Triangle Signature Alpha is a 3-way Passive Bass Reflex Floor-standing speaker by Triangle. It was released in 2022. It features a 1" Horn-Loaded Tweeter, 1 x 6.5" Midrange and 3 x 6.5" Double ferrite fibreglass Woofer.
The largest Signature: three 165 mm fibreglass woofers, a small-pleat suspension midrange and the horn-loaded titanium dome, in a 21 mm cabinet of seven bonded fibreboards finished in piano lacquer. Triangle recommends it for rooms over 30 square metres.
The speaker has a frequency range of 32-22k Hz and a sensitivity of 92 dB. Triangle Signature Alpha has an MSRP of 7200$ per pair.
Room Size Suitability
The size of the room where you plan to use the Triangle Signature Alpha is a crucial factor in your decision. We have assessed its suitability for various room sizes based on its dimensions and maximum power output:
| Listening Environment* |
Suitability |
| Near-field | Are you nuts? |
| Small Room | Poor |
| Mid-size Room | Average |
| Large Room | Good |
| Very Large Room | Good |
(* Approximate Room sizes: Small < 100sq. ft / 9 m2, Mid-size: 100-220 sq. ft / 9-20 m2, Large 220-400 sq. ft / 20-36 m2, Very Large: > 400 sq. ft / 36 m2.
Average Floor Height: 9" / 2.7m. Typical room sizes differ from country to country, and the actual listening experience changes depending on floor height, room shape, surface materials, listening position, speaker locations, etc.)
Triangle's Signature Series of Loudspeakers
Alpha is a member of Triangle's Signature series of Passive speakers. Below you can see the main specs of these speakers.
See all 4 Triangle Signature models compared »
Triangle Signature Series Speakers
Frequency Response of the Triangle Signature Alpha Speaker
Triangle Signature Alpha has a Frequency response range of 32-22k Hz and Power Range of 60-500 watts. With a minimum frequency of 32 Hz, Alpha delivers deep bass that will likely satisfy most listeners, especially those who enjoy music. However, movie enthusiasts and music fans who prefer a full range of sound may still benefit from adding a subwoofer.
Here we have a comparison of how Alpha's Low frequency value compares with the average, max and min Low frequency values in its class.
Low Frequency
Floor-standing Speakers
Thinking about a subwoofer for the Triangle Signature Alpha?
Among the speakers in our database with a max MSRP price of 10000$ (Pair), these are the 5 Passive Floor-standing speakers that have the deeper bass levels than the Triangle Signature Alpha's 32Hz:
Crossover frequency of the Triangle Signature Alpha?
Alpha is a 3-way speaker and its crossover frequency between the woofer and the midrange is set to 290 Hz and the crossover frequency between the midrange and the tweeter is set to 2600 Hz.
Impedance and Sensitivity
Triangle Signature Alpha's nominal impedance level is
8 ohms but can go down to as low as
3.3 ohms, and has a sensitivity of
92 dB.
Sensitivity
Floor-standing Speakers
8 Ohms is pretty much the standard nominal impedance amongst stereo speakers and amplifiers so Triangle Signature Alpha is not considered a difficult to drive speaker from nominal Impedance perspective.
Sensitivity
92dB of the Triangle Signature Alpha is considered a high sensitivity compared to average stereo speaker which makes Alpha an easy to drive from Sensitivity perspective. If you are planning to power your speaker with a Tube amp which are generally very low power, the Triangle Signature Alpha will be a good choice. Work out how loud the Triangle Signature Alpha plays in your room →
Minimum Impedance of the Triangle Signature Alpha
Even though the nominal impedance of the Alpha is 8 ohms, the minimum impedance level of this speaker according to Triangle is 3.3 ohms Triangle Signature Alpha so while choosing an amplifier, you should ideally check if the unit you are considering can provide this impedance level.
What amplifier does the Triangle Signature Alpha need?
At normal listening levels in a medium room, about
4.7–75 W
per channel into 8 ohms.
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Input Type
Alpha has Binding post type connectors and lets bi-amping/bi-wiring. Bi-wiring can enhance the overall transparency of your loudspeakers by using separate speaker wires for the low and high-frequency drivers from a single amplifier. Bi-amping, on the other hand, involves using separate amplifiers for the high and low-frequency drivers, potentially resulting in a greater dynamic range and reduced distortion.
Work out what gauge speaker cable this run needs →
Triangle Signature Alpha External Dimensions and Weight
Triangle Signature Alpha has external dimensions of (Height x Width x Depth) 50 x 9-3/16 x 14-5/8inch (1270.0 x 233.0 x 372.0mm ).
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 Triangle Signature Alpha is approximately 866.8cm2 / 134.4inch2.
Find speakers that fit your shelf or alcove → · Work out where they should sit in the room →
WeightThe Triangle Signature Alpha weighs 34.50kg / 75.9lbs per piece. Here is a comparison of how Alpha's weight compares with the average, max and min weights in its class.
Weight
All Floor-standing Speakers
Weight
Floor-standing Speakers under $10000
Cabinet type and Materials
Triangle Signature Alpha 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.
Port Position
Triangle Signature Alpha is a front-firing port speaker, which gives you more flexibility compared to rear firing speakers when you need to place it close against a wall or other surfaces.
Does the Triangle Signature Alpha come with a Grille?
Alpha 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 Triangle Signature Alpha.
Official Product Page
Official manufacturer's product page for the Triangle Signature Alpha speaker can be found below:
Official Product Page for Triangle Signature Alpha
Warranty
5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.