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CONGRATULATIONS
FEATURES / SPECIFICATIONS
INSTALLATION
WIRING
POWER / GROUND
CONNECTIONS
CONNECTIONS (cont.)
INPUTS / CONNECTIONS
INPUTS
C O N T E N T S
(click on a topic to view)
ENDPANEL LAYOUT
ENDPANEL LAYOUT (cont.)
TROUBLESHOOTING
TROUBLESHOOTING (cont.)
TROUBLESHOOTING (cont.)
TROUBLESHOOTING (cont.)
SYSTEM DIAGRAM 1 / 2
BLOCK DIAGRAM
WARRANTY
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Summary of Contents for Precision Power TD 1250
- Page 1 C O N T E N T S (click on a topic to view) CONGRATULATIONS ENDPANEL LAYOUT FEATURES / SPECIFICATIONS ENDPANEL LAYOUT (cont.) INSTALLATION TROUBLESHOOTING WIRING TROUBLESHOOTING (cont.) POWER / GROUND TROUBLESHOOTING (cont.) CONNECTIONS TROUBLESHOOTING (cont.) CONNECTIONS (cont.) SYSTEM DIAGRAM 1 / 2 INPUTS / CONNECTIONS BLOCK DIAGRAM INPUTS...
- Page 2 Thank you for choosing TUBE DRIVER. Tube Drivers musicality and absolute sonic transparency allow accurate reproduction of recorded music enabling you to hear as well as feel the music the way the artist intended. These handcrafted amplifiers feature full differential “front ends”...
- Page 3 Fully regulated adaptive MosFET power supply Balanced Mini-Din Input High Voltage Input Capability with Input Attenuation Switch Gold Plated RCA Input connectors Three Year Warranty when installed by an Authorized TD dealer Completely Designed and Handcrafted in the USA S p e c i f i c a t i o n s Power Bandwidth: 5 Hz -50 KHz Total Harmonic Distortion:...
- Page 4 To o l s / P a r t s N e e d e d f o r I n s t a l l a t i o n (not supplied) Small flat blade screwdriver Phillips screwdriver (#2 or medium sized) Wire cutters Wire strippers 4 –...
- Page 5 P o w e r W i r e C a l c u l a t o r Recommended MINIMUM Gauge Total Current Draw Length of Wire to Run (in Feet) (in Amps) < 3 4 - 7 7 - 10 10 - 13 13-16 16-19 19-22 22-28...
- Page 6 W a r n i n g ! To prevent a short to ground, disconnect the negative (-) terminal of the system’s battery before you begin. If the power cable shorts to ground, current will continue to flow until the short is opened, the main fuse blows, the battery explodes, or the wire melts.
- Page 7 S p e a k e r C o n n e c t i o n s Follow these simple instructions and refer to the diagram below to make your speaker connections: • Using at least 16 gauge wire, run wire from the speakers to the amplifier(s) using the same precautions that you followed for running the power, ground, and remote wires •...
- Page 8 B r i d g i n g All multi-channel TUBE DRIV E RS are capable of being bridged into a 4- Ohm mono output without switches or bridging modules. Your new Model 1250 is a mono (single channel) amplifier. It cannot be bridged.
- Page 9 I n p u t J a c k s The TUBE DRIVER includes both RCA and Mini-Din (balanced) inputs. The supplied RCA connections allow you to use T UBE DR IVER with other brands of audio gear. Our Differential RCA inputs provide a dramatic improvement in noise reduction over standard RCA input types.
- Page 10 I n p u t G a i n C o n t r o l There is an Input Gain Control located on the end panel under the RCA input jacks. This is not a volume control! This control matches the output signal voltage of the source unit to the amplifier inputs.
- Page 11 P o w e r S i d e 1. POWER A red light indicates that the amplifiier is turned on (After warm-up sequence). 2. WARM UP A red light indicated that the tubes are warming up. (Refer to Pg. 4; Remote Turn-on) 3.
- Page 12 I n p u t / C o n t r o l S i d e 1. SPEAKER OUTPUTS / REMOTE (Turn-on) After connecting remote and speaker wires plug in the connector here. 2. GAIN Use this control to match the output level of the head unit to the outputs of the amplifier. 3.
- Page 13 N o S o u n d WARM Do you have 12V at the amplifier’s The warm up cycle can take up to connections? 40 sec., Is there sound after that? You’re done Does the amp Check all Is there remote (REM) connections.
- Page 14 N o S o u n d i n O n e C h a n n e l Check the pre-amp (RCA/Mini-Din) cables for open connections and make corrections. Did you find open connections? Reverse the left and right inputs. You’re done SOUND IS NOW IN...
- Page 15 N o i s e s W h i l e t h e E n g i n e i s O n A l t e r n a t o r w h i n e : This noise changes in frequency with engine RPM.
- Page 16 N o i s e s W h i l e t h e E n g i n e i s O n o r O f f S y s t e m h i s s : System hiss is a white noise that occurs even when the engine is off.
- Page 17 BACK TO CONTENTS...
- Page 18 INPUT ATTENUATION BACK TO CONTENTS...
- Page 19 Three-Year Limited U.S.A. Warranty This warranty gives you specific legal rights, and you may also have other rights which vary from state to state. TUBE DRIVER warrants its products to be free from defects in materials and workmanship under normal use and service for a period of three (3) years from the date of original purchase when the unit is installed by an Authorized Dealer.
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