ALLNIC AUDIO
L-5000 DHT LINE STAGE PREAMPLIFIER
OWNER’S MANUAL
Страница 1: ...ALLNIC AUDIO L 5000 DHT LINE STAGE PREAMPLIFIER OWNER S MANUAL ...
Страница 2: ...by its excellent operation for years to come Please read this entire manual before you connect the L 5000 DHT Line Stage Preamplifier to the other components of your system and the wall outlet 252 Magic Drive Kelowna British Columbia Canada V1V 1N2 Direct Telephone 250 862 9037 Fax 250 862 9039 email david hammertoneaudio com Website www hammertoneaudio com Information and specifications for the A...
Страница 3: ...ction Inputs Outputs Phase Switch Remote Control 6 ___________________________________________________________________ INITIAL POWER ON 8 ___________________________________________________________________ OPERATION 8 ___________________________________________________________________ TUBES 9 ___________________________________________________________________ SPECIFICATIONS 9 _____________________...
Страница 4: ...ork applying all he knows was the design of a circuit valve and transformer combination the measured results of which astounded him The purity of its square wave reproduction as perfect as anything he had ever seen from a DHT valve amplification circuit had him questioning what he was seeing Of course he tested and re tested replicated and recorded these results many times before assuring himself ...
Страница 5: ... gm low internal resistance and high mu Constant and low output impedance One of the benefits of transformer coupling is that it facilitates constant low output impedance Low output impedance is critical to the design of a good preamplifier The L 5000 DHT has a 120 ohm 120Ω constant output impedance at all frequencies In capacitor coupling C R coupling a cathode follower circuit is usually used to...
Страница 6: ... the unit When the unit is moved from a cold to a warm When the unit is moved from a cold to a warm environment allow sufficient time for any condensation to evaporate before plugging the unit into an AC connection Do not attempt any repairs Do not remove the chassis cover without specific authorization from Hammertone Audio See the notes on Location Location Location CLEANING A Chassis and glass ...
Страница 7: ...rovided you have the appropriate types of connections or adaptors The L 5000 DHT has been designed and manufactured to work most synergistically with Allnic Audio phono preamplifiers pre preamplifiers equalization and power amplification products D OUTPUTS The L 5000 DHT has three pairs of outputs Two 2 output pairs are balanced i e separate ground using XLR connectors one 1 pair is unbalanced usi...
Страница 8: ...e the meters on the front panel will illuminate the light over the line source button that is depressed will illuminate after about 40 seconds the light over the mute button will illuminate The Allnic Audio L 5000 DHT is now ready for operation At this point you can power on your stereo power amplifier or mono blocks OPERATION From this point on operation is straight forward All functions are cont...
Страница 9: ... STAGE PREAMPLIFIER Inputs Line level 5 pairs Balanced 2 Un balanced RCA 3 Outputs Balanced 2 pair 1 record Unbalanced 1 pair Input Impedance 10kΩ Balanced Unbalanced Frequency Range 20Hz 20kHz FLAT 16Hz 75kHz 3dB Voltage Gain 18dB THD 1kHz Output 0 3V 0 06 Output 1 0V 0 16 S N Ratio 90dB CCIR 1kHz Tubes 3A 110A or lower gain stage equivalents MR0 PT8 or MR0 TS8 x 2 1st gain stage 3A 109B 2 2nd ou...
Страница 10: ...balance of the original purchaser s warranty period provided as stated below no unauthorized repairs or modifications have been performed on the product Date of purchase is the date indicated on the invoice for the product issued by Hammertone Audio For the warranty to be valid a defective product must be returned to Hammertone Audio for service prior to any unauthorized attempt to repair Any repa...
Страница 11: ...11 FIGURES Figure 1 L 5000 DHT Left Side Panel View Figure 2 L 5000 DHT Rear Panel View Figure 3 L 5000 DHT Phase Switch ...
Страница 12: ...12 Figure 4 L 5000 DHT Remote Control Figure 5 L 5000 DHT Front Panel View ...
Страница 13: ...13 Figure 6 L 5000 DHT Internal Top View ...
Страница 14: ...14 52 Magic Drive Kelowna British Columbia Canada V1V 1N2 Direct Telephone 250 862 9037 Fax 250 862 9039 email david hammertoneaudio com Website www hammertoneaudio com ...
