Blaupunkt Tw 1600.4 User Manual

Tw 1600.4

Recommended Woofer Enclosure

Sealed:

34

32.81

45 Hz

30 Hz

Sound | Subwoofer

Tw 1600.4

Blaupunkt India Private Limited

47, Atlanta Society, Nariman Point

Mumbai‐ 400 021. India.
Toll Free: 1800 209 6820

[e-mail] | www.blaupunkt.com

Tw 1600.4

Tw 1600.4

Warranty

We provide a manufacturer's warranty for our products
bought within India. You can view the warranty terms at

www.blaupunkt.com or ask for them directly at:
Blaupunkt India Private Limited
47, Atlanta Society, Nariman Point,
Mumbai ‐ 400 021. India.

Safety Notes:

Please observe the following safety notes during the
installation & connection.

Ÿ Disconnect the negative terminal of the battery.

Observe safety notes of the vehicle manufacturer.

Ÿ Prior to drilling mounting holes, make sure that no

cables & parts of the vehicle will be damaged.

Ÿ Do not install subwoofers on loose rear parcel

shelves (fastback vehicles)

Ÿ Leave ample clearance between the cables and

other harnesses. Use cable glands for holes with
sharp edges

Notes a bou t i n stal ling a su bwoo fer i n
enclosures:

Before insta llin g the subwoofer in an enc losure
guidelines, please observe some fundamental design
instructions:

Ÿ Subwoofers with innite baffle can be installed in a

vehicle by simply using a wooden board trimmed to
size which ensures an acoustic separation between
the front and rear of a woofer. The wooden board is
affixed in the boot under the rear shelf or at the back
of the rear seat bench. Any existing air gaps should
be sealed with sealing material.

Ÿ The shape of the enclosure plays a major role with

respect to the playback of low frequencies. However,
try to avoid unusual shapes which require extensive
work with respect to trimming and gluing.

Ÿ MDF boards or high-quality plywood made out of

birch with a thickness of 18 to 25mm are perfectly
suited for building woofer enclosures.

Ÿ All abutting housing walls should be glued, screwed

together and sealed to avoid detachment due to
vibration & external environmental inuences in a
vehicle.

Ÿ To avoid vibration, stiffening ribs or bracing are used

for large woofer enclosures.

Ÿ Acoustic insulating material which lls the inside

volume to at least 20% increases the effective
enclosure volume by 5 to 15%.

Ÿ The cables from the amplier to the subwoofer

should be kept as short as possible & have a cross
section of at least 2.5mm .

2

Ÿ The nished subwoo fer enclosure should be

perfectly stable and airtight.

Ÿ If possible, use bass reex ports with a diameter of 7

to 10cm to avoid the port noise generally associated
with smaller openings. PVC pipes are available
commercially in different diameters. The pipe
sections can be installed inside the enclosure using
appropriate joints and ttings.

Ÿ Use an active (electronic) crossover, such as those

integrated into all Blaupunkt ampliers. The use of
passive crossovers is not recommended.

Performance

Ÿ Maximum power handling (Watts): 1500
Ÿ Nominal power handling (RMS): 250W
Ÿ Nominal impedance (Ohms): 4
Ÿ Frequency response (Hz): 30-300
Ÿ Efficiency (dB / 2.83V / 1m): 87dB
Ÿ Diameter Installation hole (mm): 282
Ÿ Diameter Installation hole (inch): 11.1
Ÿ Thiele Small Parameter fs (Hz): 29.8
Ÿ Thiele Small Parameter Qts: 0.62z
Ÿ Thiele Small Parameter Qes: 0.61
Ÿ Thiele Small Parameter Qms: 7.08
Ÿ Thiele Small Parameter Vas (l): 93.25
Ÿ Thiele Small Parameter Xmax (mm): 8
Ÿ Recommended sealed enclosure size: 1.2 cubic ft. (34 Liters)