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  5. Orchestra 7-512/C8/32 RP
ETON Orchestra 7-512/C8/32 RP 6.5" (16,5cm) Mid-Woofer
SKU:  7-512/C8/32-RP
80 Watt

Orchestra 7-512/C8/32 RP

SKU:  7-512/C8/32-RP

Technical Highlights

  • Nominal impedance of 8 Ω, power handling 80 watts RMS, SPL 89 dB.
    Frequency range 50-3000 Hz, resonance frequency at 36 Hz.
    Total quality factor Qts of 0.35, inductance Le is 0.60 mH.
  • More technical details
€129,00
€129,00 €129,00
5% discount with credit card
inkl. VAT , possibly plus shipping
Only a few left in stock (1 pieces available)
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Jun 5, - Jun 6,
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Orchestra 7-512/C8/32 RP by ETON Description

The ETON Orchestra 7-512/C8/32 RP is a 6.5 inch (16.5 cm) mid-bass driver with a paper diaphragm and special radial ribbing. The diaphragm uses a long-fiber, highly absorbent paper blend. A ferrite driver operates with a multi-vented, flow-optimized cast basket. Nominal impedance 8 Ω, DC resistance 6.5 Ω, frequency range 50–3000 Hz, and power handling 80 watts RMS. The average sensitivity level is 89 dB (1 W/1 m). Resonance frequency 36 Hz, total quality factor Qts 0.35, electrical stroke ±5.5 mm, and mechanical stroke ±8.8 mm. Additional specifications: BL 7.2 Tm, Le 0.60 mH, Sd 137 cm², Vas 37.3 l, Qms 5.27, Qes 0.38, Cms 1.42 mm/N, Rms 0.64 kg/s, Mmd 13.5 g.

Features
  • 6.5 inch (16.5 cm) mid-bass driver
  • Paper diaphragm with radial ribbing
  • Long-fiber, highly absorbent paper blend
  • Ferrite driver
  • Multi-vented, flow-optimized cast basket
  • Frequency range: 50–3000 Hz
  • RMS power: 80 watts
Technical Specifications
  • Nominal impedance: 8 Ω
  • DC resistance (Re): 6.5 Ω
  • Resonance frequency (Fs): 36 Hz
  • Suspension compliance (Cms): 1.42 mm/N
  • Mechanical quality factor (Qms): 5.27
  • Electrical quality factor (Qes): 0.38
  • Total quality factor (Qts): 0.35
  • Mechanical resistance (Rms): 0.64 kg/s
  • Total moving mass (Mmd): 13.5 g
  • Effective diaphragm area (Sd): 137 cm²
  • Voice coil inductance (Le): 0.60 mH
  • Force factor (BL): 7.2 Tm
  • Xmax electrical: ±5.5 mm
  • Xmax mechanical: ±8.8 mm
  • Equivalent volume (Vas): 37.3 l
  • Average sensitivity level (SPL, 1 W/1 m): 89 dB

ETON Orchestra 7-512/C8/32 RP Datasheet

Open datasheet

Frequently Asked Questions about Orchestra 7-512/C8/32 RP

What frequency ranges does the Eton Orchestra 7-512/C8/32 RP cover?

The Eton Orchestra 7-512/C8/32 RP covers a frequency range of 50 to 3000 Hz. This bandwidth allows the speaker to effectively reproduce both low and mid frequencies. The impulse fidelity is maintained at high levels, making the speaker suitable for dynamic music styles that require both powerful bass and clear mids. This frequency coverage is ideal for systems that need a balanced sound with a focus on bass and midrange.

How does the special paper diaphragm affect sound quality?

The special paper diaphragm of the Eton Orchestra 7-512/C8/32 RP is made from a long-fiber, highly absorbent paper mixture with radial ribbing. This construction ensures a high level of impulse fidelity and precision. The ribbing and mixture prevent modal formations across all frequency ranges, contributing to the homogeneity of the sound. This results in an uncolored reproduction of a warm, natural sound, especially in the midrange frequencies, while the bass remains powerful and voluminous.

How does the cast basket improve the speaker's performance?

The multiple-vented and flow-optimized cast basket of the Eton Orchestra 7-512/C8/32 RP minimizes compression effects that occur when air is displaced during the diaphragm's movement. This helps reduce distortion and improve the overall performance of the speaker. This is particularly important at higher volumes, as it keeps the low-frequency reproduction stable and ensures consistent sound quality without losing the more nuanced tones.

What are the Thiele-Small parameters of the Orchestra 7-512/C8/32 RP?

The Thiele-Small parameters of the Eton Orchestra 7-512/C8/32 RP are crucial for acoustic performance. It has a nominal impedance Zn of 8 Ω, a DC resistance Re of 6.5 Ω, a resonance frequency f of 36 Hz, and a suspension compliance CMS of 1.42 mm/N. The mechanical Qms is 5.27, while the electrical Qes is 0.38, resulting in a total Qts of 0.35. The mechanical resistance RMS is 0.64 kg/s, with an effective radiating area SD of 137 cm².

What is the power handling of the Eton Orchestra midrange driver?

The Eton Orchestra 7-512/C8/32 RP has a power handling of 80 Watts RMS. This power handling allows the speaker to continuously deliver high performance without the risk of damage. This is particularly advantageous for demanding audio applications that require stable and powerful sound reproduction. A well-calibrated amplifier system can efficiently drive this speaker and maximize its acoustic performance.

What is the maximum linear excursion of the speaker?

The maximum electrical linear excursion (Xmax) of the Eton Orchestra 7-512/C8/32 RP is +/- 5.5 mm, while the mechanical Xmax is +/- 8.8 mm. These excursion capacities allow for significant diaphragm displacement, which is essential for clear bass reproduction. A larger excursion enables more efficient air displacement, thus delivering deep frequencies powerfully and without distortion. This is particularly relevant for dynamic music genres.

How does the force factor BL affect speaker performance?

The force factor or BL factor of the Eton Orchestra 7-512/C8/32 RP is 7.2 Tm. This factor describes the productivity of the magnetic force in the voice coil, which is responsible for diaphragm movement. A higher BL value indicates a more efficient conversion of electrical energy into mechanical movement, which is especially important for clarity and detail in sound output. It supports dynamic and responsive bass reproduction, particularly at higher levels.

What are the physical dimensions of the speaker for easy installation?

The Eton Orchestra 7-512/C8/32 RP is a 7" speaker that can be easily integrated into many speaker enclosures due to its compact format. With an effective radiation area of 137 cm², it also fits into smaller installation dimensions and allows for flexible installation options. The careful design of the cast basket facilitates smooth integration, while the cooling properties of the material help prevent potential overheating, which is particularly advantageous when installed in tight spaces.

How does the inductance of the voice coil affect sound quality?

The voice coil of the Eton Orchestra 7-512/C8/32 RP has an inductance of 0.60 mH, which is crucial for controlling impulse distribution in the frequency response. Optimal inductance contributes to damping harmful resonances and improves timing and precision of sound. These characteristics are essential for authentic sound reproduction, minimizing high-frequency distortion while ensuring deep frequencies sound clear and harmonious.

What role does the equivalent volume VAS play in speaker performance?

The equivalent volume VAS of the Eton Orchestra 7-512/C8/32 RP is 37.3 dm³. VAS is an important parameter that indicates how much air a speaker can effectively displace, significantly influencing the deep bass range. Speakers with higher VAS are often more powerful in reproducing low frequencies in larger enclosures, while this speaker also performs well in smaller volumes. This flexibility makes it versatile and suitable for various acoustic environments.