In this review, we will be comparing Denton 85 and Ultra Bookshelf, two Passive Bookshelf speakers  from Wharfedale and SVS. 
                
            Let's have a brief look at the main features
            of Wharfedale Denton 85 and SVS Ultra Bookshelf first before getting into our more
            detailed comparison.
        
     
    
        
            Wharfedale Denton 85 Key Specs
            
							
                                - 2-way Design
- 1" Soft-Dome Tweeter
- 6.5" Woven Kevlar Woofer
- 45-20k Hz Frequency Response
- 88 dB Sensitivity
- Impedance: 4ohms
- Power Range:20-120watts
- Weight:9.00kg
- Dimensions (H x W x D): 342.0" x 9-7/16" x 11-15/16"( 342.0 x 240.0 x 304.0mm )
 
        
            SVS Ultra Bookshelf Key Specs
            
							
							- 2-way Design
-  1" Hard-Dome Tweeter
- 6.5" Composite glass-fiber Woofer
- 45-32k Hz Frequency Response
- 87 dB Sensitivity
- Impedance: 8ohms
- Power Range:20-150watts
- Weight:8.64kg
- Dimensions (H x W x D): 380.0" x 8-9/16" x 11-1/16"( 380.0 x 218.0 x 281.0mm )
 
     
    
                    
        
             What size room are the Wharfedale Denton 85                and SVS Ultra Bookshelf speakers good for?
            
                The size of the room in which you are planning to use these loudspeakers is an important decision
                factor. Here we have compared their suitability to various sizes of environments considering their size
                and max power parameters:
            
         
        
            
                
                    
                    
                        | Listening Environment* | Wharfedale Denton 85 | SVS Ultra Bookshelf | 
                    
                    
                    
                        | Near-field | Poor | Poor | 
                    
                        | Small Room | Average | Average | 
                    
                        | Mid-size Room | Good | Good | 
                    
                        | Large Room | Average | Average | 
                    
                        | Very Large Room | Poor | Poor | 
                    
                
             
         
        
             (* 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.)
        
    
    
        In the following sections, we will get into more detail in order to better understand how the Wharfedale Denton 85 and SVS Ultra Bookshelf compare and hopefully end up with enough arguments to decide which one of these loudspeakers is the better choice for you.
    
    
        
        
        **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.
        
        
     
    
    
         Drivers
        
             Both Denton 85 and Ultra Bookshelf are 2-way speakers.         
        
            
                
                    
                    
                        | Driver | Wharfedale Denton 85 | SVS Ultra Bookshelf | 
                    
                    
                    
                        | Driver Setup | 2-way | 2-way | 
                                        
                        | Tweeter | 1-inch | 1-inch | 
                    
                        | Midrange | - | - | 
                    
                        | Woofer | 1 x 6.5-inch | 1 x 6.5-inch | 
                    
                
             
         
         Denton 85 features a 1" woven textile Soft-Dome Tweeter  and 1 x 6.5" Woven Kevlar Woofer  with a Crossover frequency at  3100Hz.  On the other hand, the Ultra Bookshelf features a 1" aluminum Hard-Dome Tweeter  and 1 x 6.5" Composite glass-fiber Woofer  with a Crossover frequency at  2000Hz. 
     
    
         Frequency Response
        
            Denton 85 has a frequency range of   45-20k Hz whereas Ultra Bookshelf has a frequency range of 45-32k Hz. 
Below graphs depict how these two speakers compare with the max, min and average values of the Min and Max Frequencies of other speakers in the Bookshelf class in our database.         
     
    
        
            Low Frequency
            Bookshelf Speakers
            
            
            
            
            
         
        
            High Frequency
            Bookshelf Speakers
            
            
            
            
            
         
     
     None of these speakers achieves full range experience which is commonly agreed as 20Hz-20kHz. In order to achieve lower lows / deeper bass, we recommend you pair these with a subwoofer. Visit our Powered Subwoofers section to find out more about the available options.
    
         Impedance and Sensitivity
        
            Denton 85 is a  4 ohms speaker compared to the Ultra Bookshelf which has a nominal impedance of 8 ohms.  Lower  impedance speakers, especially the ones that are rated at 4 ohms may put more pressure on the amplifier unit especially when played at high volume levels, so make sure the amp you pair with the Denton 85 can provide this impedance level. 
These two speakers also have different sensitivity levels. Denton 85 sensitivity is rated at  88 dB and the Ultra Bookshelf's is rated at 87 dB.  This 1 dB difference makes the Wharfedale Denton 85 a more sensitive speaker compared to SVS Ultra Bookshelf, hence will play louder  with the same amount of watts.
         
        
        
            
                Sensitivity
                Bookshelf Speakers
                
                
                
                
                
             
         
    
            
            
            
 Power Range
            Power
                range is the range of input power in watts RMS that a loudspeaker is designed to handle. While using
            an amplifier within this range ensures the nominal performance , inputting a power that is higher than the
            max wattage can result in a damaged speaker.
            
Denton 85 can handle a max power of   150 watts RMS from the amp the whereas Denton 85 has a max power handling value of 120 watts RMS , 30 watts less than the Ultra Bookshelf.             
            Keep in mind that a higher max power handling value doesn't necessarily make that a louder speaker
                compared to a lower max handling speaker. Loudness or the sound level is also impacted by parameters
                such as Impedance, sensitivity and system efficiencies.
            
         
    
            
        
 Input Type and Bi-Amping / Bi-Wiring
        Both Denton 85 and  Ultra Bookshelf features dual binding post speaker terminals for bi-amping or bi-wiring.         
                    
                 Wharfedale Denton 85's Post terminals  allows Bi-amping or bi-wiring
                
                    Wharfedale Denton 85's Post terminals  allows Bi-amping or bi-wiring                
            
            
                        
                    
                 SVS Ultra Bookshelf's 5-way post terminals  allows Bi-amping or bi-wiring
                
                    SVS Ultra Bookshelf's 5-way post terminals  allows Bi-amping or bi-wiring                
            
            
        
    
             Cabinet Type and Port Position
        
            Both Denton 85 and  Ultra Bookshelf have rear firing ports. Rear ported speakers generally need more room between the backside of the speaker and the wall compared to sealed and  front/bottom ported speakers. Placing the speakers too close to the walls may cause the bass to sound boomy.
 If you are limited in space and can't get the speakers away from the backwall, check our  Speakers with Front Firing Ports page.
        
            
    
 Physical Specs 
		 Size of a speaker can sometimes become an important decision factor due to space constraints or in some cases purely for esthetic reasons. In this section, we are going to compare Wharfedale Denton 85's and SVS Ultra Bookshelf's external dimensions. Wharfedale Denton 85 has external dimensions of 342.0 x 240.0 x 304.0mm ( 13-7/16 x 9-7/16 x 11-15/16inch)  whereas SVS Ultra Bookshelf has external dimensions of 380.0 x 218.0 x 281.0mm ( 14-15/16 x 8-9/16 x 11-1/16inch) .
 SVS Ultra Bookshelf is 22mm narrower and 23mm less deeper than Wharfedale Denton 85 but it is also 38mm taller. 
		
			Below you can see the front view size comparison of Wharfedale Denton 85 and SVS Ultra Bookshelf in scale.        
    
                 Comparison image of Wharfedale Denton 85 and SVS Ultra Bookshelf Size and External Dimensions
    
        Comparison image of Wharfedale Denton 85 and SVS Ultra Bookshelf Size and External Dimensions    
    
    
        Base Surface Area Comparison
        Base surface area of a loudspeaker may become a  determining factor when the space in your room or desk is limited.
        The base surface area of the Wharfedale Denton 85 is approximately 729.6cm2 / 113.1inch2 and          base area of the SVS Ultra Bookshelf is approximately 612.6cm2 / 95.0inch2.         The Denton 85 requires 19% more surface area than the Ultra Bookshelf which gives it a small disadvantage on placement in tight spaces.      
 
        
        
        
        
        
Weight Comparison The weight of a loudspeaker can become an important factor if you need to move and reposition the unit often. Weight of a speaker can also "sometimes" be an indicator of the rigidity of the enclosure and the quality of the internal components used. The Wharfedale Denton 85 weighs 9.00kg / 19.8lbs and the SVS Ultra Bookshelf weighs 8.64kg / 19lbs. This makes the Denton 85 4% heavier than the Ultra Bookshelf. 
Here is a comparison of how Denton 85 and Ultra Bookshelf's weights compare with the average, max and min weights in Passive Bookshelf class.
    
        Weight
        All Bookshelf Speakers
        
        
        
        
        
     
     
            
        
 What's in the Box of Wharfedale Denton 85? 
        Here are the items that are included inside the box of Denton 85:
        
2 Bookshelf loudspeakers 2 Grilles 4 Jumper-bars (pre-installed) 8 Self-adhesive rubber feet Pair of white cloth gloves User Manual        
                
        
 What's in the Box of SVS Ultra Bookshelf? 
        Here are the items that come with the Ultra Bookshelf:
        
2 Bookshelf loudspeakers2 Grilles8 Rubber feet2 Terminal jumpers (pre-installed)Owners ManualSVS brochureOnline Product Registration Card        
    
                    
                    
                    
                    
                        
                        
                            
                                                            
                                    |  Sensitivity | 88 dB
                                        vs
                                         87 dB | Play louder with same amount of amplification power | 
                                                            
                                    |  Height | 342mm
                                        vs
                                         380mm | Easier to fit in smaller spaces | 
                                                            
                                    |  Price per pair* | 999USD
                                        vs
                                         1200USD | costs less (*prices may change depending on the seller, location and time) | 
                                                        
                        
                    
                    
                        
                        
                            
                                                            
                                    |  Max Input Power | 150 watts
                                        vs
                                         120 watts | Handle more power  from your amplifier | 
                                                            
                                    |  Nominal Impedance | 8 ohms
                                        vs
                                         4 ohms | Less selective with amplifiers | 
                                                            
                                    |  High Frequency Response | 32k Hz
                                        vs
                                         20k Hz | Generates higher frequency | 
                                                            
                                    |  Base Surface Area | 612cm2
                                        vs
                                         729cm2 | Takes less floor space | 
                                                        
                        
                    
                    
                        
			
			
				
					| General | Wharfedale Denton 85 | SVS Ultra Bookshelf | 
						| Brand | Wharfedale | SVS | 
					
						| Speaker Type | Bookshelf speakers | Bookshelf speakers | 
                                        
                        | Power Range | 20-120 watts | 20-150 watts | 
                    
                    
                                            
                            | Sensitivity | 88 dB | 87 dB | 
                                                                
                            | Impedance | 4 ohms | 8 ohms | 
                    
                                            
                            | Impedance | 3.8 ohms | n/a | 
                    
                    
                        | Frequency Response | 45-20k Hz | 45-32k Hz | 
                    
					
					
					Drivers |  |  | 
                        | Woofer Quantity | 1 | 1 | 
                
                    | Woofer Size | 6.5" | 6.5" | 
                    
                        | Woofer Composition | Woven Kevlar | Composite glass-fiber | 
                                    
                        | Woofer Surround Material | Rubber | Rubber | 
                
					
                        | Tweeter Size | 1" | 1" | 
                                    
                        | Tweeter Type | Soft-Dome | Hard-Dome | 
                
					
					
                    
                        | Aimable Tweeter | No | No | 
					
					
                        | Midrange Driver | No | No | 
                                    
                        | Crossover Frequency | 3100Hz | 2000Hz | 
                
                                    
                        | Firing Direction | rear | rear | 
                
                
					
					Physical Specs |  |  | 
                        | Height | 342.0mm (13.5") | 380.0mm (15") | 
                
                    | Width | 240.0mm (9.4") | 218.0mm (8.6") | 
                
                    | Depth | 304.0mm (12") | 281.0mm (11.1") | 
					
                					
                        | Weight | 9.00kg (19.8lbs) | 8.64kg (19lbs) | 
                					
                    | Enclosure | Bass Reflex | Bass Reflex | 
                                    
                        | Finish | MDF/Wood Veneer | MDF/Oak veneer | 
                
                                    
                        | Available Colors | Walnut, Mahogany, Black | Black Oak,Piano Gloss Black,Piano Gloss White | 
                
                					
                    | Mounting Bracket | No | No | 
                
                                    
                        | Recommended Stand Height | 24-28" | 22-28" | 
                                                    
                        | Grille | Yes | Yes | 
                					
                        | Moisture Resistancy | No | No | 
                
					Connections |  |  | 
                        | Biamp Inputs | Yes | Yes | 
                
                                                                                                                                
                
				Other |  |  | 
                    | Parts Warranty | 5 Years | 5 Years | 
					
					
                    | Labor Warranty | 5 Years | 5 Years |