Spendor Classic 4/5 is a 2-way Passive Acoustic Suspension Bookshelf speaker by Spendor. It was released in 2022. It features a 0.87" Tweeter and 1 x 5.91" Woofer.
2-way sealed. LF 6" (150 mm). HF 0.866" (22 mm).
The speaker has a frequency range of 55-25k Hz and a sensitivity of 84 dB. Spendor Classic 4/5 has an MSRP of 2999$ per pair.
Room Size Suitability
The size of the room where you plan to use the Spendor Classic 4/5 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 | Good |
| Small Room | Good |
| Mid-size Room | Average |
| Large Room | Poor |
| Very Large Room | No way |
(* 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 Spendor Classic 4/5 Speaker
Spendor Classic 4/5 has a Frequency response range of 55-25k Hz at ±3dB. With a minimum frequency of 55 Hz, Classic 4/5 delivers moderate bass depth so depending on your use case, you might want to consider adding a subwoofer to your system.
Here we have a comparison of how Classic 4/5's Low frequency value compares with the average, max and min Low frequency values in its class.
Low Frequency
Bookshelf Speakers
Thinking about a subwoofer for the Spendor Classic 4/5?
Among the speakers in our database with a max MSRP price of 3000$ (Pair), these are the 5 Passive Bookshelf speakers that have the deeper bass levels than the Spendor Classic 4/5's 55Hz:
Crossover frequency of the Spendor Classic 4/5?
The crossover frequency of the Classic 4/5 is set to 4.2 kHz. 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
Spendor Classic 4/5's nominal impedance level is
8 ohms and has a sensitivity of
84 dB.
Sensitivity
Bookshelf Speakers
8 Ohms is pretty much the standard nominal impedance amongst stereo speakers and amplifiers so Spendor Classic 4/5 is not considered a difficult to drive speaker from nominal Impedance perspective.
Sensitivity
With a sensitivity level of only 84 dB, Spendor Classic 4/5 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 Spendor Classic 4/5 plays in your room →
What amplifier does the Spendor Classic 4/5 need?
At normal listening levels in a medium room, about
30–475 W
per channel into 8 ohms.
Set your own conditions and we will rank every amplifier we cover.
Prefer to browse? Integrated amplifiers under $3,000, or every amplifier we cover.
Input Type
Classic 4/5 features Binding post type connectors. Bi-amping and Bi-wiring are not possible.
Work out what gauge speaker cable this run needs →
Spendor Classic 4/5 External Dimensions and Weight
Spendor Classic 4/5 has external dimensions of (Height x Width x Depth) 12.1 x 7.4 x 6.5inch (307.3 x 188.0 x 165.1mm ).
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 Spendor Classic 4/5 is approximately 310.4cm2 / 48.1inch2.
Find speakers that fit your shelf or alcove → · Work out where they should sit in the room →
WeightThe Spendor Classic 4/5 weighs 4.99kg / 11lbs per piece. Here is a comparison of how Classic 4/5's weight compares with the average, max and min weights in its class.
Weight
All Bookshelf Speakers
Weight
Bookshelf Speakers under $3000
Cabinet type and Materials
Spendor Classic 4/5 has a
Acoustic Suspension type cabinet. Acoustic Suspension loudspeakers aka Sealed speakers have no openings such as ports or slots.. They can be designed smaller, the bass is more accurate and tighter compared to ported designs but doesn't go as low on the lower end in general.
Wall Mounting
Classic 4/5 doesn't sport any built-in mounting bracket, so you need an external structure to mount it on walls.
Does the Spendor Classic 4/5 come with a Grille?
Classic 4/5 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 Spendor Classic 4/5.
- Speaker Cable and Connectors
- 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.
- 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.
Official Product Page
Official manufacturer's product page for the Spendor Classic 4/5 speaker can be found below:
Official Product Page for Spendor Classic 4/5