DALI Alteco C-1 is a 2-way Passive Bass Reflex Surround speaker by DALI. It was released in 2017. It features a 0.83" Soft-Dome Tweeter and 1 x 4.5" Wood fibre Woofer.
DALI publishes the driver complement as: 1 x 4½ inch low/mid, 1 x 21 mm soft dome high frequency.
The speaker has a frequency range of 74-26k Hz and a sensitivity of 83 dB. DALI Alteco C-1 has an MSRP of 900$ per pair.
Frequency Response of the DALI Alteco C-1 Speaker
DALI Alteco C-1 has a Frequency response range of 74-26k Hz and Power Range of 40-100 watts. With a minimum frequency of 74 Hz, it is hard to expect a strong bass response from Alteco C-1 so depending on your use case, using a subwoofer will significantly help to widen the response range.
Here we have a comparison of how Alteco C-1's Low frequency value compares with the average, max and min Low frequency values in its class.
Low Frequency
Surround Speakers
Thinking about a subwoofer for the DALI Alteco C-1?
Crossover frequency of the DALI Alteco C-1?
The crossover frequency of the Alteco C-1 is set to 2100Hz. This is the threshold frequency where the higher frequency signals over this level are sent to the tweeter and the lower-frequency signals are sent to the woofer by the crossover component.
Impedance and Sensitivity
DALI Alteco C-1's nominal impedance level is
6 ohms and has a sensitivity of
83 dB.
Sensitivity
Surround Speakers
Nominal Impedance of the 6 Ohms makes the DALI Alteco C-1 a relatively difficult to drive speaker compared to more frequently found 8 ohms speakers from nominal Impedance perspective.
Sensitivity
With a sensitivity level of only 83 dB, DALI Alteco C-1 is a difficult to drive speaker from Sensitivity perspective, make sure to choose an amplifier with a high output if you like listening to your music at high volume levels. You may especially have a hard time using Tube amplifiers which are traditionally very low power compared to Class A/B or Class D amps. Work out how loud the DALI Alteco C-1 plays in your room →
Running more than one pair from a single amplifier? Check the load it would present →
What amplifier does the DALI Alteco C-1 need?
At normal listening levels in a medium room, about
50–100 W
per channel into 6 ohms.
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Input Type
Alteco C-1 features Binding post type connectors. Bi-amping and Bi-wiring are not possible.
Work out what gauge speaker cable this run needs →
DALI Alteco C-1 External Dimensions and Weight
DALI Alteco C-1 has external dimensions of (Height x Width x Depth) (265 x 160 x 200 mm ).
Base Surface Area
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited.
The base area of DALI Alteco C-1 is approximately 320.0cm2 / 49.6inch2.
Find speakers that fit your shelf or alcove →
Cabinet type and Materials
DALI Alteco C-1 has a
Bass Reflex type cabinet. Bass Reflex type loudspeakers (aka Ported, Vented or Reflex Port) have enclosures that uses a port, hole or vent cut into the cabinet. Ported designs are generally more efficient than the Sealed designs.
Does the DALI Alteco C-1 come with a Grille?
Alteco C-1 comes with grilles. The purpose of the grille is to protect the delicate driver elements from external impacts while still allowing the sound to pass as clearly as possible.
Recommended Accessories
Here is a list of accessories that we think you may need for the DALI Alteco C-1.
Official Product Page
Official manufacturer's product page for the DALI Alteco C-1 speaker can be found below:
Official Product Page for DALI Alteco C-1
Warranty
5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.