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Tannoy Mercury 7.4 Review
Tannoy Mercury 7.4 - Front View

Main Features

  • Tweeter
  • " Woofer
  • 32-32k Hz Frequency Response
  • 93 dB Sensitivity
  • Impedance: 8ohms
  • Dimensions(HxWxD): "x"x" /
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Tannoy Mercury 7.4 Review
Tannoy Mercury 7.4 Tannoy Mercury 7.4
Check price atAmazon›

Tannoy Mercury 7.4 is a 2-way Passive Bass Reflex Floor-standing speaker by Tannoy. It was released in 2020. It features a Tweeter and x " Woofer.

178 mm (7”) Multi- fibre coated pulp paper cone x 2.

The speaker has a frequency range of 32-32k Hz and a sensitivity of 93 dB.

Room Size Suitability

The size of the room where you plan to use the Tannoy Mercury 7.4 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.)


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

Frequency Response of the Tannoy Mercury 7.4 Speaker

Tannoy Mercury 7.4 has a Frequency response range of 32-32k Hz at ±3dB. With a minimum frequency of 32 Hz, Mercury 7.4 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 Mercury 7.4's Low frequency value compares with the average, max and min Low frequency values in its class.
Low Frequency
Floor-standing Speakers
Tannoy Mercury 7.4
Min
Average
Median
Thinking about a subwoofer for the Tannoy Mercury 7.4?
  • Work out the crossover setting — it follows from this speaker's 32 Hz low end
  • Every powered subwoofer we cover, whatever the budget

Impedance and Sensitivity

Tannoy Mercury 7.4's nominal impedance level is 8 ohms and has a sensitivity of 93 dB.

Sensitivity
Floor-standing Speakers
Tannoy Mercury 7.4
Min
Average
Median

8 Ohms is pretty much the standard nominal impedance amongst stereo speakers and amplifiers so Tannoy Mercury 7.4 is not considered a difficult to drive speaker from nominal Impedance perspective.

Sensitivity

93dB of the Tannoy Mercury 7.4 is considered a high sensitivity compared to average stereo speaker which makes Mercury 7.4 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 Tannoy Mercury 7.4 will be a good choice. Work out how loud the Tannoy Mercury 7.4 plays in your room →

What amplifier does the Tannoy Mercury 7.4 need?

At normal listening levels in a medium room, about 3.8–60 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? See every integrated amplifier we cover.

Input Type

Mercury 7.4 features Binding post type connectors. Bi-amping and Bi-wiring are not possible.

Work out what gauge speaker cable this run needs →

Tannoy Mercury 7.4 External Dimensions and Weight

Tannoy Mercury 7.4 has external dimensions of (Height x Width x Depth) .

Work out where they should sit in the room →

Weight
All Floor-standing Speakers
Tannoy Mercury 7.4
Min
Average

Cabinet type and Materials

Tannoy Mercury 7.4 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 Tannoy Mercury 7.4 come with a Grille?

Mercury 7.4 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 Tannoy Mercury 7.4.

  • 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 Tannoy Mercury 7.4 speaker can be found below:
Official Product Page for Tannoy Mercury 7.4

Frequently Asked Questions about Tannoy Mercury 7.4

What amplifier do you need for the Tannoy Mercury 7.4?

The Tannoy Mercury 7.4 is an 8-ohm speaker, the usual nominal load, so almost any amplifier or receiver can drive it.

Is the Tannoy Mercury 7.4 easy to drive?

The Tannoy Mercury 7.4 has a sensitivity of 93 dB. That is high: it goes loud on modest power, so it suits low-powered amplifiers, including valve/tube designs.

Does the Tannoy Mercury 7.4 need a subwoofer?

The Tannoy Mercury 7.4 reaches down to 32Hz (full range 32-32k Hz). That is genuinely deep bass - a subwoofer is optional unless you want home-theatre effects below that.

Is the Tannoy Mercury 7.4 sealed or ported?

The Tannoy Mercury 7.4 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 Tannoy Mercury 7.4 come with grilles?

Yes. The Tannoy Mercury 7.4 comes with removable grilles.


Tannoy Mercury 7.4 Detailed Specifications

General
BrandTannoy
Full Model NameTannoy Mercury 7.4
Speaker Type2-way Floor-standing
Sensitivity93 dB
Impedance8 ohms
Frequency Response32-32k Hz
Release Date2020
DRIVERS
Woofer Size-inch
Woofer Composition

CONNECTIONS
Connector TypeBinding post
PHYSICAL SPECS
Heightmm ( -inch)
Widthmm ( -inch)
Depthmm ( -inch)
Heightmm ( -inch)
Weight—
EnclosureBass Reflex
GrilleYes
Moisture ResistanceNo
OTHER
Handheld RemoteNo
Parts Warranty
Labor Warranty
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