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Focal Theva No1 Review
Focal Theva No1

Main Features

  • 1" inverted dome Tweeter
  • 6.5" Slatefiber Woofer
  • 58-28kHz Frequency Response
  • 89 dB Sensitivity
  • Impedance: 8ohms
  • Power Range: 25-120watts
  • Weight:15.00 lbs / 6.82 kg
  • Dimensions(HxWxD): 15-3/8"x8-3/8"x10-1/4" / 391.0 x 213.0 x 261.0mm
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Focal Theva No1 Review
Focal Theva No1 Focal Theva No1
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Focal Theva No1 is a 2-way Passive Bass Reflex Bookshelf speaker by Focal. It features a 1" inverted dome Tweeter and 1 x 6.5" Slatefiber Woofer. The speaker has a frequency range of 58-28kHz and a sensitivity of 89 dB. Focal Theva No1 has an MSRP of 998$ per pair.

Room Size Suitability

The size of the room where you plan to use the Focal Theva No1 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.)

Focal Theva No1  Lifestyle
Focal Theva No1 Lifestyle

Focal's Theva Series of Loudspeakers

Theva No1 is a member of Focal's Theva series of Passive speakers. Below you can see the main specs of these speakers.

Focal Theva Series Speakers
Model Frequency SensitivityImpedance Woofer
Focal Theva No1
58-28k Hz 89 dB8Ω 1 x 6.5"
Focal Theva No2
Compare
53-28k Hz 90 dB8Ω 2 x 6.5"
Focal Theva No3
Compare
48-28k Hz 91 dB8Ω 2 x 6.5"
Focal Theva Center
Compare
59-28k Hz 91 dB8Ω 2 x 6.5"
Focal Theva No3-D
Compare
48-28k Hz 91 dB8Ω 2 x 6.5"
Focal Theva Series Speakers
Focal Theva Series Speakers


**This post contains affiliate links, and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.

Frequency Response of the Focal Theva No1 Speaker

Focal Theva No1 has a Frequency response range of 58-28kHz at ±3dB and Power Range of 25-120 watts. With a minimum frequency of 58 Hz, Theva No1 delivers moderate bass depth so depending on your use case, you might want to consider adding a subwoofer to your system.

To focus on the subwoofers that are in a similar price range with Focal Theva No1, check out the Powered Subwoofers under $1000. Alternatively, find the Full list of Powered Subwoofers regardless of the price.
Here we have a comparison of how Theva No1's Low and High frequency values compare with the average, max and min Low and High frequency values in its class.
Low Frequency
Bookshelf Speakers
Focal Theva No1
Min
Average
Max
High Frequency
Bookshelf Speakers
Focal Theva No1
Min
Average
Max
Focal Theva No1 Woofer
Focal Theva No1's Slatefiber Woofer

Among the speakers in our database with a max MSRP price of 1000$ (Pair), these are the 3 Passive Bookshelf speakers that have the deeper bass levels than the Focal Theva No1's 58Hz:

  • B&W 607 S2 with Low Frequency of 52 Hz (Compare w/ Theva No1)
  • B&W 606 S2 with Low Frequency of 52 Hz (Compare w/ Theva No1)
  • B&W 607 S3 with Low Frequency of 52 Hz (Compare w/ Theva No1)

Crossover frequency of the Focal Theva No1?

The Crossover frequency of the Theva No1 is set to 3000 Hz. 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

Focal Theva No1's nominal impedance level is 8 ohms but can go down to as low as 4.6 ohms, and has a sensitivity of 89 dB.

Sensitivity
Bookshelf Speakers
Focal Theva No1
Min
Average
Max

8 Ohms is pretty much the standard nominal impedance amongst stereo speakers and amplifiers so Focal Theva No1 is not considered a difficult to drive speaker from nominal Impedance perspective.

Sensitivity

89dB of the Focal Theva No1 is an average sensitivity for stereo speaker so it is neither easy nor difficult to drive Sensitivity wise.

Minimum Impedance of the Focal Theva No1

Even though the nominal impedance of the Theva No1 is 8 ohms, the minimum impedance level of this speaker according to Focal is 4.6 ohms Focal Theva No1 so while choosing an amplifier, you should ideally check if the unit you are considering can provide this impedance level.

Check the amplifiers that are in a similar price range to the Focal Theva No1:

  • Integrated Amps under 750 USD
  • Integrated Amps under 1000 USD
  • Integrated Amps under 1500 USD
  • All Integrated Amplifiers

Input Type

Theva No1 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.

Focal Theva No1 Back View
Focal Theva No1 Back View

Focal Theva No1 External Dimensions and Weight

Focal Theva No1 has external dimensions of (Height x Width x Depth) 153/8 x 83/8 x 101/4 (391.0 x 213.0 x 261.0mm ).

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 Focal Theva No1 is approximately 555.9cm2 / 86.2inch2.

Weight

The Focal Theva No1 weighs 6.82kg / 15lbs per piece. Here is a comparison of how Theva No1's weight compares with the average, max and min weights in its class.

Weight
All Bookshelf Speakers
Focal Theva No1
Min
Average
Max
Weight
Bookshelf Speakers under $1000
Focal Theva No1
Min
Average
Max
Focal Theva No1  on a Stand
Focal Theva No1 on a Stand

Cabinet type and Materials

Focal Theva No1 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

Focal Theva No1 is a rear-firing port speaker so you have to make sure you leave enough space between the back of the speaker and wall or bookshelf so that it has room to breathe.

Available colors

Focal Theva No1 is available in Black High Gloss, Dark Wood and Light Wood.

Focal Theva No1  Colors
Focal Theva No1 Colors

Wall Mounting

Theva No1 doesn't sport any built-in mounting bracket, so you need an external structure to mount it on walls.

Does the Focal Theva No1 come with a Grille?

Theva No1 comes with magnetic grilles in Black color choices. 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 Theva No1 is magnetic type, it is very easy to put it on and off.

Focal Theva No1  with Grille
Focal Theva No1 with Grille

Recommended Accessories

Here is a list of accessories that we think you may need for the Focal Theva No1.

  • 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 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.
  • Speaker Stands: Stands bring your bookshelf speakers to ideal height (rule of thumb is to have the tweeter level with your ear in your listening position), helps stability and acoustical isolation.

User's Manual

For more information about how to setup, use and maintain the Focal Theva No1, use the direct link below to download the official manual document:
Download User Manual for Focal Theva No1

Official Brochure

Here is a link to download the official brochure for the Focal Theva No1 speaker:
Official Brochure for Focal Theva No1

Official Product Page

Official manufacturer's product page for the Focal Theva No1 speaker can be found below:
Official Product Page for Focal Theva No1

Warranty

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

Related Videos

Focal Theva No1 Alternatives in Passive Bookshelf Speakers
Model Type Sensitivity Impedance Frequency
Focal Vestia No1
Compare
2-way 89.5 dB 8 ohms 56-30k Hz
B&W 606
Compare
2-way 88 dB 8 ohms 52-28k Hz
KEF Q350
Compare
2-way 87 dB 8 ohms 63-28k Hz
Triangle Borea BR03
Compare
2-way 90 dB 8 ohms 46 - 22k Hz
B&W 607 S3
Compare
2-way 84 dB 8 ohms 52-28k Hz
Klipsch RP-600M
Compare
2-way 96 dB 8 ohms 45-25k Hz
Focal Theva No2
Compare
2-way 90 dB 8 ohms 53-28kHz
Focal Theva No3-D
Compare
3-way 91 dB 8 ohms 48-28kHz
Frequently Asked Questions about Focal Theva No1
What is the External Dimensions of Focal Theva No1
What is the Speaker Sensitivity of Focal Theva No1
is the Focal Theva No1 an easy to drive speaker?

Focal Theva No1 Detailed Specifications

General
BrandFocal
Full Model NameFocal Theva No1
Speaker Type2-way Bookshelf
Power Range25-120 watts
Sensitivity89 dB
Impedance8 ohms
Frequency Response58-28kHz
DRIVERS
Woofer Size6.5-inch
Woofer CompositionSlatefiber
Woofer SurroundRubber
Tweeter Size1-inch
Tweeter Typeinverted dome
Crossover freq3000 Hz
Port Positionrear

CONNECTIONS
Connector TypeBinding post
Biamp InputsYes
Port Positionrear
PHYSICAL SPECS
Height391.0mm ( 15-3/8-inch)
Width213.0mm ( 8-3/8-inch)
Depth261.0mm ( 10-1/4-inch)
Height391.0mm ( 15-3/8-inch)
Weight6.82kg ( 15.00 lbs)
EnclosureBass Reflex
Available ColorsBlack High Gloss,Dark Wood,Light Wood
Mounting BracketNo
GrilleYes
Moisture ResistanceNo
OTHER
Handheld RemoteNo
Parts Warranty5 Years
Labor Warranty5 Years
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