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ALLNIC AUDIO L-10000 Manual

Otl/ocl signature line-stage preamplifier
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ALLNIC AUDIO
L-10000 OTL/OCL SIGNATURE
LINE-STAGE PREAMPLIFIER
OWNER'S MANUAL

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Summary of Contents for ALLNIC AUDIO L-10000

  • Page 1 ALLNIC AUDIO L-10000 OTL/OCL SIGNATURE LINE-STAGE PREAMPLIFIER OWNER’S MANUAL...
  • Page 2 Thank you for purchasing the Allnic Audio L-10000 OTL/OCL (Output Transformer- Less/Output Capacitor-Less) Signature Line-Stage Preamplifier. We are certain your trust in Allnic Audio and its dealers worldwide, as well as your appreciation for the sound of this high-quality device, will be rewarded by its excellent operation for years to come.
  • Page 3 TUBES SPECIFICATIONS WARRANTY FIGURES Please read about SAFETY before you attempt to use the L-10000 OTL/OCL Signature Line-Stage Preamplifier - we care about our customers and the equipment, and we want you to enjoy this product for a long time!
  • Page 4 L-10000 OTL/OCL Signature preamplifier they fully reveal their inherent accuracy and beauty. The L-10000 OTL/OCL Signature preamplifier is a refined and updated version of the original L-10000 OTL/OCL. The primary differences between the Signature version and the original are that the Signature features: •...
  • Page 5 The L-10000 OTL/OCL Signature has no voice of its own, none. It is silent, except for the music emanating from the blackest of backgrounds. In addition, the stunningly realistic sonic quality is matched by the simple elegance, flexibility and ergonomic functionality of the L-10000’s casework and connection options.
  • Page 6 The L-10000 OTL/OCL does not employ a digital IC volume control or a low-cost carbon film volume control with a motor. The L-10000 OTL/OCL uses the WORLD’S FIRST 61 step, constant impedance, “bridged” type attenuator, standard on all units produced after May 2019.
  • Page 7 Allnic dealer. We advise that you keep the box and other packing materials that your L-10000 OTL/OCL came in. It will be useful if you sell your L-10000 OTL/OCL or in the unlikely event you need to ship it for service.
  • Page 8 • DO NOT cover the top of the L-10000 OTL/OCL or the tube chimneys. Make sure the unit is in a place with good ventilation. The L-10000 is about 280mm (11 inches) tall and requires at least 100mm (~ 4 inches) clearance for good air flow above it.
  • Page 9 B. POWER CONNECTION The L-10000 OTL/OCL uses a standard three prong male 15 amp IEC connection for AC input. You need to use a power cord with a female three prong 15 amp IEC connector at one end. To the left of the IEC connector (facing the left side of the unit as in Figure 1), there is a power on-off switch.
  • Page 10 Push the power on-off switch to the left of the IEC connector (facing the left side of the unit as in Figure 1) so it is in the “on position”. That will power up the L-10000 OTL/OCL. From this point on, you need only use the far left hand button marked “power”...
  • Page 11 GAIN STAGE BALANCING USING THE CURRENT METERS There is one DC balance meter for each channel on the front of the L-10000 (See Figure 4). These meters indicate the potential for DC from the output of the third gain stage tubes in the L-10000 OTL/OCL, the 300Bs.
  • Page 12 “on” position – this will keep key circuitry warm, and your L-10000 OTL/OCL will be ready to play when the soft-start turns on the L-10000 OTL/OCL next time you want to listen. Turn off your sources last.
  • Page 13 If your L-10000 exhibits reduced audio output on a channel, or if a needle falls to the extreme left or right of one or both meters and will not return to balance on powering off/on, it could indicate failure of a 300B tube or tubes.
  • Page 14 L-10000 OTL/OCL Signature or any injury or loss incurred by the user resulting from the user changing or attempting to change tubes. SPECIFICATIONS FOR THE ALLNIC AUDIO L-10000 OTL/OCL SIGNATURE LINE-STAGE PREAMPLIFIER • Inputs: Line level × 5 pairs: Balanced (XLR) ×...
  • Page 15 • Fuse: 5A 250V – 5x20mm Slow-Blow for 110/120V regions 3A 250V – 5x20mm Slow-Blow for 230/240V regions WARNING. Note that the fuse above the IEC inlet may be misprinted. Notwithstanding what may be printed above the IEC inlet, the correct rating for the fuse is 5A 250V for 110/120V regions and 3A 250V for 230/240V regions.
  • Page 16 (6) months from date of purchase. Date of purchase is the date indicated on the invoice issued by Allnic Audio or its authorized representative for original purchase of the new product. The warranty does not cover any damage occurring during product shipment at any time, nor any damage occurring as a result of any of this product’s owner’s or owners’...
  • Page 17 FIGURES Figure 1 – L-10000 OTL/OCL Left Side Panel View WARNING. Note that the fuse above the IEC inlet may be misprinted, as seen in the drawing above. Notwithstanding what may be printed above the IEC inlet, the correct rating for the fuse is 5A 250V for 110/120V regions and 3A 250V for 230/240V regions.
  • Page 18 Figure 2 – L-10000 OTL/OCL Rear Panel View Figure 3 – L-10000 OTL/OCL Remote Control...
  • Page 19 Figure 4 – L-10000 OTL/OCL Front Panel View...
  • Page 20 Figure 5 – L-10000 OTL/OCL Top View...