles, banjoes, percussions, bassoons, electronic musical keyboards, electric guitars, electrical bass guitars, electronic drums; guitar strings; supports and tripods; parts and accessories, namely, musical instrument stands, musical keyboard stands, carrying cases for musical instrument and musical keyboards, wall brackets for guitars, piano thrones, drum thrones

Color is claimed as a feature of the mark as follows - the top "M" is red. The bottom shadow is gray. The word "MONACOR" is black.

musical instruments, namely, guitars, flutes, horns, drums, drum-sets, harps, violins, trumpets, pianos, organs, basses, double basses, harmonicas, accordions, triangles, castanets, xylophones, transverse flutes, oboes, tambourines, violas, trombones, saxophones, clarinets, ukuleles, banjoes, percussions, bassoons, electronic musical keyboards, electric guitars, electrical bass guitars, electronic drums; guitar strings - supports and tripods; parts and accessories, namely, musical instrument stands, musical keyboard stands, carrying cases for musical instrument and musical keyboards, wall brackets for guitars, piano thrones, drum thrones

Color is claimed as a feature of the mark as follows - the rectangle surrounding the mark is light blue; the word "NUMBER" is slate blue; the word one is light gray; and the words of "MONACOR" are black.

Color is claimed as a feature of the mark as follows - the background is gray; the letters "CARPOWER" are white and outlined in black; the words by "MONACOR" are black and the line under "OWER" is red.

Physical and chemical measuring instruments, namely, digital RMS meter; digital multimeter; digital automatic multimeter; automatic digital pocket multimeter; professional single range voltagemeter; professional multimeter; digital thermometer; infrared thermometer; professional digital thermometer; digital logic probe; battery tester; universal battery tester; analog multimeter; electronic FET multimeter; digital LOP meter; digital clamp-on multimeter; candela meter; digital capacitance meter; sound level meter; moisture meter; humidity meter; acid meter; grade of hardness meter instruments to carry out measurements and investigations in industry and laboratories same as above mentioned; optical, electric, electronic and electroaccustic apparatus, namely, magnifying glasses, microscopes, field glasses, telescopes, audio piezzo transducer, piezzo buzzer, all kinds of loudspeakers with and without cabinets; wireless transmitters and receivers, and aerials, namely, wireless audio and video transmitter and receiver; TV antenna; CB antenna; RF antenna; satellite antenna; universal car antenna; automatic car antenna; alarms, surveying, nautical, weighing signaling, measuring and monitoring apparatus, namely, observation systems, video switcher, control units, pan-tilt heads, infrared floodlight, video multiplexer time-laps video recorders, video quad processor, video motion detectors, electronic alarm sirens, strobe lights, heat sensor, smoke detectors, glass break detectors, vibration detectors, infrared detectors, infrared motion detectors, audio piezzo transducer, piezzo buzzer, camera switchers, color monitors, TFT active matrix LCD color monitor, plasma screens, black and white monitors, CCTV black and white cameras, video TV modulators, audio and video transmission systems, camera transmitter, CCTV color camera modules, CCTV color cameras, camera dummies, CCTV black and white cameras, wireless alarm centrals, alarm system sets, infrared reflection light barrier, code keypads, alarm centrals; photographic, film, radio and television apparatus, namely, film projector, slide projector, television sets, video recorders, receivers, tuners, car radios, car TV; telecommunication equipment, namely-- telephone dialing units, telephone wall sockets, telephone junction boxes, ISDN Y-adapter, ISDN wall socket, telephone extension cables, wired and wireless telephones, electric special effect apparatus for stages, discotheques and theatres; electric mist generators, screen monitors, CD players minidisk players, DVD players, audio recording and reproduction apparatus for processing and reproduction data-reduced audio signals; video-electronics apparatus, musical electronics apparatus, namely, amplifiers, sound analyzer; accessories for musical instruments, head sets, loudspeaker chassis, separating filters for loudspeakers, loudspeaker boxes, loudspeaker boxes mounted on rollers, power amplifiers, audio and video mixers, apparatus for audio and video effects, namely, noise squelches, signal compressors, volume limiters, light effect generating apparatus, light effect mixers, and light effect power amplifier modules; computers and peripherals; computer software for loudspeaker testing, sound analyzing, music recording and editing, sound studios; audio CD's; all datas stored on data carriers, namely, samplers, MPEG files, libraries, various information for customers such as catalogues, price lists, technical specifications; electric cash registers, printing cash registers, supports and stands for all of the above; electric connecting cables; optical wave guides; distribution boxes for electric control, audio and video signals as well as for low and high voltage; apparatus and cables for the processing of light, audio and video signals; power supplies, power distribution units and connectors, accessories for the above mentioned goods, namely, housings, cleaning cassettes for audio and video equipment, cleaning brushes for records, protective camera housings, cable storage containers, batteries, accumulators and the corresponding recharging units, adapted racks and trolleys mounted on rollers for electronic equipment; electric automobile equipment, namely, car boosters, power capacitors, passive and electronic crossover networks, engine noise filters, car alarm systems, navigation systems, car CD changers, car televisions, car telephones, holders for fuses, distributors, connecting terminals; supports and tripods for microphones, for loudspeakers and for electronic equipment; guitar microphones and sound pick-up systems, amplifiers for guitar and other musical instruments, portable or mounted on rollers; projectors; electrical components, namely-- flashing LED; miniature LED; dual LED; snap-in LED; electric plug connectors, switches, transformers, slide switches, miniature slide switches, rocker switches, miniature rocker switches, toggle switches, miniature toggle switches, push switches, miniature push switches, momentary push switches, miniature momentary push switches, foot switches, miniature foot switches, rotary switches, rotary switches in steps, illuminated push switches, switches and momentary action buttons with LEDs, potentiometers for mono and stereo in linear and logarithmic with and without clicks, relays and miniature relays for DC/AC, fuses, fuse holder and flexible safety cover, cable fuse holder, automatic reset-circuit breaker, panel meters, signaling bulbs, phono connectors, phono chassis jacks, XLR plugs and jacks 6;3mm mono and stereo plugs and jacks, 3;5mm mono and stereo plugs and inline jacks, RF plugs and jacks, multiplug and inline jacks, F standard connectors, DIN plugs and jacks, adapters for all the above mentioned

The mark consists of a stylized letter "M" in front of a rectangle. Color is claimed as a feature of the mark. The "M" is white and the rectangular background is blue.

Physical and chemical measuring instruments, namely, digital root-mean-square meter; digital multimeter; digital automatic multimeter; automatic digital pocket multimeter; professional single range voltagemeter; professional multimeter; digital thermometer; infrared thermometer; professional digital thermometer; digital logic probe; battery tester; universal battery tester; analog multimeter; electronic field-effect transistor muItimeter; digital inductance capacitor resistance meter; digital clamp-on multimeter; candela meter; digital capacitance meter sound level meter; moisture meter; humidity meter; acid meter; grade of hardness meter instruments to carry out measurements and investigations in industry and laboratories same as above mentioned; optical, electric, electronic and electroaccustic apparatus, namely-- magnifying glasses, microscopes, field glasses, telescopes, audio piezzo transducer, piezzo buzzer, all kinds of loudspeakers with and without cabinets; wireless transmitters and receivers, and aerials, namely-- wireless and wired audio and video transmitter and receiver; television antenna; citizen's band antenna; radio frequency antenna; satellite antenna; universal car antenna; automatic car antenna; multipurpose alarms not for vehicles, namely anti-intrusion alarms, burglar alarms, fire alarms, and theft alarms; surveying, namely, surveillance equipment consisting of monitors, cameras, cables and speakers; nautical, namely, marine radios and marine loud speakers, signaling equipment for indicating acoustical signals and optical signals; video switcher, control units, pan-tilt heads, video multiplexer, time-laps video recorders, video quad processor, video motion detectors, electronic alarm sirens, heat sensor, smoke detectors, glass break detectors, vibration detectors, infrared detectors, infrared motion detectors, audio piezzo transducer, piezzo buzzer, camera switchers, color monitors, thin film transistor active matrix liquid crystal display color monitor, plasma screens, black and white monitors, closed circuit television black and white cameras, video television modulators, camera transmitter, closed circuit television color camera modules, closed circuit television color cameras, camera dummies, closed circuit television black and white cameras, wireless alarm centrals, alarm system sets, infrared reflection light barrier, code keypads, alarm centrals; photographic, film, radio and television apparatus, namely-- film projector, slide projector, television sets, video recorders, receivers, tuners, car radios, car televisions; telecommunication equipment, namely-- telephone dialing units, telephone wall sockets, telephone junction boxes, integrated services digital network Y-adapter, integrated services digital network wall socket, telephone extension cables, wired and wireless telephones, electric special effect apparatus for stages, discotheques and theatres; electric mist generators, screen monitors, compact disc players, minidisk players, digital versatile disk players, audio recording and reproduction apparatus for processing and reproduction data-reduced audio signals; musical electronics apparatus, namely-- amplifiers, sound analyzer, head sets, loudspeaker chassis, separating filters for loudspeakers, loudspeaker boxes, loudspeaker boxes mounted on rollers, power amplifiers, audio and video mixers, apparatus for audio and video effects, namely-- noise squelches, signal compressors, volume limiters, light effect generating apparatus, light effect mixers, and light effect power amplifier modules; computers and peripherals; computer software for loudspeaker testing, sound analyzing, music recording and editing, sound studios; audio compact discs; all datas stored on data carriers-- namely, samplers, MPEG files, libraries; electric cash registers, printing cash registers, supports and stands for all of the above; electric connecting cables; optical wave guides; distribution boxes for electric control, audio and video signals as well as for low and high voltage; apparatus and cables for the processing of light, audio and video signals; power supplies, power distribution units and connectors, accessories for the above mentioned goods, namely-- housings, cleaning cassettes for audio and video equipment, cleaning brushes for records, protective camera housings, cable storage containers, batteries, accumulators and the corresponding recharging units, adapted racks and trolleys mounted on rollers for electronic equipment; electric automobile equipment, namely-- car boosters, power capacitors, passive and electronic crossover networks, engine noise filters, navigation systems, namely, global positioning systems and accessories, namely, antennas, receivers, thin film transistor active matrix liquid crystal display color monitors, black and white monitors, color monitors; car compact disc changers, car televisions, car telephones, holders for fuses, distributors, connecting terminals; supports and tripods for microphones, for loudspeakers and for electronic equipment; sound pick-up systems, namely, piezzo electrical, dynamical, capacitive sound transducers, instrument microphones, electromagnetic and ceramic pickups for guitars, universal sound pickup microphones; amplifiers for guitar and other musical instruments, portable or mounted on rollers; projectors; electrical components, namely-- flashing light-emitting diodes; miniature light-emitting diodes; dual light-emitting diodes; snap-in light-emitting diodes; electric plug connectors, switches, transformers, slide switches, miniature slide switches, rocker switches, miniature rocker switches, toggle switches, miniature toggle switches, push switches, miniature push switches, momentary push switches, miniature momentary push switches, foot switches, miniature foot switches, rotary switches, rotary switches in steps, illuminated push switches, switches and momentary action buttons with light-emitting diodes, potentiometers for mono and stereo in linear and logarithmic with and without clicks, relays and miniature relays for DO/AC, fuses, fuse holder and flexible safety cover, cable fuse holder, automatic reset-circuit breaker, panel meters, signaling bulbs, phono connectors, phono chassis jacks, connector series latch rubber plugs and jacks, 6 point 3mm mono and stereo plugs and jacks, 3 point 5mm mono and stereo plugs and inline jacks, radio frequency plugs and jacks, multi plug and inline jacks, farad standard connectors, German industrial standard plugs and jacks, adapters for all the above mentioned; light projectors; scanners; kaleidoscope; stroboscope; computer controlled light mixers; computer controls for electric lights and parts thereof; electronic effect apparatus for musical instruments, namely electronic apparatus to modify and change audio signals, effect pedals, bass flanger, stereo flanger, chorus, stereo chorus, noise gate, reverb, limiter, feedback suppressor, amp modeling, digital delay, tube sound, bass distortion, auto wah wah, manual wah wah, tube drive, phaser, parametric-equalizer, overdrive, octave sound, metal master, fuzz, distortion effect, bass compressor, compressor, stereo-analog-delay, MIDI-processor, sound effect assistants for musical instruments, electronic sound effect assistants for musical instruments; musical electronics apparatus, namely, dynamic processors, mainframes, effect processors, multi-effect processors, suppressor and parametric equalizers, multifunction feedback suppressors, compressor and leveler and loudness maximizer surround processors, ultra-linear sample rate and format converters and jitter removers, 8-channel tube interfaces, 4-band parametric tube equalizers, interactive tube dynamic processors, tube microphone and line preamplifiers, tube multiband sound enhancement amplifiers, expanders, enhancers, digital sub-harmonic synthesizers with limiter, multiband audio processor, stereo three dimensional processors with correlation meter, multiband sound enhancers; electronic low frequency and radio frequency synthesizers, computer keyboards