background image

Rear Panel Layout 

 

 

 
 

Figure 4 – Rear Panel Layout showing both single and two channel modules installed 

 

1. Channel 

THERMAL

 

LED

.  Illuminates when the channel rises above the maximum operating temperature. The 

Dreadnaught II should be powered off and cooled when this LED is lit. 

 

2. Channel 

RAIL FUSE +

 

LED

.  When this LED is illuminated, the fuse on the positive rail of the channel is blown. 

(Internal on 2 channel modules). 

 

3. 

Module

 RAIL FUSE

.  If necessary to replace, use only same type and rating. 

 

4. 

BINDING POST

.  (Single Channel module).  Connect plus and minus speaker wires for one speaker to 

appropriately marked terminals of each post.  The binding post on the single channel module will operate 
optimally using spade lugs.

 

 

5. Channel 

RAIL FUSE LED

. When this LED is illuminated, an internal fuse on the negative rail of the channel is 

blown.  (Internal on 2 channel modules).

 

 

6. 

SINGLE-ENDED 

input jack on single channel module.

 

 

7. 

STEREO/SURROUND

 buss selector switch.  Assigns the module to either the 

STEREO

 or 

SURROUND

 buss. 

 

8. 

-

 Module

 RAIL FUSE

.  If necessary to replace, use only same type and rating. 

 

9. 

BALANCED

 input jack on single channel module. 

 

10. 

POSITIVE BINDING POST

 – Channel A.  (Two channel module).  Connects to the +  (plus) speaker connector.  

The binding posts on the two channel module can accept spade lugs, banana plugs or bare wire. 

 

11. 

NEGATIVE BINDING POST

 – Channel A.  (Two channel module).  Connects to the – (minus) speaker connector. 

 

12. 

BALANCED

 input jack – Channel A of two channel module. 

 

13. 

SINGLE-ENDED 

input jack – Channel A on two channel module. 

 

14. 

POSITIVE BINDING POST

 – Channel B.  (Two channel module).  Connects to the +  (plus) speaker connector.  

The binding posts on the two channel module can accept spade lugs, banana plugs or bare wire. 

 

15. 

NEGATIVE BINDING POST

 – Channel B.  (Two channel module).  Connects to the – (minus) speaker connector. 

 

16. 

STEREO/SURROUND

 bus selector switch.  Assigns the affected module (both channels) to either the 

STEREO

 

or 

SURROUND

 buss. 

 

 

7

Содержание Dreadnaught II

Страница 1: ...THETA DIGITAL C O R P O R A T I O N Dreadnaught II Owner s Manual REV 1 02...

Страница 2: ......

Страница 3: ...in some cases Do not stack any equipment directly above or below the Dreadnaught II to protect it from overheating as well as the continued functionality of any equipment near and around it Warning Ea...

Страница 4: ...al triangle is intended to alert the user to the presence of important operating and maintenance servicing instructions in the literature accompanying the product WARNING TO REDUCE THE RISK OF FIRE OR...

Страница 5: ...ow and as upgrades and or options are installed Whenever upgrades inquiries and or changes are requested the serial number will be required SERIAL NUMBER DATE PURCHASED DEALER S NAME DEALER S ADDRESS...

Страница 6: ...CIRCUITRY BE CERTAIN NOT TO SHORT THE OUTPUT SIGNAL TO GROUND ENSURE THAT YOUR AUDIO OUTPUT CABLES DO NOT HAVE ANY INTERNAL SHORTS BEFORE CONNECTING THEM TO THE DREADNAUGHT II IF REPLACEMENT OF THE A...

Страница 7: ...nce Manual Conventions 1 IMPORTANT NOTICE 2 Dreadnaught II Block Diagram 3 Front Panel Layout 5 Front Panel Layout Rackmount Option 6 Rear Panel Layout 7 OPERATION 9 Single and Two channel Modules 9 R...

Страница 8: ...This page was intentionally left blank vii...

Страница 9: ...torture rack to test for any possible component failures It is then tested on an audio analyzer for all pertinent parameters The unit has all remaining chassis components installed and then undergoes...

Страница 10: ...the amplifier s power output may be compromised IV DO NOT remove any cover panels from the Dreadnaught II as there are no user serviceable components inside Refer servicing and updating to qualified...

Страница 11: ...Dreadnaught II Block Diagram Figure 1 Block Diagram Dreadnaught II showing single channel module 3...

Страница 12: ...Dreadnaught II Block Diagram con t Figure 2 Block Diagram Dreadnaught II showing two channel module 4...

Страница 13: ...If the surround bus is active with specific channels assigned to it they will exit the standby mode as well 2 SURROUND button Activates deactivates the SURROUND bus 3 SURROUND LED Illuminates when th...

Страница 14: ...ctivates deactivates the SURROUND bus 3 SURROUND LED Illuminates when the surround bus is active 4 THERMAL LED Illuminates when any channel s temperature rises above the maximum operating temperature...

Страница 15: ...LE ENDED input jack on single channel module 7 STEREO SURROUND buss selector switch Assigns the module to either the STEREO or SURROUND buss 8 Module RAIL FUSE If necessary to replace use only same ty...

Страница 16: ...RS232 connector See DB9 RS232 connector above 22 STANDBY REMOTE TRIGGER jack When the rear panel STANDBY TRIGGER jack receives a 5 12 VDC pulse the Dreadnaught II will change its mode from either stan...

Страница 17: ...ther the STEREO or SURROUND buss When the Dreadnaught II has more than two modules installed in it it is recommended that the front left and right channels be set to STEREO and all remaining channels...

Страница 18: ...nel fuse is open Replace with same type and rating ONLY Circuit breaker is open AC outlet Check the AC outlet circuit breaker and reset if necessary or contact your dealer No audio output STEREO SURRO...

Страница 19: ...s short as possible for best sound quality Figure 5 Examples of Typical Input and Output Connections optional connection WARNING Each channel is a balanced bridge amplifier thus the negative speaker t...

Страница 20: ...refer to page 15 or information on changing these settings All commands will follow the format Header Command Identifier Argument 1 Argument 2 Argument 3 where Header FEh E8h 254 232 Command identifie...

Страница 21: ...lifier status The RS232 can be set using a hardware jumper to automatically send changes to the RS232 port Status Byte Byte Description bit Value Description 1 Bus 0 Main bus 1 Surround bus 2 Temperat...

Страница 22: ...RS232 Hardware Connections Figure 6 Dreadnaught II RS232 Jack Pinout These are the connector drawings only The RS232 cable must be a regular RS232 or mouse extender cable wired pin for pin 14...

Страница 23: ...if the RS232 board is orientated as in figure 7 The STATUS can be returned to the controller either automatically every time a parameter has changed or the user can request it manually The factory de...

Страница 24: ...4 ohms one channel driven 450 W rated 475 W typical Stereo Module 8 ohms one to ten channels driven 100W rated 115W typical 4 ohms one channel driven 200W rated 210W typical Frequency Response 3dB poi...

Страница 25: ...17...

Страница 26: ...ice or obligation to any person 3 REMEDY In the event the above product fails to meet the warranty and the above conditions have been met the purchaser s sole remedy under the limited warranty shall b...

Отзывы: