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  1. Home
  2. Triangle Speakers
  3. Passive Center Channel Speakers
  4. Triangle Signature Gamma
Triangle Gamma Review
Triangle Signature Gamma - Front View

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Main Features

  • 1" Horn-Loaded Tweeter
  • 2 x 6.5" Paper Woofer
  • 45-22k Hz Frequency Response
  • 90 dB Sensitivity
  • Impedance: 8ohms
  • Power Range: up to 90 watts
  • Dimensions(HxWxD): 10-1/4"x22-15/16"x15" / 260.0 x 582.0 x 381.0mm
MSRP: $2,700 (list price)
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Triangle Signature Gamma Review
Triangle Signature Gamma Triangle Signature G...
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Made by Triangle · France · since 1980 · sold through dealers

Triangle Signature Gamma is a 2-way Passive Bass Reflex Center Channel speaker by Triangle. It was released in 2022. Center channel speaker is an important component of a home theater system set-up as it delivers the listener significant part of the on-screen dialogue from your television. It features a 1" Horn-Loaded Tweeter and 2 x 6.5" Paper Woofer.

The Signature centre: two 165 mm small-pleat midwoofers and the horn-loaded titanium dome, front ported, voiced to match the Alpha and Delta.

The speaker has a frequency range of 45-22k Hz and a sensitivity of 90 dB. Triangle Signature Gamma has an MSRP of 2700$.

Room Size Suitability

The size of the room where you plan to use the Triangle Signature Gamma 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-fieldPoor
Small RoomAverage
Mid-size RoomGood
Large RoomAverage
Very Large RoomPoor

(* 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

Gamma 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
Model Frequency SensitivityImpedance Woofer
Triangle Signature Delta
Compare
35-22k Hz 92 dB8Ω 2 x 6.5"
Triangle Signature Alpha
Compare
32-22k Hz 92 dB8Ω 3 x 6.5"
Triangle Signature Theta
Compare
45-20k Hz 90 dB8Ω 1 x 6.5"
Triangle Signature Gamma
45-22k Hz 90 dB8Ω 2 x 6.5"

Frequency Response of the Triangle Signature Gamma Speaker

Triangle Signature Gamma has a Frequency response range of 45-22k Hz at ±3dB and Power Range of up to 90 watts.

Here we have a comparison of how Gamma's Low frequency value compares with the average, max and min Low frequency values in its class.
Low Frequency
Center Channel Speakers
Triangle Signature Gamma
Min
Average
Median

Crossover frequency of the Triangle Signature Gamma?

The crossover frequency of the Gamma is set to 2500Hz. 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.

Triangle Signature Gamma driver frequency bands45-2.5kWoofer 6.5"2.5k-22kTweeter 1"20501002005001k2k5k10k20k40kHz, log scale

Impedance and Sensitivity

Triangle Signature Gamma's nominal impedance level is 8 ohms but can go down to as low as 4 ohms, and has a sensitivity of 90 dB.

Sensitivity
Center Channel Speakers
Triangle Signature Gamma
Min
Average
Median

8 Ohms is pretty much the standard nominal impedance amongst stereo speakers and amplifiers so Triangle Signature Gamma is not considered a difficult to drive speaker from nominal Impedance perspective.

Sensitivity

90dB of the Triangle Signature Gamma is an average sensitivity for stereo speaker so it is neither easy nor difficult to drive Sensitivity wise. Work out how loud the Triangle Signature Gamma plays in your room →

Minimum Impedance of the Triangle Signature Gamma

Even though the nominal impedance of the Gamma is 8 ohms, the minimum impedance level of this speaker according to Triangle is 4 ohms Triangle Signature Gamma 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 Gamma need?

At normal listening levels in a medium room, about 7.5–90 W per channel into 8 ohms. Set your own conditions and we will rank every amplifier we cover.

We check power, impedance safety and current delivery - not just watts.

Prefer to browse? Integrated amplifiers under $3,000, or every amplifier we cover.

Input Type

Gamma features Binding post type connectors.

Work out what gauge speaker cable this run needs →

Triangle Signature Gamma External Dimensions and Weight

Triangle Signature Gamma has external dimensions of (Height x Width x Depth) 10-1/4 x 22-15/16 x 15inch (260.0 x 582.0 x 381.0mm ).

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 Gamma is approximately 2217.4cm2 / 343.7inch2.

Find speakers that fit your shelf or alcove →

Cabinet type and Materials

Triangle Signature Gamma 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 Gamma 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 Gamma come with a Grille?

Gamma comes with magnetic 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. Since the included grille of the Gamma is magnetic type, it is very easy to put it on and off.

Recommended Accessories

Here is a list of accessories that we think you may need for the Triangle Signature Gamma.

  • Speaker Cable and Connectors
    • Speaker Cables with Banana Plugs: If you know the lenght of the cable you need, this is the easier option to connect your speakers with your amp.
    • Speaker Cables without Connectors: If you are not sure about the lenght or need longer than standard cables with plugs, choose this option.
    • Banana Connectors and Plugs: If you chose the cables without connectors option or already have some cable around, pick the banana plugs separately.
  • Vibration Isolators: IsoAcoustics isolators are our favorite isolators but you may find more affordable options too.
  • Acoustic Panels and Treatments: Your room is as important as your stereo equipment so acoustic treatments goes a long way in improving the overall performance.

Official Product Page

Official manufacturer's product page for the Triangle Signature Gamma speaker can be found below:
Official Product Page for Triangle Signature Gamma

Warranty

5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.

Triangle Signature Gamma Alternatives in Passive Center Channel Speakers
Model Type Sensitivity Impedance Frequency
Triangle Signature Delta
Compare
3-way 92 dB 8 ohms 35-22k Hz
Triangle Signature Alpha
Compare
3-way 92 dB 8 ohms 32-22k Hz
Triangle Signature Theta
Compare
2-way 90 dB 8 ohms 45-20k Hz
Frequently Asked Questions about Triangle Signature Gamma

What amplifier do you need for the Triangle Signature Gamma?

Triangle rates the Triangle Signature Gamma for up to 90 watts of amplifier power. It is an 8-ohm speaker, the usual nominal load, so almost any amplifier or receiver can drive it.

Is the Triangle Signature Gamma easy to drive?

The Triangle Signature Gamma has a sensitivity of 90 dB. That is high: it goes loud on modest power, so it suits low-powered amplifiers, including valve/tube designs.

Does the Triangle Signature Gamma need a subwoofer?

The Triangle Signature Gamma reaches down to 45Hz (full range 45-22k Hz). That is deep enough that many listeners will not feel the need for a subwoofer with music.

What drivers does the Triangle Signature Gamma use?

The Triangle Signature Gamma is a 2-way design using a 1" Horn-Loaded tweeter and 2 x 6.5" Paper woofers.

Is the Triangle Signature Gamma sealed or ported?

The Triangle Signature Gamma uses a Ported enclosure. A ported design uses a tuned vent to get more low-end output from the same driver, but it wants some breathing room behind it.

Does the Triangle Signature Gamma come with grilles?

Yes. The Triangle Signature Gamma comes with removable grilles.

How much does the Triangle Signature Gamma cost?

The Triangle Signature Gamma has a manufacturer's list price (MSRP) of $2,700 per pair.


Triangle Signature Gamma Detailed Specifications

General
BrandTriangle
Full Model NameTriangle Signature Gamma
Speaker Type2-way Center Channel
Power Rangeup to 90 watts
Sensitivity90 dB
Impedance8 ohms
Frequency Response45-22k Hz
Release Date2022
DRIVERS
Woofer Size6.5-inch
Woofer CompositionPaper
Tweeter Size1-inch
Tweeter TypeHorn-Loaded
Crossover freq2500Hz
Port Positionfront

CONNECTIONS
Connector TypeBinding post
Port Positionfront
PHYSICAL SPECS
Height260.0mm ( 10-1/4-inch)
Width582.0mm ( 22-15/16-inch)
Depth381.0mm ( 15-inch)
Height260.0mm ( 10-1/4-inch)
Weight—
EnclosureBass Reflex
GrilleYes
Moisture ResistanceNo
OTHER
Handheld RemoteNo
Parts Warranty5 Years
Labor Warranty5 Years
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