CHP-70 Generation 2
70mm Widerange drive unit
8ohm single ferrite magnet
- 4in natural and black uncoated paper composite cones available
- Wide operating range -rolled off high frequencies for vintage tone
- Low-profile cone –broad directivity pattern
- Long-stroke suspension
- Self-damping polymer basket
This updated (Gen. 2) CHP-70 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-70 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, for lower power applications, 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 -2 colour choice (natural paper and black paper cones)
The CHP-70 Gen. 2 is an excellent “classic” and “natural” sound driver.
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) |
Additional information
Weight | 2 kg |
---|---|
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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