ALLNIC AUDIO H-7000 Owner's Manual
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ALLNIC AUDIO H-7000 Owner's Manual

Phono stage preamplifier
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ALLNIC AUDIO
H-7000 / H-7000V PHONO STAGE PREAMPLIFIER
OWNER'S MANUAL

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Summary of Contents for ALLNIC AUDIO H-7000

  • Page 1 ALLNIC AUDIO H-7000 / H-7000V PHONO STAGE PREAMPLIFIER OWNER’S MANUAL...
  • Page 2 Please read this entire manual before you connect the H-7000 / H-7000V Phono-stage Preamplifier to the other components of your system and the wall outlet.

  • Page 3: Table Of Contents

    Without MUTE, the sound accompanying switching from one input to another could be amplified to a level potentially damaging to some loudspeakers. Please read about SAFETY before you attempt to use the H-7000 / H-7000V - we care about our customers and the equipment, and we want you to enjoy this product for a long time!

  • Page 4: Introducing The H-7000 / H-7000V Phono-Stage Preamplifier

    INTRODUCING THE H-7000 / H-7000V PHONO-STAGE PREAMPLIFIER The two versions of the H-7000 are Allnic Audio’s second from the top of the line phono-stage preamplifier model. Each version comes in two colors, silver or black, and with two different moving coil (MC) input configurations, depending on your order specification.
  • Page 5 • No negative feedback design with only two gain stages • For superior signal to noise ratios, the H-7000 / H-7000V is equipped with pure vacuum tube, high speed, automatic voltage regulation for each channel and a power supply unit separate from the phono stage itself.

  • Page 6: What's In The Box

    We advise that you keep the boxes and other packing materials that your H-7000 / H-7000V came in. It will be useful if you sell your H-7000 / H-7000V, or in the unlikely event you need to ship it or the power supply for service.

  • Page 7: Cleaning

    LOCATION, LOCATION, LOCATION Like all audio products using tubes, the Allnic Audio H-7000 / H-7000V and its power supply need to be placed on a solid stand in a location that provides good air circulation around both the phono stage and the power supply.

  • Page 8: Power Connections

    INPUTS For all versions of the H-7000 / H-7000V, there are two (2) sets of two (2) pairs of single-ended (RCA) inputs. These two pairs are located in the middle of the rear of the phono stage (See Figure 4) and labeled “input” in the middle above them.

  • Page 9: Moving Coil (Mc) Step-Up Transformer Controls

    MC cartridge. Regardless of which version of the H-7000 / H-7000V you have, you will need to experiment to find the “sweet spot” combination for each MC cartridge because even the cables from your cartridge to the tonearm, your...
  • Page 10 Controlling MC impedance on the H-7000 / H-7000V WITHOUT the internal electronic (active) head-amp On these versions of the H-7000 / H-7000V, both the MC1 and the MC2 input pairs are connected to the step- up transformers, and the impedance control is located at the rear of the top plate of the chassis (see Figures 9 and 10).

  • Page 11: A Note On Phase

    • To turn on the H-7000 / H-7000V, press in the button switch on the front of the power supply marked with on and off icons (see Figure 2). Of course, the off position is the reverse, pressing the button again so it is returned to the...

  • Page 12: Operation

    When you are finished listening, turn off your power amplifier(s); then turn off your preamplifier and then turn off the H-7000 / H-7000V last by pressing the on-off switch on the front panel of the power supply so it returns to the out position.

  • Page 13: Specifications

    Allnic Audio or its authorized representative. Allnic Audio and its authorized representatives are not liable in any way whatsoever for any injury or loss incurred by the user or for damage to the H-7000 / H- 7000V, any of its parts, or tubes or replacement tubes resulting from the user changing or attempting to change tubes.

  • Page 15: Figures

    Date of purchase is the date indicated on the invoice for the product issued by Allnic Audio or its authorized representative. For the warranty to be valid, a defective product must be returned to Allnic Audio’s authorized representative for service prior to any unauthorized attempt to repair. Any repair work on an Allnic Audio product not specifically authorized by Allnic Audio or its authorized representative will void the warranty on the product.
  • Page 16 FIGURE 2: Power Supply – Front View...
  • Page 17 FIGURE 3: H-7000 / H-7000V Front View FIGURE 4: H-7000 / H-7000V Rear View...
  • Page 18 FIGURE 5: H-7000 Top View...
  • Page 19 FIGURE 6: H-7000V Top View...
  • Page 20 FIGURE 7: H-7000 WITH Internal Electronic (Active) Head-amp Top View...
  • Page 21 FIGURE 8: H-7000V WITH Internal Electronic (Active) Head-amp Top View...
  • Page 22 FIGURE 9: H-7000 / H-7000V Step-up Transformer Gain Controls FIGURE 10: H-7000V EQ Controls...
  • Page 23 FIGURE 11: H-7000 / H-7000V WITH Internal Electronic (Active) Head-Amp –Interior View – Bottom Plate Removed Plug-in Resistor Locations...

  • Page 24: Tables

    29 ohms Turn Ratio of Step-up Transformer Secondary Load Resistor Table 2: Impedance Combination Table H-7000 / H-7000V WITH internal electronic (active) head-amp – MC2 ONLY 1 / 13 1 / 20 1 / 26 1 / 40 T / R...
  • Page 25 Table 3: H-7000V Some Common Equalization Settings RECORD LABEL TURN-OVER ROLL-OFF HMV, EMI-ANGEL, 500Hz -16dB (Sometimes -13.7dB) WESTMINSTER, EPIC, & COLUMBIA (Early versions 250Hz) (Early versions 0dB) 500Hz -11dB DECCA *Early ffrr 700Hz -11dB L'OISEAU-LYRE 500Hz -13.7dB ARGO, RCA (New Orthophonic), & BRUNSWICK (RIAA) 700Hz...

This manual is also suitable for:

H-7000v

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