Peerless_SDS164_850594.pdf

850594

WOOFER/MID 6.5" MAGNETICALLY SHIELDED

WOOFER/MID 6.5" MAGNETICALLY SHIELDED - 164 WR 33 90 SD AL LS TV 8ohm

A truly high end mid-woofer with a rigid aerodynamic cast aluminium basket, ventilated spider and shielded for use

next to TVs and computer monitors. All aspects of this drivers design and manufacture achieves superior engineering

with the lowest possible compression, maximum exertion of the cone, excellent ventilation, etc. Attractive modern

style. Inverted dust cap. Suitable for higher power, high SPL, maintaining excellent dynamics and efficiency at any

volume. The one piece cast aluminium basket provides the necessary sturdy base for the magnet structure and

suspension and allows for a long excursion of the cone. The spider is ventilated to the basket, this achieves the lowest

possible compression and to allow air to flow freely to create a cooling effect for the voice coil and therefor greatly

extend the long term power tolerance. The design of the basket fascia allows for very slim width in box designs and the

edges are cambered to reduce the necessary amount of counter sinking and edge distortion. Hex screw holes for secure

anchoring. The five layer sandwich cone improves accuracy and consistency of sound reproduction over the entire

frequency range, creating a more "musical" driver. Due to the soft suspension, an excellent dynamic small signal

reproduction is obtained. Other features are high sensitivity, gold plated terminals and very low harmonic and difference

tone distortion. This woofer is applicable on a wide range of applications, and is especially popular as multiple

alignment floorstanding boxes, MTM centres, etc., Multiple driver boxes make this highly sensitive unit even more

efficient. Upper crossover recommended 1500 to 4500Hz.

Parameters

Free-Air Common Baffled

Nominal impedance

(ohm)

Minimum impedance/at freq. Zmin (ohm/Hz)

7.0 / 282

Maximum impedance

(ohm)

34.4

DC resistance

(ohm)

6.3

Voice coil inductance

(mH)

1.2

Capacitor in series with 8 ohm

(for impedance compensation) Cc

(µF)

Resonance Frequency

(Hz)

50.0

48.4

Mechanical Q factor

Qms

2.30

2.37

Electrical Q factor

Qes

0.51

0.53

Total Q factor

Qts

0.42

0.43

F (Ratio fs/Qts)

(Hz)

112

Mechanical resistance

Rms

(Kg/s)

2.49

Moving mass

Mms

(g)

18.2

19.4

Suspension compliance

Cms

(mm/N)

0.56

Effective cone diameter

(cm)

13.5

Effective piston area

(cm²)

143

Equivalent volume

VAS

(ltrs)

15.7

Force factor

(N/A)

8.4

Reference voltage sensitivity

Re 2.83V 1m at 376 Hz (Measured)

(dB)

87.8

Voice coil diameter

(mm)

Voice coil length

(mm)

Voice coil layers

Height of the gap

(mm)

Diameter of magnet

(mm)

90+81

Height of magnet

(mm)

20+15

Weight of magnet

(kg)

0.53+0.68

Code

850594

Page 1/2

850594

WOOFER/MID 6.5" MAGNETICALLY SHIELDED

Speaker Infinite Baffle Response Curve

Projected Box Frequency Response Curves

Page 2/2

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