HARMAN-KARDON SUB-TS7 (01) PDF MANUAL

HARMAN-KARDON SUB-TS7 (01) PDF SUMMARY:

What is the procedure to test the general function of the unit?

From the signal generator, connect one line level (RCA) cable to the Subwoofer Line Level Input jacks L/R on the UUT (Unit Under Test). Use a Y-cable from a mono source if necessary to connect to both inputs. Do not connect to the single, purple SUB input. Turn on the generator; adjust to 75mV, 50 Hz. Plug in the UUT; turn the power switch ON. Turn the LEVEL control full clockwise (MAX). The LED should turn from Amber to Blue (on top of UUT); immediate and vigorous bass response should be heard and felt from the port tube opening. Turn off generator, turn LEVEL control full counterclockwise (MIN), and disconnect RCA cable. Connect one pair of speaker cables to Speaker Level input terminal (IN) on UUT. Cables should be connected to an integrated amplifier fed by the signal generator. Turn on generator and adjust so that speaker level input at the amplifier is 1.6V, 50 Hz. Turn LEVEL control full clockwise. The LED should turn from Amber to Blue; immediate and vigorous bass response should be heard and felt from the port tube opening.

---

What is the procedure to test the sweep function?

Follow the steps for general unit function using a sweep generator as a signal source. Sweep the generator from 20Hz to 300Hz. Listen to the cabinet and drivers for any rattles, clicks, buzzes, or any other noises. If any unusual noises are heard, remove woofers and test.

---

What is the procedure to test the driver function?

Remove the woofer from the cabinet and detach the + and – wire clips. Check the DC resistance of the woofer; it should be 3.0 ohms ±10%. Connect a pair of speaker cables to driver terminals. Cables should be connected to an integrated amplifier fed by a signal generator. Turn on the generator and adjust so that speaker level output is 5.0V. Sweep the generator from 20Hz to 1kHz. Listen to the driver for any rubbing, buzzing, or other unusual noises.

---

What should you check if there is no sound from any of the speakers?

Check that the receiver/amplifier is on and a source is playing. Check that the powered subwoofer is plugged in and its Master Power Switch is switched on to the “•” position. Check all wires and connections between the receiver/amplifier and speakers. Make sure all wires are connected. Make sure none of the speaker wires are frayed, cut, punctured, or touching other wires. Review the proper operation of your receiver/amplifier.

---

What should you check if there is no sound coming from one speaker?

Check the “Balance” control on your receiver/amplifier. Check all wires and connections between the receiver/amplifier and speakers. Make sure all wires are connected. Make sure none of the speaker wires are frayed, cut, or punctured, and that no wires are touching each other. In Dolby Digital or DTS mode, make sure that the receiver/processor is configured so that the speaker in question is enabled. Turn off all electronics and switch the speaker in question with one of the other speakers that is working correctly. Turn everything back on, and determine whether the problem is in the same place: i.e., the speaker that was working previously now has no sound and the speaker that was not working now sounds fine; or whether it has moved: i.e., the speaker that was not working still has no sound and the speaker that was working is still fine. If the problem is in the same place, the source of the problem is most likely with your receiver or amplifier, and you should consult the owner’s manual for that product for further information. If the problem has followed the speaker, consult your dealer for further assistance or, if that is not possible, visit the Harman Kardon website for further information.

---

What should you check if there is no sound from the center speaker?

Check all wires and connections between the receiver/amplifier and speaker. Make sure all wires are connected. Make sure none of the speaker wires are frayed, cut, punctured, or touching other wires. If your receiver/processor is set in Dolby Pro Logic mode, make sure the center speaker is not in phantom mode. If your receiver/processor is set in Dolby Digital or DTS mode, make sure the receiver/processor is configured so that the center speaker is enabled.

---

What should you check if the system plays at low volumes but shuts off as volume is increased?

Check all wires and connections between receiver/amplifier and speakers. Make sure all wires are connected. Make sure none of the speaker wires are frayed, cut, punctured, or touching other wires. If more than one pair of main speakers is being used, check the minimum impedance requirements of your receiver/amplifier.

---

What should you check if there is low (or no) bass output?

Make sure the SUB or Line-Level Inputs of the subwoofer and SUB or LFE output of your receiver or amplifier are properly connected by the RCA-type interconnect cable. If you are using the Subwoofer’s Speaker-Level Inputs, check your speaker cables to make sure they are all connected; that none of the wires are frayed, cut, punctured, or touching other wires; and that you have maintained the correct polarity by connecting positive terminals to positive terminals, and negative terminals to negative terminals. Make sure the subwoofer is plugged into an active electrical outlet and its Master Power Switch is switched on to the “•” position. Check the speaker setup (bass management) settings in your A/V receiver or processor to make certain that the front, center, and surround speakers are configured for “Small,” and that the subwoofer is set for “Yes” or “On.”

---

What should you check if there is no sound from the surround speakers?

Check all wires and connections between the receiver/amplifier and speakers. Make sure all wires are connected. Make sure none of the speaker wires are frayed, cut, punctured, or touching other wires. Review the proper operation of your receiver/processor and its surround sound features. Make sure the movie or TV show you are watching is recorded in a surround sound mode. If it is not, check to see whether your receiver/processor has other surround modes you may use. In Dolby Digital or DTS mode, make sure your receiver/processor is configured so that the surround speakers are enabled. Review the operation of your DVD player and the jacket of your DVD to make sure that the DVD features the desired Dolby Digital or DTS mode, and that you have properly selected that mode using both the DVD player’s menu and the DVD disc’s menu.

---

How do you use the Subwoofer-Level Control?

The volume may be adjusted using the Subwoofer-Level Control. Turn the control clockwise to increase the subwoofer volume, or counterclockwise to decrease it.

---

How does the High-Cut (Low-Pass) Filter Switch work?

Placing the switch in the ON position activates circuitry that cuts out all audio input signals above 120Hz. This allows the Subwoofer to focus its power on reproducing the low-frequency portion of the signal, avoiding inefficiency and distortion. Engage this filter when using the Speaker-Level Inputs, or when using the Line-Level Full-Range Inputs, unless your receiver or processor processes its line-level output using a low-pass filter. The filter has no effect when the SUB Input is used.

---

How does the Music-Sense On/Off Switch work?

When placed in the AUTO position, and when the Master Power Switch is turned on, the Subwoofer will automatically turn itself on or place itself in the Standby mode, depending on whether it is receiving an audio signal. When this switch is placed in the ON position, the Subwoofer will remain on, whether or not it is receiving an audio signal.

---

What do the LED colors on the Subwoofer indicate?

An LED located on top of the Subwoofer indicates whether the Subwoofer is in the ON or STANDBY state when used with the Music-Sense On/Off Switch in the AUTO position. The LED is lit blue to indicate that the Subwoofer is receiving an audio signal and is turned on, and the LED is lit amber to indicate that no signal is being received and the Subwoofer is in Standby mode. When the Music-Sense On/Off Switch is in the ON position, the LED will be lit blue, whether or not an audio signal is present. When the Master Power Switch is turned off, the LED goes dark, no matter which position the Music-Sense On/Off Switch is in.

---

How does the Phase Switch work?

This switch determines whether the subwoofer’s piston-like action moves in and out in phase with the main speakers. If the speakers were to play out of phase, the sound waves produced by the subwoofer would be canceled out, reducing bass response. This phenomenon depends in part on the relative placement of the speakers in the room. In most cases, the Phase Switch should be left in the NORMAL position. However, it does no harm to experiment with the Phase Switch, and you may leave it in the position that maximizes bass response.

---

When should you use the Line-Level Subwoofer (SUB) Input?

Connect the subwoofer output of a receiver with digital surround sound decoding, such as Dolby Digital or DTS, to this input. This input bypasses the Subwoofer’s internal crossover circuitry and should only be used with a filtered signal.

---

When should you use the Line-Level Full-Range Inputs?

Connect the line-level subwoofer output or preamp output(s) of your receiver or amplifier to these inputs. If your receiver does not have a separate subwoofer output, use a Y-adapter (not supplied) to bridge the receiver’s preamp output to the main amp input for that channel, and connect the long end of the adapter to the corresponding line-level input on the Subwoofer. If your receiver has only a single subwoofer output, you may connect it to either the left or right line-level input on the Subwoofer, and no Y-adapter is needed.

---

How should you connect the Speaker-Level Outputs?

If you are using the Speaker-Level Inputs on the Subwoofer, you should connect these binding-post terminals to the front left and right speakers, remembering to maintain polarity by connecting the (+) terminal on the subwoofer to the (+) terminal on the speaker, and the (–) terminal on the subwoofer to the (–) terminal on the speaker. If you are not using the Speaker-Level Inputs, then connect your front left and right speakers directly to your receiver or amplifier.

---

How should you connect the Speaker-Level Inputs?

Connect these binding-post terminals to the main left and right speaker terminals of your receiver or amplifier, if your receiver or amplifier does not have a line-level subwoofer output. Remember to maintain polarity by connecting the (+) terminal on the receiver/amplifier to the (+) terminal on the subwoofer, and the (–) terminal on the receiver/amplifier to the (–) terminal on the subwoofer.

---

How do you use the Master Power Switch?

Place this switch in the “•” position to power-on the subwoofer. The Subwoofer will then be either in the Standby mode or completely on, depending on the position of the Music-Sense On/Off Switch.

---

Where should you plug in the AC Power Cord?

Make sure to plug this cord into an active, unswitched electrical outlet for proper operation of the Subwoofer. The cord should not be plugged into the accessory outlets found on some audio components.

---

How should you connect the subwoofer for Dolby Digital or DTS connections?

Use the line-level input jack marked SUB for the Low-Frequency Effects channel. Connect this jack to the subwoofer output or LFE output on your receiver or amplifier. Connect each speaker to the corresponding speaker terminals on your receiver or amplifier. Make sure you’ve configured your surround sound processor for “Subwoofer On.” The front left, front right, center, and surround speakers should all be set to “Small.” When all connections have been made, plug the AC power cord on the subwoofer into an AC outlet.

---

How should you connect the subwoofer for Dolby Pro Logic (Non-Digital) – Line Level?

Use the supplied RCA-type interconnect cable to connect the line-level subwoofer output on your receiver or amplifier to either the left or right Line-Level Full-Range Input on the subwoofer. Use both the left and right inputs on the subwoofer if your receiver or processor has both left and right line-level outputs. In that case, you will need to supply a second interconnect cable. If your receiver is equipped with line-level outputs but does not have a separate subwoofer output, use a Y-adapter (not supplied) to bridge the receiver’s preamp output to the main amp input for that channel, and connect the long end of the adapter to the corresponding line-level input on the Subwoofer. Do not use the SUB Input on the subwoofer with Dolby Pro Logic processors. If your receiver/processor has a built-in low-pass-crossover filter for the subwoofer output, you may use the SUB Input to bypass the subwoofer’s internal crossover. Connect each speaker to the corresponding speaker terminals on your receiver or amplifier. Make sure that you have configured your surround sound processor for “Subwoofer On.” The front left, front right, center and surround speakers should all be set to “Small.” When all connections have been made, plug the AC power cord on the subwoofer into an AC outlet.

---

How should you connect the subwoofer for Dolby Pro Logic (Non-Digital) – Speaker Level?

Connect your receiver or amplifier’s front left and right speaker terminals to the left and right Speaker-Level Input terminals on the Subwoofer that are marked “High Level In.” Connect the left and right Speaker-Level Output terminals on the Subwoofer that are marked “High Level Out” to the corresponding terminals on the back of your front left and right speakers. Connect your receiver or amplifier’s center and surround speaker terminals to the corresponding terminals on the back of your center and surround speakers. When all connections have been made, plug the AC power cord on the subwoofer into an AC outlet.

---

How do you operate the subwoofer?

Move the Master Power Switch (marked Power) to the “•” (On) position. The Subwoofer will automatically turn itself on or go into Standby mode, depending on whether or not a signal is being sent to it by your receiver or surround processor, and provided that the Music-Sense On/Off Switch is moved down so that it is in the AUTO position. When your receiver or amplifier is off, or is not sending program material to the subwoofer, the subwoofer will be in Standby mode, and the LED Indicator on the top of the subwoofer will turn amber. When the subwoofer senses an audio signal, it will automatically turn itself on, and the LED Indicator will turn blue. If the subwoofer does not sense a signal after approximately twenty minutes, it will automatically go into Standby mode.

---

How do you keep the subwoofer on at all times?

When the Music-Sense On/Off Switch is switched to the ON position, the subwoofer will remain on, whether or not program material is playing, and the LED Indicator will remain lit blue.

---

What should you do if the subwoofer will not be used for an extended period?

If you’ll be away from home for an extended period of time, or if the subwoofer will not be used, switch the Master Power Switch to the OFF position.

---

How do you adjust the volume of the subwoofer?

Volume can be adjusted using the Subwoofer-Level Control. Turn the control knob clockwise to increase the volume of the subwoofer, and counterclockwise to decrease the subwoofer’s volume.

---

How do you adjust the bass response of the subwoofer?

In addition to the volume adjustments, the Subwoofer includes a Phase Switch and a Filter Switch that can be used to adjust the bass response to suit your listening environment or taste. In most situations, the Phase Switch should be left in the NORMAL position. If you suspect that the subwoofer is playing out of phase with the other speakers, which would tend to diminish bass response, try placing this switch in the REVERSE position. There is no harm in experimenting, and you may return the switch to the NORMAL position at any time. If you rearrange your room and reposition the speakers, it would be a good idea to check whether they are in phase by flipping this switch.

---

How does the High-Cut (Low-Pass) Filter Switch affect the subwoofer?

The High-Cut (Low-Pass) Filter Switch limits the frequencies of the audio signal inputted to the subwoofer to the low frequencies that the subwoofer reproduces best. This allows the subwoofer to perform more efficiently, and with superior bass reproduction, minimizing distortion that might occur if the subwoofer attempted to reproduce higher frequencies. This switch should be left in the ON position, except when the SUB Input is being used, in which case it has no effect, or when the Speaker-Level Inputs or the Line-Level Full-Range Inputs are being used with a crossover or filter aboard the receiver or processor. In these two circumstances, place the switch in the OFF position.