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BeoMaster 1900-2

Bang & Olufsen BeoMaster 1900-2

BeoMaster 1900-2

The 1970’s were exciting times for Bang & Olufsen. Another breakthrough during this decade was Beomaster 1900, a radio receiver and amplifier launched in 1976. Once again, design and operation differed dramatically from other contemporary products.

Originally designed by Jacob Jensen, Beomaster 1900, together with Beomaster 2400-2 were two advanced FM stereo receivers. They had identical technical specification and performance. Both were easy to use and easy to live with. Beomaster 2400-2 had the additional convenience of a cordless ultrasonic remote control module by which you could operate radio, amplifier and Beogram 2400 or 4004 record deck from a distance. Both receivers had touch-sensitive controls for operating the features and functions you used every day. All the secondary switches and adjustments were protected beneath a hinged lid, but an illuminated readout panel showed you the set’s operational status at a glance.

Beomaster 1900 boasted a powerful 2 x 30 watts RMS amplifier with distortion of less than 0,13%, five pre-set FM stations and comprehensive connection facilities. To operate it you simply touch the application “dimples” on the set’s front panel. The radio section had 4 pre-set stations which could be summoned at a touch and the phase-lock loop decoder provided excellent stereo separation even in difficult reception conditions The volume level could be pre-set at low, medium or high, and the music would always start at this level however much the volume control was altered last time the set was used.

The sets’ controls were divided into primary and secondary functions. The latter, which were less frequently used, were placed underneath the hinged aluminium panel where they were protected from dust and accidental movement.

A clear distinction was therefore made between the primary choice – accessible through a light touch – and the secondary choice, concealed under a lid hiding what the user did not need for daily use. At a stroke, what had been the norm for hi-fi in the past, with its macho grip and buttons, was eliminated. Instead, designer Jacob Jensen created a new design language, flat ‘flush-designed’ and electronically communicating, which did not target a few techno-freaks, but a much wider audience who wanted music rather than hi-fi equipment.

Beomaster 1900 had connections for two pairs of speakers, headphones, record player and cassette recorder. The receiver won the ID Award in 1976.

 
 

BeoMaster 1900-2 Product Details

Type Numbers

2903 (1976 - Dec 1979)
2904 (US) (1976 - Dec 1979)
2904 (US) (1976 - June 1980)

Designer

Manufactured

1976 - 1982

Colour Options

Rosewood, Teak, White, Oak

BeoMaster 1900-2 Product Specification

Power output at specified distortion 1000 Hz RMS: 2 x 30 watts / 4 ohms
2 x 20 watts / 8 ohms
Music power: 2 x 50 watts / 4 ohms
2 x 30 watts / 8 ohms
Speaker impedance: 4 ohms

Harmonic distortion: 1000 Hz 50 mV DIN 45,500: < 0.07 %
Intermodulation: DIN 45,500 < 0.13 %

Bass control at 40 Hz: +/- 18 dB
Treble control at 12,500 Hz: +/- 15 dB
FM range: 87.5 – 104 MHz

Power supply: 110 – 130 – 220 – 240 V
Power consumption: 25 – 185 W
Dimensions W x H x D: 62 x 6 x 25cm
Weight: 7.6 kg

RIAA amplifier: built-in
Features: Sensi-touch controls
Connections: Phono DIN
Tape: DIN
Speakers: 2 sets
Headphone: jack

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BeoMaster 2000 (1974)

Bang & Olufsen BeoMaster 2000 1974

BeoMaster 2000 (1974)

Beomaster 2000 at the time of its introduction in 1974 was an all-new model. The FM/AM stereo receiver was constructed to facilitate simple, logical operation.

Five FM stations could be pre-selected. Secondary controls which are not used daily were hidden under sliding panels. For example, the five FM pre-selectors, controls for AFC and muting (silent tuning), were discretely hidden away from view until such time as you needed them.

The construction of the stereo decoder was based upon a phase lock system which ensured constant high separation of channels. Manual tuning on the large FM/AM tuning scale was by means of a plain circular disc which was flush-mounted into the control panel. The tuning scale was illuminated and a light indicator assisted accurate tuning on an FM station. The AM section, (long and medium waves), had ceramic filters which enabled good separation between stations.

The newly developed automatic volume control effectively achieved a good balance between the weak and the strong AM stations. Darlington output circuits in the amplifier section produced 2 x 40 watts RMS or 150 watts total music, with less than 0.1 % harmonic distortion. One of the TAPE connections facilitated AB monitoring. It was possible to copy from one tape recorder to the other without having to fiddle with cables and sockets. There were sockets for two pairs of loudspeakers and for stereo headphones.

Two tape recorders could be connected and could be switched to enable copies of tapes to be made, in either direction. The set was housed in a large flat cabinet of a similar style to the Beomaster 1200 range, though the ‘slide rule’ pointer was replaced with a conventional dial, operated by a large flush aluminium wheel. A flywheel beneath this made manual tuning very smooth and the large diameter of the control, coupled with the now familiar dual light tuning indicator, also made it very accurate.

To complement slim appearance of the cabinet, a wire prop at the rear could be folded down, tipping the whole machine forward slightly enabling the controls and lights to be viewed more easily.

FM room aerial

Within a certain radius of the FM transmitter you could use the Bang & Olufsen room aerial, type 8902010. The aerial was easily fitted and the telescopic elements positioned as required.

This is one of the forgotten Beomasters. It utilised an amplifier design that would prove to be the most successful for B&O. It formed the basis for all the great amplifiers to follow in the range. Wonderful control of bass and plenty of reserve.

BeoMaster 2000 (1974) Product Details

Type Numbers

2801 (1974 - July 1978)

Designer

Manufactured

1974 - 1978

Colour Options

Rosewood, Teak, White

BeoMaster 2000 (1974) Product Specification

Sound system and loudspeakers: 2 sets of stereo
FM pre-tuning: 5 stations
Tuning indicator: dual light
Muting FM: Yes
Loudness: Yes

Amplifier:
Power output at specified distortion 1000 Hz RMS: 2 x 40 W / 4 ohms
2 x 30 W / 8 ohms
Music power: 2 x 75 W / 4 ohms
2 x 40 W / 8 ohms
Speaker impedance: 4 ohms

Harmonic distortion: 1000 Hz 50 mV DIN 45500: < 0.06 %
Intermodulation DIN 45,500: < 0.25 %
Frequency range +/- 1.5 dB DIN 45500: 20 – 30000 Hz
Channel separation 1000 Hz DIN 45500: > 56 dB

Bass control at 40 Hz:: +/- 17 dB
Treble control t 12500 Hz: +/- 15 dB

FM tuner: Range 87.5 – 104 MHz
Sensitivity 26 dB, +/- 40 kHz < 1.5 µV / 75 ohms
Signal-to-noise ratio DIN 45,500 > 65 dB

AM tuner:
LW 147 – 350 kHz
MW 520 – 1605 kHz
Sensitivity 20 dB LW 200 kHz 85 µV
MW 1000 kHz 85 µV
Power consumption: 20 – 250 W
RIAA amplifier: built-in

Dimensions W x H x D: 68.5 x 7.5 x 27cm
Weight: 8.2 kg
Connections: Headphone Max. 8 V / 200 ohms
Tape: 2 sockets output 15 mV / 20 k ohms DIN
Speakers: 2 sets
Aerial FM: 75 ohms
Phono: DIN

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BeoMaster 2000 (1983)

Bang & Olufsen BeoMaster 2000 1983

BeoMaster 2000 (1983)

Beomaster 2000 was an advanced 2 x 25 watts RMS receiver with Long, Medium and FM band radio coverage. Four FM stations could be pre-set for instant recall. There was also provision for pre-setting one AM station.

 

The low-distortion stereo amplifier included a new feature unique to Bang & Olufsen. It was called Automatic Power Handling Control (APHC). This was a technique whereby the dynamic range and power parameters of the signal were continuously monitored, and if their combined effect threatens to cause amplifier clipping or damage to the speakers, the APHC circuit instructed the set’s microcomputer to turn the volume down to a safe level.

All primary functions were operated by finger-tip contact on the Beomaster’s Sensitouch control panel. There were no knobs or buttons to press. The status of all controls was shown on an illuminated display panel. Secondary controls were protected beneath a self-opening lid that was released by touching the unit’s front edge.

Beomaster 2000 could be made up as part of the Beosystem 2000, when linked together with other compatible Bang & Olufsen products. The receiver was designed by Jacob Jensen and was a direct descendant of Beomaster 2400.

 
 

BeoMaster 2000 (1983) Product Details

Type Numbers

2917 (AM/FM) (1983 - Dec 1983)
2915 (AUS,FM) (1983 - May 1986)
2913 (US,FM) (1983 - Nov 1985)
2912 (GB:AM/FM) (1983 - Nov 1986)
2911 (EU,FM) (1983 - March 1987)
2919 (D,FM) (1983 - May 1985)

Designer

Manufactured

1983 - 1987

Colour Options

Grey

BeoMaster 2000 (1983) Product Specification

Power output RMS DIN/IEC: 2 x 30 W / 8 ohms
Harmonic distortion DIN/IEC: < 0.08 %
Power output 20 – 20,000 Hz IHF: 2 x 25 W / 8 ohms
Total harmonic distortion IHF: < 0.1 %
Dynamic headroom: 1.6 dB / 8 ohms
Intermodulation IHF: < 0.1 %
Response frequency: 20 – 20,000 Hz +/- 1.5 dB
Wideband damping factor: 35
Signal-to-noise ratio:
Phono A-weighted: > 75 dB
Tape A-weighted: > 80 dB

FM range: 87.5 – 108 MHz
Signal-to-noise ratio at 65 dBf mono: 72 dB
Signal-to-noise ratio at 65 dBf stereo: 67 dB
Distortion at 65 dBf stereo: 0.35 %
Stereo channel separation: 36 dB
Sub-carrier product rejection: 55 dB

AM tuner section
Only types: 2912, 2915, 2917
LW range: 150 – 350 kHz
MW range: 520 – 1610 kHz
LW sensitivity: 20 dB S/N ratio 120 µV
MW sensitivity: 20 dB S/N ratio 100 µV

Power supply:
2911 – 2917: 220 V
2912 – 2915: 240 V
Power consumption 20 – 170 W
Dimensions W x H x D: 62 x 7 x 25cm

RIAA: built-in

Connections: Speakers 2 set
Phono: DIN
Tape: 1 DIN
Tape: 2 Phono
Headphone: jack

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BeoMaster 2200 (1977)

Bang & Olufsen BeoMaster 2200

BeoMaster 2200 (1977)

Beomaster 2200 was a 2 x 40 watts RMS FM/AM receiver with logical operation and high reliability.

Operation controls were separated into primary, secondary and tertiary functions. The primary functions – those you used every day – included programme selection, volume control and the off switch. They were easily accessible on the outside of the set. The secondary controls were under an aluminium panel. These included facilities for presetting 5 FM programmes; balance and tone controls; AFC (Automatic Frequency Control facility – which keeps stations properly tuned) and a mono/stereo switch. The tertiary functions, which were also hidden but easily accessible, were the connection sockets: you could make all connections for a record player, cassette deck, headphones and two pairs of speakers without moving the set.

Beomaster 2200 had a modular chassis. The modules were connected by wire-wrapping – a construction method that enhanced the product’s quality and reliability. This technique was originally adopted from computer production. The technique replaces conventional soldering, thereby eliminating any weaknesses arising from dry-joints, drop-outs and so on.

Volume adjustment was by means of a small slider along a numerical scale. Secondary controls included AFC (Automatic Frequency Control) coupled with silent tuning (AFC/ST), FM presetting dials for the radio, mono/stereo selection and loudspeaker switches.

These were all mounted beneath a hinged lid which opened when the PROGRAM panel was touched. A further compartment housed all the connection sockets which were easily accessible from the front of the unit. There was therefore a distinction between the functions which are frequently used, those that are used only once in a while, and those that would have been used a very few times during the set’s life.

The primary functions were for selecting the programme source, controlling volume and switching the set off – so these were the only controls that were on the outside of the set.

Beomaster 2200 could be made up as part of the Beosystem 2200, when linked together with other compatible Bang & Olufsen products.

 
 

BeoMaster 2200 (1977) Product Details

Type Numbers

1601 (1977 - Dec 1980)

Designer

Manufactured

1977 - 1980

Colour Options

Rosewood, Teak, White, Oak

BeoMaster 2200 (1977) Product Specification

Power output: 2 x 40 W / 4 ohms
2 x 30 W / 8 ohms
Music power: 2 x 75 W / 4 ohms
2 x 40 W / 8 ohms
Speaker impedance: 4 ohms
Harmonic distortion: < 0.05 %
Intermodulation: < 0.1 %
Frequency range: 20 – 30000 Hz
Signal-to-noise ratio pickup low impedance: > 60 dB

Bass control at 40 Hz:: +/- 12 dB
Treble control at 12500 Hz: +/- 12 dB



FM tuner range: 87.5 – 108 MHz
AM tuner:
LW 147 – 350 kHz
MW 520 – 1610 kHz

Power supply: 110 – 130 – 220 – 240 V
Power consumption: 15 – 175 W
RIAA amplifier: built-in
Dimensions W x H x D: 54 x 7.5 x 30.5 cm
Weight: 8.7 kg

Connections: Speakers 2 sets
Headphones: max. 13 V / 200 ohms
Tape: DIN
Phono: DIN

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BeoMaster 2300

Bang & Olufsen BeoMaster 2300

BeoMaster 2300

Beomaster 2300 was the receiver heart of Beosystem 2300, released in 1983.

Beomaster 2300 was the receiver heart of Beosystem 2300, released in 1983.

The unit was a superbly-engineered FM radio/amplifier and delivered 2 x 30 watts RMS stereo output. Its sleek design was not only beautiful, but was intelligent too. Instead of buttons, touch-sensitive dimples operated all primary functions and the user’s instructions were confirmed on the read-out panel.

Five favourite FM radio programmes could be pre-set on individual tuning dials and the phase-locked loop decoder ensured excellent stereo separation, even in difficult reception conditions. The volume level could be pre-set at low, medium or high; each time Beomaster 2300 was switched on the music always started at the selected setting, however the volume control, was left the last time the receiver was used.

There were connections for two pairs of loudspeakers, headphones, record deck and cassette deck. The slim cabinet was finished in a choice of teak or rosewood and measured 62cm wide x 6cm high(13,5cm with the lid raised) x 25cm deep.

No remote control was included with the System; Beomaster 2300 in fact, was a direct descendant of Beomaster 1900, right down to the ‘dimple’ sensi-touch controls on the set top.

 
 

BeoMaster 2300 Product Details

Type Numbers

2905

Designer

Manufactured

1983 - 1983

Colour Options

Rosewood, Teak

BeoMaster 2300 Product Specification

Power output RMS: 2 x 40 W/4ohms, 2 x 30 W/8 ohms
Harmonic distortion -26dB: <0,07%
Harmonic distortion: <0,1%
Intermodulation: <0,15%
Frequency range +/- 1,5 dB: 20 – 30kHz
Damping factor: >60
Headphones output: Max 11V/200 ohms FM sensitivity 46dB: <30 microvolts/75 ohms
FM frequency range +/- 1,5dB: 20 – 15KHz
FM harmonic distortion: <0,4%
FM stereo separation: >35dB
Pilot suppression 19kHz/38kHz: >45dB/50dB
Power supply: 110-130-220-240v
Max power consumption: 185W
Dimensions WxHxD/weight: 62 x 6 x 25cm/7,6kg

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BeoMaster 2400

Bang & Olufsen BeoMaster 2400-2

BeoMaster 2400

Beomaster 2400 together with Beomaster 1900 were two advanced FM stereo receivers. They had identical technical specification and performance. Both were easy to use and easy to live with.

Beomaster 2400 had the additional convenience of a cordless ultrasonic remote control module by which you could operate radio, amplifier and Beogram 2400 or 4004 record decks from a distance. Both receivers had touch-sensitive controls for operating the features and functions you used every day. All the secondary switches and adjustments were protected beneath a hinged lid, but an illuminated readout panel showed you the set’s operational status at a glance.

Equipped with the slim remote-control module you could select between four pre-set radio stations or record player input, adjust the volume up or down or put the System into Stand-by. The illuminated panel with its large display allowed to to easily see the state of play from anywhere in the room. The phase-locked loop decoder ensured a wide separation between stereo channels and remained stable over a very long lifetime. When a stereo broadcast was received, a symbol ‘S’ lit up automatically on the fascia of the set. Automatic Frequency Control (AFC) kept the selected radio station spot on tune, and a muting circuit cut out inter-station noise during tuning.

The stereo amplifier produced 2 x 30 watts RMS of high-fidelity output and had DIN sockets for the connection of two pairs of speakers, a record-player and a tape or cassette recorder.

A headphone connection was provided beneath the front edge of the unit. Controls not needed every day were situated beneath a hinged lid. These included tone and balance adjustment, FM pre-setting, loudness, AFC and MONO/STEREO switches, and a switch for selecting a basic initial volume level. This facility allowed you to choose the volume at which the amplifier began to play each time it was switch on – no matter how controls were left the previous time. On its primary control panel Beomaster 2400 had no knobs or buttons. The panel functioned electronically and needed only the contact of your finger to activate it. However, the ultrasonic remote control would have proved more useful. The set’s sophisticated indicator system would tell you instantly that your commands had been obeyed.

Beomaster 2400 was superceded by Beomaster 2400-2 in 1980.

 
 

BeoMaster 2400 Product Details

Type Numbers

2901 (1976 - Dec 1979)
2902 (US) (1976 - Dec 1979)
2905 (1979 - June 1983)
2907 (J) (1979 - Dec 1982)
2908 (CDN) (1979 - Oct 1983)

Designer

Manufactured

1977 - 1982

Colour Options

Rosewood, Teak, White

BeoMaster 2400 Product Specification

Frequency response: 30 W per channel at 4 ohms
Minimum continuous RMS power: 25 W per channel at 8 ohms
Speaker impedance: minimum 4 ohms
Maximum total harmonic distortion: < 0.2%
Intermodulation: < 0.15%

FM tuner range 87.5 – 108 MHz

Power consumption: 25 – 185 W
Dimensions H x W x D: 6.5 x 61.5 x 24.7cm
Weight: 7.6 kg
RIAA: built-in

Features: cordless remote control, sensi-touch operation

Connections: headphones jack
Speakers: 2 set
Tape: DIN
Phono: DIN

Commander battery:15V Varta V74PX IEC 10 LR54

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BeoMaster 2400-2

Bang & Olufsen BeoMaster 2400-2

BeoMaster 2400-2

Beomaster 2400 together with Beomaster 1900 were two advanced FM stereo receivers. They had identical technical specification and performance. Both were easy to use and easy to live with.

Beomaster 2400 had the additional convenience of a cordless ultrasonic remote control module by which you could operate radio, amplifier and Beogram 2400 or 4004 record decks from a distance. Both receivers had touch-sensitive controls for operating the features and functions you used every day. All the secondary switches and adjustments were protected beneath a hinged lid, but an illuminated readout panel showed you the set’s operational status at a glance.

Equipped with the slim remote-control module you could select between four pre-set radio stations or record player input, adjust the volume up or down or put the System into Stand-by. The illuminated panel with its large display allowed to to easily see the state of play from anywhere in the room. The phase-locked loop decoder ensured a wide separation between stereo channels and remained stable over a very long lifetime. When a stereo broadcast was received, a symbol ‘S’ lit up automatically on the fascia of the set. Automatic Frequency Control (AFC) kept the selected radio station spot on tune, and a muting circuit cut out inter-station noise during tuning.

The stereo amplifier produced 2 x 30 watts RMS of high-fidelity output and had DIN sockets for the connection of two pairs of speakers, a record-player and a tape or cassette recorder.

A headphone connection was provided beneath the front edge of the unit. Controls not needed every day were situated beneath a hinged lid. These included tone and balance adjustment, FM pre-setting, loudness, AFC and MONO/STEREO switches, and a switch for selecting a basic initial volume level. This facility allowed you to choose the volume at which the amplifier began to play each time it was switch on – no matter how controls were left the previous time. On its primary control panel Beomaster 2400 had no knobs or buttons. The panel functioned electronically and needed only the contact of your finger to activate it. However, the ultrasonic remote control would have proved more useful. The set’s sophisticated indicator system would tell you instantly that your commands had been obeyed.

Beomaster 2400 was superceded by Beomaster 2400-2 in 1980.

 
 

BeoMaster 2400-2 Product Details

Type Numbers

2901 (1976 - Dec 1979)
2902 (US) (1976 - Dec 1979)
2905 (1979 - June 1983)
2907 (J) (1979 - Dec 1982)
2908 (CDN) (1979 - Oct 1983)

Designer

Manufactured

1977 - 1982

Colour Options

Rosewood, Teak, White

BeoMaster 2400-2 Product Specification

Frequency response: 30 W per channel at 4 ohms
Minimum continuous RMS power: 25 W per channel at 8 ohms
Speaker impedance: minimum 4 ohms
Maximum total harmonic distortion: < 0.2%
Intermodulation: < 0.15%

FM tuner range 87.5 – 108 MHz

Power consumption: 25 – 185 W
Dimensions H x W x D: 6.5 x 61.5 x 24.7cm
Weight: 7.6 kg
RIAA: built-in

Features: cordless remote control, sensi-touch operation

Connections: headphones jack
Speakers: 2 set
Tape: DIN
Phono: DIN

Commander battery:15V Varta V74PX IEC 10 LR54

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BeoMaster 3000 (1985)

Bang & Olufsen BeoMaster 3000 1985

BeoMaster 3000 (1985)

Beomaster 3000 was the central part of Beosystem 3000. It was an FM and AM receiver with four preset FM stations and a power output of 30 watts. Beomaster 3000 featured Automatic power Handling Control which protected amplifier and speakers against overload.

The electronic volume control ensured a smooth transition to more, or less, sound, and the volume level could be preset. By activating ‘mute’ you could silence a function without turning it off. Another touch, and the function resumed where it left off.

Add a Beocord 2000, a Beogram 3000 and maybe a Beogram CDX and you had a stylish and high performance set up. This receiver could be seen as the natural descendant of the Beomaster 2400-2.

BeoMaster 3000 (1985) Product Details

Type Numbers

2932 (GB) (1985 - Jan 1987)
2931 (EUR) (1985 - March 1987)
2937 (AM/FM) (1985 - Jan 1987)
2935 (AUS) (1985 - Oct 1986)
2933 (US) (1985 - Jan 1987)
2939 (D) (1985 - Jan 1987)

Designer

Manufactured

1985 - 1987

Colour Options

Metal Grey

BeoMaster 3000 (1985) Product Specification

Power output RMS DIN/IEC: 2 x 30 W / 8 ohms
Harmonic distortion DIN/IEC: < 0.08 %
Power output 20 – 20,000 Hz IHF: 2 x 25 W / 8 ohms
Total harmonic distortion IHF: 1.6 dB / 8 ohms
Intermodulation IHF: < 0.1 %
Response frequency 20 – 20,000: Hz +/- 1.5 dB

FM range: 87.5 – 108 MHz
AM tuner:
LW range 2932 – 2935 – 2937: 150 – 350 kHz
MW range 2932 – 2935 – 2937: 520 – 1610 kHz
Power supply:
2932 – 2935: 240 V
2939: 220 V
2931 – 2939: 220 V
2933: 120 V
Power consumption:: 20 – 170 W
Dimensions: W x H x D: 62 x 7 x 25cm
Weight: 7 kg

RIAA amplifier: built-in

Connections: Phono DIN
Tape 1: DIN
Tape 2: Phono plugs
Speakers: 2 sets
Headphones: max 12 V / 220 ohms

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BeoMaster 3000 Uer Guide

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BeoMaster 3000-2

BeoMaster 3000-2

BeoMaster 3000-2

Beomaster 3000-2 was a solid state FM stereo receiver. The receiver was the kind of product you wanted to both look and to listen to.

It delivered 2 x 40 watts RMS at 30-30.000 Hz and whose distortion was less than 0.5%. With additions to the receiver like Beogram 3000, a fully automatic record player whose operating functions were executed by one master control, and two Beovox 3800 pressure chamber loudspeakers, Beosystem 3000 formed a complete high-fidelity system which deserved to be included in serious evaluations by those who felt that a quality hi-fi system must be chosen in separate units.

The unit was a high fidelity stereo amplifier in which emphasis was placed on specifications, frequency correction and connection facilities. The LOUDNESS feature permitted switching between an objective or a subjective linear reproduction and the LOW and EH filter controls gave a sharper regulation of frequencies, in addition to the normal bass and treble controls. The LOW filter helped reduce rumble resulting from a poor or defective record. At 80Hz its slope was 12dB per octave. There were sockets and push buttons for two pairs of loudspeakers. The headphone socket was situated on the front of the receiver. The tape connection facilitated AB monitoring and there were two record-player inputs: a high and a low impedance. All input sockets could be adjusted from the receiver’s base so that all signals had the same sound level. This was an extra convenience because one needed not adjust the volume control on the amplifier when it was switched between programme sources. The FM section had six pre-set stations. A light indicator assisted accurate tuning and the indicator registered the signal strength of a station. The FM section was extremely sensitive (better than 1.4 uV, I.E.C.) and harmonic distortion was only 0.4%. Field effect transistors, ceramic filters and integrated circuits were used.

In 1972 the Museum of Modern Art in New York (MoMA) chose seven Bang & Olufsen products designed by Jacob Jensen to be included in their Design Collection as representing excellent examples of the Museum’s criteria for quality and historical importance; design, in fact, which had influenced the twentieth century. Beomaster 3000 was one of those seven products. Two years’ previously Beomaster 3000 won the iF Design Award.

Beomaster 3000-2 was introduced in 1972. Both units could be used as part of Beosystem 3000. The two models were visually indistinguishable except for the model number, but the Beomaster 3000-2 contained a few minor technical improvements. The effect of these was not visually or aurally evident; the improvements were seen as Bang & Olufsen’s desire at that time to offer the customer the best components and aural experience.

BeoMaster 3000-2 Product Details

Type Numbers

2402-2
2404-2
2405

Designer

Manufactured

1969 - 1975

Colour Options

Rosewood, Teak, White

BeoMaster 3000-2 Product Specification

Power output; 2 x 30 W RMS; 2 x 60 W music power
Speaker impedance: 4 ohms
Distortion: < 0.6 %
Intermodulation: < 0.6 &

Bass control range: +/- 17 dB at 50 Hz
Treble control range: +/- 14 dB at 10.000 Hz
Tuning range: 87.5 – 108 MHz

Dimensions: W x H x D: 58 x 9.5 x 26cm
Weight: 8.7 kg
Power consumption: 20 – 180 W

Connections: Phono: 1 DIN
Phono: 2 DIN
Tape: DIN
Headphone socket
Speakers: 3 sets

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2402

BeoMaster 3000 Uer Guide

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2931, 2932, 2933, 2935, 2937, 2939

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BeoMaster 3300

Bang & Olufsen BeoMaster 3300

BeoMaster 3300

Beosystem 3300: a 2 x 40 watts RMS amplifier, an FM, long and medium wave radio, and a stereo record deck – was all combined into a single unit called Beomaster 3300. The record deck was fitted with the Bang & Olufsen MMC 20E cartridge. Two Beovox Uni-Phase S45 loudspeakers completed this value-for-money system.

Beosystem 3300: blending science and art

Bang & Olufsen designs are always refreshingly different – a pleasure to look at as well as to hear. Which could be why the company has earned itself over the years coveted places in the Museum of Modern Art in New York.

Beosystem 3300 was the latest addition to a collection which fascinated people from all over the world. You could hang it on the wall among your other works of art; or place it where you like – those sleek, modern shapes would always look good.

But Beosystem 3300 had a great deal more to offer than an ultra-modern appearance. With records, tapes, radio and compact discs it was a top quality music system that really knew how to perform, according to the 1988 catalogue.

Beomaster 3300 Type 2951

This receiver was the heart of the system, connected by Datalink to the other equipment and passing on the commands you gave via remote control, or by a light touch directly on the panel.

You could preset up to five radio stations. The amplifier had a power output of 2 x 30 watts and a power handling system which prevented overloading and distortion. Beomaster 3300 was part of Beosystem 3300 although it could be used as a stand-alone item.

 
 

BeoMaster 3300 Product Details

Type Numbers

2951
2952
2955

Designer

Manufactured

1987 - 1989

Colour Options

Grey

BeoMaster 3300 Product Specification

Long-term max. output power, IEC 2 x 60 watts / 8 ohms
Total harmonic distortion IHF <0.1% / 25 watts 20 – 20,000 Hz
Intermodulation IHF < 0.1 %
Bass control at 40 Hz +9 -14 dB
Treble control at 12, 500 Hz +9 -14 dB
FM range 87.5 – 108 MHz
520 – 1610 kHz (2953)
LW range 150 – 350 kHz (2952 – 2955)
MW range 520 – 1610 kHz (2952 – 2955)
RIAA amplifier Built-in

Power supply
2951 220 (110 – 130 – 240) V
2952 240 (110 – 130 – 220) V
2955 240 (110 – 130 – 220) V
Power consumption 10 – 135 watts
Power consumption Stand-by 5 watts
Dimensions W x H x D 62 x 7 x 25 cm
Weight 7 kg

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