CHP-70 Generation 2 (pair)

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The CHP-70 is an entry-level 4in full-range drive unit optimised for use in small – medium sized spaces. It gives a flavour of the pricier Alpair models for a modest price

In stock

SKU: DR-MA-CHP70 Category: Tags: , , ,

Description

CHP-70-P Gen. 2 Full Range audio driver, 4″ Natural Paper Cone with Excursion Arrestor.

This is a great little cheap driver, there are loads of boxes available out there for it, we like the Frugal Horn 3 and the Pensil designs but take a look through all of them.

This updated (Gen. 2) CHP-70A driver is designed to make a semi-vintage classic sound, similar to the smaller full range driver designs from the 1950ʼs. Its middle-high range output has been made to “roll-off” from 7-kHz up. This helps to keep the high range sounding smooth and warm. This driver makes the singers voice sound very natural, a little warm, pleasing for many hours of listening.

The CHP-70A Gen. 2 will assist in the control of sharp or hard sounding compressed music (digital) . This CHP delivers a tone that appeals to classic music enthusiasts using smaller amplifiers. The off-axis and sound-spread of the CHP-70 is excellent. This driver is capable of filling a room environment with an “easy listening” experience, especially for human voice. The bass response from the CHP-70 Gen. 2 in a properly tuned box is excellent for this smaller sized driver. Typically, in a Bass-Reflex or Vented box, lower responses close to 40Hz can be obtained.

Many technical improvements has been done. 1 – Improved stiffer frame. 2 – New cap design with new improved fitting method. 3 – New Japanese deigned coil. 4 – New spider for improved bass. 5 – Two color choice (natural paper and black paper cones)

The CHP-70A Gen. 2 is an excellent “classic” and “natural” sound driver.

The CHP-70A Excursion Arrestor will make a sound when exceeding the drivers excursion limits.

Additional information

Weight 1.8 kg
Dimensions 31 × 16 × 9 cm
Fs

72.3 Hz

Re

7.2 Ohm

Sd

5.02 K/mm/2

Vas

4.7 Ltrs

Cms

1.31 µM/N

Mmd

3.49 g

Mms

3.7 g

Bl

4.24 Tm

Qms

2.3

Qes

.67

Qts

.52

Le

30.61 µH

Spl

86.5 dB

Power (nominal)

20 Watt

X max

4.2mm (one way)

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