Orchestra 12-612/C8/62 RP
Orchestra 12-612/C8/62 RP
Orchestra 12-612/C8/62 RP
Orchestra 12-612/C8/62 RP

Features

93 dB SPL
93 dB SPL

Efficiency

25 Hz - 0.5 kHz
25 Hz - 0.5 kHz

recommended frequency range

12" | ±300mm
12" | ±300mm

dimensions

Paper
Paper

Membrane material

±8.5 mm
±8.5 mm

linear motion

Features

93 dB SPL
93 dB SPL

Efficiency

25 Hz - 0.5 kHz
25 Hz - 0.5 kHz

recommended frequency range

12" | ±300mm
12" | ±300mm

dimensions

Paper
Paper

Membrane material

±8.5 mm
±8.5 mm

linear motion

Vendor:ETON Soundsysteme GmbH

Orchestra 12-612/C8/62 RP

Der ETON Orchestra 12-612 ist ein 12"-Langhub-Tieftöner für audiophile DIY-Lautsprecher-Projekte mit höchsten Anforderungen an Tiefgang, Pegelfestigkeit und Präzision. Mit einer Resonanzfrequenz von 30 Hz (TSP), einem Kraftfaktor von BL = 15,7 Tm und einem mechanischen Xmax von ±15,7 mm gehört der Orchestra 12-612 zu den leistungsstärksten 12"-Treibern im audiophilen DIY-Segment. Der Qts von 0,32 positioniert ihn primär für Bassreflex-Konstruktionen und 3-Wege-Systeme, in denen er als dedizierter Tieftöner den Bereich bis ca. 200–400 Hz übernimmt und echten Tiefgang bis unter 30 Hz liefert.

Die verrippte Papier-Membran (RP) mit einer effektiven Abstrahlfläche von 515 cm² kombiniert ein warmes, organisches Klangbild mit konstruktiver Steifigkeit: Die Rippenstruktur kontrolliert Partialschwingungen und stabilisiert das Ausschwingverhalten auch bei hohen Auslenkungen. Die 62-mm-Kupfer-Schwingspule auf Kapton-Träger – die größte Schwingspule im ETON Orchestra-Sortiment – sorgt für thermische Belastbarkeit bei 150 W (IEC 60268-5) und einen kraftvollen, präzisen Antrieb. Das Äquivalentvolumen von 134 dm³ erfordert großzügige Bassreflexvolumina für eine optimale Abstimmung. Made in Germany, aus der ETON-Manufaktur.

Warum der ETON Orchestra 12-612 für Ihr DIY-Projekt?

  • fs 30 Hz (TSP) / BL = 15,7 Tm – kraftvoller Antrieb mit echtem Tiefgang, primär für Bassreflex und 3-Wege-Systeme
  • Xmax ±8,5 mm elektrisch / ±15,7 mm mechanisch – außergewöhnlich hoher Linearhub für verzerrungsarme Basswiedergabe bei hohen Pegeln
  • 93 dB / 150 W – höchster Wirkungsgrad und höchste Belastbarkeit im ETON Orchestra-Sortiment
  • Verrippte Papier-Membran (RP), Sd = 515 cm² – warmes, organisches Klangbild mit kontrolliertem Ausschwingverhalten
  • 62-mm-Cu-Schwingspule auf Kapton – größte Schwingspule im Orchestra-Sortiment, thermisch belastbar für Langzeitbetrieb
  • 330 mm Ø, 150 mm Tiefe, 6,30 kg – klassisches 12"-Format für großzügige Bassreflex- und 3-Wege-Gehäuse

Für Projekte, bei denen maximale Pegelfestigkeit, echter Tiefgang und ein warmer, organischer Basscharakter gefragt sind – der ETON Orchestra 12-612 ist der leistungsstärkste Treiber im Orchestra-Sortiment. Made in Germany, aus der ETON-Manufaktur.

BL = 15,7 Tm – highest force factor in the ETON Orchestra lineup: powerful, precise driver for level-stable 3-way systems and subwoofer constructions.

BL = 15,7 Tm – highest force factor in the ETON Orchestra lineup: powerful, precise driver for level-stable 3-way systems and subwoofer constructions.

93 dB / 150 W (IEC 60268-5) – highest efficiency and highest power handling in the Orchestra product range: maximum dynamic headroom without compromises.

93 dB / 150 W (IEC 60268-5) – highest efficiency and highest power handling in the Orchestra product range: maximum dynamic headroom without compromises.

Xmax ±8.5 mm electrical / ±15.7 mm mechanical – unusually high linear travel for a 12" driver: low-distortion bass reproduction even at high volume levels and low frequencies.

Xmax ±8.5 mm electrical / ±15.7 mm mechanical – unusually high linear travel for a 12" driver: low-distortion bass reproduction even at high volume levels and low frequencies.

Ribbed paper diaphragm (RP), Sd = 515 cm² / fs 30 Hz / Qts 0.32: warm, organic sound profile with genuine deep bass – reproducible, calculable, Made in Germany.

Ribbed paper diaphragm (RP), Sd = 515 cm² / fs 30 Hz / Qts 0.32: warm, organic sound profile with genuine deep bass – reproducible, calculable, Made in Germany.

Out of stock
220,00 EUR

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2-year manufacturer's warranty

Made in Germany

93 dB efficiency / paper RP diaphragm – usable from 28 Hz to 1 kHz

The frequency response of the Orchestra 12-612 showcases the performance of a 12" woofer engineered for maximum bass extension, high efficiency, and a warm, organic sound profile: a smooth, controlled amplitude curve from roughly 28 Hz to 1 kHz – boasting a 93 dB efficiency rating, the highest in the ETON Orchestra product lineup. The ribbed paper cone (RP) with an effective radiation area of 515 cm² suppresses unwanted partial vibrations in the upper operating range and stabilizes cone excursion even at high displacements up to an electrical Xmax of ±8.5 mm – the result is a flat, consistent frequency response without the typical peaks that many 12" drivers with stiffer cone materials exhibit in the upper mid-bass range.

Particularly relevant for DIY builders: The usable frequency range up to roughly 1 kHz positions the Orchestra 12-612 as a dedicated woofer for 3-way systems – the crossover frequency to the midrange driver should be set to approximately 200–400 Hz to operate the driver solely within its optimal operating range. Compared to the Orchestra 8-612 (90 dB, usable up to 1.5 kHz), the 12-inch driver delivers 3 dB higher efficiency and a lower operating range – paired with a correspondingly larger enclosure volume (Vas 134 dm³ vs. 100 dm³). A Qts of 0.32 and a resonant frequency of 30 Hz classify it as a dedicated bass reflex driver: When optimally tuned, the lower cutoff frequency in a bass reflex enclosure can drop below 30 Hz.

The flat, consistent frequency response with no dips or peaks across its operating range confirms the quality of the paper RP cone and the powerful motor system (BL = 15.7 Tm). This 12" woofer sounds exactly as its measurements indicate – warm, controlled, with genuine bass extension and maximum power handling. Made in Germany, crafted in the ETON factory.

Qts 0.32 / fs 30 Hz / BL 15.7 Tm – maximum drive for bass reflex and 3-way

The impedance curve of the Orchestra 12-612 demonstrates the performance of a 12" woofer with exceptionally powerful drive: The impedance maximum sits at approximately 30 Hz (TSP) – a low resonant frequency that enables true deep bass extension down below 30 Hz in a bass reflex enclosure. The Qts value of 0.32 clearly positions this driver for bass reflex designs and 3-way systems: In a sealed enclosure, the deep bass response would be severely limited by the low Qts. The force factor of BL = 15.7 Tm is the core unique selling point of the Orchestra 12-612 – the highest value in the ETON Orchestra product range and the foundation for the powerful, precise drive at high excursions up to an electrical Xmax of ±8.5 mm.

Above the resonant frequency, the driver operates electrically stably: Impedance rises moderately toward high frequencies due to the voice coil inductance (Le = 1.60 mH) – a value typical for a 12" woofer with a 62 mm copper voice coil on a Kapton former, which does not complicate crossover design. The equivalent volume of 134 dm³ must be considered during enclosure design: It requires generous bass reflex chamber volumes for optimal tuning. The 8-ohm design enables trouble-free operation with standard HiFi amplifiers and power amplifiers.

The cleanly defined impedance maximum with no secondary resonances confirms the mechanical precision of the overhung drive system and the quality of the suspension. This 12" woofer behaves identically in enclosure calculations as it does in simulations – reproducible, reliable, Made in Germany.

Product Specification

Dimensions and installation
Total Diameter

330.5 mm

Cutout Diameter

282 mm

Total Depth

150 mm

Rim Thickness

8.5 mm

Weight

6.30 kg

Screw Hole Diameter (Screw / Head)

6.5 mm / 11 mm

Terminal (Negative / Positive)

4.8 mm / 6.3 mm

Voice coil
Diameter

62 mm

Height

27 mm

Wire material

Cu

Carrier material

Kapton

Winding layers

2

Magnetic drive
Magnetic flux density

1.00 T

Air gap height

10 mm

Material

Ferrite

Dimensions

169 mm x 75 mm

Drive system

Overhang

Ferrofluid

nein

Technical data
Nominal Impedance

Zn = 8 Ohm

DC Resistance

Re = 6.2 Ohm

1 W Resonance Frequency

fr = 28 Hz

TSP Resonance Frequency

fr = 30 Hz

Suspension Compliance

Cms = 0.36 mm/N

Mechanical Quality Factor

Qms = 5.16

Electrical Quality Factor

Qes = 0.34

Total Quality Factor

Qts = 0.32

Mechanical Resistance

Rms = 3.10 kg/s

Total Moving Mass (including Moving Air Mass)

Mmd = 78 g

Effective Radiating Area

Sd = 515 cm²

Voice Coil Inductance

Le = 1.60 mH

Force Factor

BLxl = 15.7 Tm

Electrical Xmax

+/- 8.5 mm

Mechanical Xmax

+/- 15.7 mm

Equivalent Volume

Vas = 134 dm³

Average Sound Pressure Level 1 W / 1 m

93 dB SPL

Power Handling

150 W*


*IEC 60268-5

Downloads

Technical Datasheet Orchestra 12612

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