1. Introduction
Thank you for purchasing the Denon SC-T33(M) Floor-Standing Speaker System. This manual provides essential information for the proper setup, operation, and maintenance of your speakers. Please read this manual thoroughly before use to ensure optimal performance and longevity of your product.

Image 1: Front view of the Denon SC-T33(M) floor-standing speakers, showcasing their wood grain finish and multiple drivers.
2. Key Features
- Direct Drive Super Tweeter: Equipped with a newly developed super tweeter capable of reproducing frequencies up to 90kHz, supporting high-resolution audio formats and delivering extended high-frequency response.
- P.P.D.D. (Push-Pull Dual Drive) Fiberglass Cone Woofers: Features two 12cm fiberglass cone woofers. The P.P.D.D. method, which involves mounting one woofer's edge in reverse, effectively cancels harmonic distortion, resulting in rich, distortion-free bass and clear mid-range reproduction.
- Optimized Crossover Network: A newly designed crossover network focuses on directivity, creating a wider and more uniform sweet spot for an enhanced multi-channel audio experience.
- Neodymium Magnets and Non-Magnetic Frames: Both tweeters and super tweeters utilize powerful Neodymium magnets for strong magnetic force and high conductivity. All speaker unit frames are constructed from highly rigid, non-magnetic materials to prevent magnetic and electrical interference.
- Gold-Plated Brass Speaker Terminals: Large, machined gold-plated brass terminals ensure excellent conductivity and support both banana plugs and bi-wiring connections.
- Natural Cork Feet: Includes natural cork feet to provide stable placement and prevent slippage when the floor-standing speakers are positioned on various floor types, such as hardwood.
3. Setup
3.1 Unpacking
Carefully remove the speakers from their packaging. Retain all packaging materials for future transport or storage. Inspect the speakers for any signs of damage. If any damage is found, contact your dealer immediately.
3.2 Placement
Position the floor-standing speakers on a stable, level surface. For optimal stereo imaging, place the speakers equidistant from your primary listening position and at an appropriate distance from walls. Experiment with toe-in (angling the speakers slightly inward) to fine-tune the soundstage. Use the included cork feet to enhance stability and reduce unwanted vibrations.
3.3 Connections
Ensure all audio equipment (amplifier, receiver) is turned off before making any connections.
- Connect the speaker cables to the gold-plated brass terminals on the back of each speaker. Ensure correct polarity: positive (+) to positive (+) and negative (-) to negative (-).
- If using bi-wiring, connect separate speaker cables for the high-frequency (tweeter) and low-frequency (woofer) sections to your amplifier's corresponding outputs. Remove the jumper bars between the terminals if bi-wiring.
- Connect the other end of the speaker cables to the appropriate speaker output terminals on your amplifier or receiver, again observing correct polarity.
4. Operation
4.1 Basic Usage
After connecting the speakers to your amplifier, turn on your amplifier and select the desired audio source. Start with the volume at a low level and gradually increase it to a comfortable listening level. Avoid excessively high volumes to prevent damage to the speakers or your hearing.
4.2 Optimal Listening
The Denon SC-T33(M) speakers are designed to provide a wide sweet spot. However, minor adjustments to speaker placement and listening position can further enhance the audio experience. Consider the acoustics of your room, as reflective surfaces can impact sound quality.
5. Maintenance
5.1 Cleaning
To clean the speaker cabinets, use a soft, dry cloth. For stubborn marks, a slightly damp cloth can be used, followed by a dry cloth. Avoid using abrasive cleaners, solvents, or chemical sprays, as these can damage the wood finish.
5.2 Care
Keep the speakers away from direct sunlight, heat sources, and excessive moisture. Do not place heavy objects on top of the speakers. Ensure adequate ventilation around the speakers to prevent overheating, although these are passive speakers and generate minimal heat.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound from speakers | Incorrect cable connection; Amplifier not powered on or source not selected; Speaker cables damaged. | Check all speaker cable connections for correct polarity and secure fit. Ensure amplifier is on and correct input source is selected. Inspect speaker cables for damage and replace if necessary. |
| Distorted or unclear sound | Speaker cables incorrectly connected (reversed polarity); Volume too high; Source audio quality is poor. | Verify speaker cable polarity. Reduce volume to a moderate level. Test with a different audio source to rule out source quality issues. |
| One speaker not producing sound | Loose or faulty connection to one speaker; Balance setting on amplifier is off. | Check connections for the affected speaker. Adjust the balance control on your amplifier. Swap speaker cables at the amplifier to determine if the issue is with the speaker or the amplifier channel. |
7. Specifications
The following are the technical specifications for the Denon SC-T33(M) speaker system:
- Type: 3-Way, 4-Speaker, Bass-Reflex, Magnetic Shielding (EIAJ)
- Drivers:
- Woofer: 2 x 12cm Cone Type (P.P.D.D. Method)
- Tweeter: 1 x 2.5cm Soft Dome Type
- Super Tweeter: 1 x Direct Drive Type
- Maximum Input: 100W (EIAJ) / 200W (PEAK)
- Input Impedance: 6 Ohms
- Frequency Response: 40Hz – 90kHz
- Output Sound Pressure Level: 90dB (1m, 1W)
- Dimensions (W x H x D): 175 x 800 x 295 mm (per speaker)
- Weight: 14.6 kg (per speaker)
- Connectivity: Wired, Banana Plug compatible
- Mounting Type: Floor Standing
- Special Feature: Bi-amp/Bi-wiring compatible terminals
8. Warranty and Support
For warranty information and customer support, please refer to the warranty card included with your product or visit the official Denon website. Keep your proof of purchase for any warranty claims.





