The Subwoofer

The subwoofer extends the existing bass below 80-120 Hz. Since our ears have problems in locating low frequencies, one subwoofer is sufficient in a stereo or home cinema set-up and doesn't need to be positioned in front of the listener. Most subwoofers have a built-in amplifier to allow the individual adjustment of volume and low bass equalisation.

The subwoofer's driver(s) should have a solid basket, a rigid cone and a strong magnet.

Alcone by RCM

Alcone stands for aluminium cone and is a product range by RCM. The drivers feature a rigid cone and show, nevertheless, only a moderate resonance. RCM developed special subwoofer bass drivers that are in line with the latest technological advancement.

The following Alcone subwoofers have a strong magnet ensuring highest possible precision in reproducing bass. The cone is extremely rigid guaranteeing bass without dissipated power.

Type	Dimensions (HxWxD) in cm	Output (continuous/programme)	From frequency (-8 dB)	max. SPL (1m)	Ideal room size
Sub 10-60	40 x 32 x 35	60/130 W	35 Hz	103 dB	3-8 m²
	the following Alcone drivers are with silver aluminium sandwich cone
Sub 10 ASW	48 x 38 x 38	60/120 W	30 Hz	104 dB	6-16 m²
Sub 10	48 x 38 x 38	90/180 W	30 Hz	104 dB	6-16 m²
Sub 20	85 x 35 x 45	120/230 W	27 Hz	110 dB	15-30 m²
Alcone Definition Series for precise bass
Sub 10 Definition	34 x 34 x 34	50/100 W	35 Hz	104 dB	6-16 m²
Sub 20 Definition	68 x 34 x 34	120/230 W	35 Hz	108 dB	12-30 m²
Sub 40 Definition	136 x 34 x 34	300/550 W	35 Hz	116 dB	30-60 m²
*) Subwoofer with absolute control over the cone → best possible sound, somewhat more low bass

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Audaphon

Audaphon tweeter, ribbons and woofer feature an excellent price/performance ratio.

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Mivoc

Mivoc is well known for DIY kits with very good price performance ratio.

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Monacor

Monacor International was founded in 1964 in Bremen, Germany, and has since grown to a company group operating worldwide. Their well-known brands offer an extensive range of products which includes 5,000 items from the most varying areas like PA technology, security technology, car HiFi, speaker technology, stage equipment and DJ equipment. Monacor SPH 380

Monacor's SPH 380/450 TC bass drivers should seriously be considered when high volume is required:
- Subwoofer SPH-380 or
- with 45 cm driver the SPH-450

Brand	Type	Dimensions (HxWxD) in cm	Output (continuous/programme)	From frequency (-8 dB)	max. SPL (1m)	Ideal room size
Monacor	Subwoofer SPH-380 BR	57 x 42 x 50	180/300 W	28 Hz	114 dB	33-65 m²
Monacor	Subwoofer SPH-380/2 BR	122 x 42 x 50	500/1000 W	28 Hz	122 dB	100-180 m²
Monacor	SPH-450 BR	61 x 75 x 70	200/400 W	21 Hz	117 dB	50-90 m²

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Peerless

Peerless was founded in Denmark in 1926. Peerless quickly became known as one of the foremost producers of speakers for the newly emerging radio market. Soon after with the advent of television, Peerless again led the way in sound quality. For over 80 years, Peerless has been designing and producing market leading components for the loudspeaker industry.

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Seas

Seas history starts in 1948. The owner of Radionette, Jan Wessel decided to start making loudspeaker units for his own production of radio sets. Seas is well known for producing speakers of high quality.

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Scan Speak

Founded in 1970, Scan-Speak still resides in Videbaek, Denmark. The acoustic engineers adhere to the legendary policy of "Never compromise". Scan-Speak never compromises on the product quality, sound quality or pursuit of perfection in a given application.

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Tang Band

In 1996, nestled against the foothills of Taipei City, Tang band Ltd. was born. Tang Band was created with one overriding goal in mind; to make innovative, high quality speaker drivers.

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Vifa

Vifa Loudspeakers are renamed to Peerless.

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Visaton

Visaton is a German loudspeaker manufacturer. With 30 years of experience in the field of acoustics and loudspeaker technology and a future oriented engagement in research and development, Visaton is nowadays a specialised and world wide successfully operating loudspeaker manufacturer.

Brand	Type	Dimensions (HxWxD) in cm	Output (continuous/programme)	From frequency (-8 dB)	max. SPL (1m)	Ideal room size
Visaton	SUB W-20.39	40 x 32 x 43	max. 75	33 Hz	103 dB	6-14 m²
Visaton	SUB T 20.39	40 x 32 x 43	max. 120	28 Hz	103 dB	6-14 m²
Visaton	SUB T 25.30	40 x 32,4 x 40	max. 200	35 Hz	110 dB	16-35 m²
Visaton	SUB T 25.50	45 x 32,4 x 45	max. 200	28 Hz	110 dB	16-35 m²
Visaton	SUB T 30.60	52 x 37,5 x 50	max. 300	34 Hz	113 dB	30-60 m²
Visaton	SUB TL 30	215 x 56,1 x 56,1	max. 600	19 Hz	113 dB	30-60 m²

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Wavecor

Wavecor is an innovative force in loudspeaker technology. High quality loudspeaker units for industry and personal customers (DIY) - for Hi-Fi stereo, multi media, home theater, pro, car applications, etc. Tweeters, midranges, fullranges, woofers, subwoofers. Evaluation kits. Complete car component sets. Complete OEM speaker system turnkey solutions for the industry.

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Since this magazine is targeted at the DIY market, every edition features loudspeaker kits, indispensable information for the DIY community.

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This loudspeaker DIY publication has a longstanding tradition. For many decades top-quality kits have been featured and off course the extremely popular Cheap Tricks (CT).

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