Crown

Professional power amplification, full stop

History

Crown International was founded in Elkhart, Indiana in 1947 by Clarence C. Moore, an amateur radio operator and engineer who built his first amplifier in a converted chicken coop. The company name "Crown" came from Moore's desire to make the "crown jewel" of audio equipment. Crown's early products were tube amplifiers for amateur radio and public address. The company established a reputation for conservative power ratings and exceptional reliability—characteristics that would define Crown for decades. The DC300 (1967) became the most influential solid-state power amplifier in history. Delivering 150 watts per channel (conservatively rated), the DC300 established solid-state as viable for professional audio. It remained in production for over 20 years. The Macro-Tech series (1980s-2000s) represented Crown's ultimate professional amplifiers. Used in concert sound systems worldwide, Macro-Tech amplifiers delivered massive power with the reliability that touring acts required. Crown also produced consumer products including the Power Line series, bringing professional quality to home audio. The company was acquired by Harman International in 2000.

Key Facts

Fact	Detail
Founded	1947, Elkhart, Indiana
Founder	Clarence C. Moore
First Location	Converted chicken coop
Most Influential	DC300 (1967)
Professional Standard	Macro-Tech series
Current Status	Part of Harman International

Legendary Products

Crown DC300 (1967)

The most influential solid-state power amplifier ever made. The DC300's conservative 150WPC rating, exceptional reliability, and clean sound established solid-state as the future of professional audio.

Crown D150 (1970s)

A smaller sibling to the DC300 that brought Crown quality to smaller applications. The D150 became popular in recording studios and home audio systems.

Crown Macro-Tech 1200 (1980s)

A professional amplifier delivering 400 watts per channel with exceptional reliability. The Macro-Tech series became the standard for concert sound systems.

Crown Power Line Four (1980s)

A consumer amplifier that brought Crown's professional engineering to home audio. The Power Line series offered DC300-derived performance in consumer packaging.

Sound Signature

Crown amplifiers deliver clean, effortless power with the kind of headroom that makes dynamic peaks feel unlimited. The legendary DC300, rated at a conservative 150 watts per channel, actually delivers significantly more in practice — Crown's engineering culture of understating specifications means you always have reserves in hand. The sound is neutral and transparent, with wide bandwidth and vanishingly low distortion that lets the source material come through without editorializing.

What sets Crown apart from consumer hi-fi amplifiers is their ability to drive any load without breaking a sweat. These were designed for touring sound systems where failure was not an option, and that over-engineering translates directly to home audio performance. The bass control is exceptional — tight, authoritative, and deep — while the midrange and treble are clean and extended without any harshness. Crown amplifiers do not add character to the music; they simply deliver whatever you feed them with absolute authority.

Collecting Crown

The DC300 is the essential Crown collectible — the amplifier that proved solid-state could serve professional audio, and one of the most influential power amplifiers ever designed. Its 20+ year production run means examples are available, but early units from the late 1960s carry the most historical significance. The D150, a smaller sibling, is the practical choice for home audio and found its way into many recording studios where it became the monitoring standard.

The Power Line series brought Crown's professional engineering to the consumer market, and the Power Line Four in particular offers DC300-derived performance in a more living-room-friendly package. For those with the space and ambition, Macro-Tech amplifiers from the 1980s and 1990s represent the ultimate Crown statement — these are serious professional tools that can drive virtually any speaker to its full potential. Crown's conservative power ratings mean that even modest-looking models deliver more real-world output than their specifications suggest.

Competitors & Comparisons

Crown vs Phase Linear: Both high-power; Crown more reliable Crown vs Bryston: Both professional; different markets Crown vs consumer amps: Crown professional heritage

Models

Professional Amplifiers

Crown - Professional Power — Founded by Clarence C. Moore in 1947 in Elkhart, Indiana. The standard for professional power amplifiers. Known for the DC300, Macro-Tech, and legendary reliability in demanding applications.

Amplifiers

800 Series (Various Models) (1970) — A family of high-performance professional audio components from Crown, including preamps, power supplies, and accessories, designed for modular integration and studio-grade reliability.
800-Series (1970) — A series of high-power professional audio amplifiers from Crown, known for reliability, durability, and clean output across multiple models introduced in the 1970s.
C-4 (1965) — Crown C-4 (1965) bookshelf speakers weigh just under 40 pounds and promise excellent sound reproduction — a rare, heavy-built pair from Crown's early hi-fi era.
CX-844 (1985) — Crown CX-844 — rare 4-track pro reel-to-reel tape recorder, $2500 new in 1976 with accessories, legendary among engineers
D-150 — Crown D-150A (1970s) stereo power amp: 80W/ch, DC-coupled, IOC distortion indicator, 11.4kg lab-grade solid-state design
D-150A (1975) — Crown D-150A (1970s) stereo power amp with 80W+80W, DC-20kHz response, and IOC distortion detection — a lab-grade workhorse for studio and home.
D-60 (1958) — Crown D-60 Dual Channel Power Amplifier — 35W/channel, 20Hz-20kHz, rugged anodized front. A compact solid-state workhorse from the 1970s.
D-75 (1958) — Crown D-75 (1978) 1U rack-mount stereo power amplifier with IOC distortion detection, 35WPC, fanless design — a pro audio classic
D-75A (1958) — A high-powered vacuum tube amplifier from Crown's early professional audio era, known for robust build and clean output.
DC-150 (1967) — Crown DC-150 (1967) power amp delivers 150W/channel in a rugged steel chassis—pioneer of solid-state audio with DC-coupled design and bridged-mono mode.
DC-150A (1972) — High-power solid-state stereo amplifier from Crown, known for reliability and professional-grade performance in the 1970s.
DC-300 (1971) — A groundbreaking solid-state power amplifier renowned for its reliability, power, and sonic clarity in both professional and high-fidelity audio applications.
DC-300A (1971) — Crown DC-300A (1971) power amplifier with 150W/channel, DC-coupled design, and forced air cooling — a professional solid-state workhorse.
GOLD CROWN STEREO X (1975) — High-power stereo amplifier from Crown's legendary Gold Crown series, known for robust performance and professional-grade reliability.
IC-150 (1973) — Crown IC-150 (1971–1977) preamp with 1Hz–100kHz response and panorama control — a transparent, ultra-low-noise vintage control center for serious audiophiles
IC-150A (1972) — Crown IC-150A (1976–1977) — 9.1 kg solid-state preamp with 3Hz–100kHz response and panorama control. A stealthy Crown classic.
M-2000 (1975) — A high-power external amplifier module designed for professional and high-end audio systems, part of Crown's modular M-series.
SA-2 (1957) — One of the earliest solid-state audio amplifiers, the Crown SA-2 marked a pivotal transition from vacuum tubes to transistors in professional audio.
SA-20-20 (1969) — Crown SA-20-20 solid-state stereo amplifier — 1.75-inch tall, 19-inch width, basic design. Paired with Crown 800 Series reel-to-reel decks.
Tube Power Amplifiers (1950) — Vintage tube amplifiers from Crown, known for early professional audio innovation and robust build quality.
XLS1502 — Crown XLS1502 Power Amplifier: 775W per channel, 11 lbs, DriveCore 2, DSP, and Speakon outputs. A pro-grade workhorse built for reliability.
XTI 6002 — A DSP-controlled power amplifier from Crown’s XTi Series.

Crossovers

PSA-2 (1970) — A pioneering active crossover and equalizer from Crown, designed to enhance speaker system performance in professional and high-end audio applications.

Equalizers

C-8 (1960) — A pioneering passive audio equalizer and tone control unit from Crown, designed for precision sound shaping in early hi-fi and professional audio systems.
CX-724 (1995) — A professional-grade 2U rackmount equalizer designed for live sound and studio applications, part of Crown's reliable CX series.
EQ-2 (1975) — A professional-grade stereo equalizer from the 1970s, the Crown EQ-2 offered precise tone shaping for studio and high-end audio systems.
ES26 (1978) — A professional-grade 1/3-octave graphic equalizer from the late 1970s designed for live sound and studio applications.

Speakers

COMPACT-LOUDSPEAKERS (1970) — A compact public address speaker system from Crown, designed for clarity and durability in commercial and institutional environments.
ES14 (1978) — A classic near-field studio monitor from the late 1970s, designed for accurate audio reproduction in professional environments.
ES212 (1972) — A rare and innovative passive loudspeaker system designed by Crown for high-efficiency sound reinforcement applications.
POWER-LINE-ONE (1975) — Crown Power Line One (1978–1979) — 35.2 lb MOSFET power amp with 100W/channel output. A no-frills analog workhorse from Crown's late-'70s lineup.
PRO-800-SERIES (1975) — A professional-grade series of modular audio components from Crown, designed for studio, broadcast, and live sound applications in the 1970s.
PS-600 (1975) — A high-performance passive crossover designed for professional and high-fidelity audio systems.
PZM Series (Various) (1980) — A groundbreaking series of boundary microphone systems from Crown Audio, renowned for their clarity, natural sound pickup, and innovative pressure zone design.
PZM-30 Series (1980) — A pioneering series of boundary microphone systems known for natural sound capture and innovative phase-coherent design.

Tuners

FM-1 (1958) — One of the first high-fidelity FM stereo demodulators, designed to bring stereo FM broadcasting to early audiophiles.
FM-2 (1968) — A pioneering FM multiplex stereo demodulator from Crown, designed for high-fidelity stereo broadcast reception in professional and audiophile settings.

Other Models

Crown - Professional Power — Founded by Clarence C. Moore in 1947 in Elkhart, Indiana. The standard for professional power amplifiers. Known for the DC300, Macro-Tech, and legendary reliability in demanding applications.
800 Series (Various Models) (1970) — A family of high-performance professional audio components from Crown, including preamps, power supplies, and accessories, designed for modular integration and studio-grade reliability.
800-Series (1970) — A series of high-power professional audio amplifiers from Crown, known for reliability, durability, and clean output across multiple models introduced in the 1970s.
C-4 (1965) — Crown C-4 (1965) bookshelf speakers weigh just under 40 pounds and promise excellent sound reproduction — a rare, heavy-built pair from Crown's early hi-fi era.
C-8 (1960) — A pioneering passive audio equalizer and tone control unit from Crown, designed for precision sound shaping in early hi-fi and professional audio systems.
COMPACT-LOUDSPEAKERS (1970) — A compact public address speaker system from Crown, designed for clarity and durability in commercial and institutional environments.
CX-724 (1995) — A professional-grade 2U rackmount equalizer designed for live sound and studio applications, part of Crown's reliable CX series.
CX-844 (1985) — Crown CX-844 — rare 4-track pro reel-to-reel tape recorder, $2500 new in 1976 with accessories, legendary among engineers
D 150A II — A solid-state power amplifier from Crown International, recognized for studio and home audio use
D-150 — Crown D-150A (1970s) stereo power amp: 80W/ch, DC-coupled, IOC distortion indicator, 11.4kg lab-grade solid-state design
D-150A (1975) — Crown D-150A (1970s) stereo power amp with 80W+80W, DC-20kHz response, and IOC distortion detection — a lab-grade workhorse for studio and home.
D-60 (1958) — Crown D-60 Dual Channel Power Amplifier — 35W/channel, 20Hz-20kHz, rugged anodized front. A compact solid-state workhorse from the 1970s.
D-75 (1958) — Crown D-75 (1978) 1U rack-mount stereo power amplifier with IOC distortion detection, 35WPC, fanless design — a pro audio classic
D-75A (1958) — A high-powered vacuum tube amplifier from Crown's early professional audio era, known for robust build and clean output.
D150A — A solid-state stereo power amplifier built in the USA with high power output and precision IOC design.
DC 300A SERIES II — A dual-channel solid-state power amplifier from Crown, known for its role in professional audio and live sound.
DC-150 (1967) — Crown DC-150 (1967) power amp delivers 150W/channel in a rugged steel chassis—pioneer of solid-state audio with DC-coupled design and bridged-mono mode.
DC-150A (1972) — High-power solid-state stereo amplifier from Crown, known for reliability and professional-grade performance in the 1970s.
DC-300 (1971) — A groundbreaking solid-state power amplifier renowned for its reliability, power, and sonic clarity in both professional and high-fidelity audio applications.
DC-300A (1971) — Crown DC-300A (1971) power amplifier with 150W/channel, DC-coupled design, and forced air cooling — a professional solid-state workhorse.
DC-300A IOC — Crown DC-300A IOC stereo power amplifier, 155WPC, 21.8 kg beast with IOC distortion monitoring—rare late '70s high-end solid-state muscle.
EQ-2 (1975) — A professional-grade stereo equalizer from the 1970s, the Crown EQ-2 offered precise tone shaping for studio and high-end audio systems.
ES14 (1978) — A classic near-field studio monitor from the late 1970s, designed for accurate audio reproduction in professional environments.
ES212 (1972) — A rare and innovative passive loudspeaker system designed by Crown for high-efficiency sound reinforcement applications.
ES224 — A high-power solid-state stereo amplifier introduced in 1975, notable for its robust output and wide frequency response.
ES26 (1978) — A professional-grade 1/3-octave graphic equalizer from the late 1970s designed for live sound and studio applications.
FM-1 (1958) — One of the first high-fidelity FM stereo demodulators, designed to bring stereo FM broadcasting to early audiophiles.
FM-2 (1968) — A pioneering FM multiplex stereo demodulator from Crown, designed for high-fidelity stereo broadcast reception in professional and audiophile settings.
GOLD CROWN STEREO X (1975) — High-power stereo amplifier from Crown's legendary Gold Crown series, known for robust performance and professional-grade reliability.
I TECH I T8000 — A high-power touring amplifier using Crown’s patented class-I technology in a compact 2U chassis.
IC-150 (1973) — Crown IC-150 (1971–1977) preamp with 1Hz–100kHz response and panorama control — a transparent, ultra-low-noise vintage control center for serious audiophiles
IC-150A (1972) — Crown IC-150A (1976–1977) — 9.1 kg solid-state preamp with 3Hz–100kHz response and panorama control. A stealthy Crown classic.
M-2000 (1975) — A high-power external amplifier module designed for professional and high-end audio systems, part of Crown's modular M-series.
POWER-LINE-ONE (1975) — Crown Power Line One (1978–1979) — 35.2 lb MOSFET power amp with 100W/channel output. A no-frills analog workhorse from Crown's late-'70s lineup.
PRO-800-SERIES (1975) — A professional-grade series of modular audio components from Crown, designed for studio, broadcast, and live sound applications in the 1970s.
PS-600 (1975) — A high-performance passive crossover designed for professional and high-fidelity audio systems.
PSA-2 (1970) — A pioneering active crossover and equalizer from Crown, designed to enhance speaker system performance in professional and high-end audio applications.
PZM Series (Various) (1980) — A groundbreaking series of boundary microphone systems from Crown Audio, renowned for their clarity, natural sound pickup, and innovative pressure zone design.
PZM-30 Series (1980) — A pioneering series of boundary microphone systems known for natural sound capture and innovative phase-coherent design.
SA-2 (1957) — One of the earliest solid-state audio amplifiers, the Crown SA-2 marked a pivotal transition from vacuum tubes to transistors in professional audio.
SA-20-20 (1969) — Crown SA-20-20 solid-state stereo amplifier — 1.75-inch tall, 19-inch width, basic design. Paired with Crown 800 Series reel-to-reel decks.
Tube Power Amplifiers (1950) — Vintage tube amplifiers from Crown, known for early professional audio innovation and robust build quality.
XLS1502 — Crown XLS1502 Power Amplifier: 775W per channel, 11 lbs, DriveCore 2, DSP, and Speakon outputs. A pro-grade workhorse built for reliability.
XTI 6002 — A DSP-controlled power amplifier from Crown’s XTi Series.