NAIM NBL User Manual (English)

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NAIM NBL Specifications

General

Brand	NAIM
Model	NBL
Category	Speakers
Language	English

Summary

Introduction

Re-packing NBL

2.1 If an NBL is to be re-packed and shipped the packaging must be used correctly. Proceed as described below:

Instructions for correct re-packing and shipping of the NBL speaker system using original packaging.

Service Issues & Fault Investigation

3.1 In comparison to many components in a hi-fi system the loudspeaker is fundamentally a simple device. In any case of suspected loudspeaker failure it is important to be certain that the loudspeaker, rather than another component in the system, is actually at fault. A simple procedure of investigation by the substitution of known "good" items in the hi-fi chain should reveal the true location of any faults. Always be aware however that a faulty power amplifier may damage any loudspeaker subsequently connected to it so be sure of the amplifier before connecting a "good" loudspeaker.

Guidance on fault finding, emphasizing system checks and amplifier safety before connecting speakers.

3.2 Faults with NBL are likely to fall into one of three categories:

Categorization of common NBL faults: gross, performance, and cosmetic, and their potential causes and remedies.

NBL Disassembly and Reassembly

4.1 NBL is fundamentally simple to disassemble and reassemble and should not cause any significant problems if handled carefully and with the appropriate tools. Care in reassembly is particularly critical because the performance of an NBL is, in many respects, dependent on how it is assembled.

Overview of NBL disassembly/reassembly, stressing the importance of careful handling and correct assembly for performance.

4.2 If the need for disassembly is to enable exchange or examination of any of the parts listed below proceed as described in Sections 4.4 to 4.8

Procedure for disassembly for parts examination/exchange, referencing sections 4.4 to 4.8.

4.3 If the need for disassembly is to enable exchange or examination of any of the parts listed below proceed as described in Sections 4.9 to 4.13

Procedure for disassembly for parts examination/exchange, referencing sections 4.9 to 4.13.

4.9 Upper Component Disassembly & Reassembly.

Details for disassembling and reassembling the upper section, focusing on drivers and suspension.

4.10 To remove and replace a tweeter, proceed as described following:

Step-by-step guide for removing and replacing the tweeter assembly.

4.11 To replace a mid-range driver proceed as described following:

Step-by-step instructions for the removal and replacement of the mid-range driver.

4.4 Lower Component Disassembly & Reassembly.

Procedures for disassembling and reassembling the lower enclosure, grilles, and plinth.

4.12 Replacing the upper grille frame.

Instructions on how to remove and replace the upper grille frame if it is damaged.

4.13 Replacing or inspecting upper enclosure suspension components.

Guidance on inspecting and replacing suspension components within the upper enclosure.

4.14 Replacing the upper enclosure assembly

Detailed steps for correctly replacing the entire upper enclosure assembly into the main cabinet.

4.15 Upper enclosure alignment.

Methods for correctly aligning the upper enclosure within the main cabinet after reassembly.

Spares Availability

5.1 The following list details the spare parts and assemblies routinely available for NBL. Other parts may be available although delivery times cannot be guaranteed.

List of routinely available spare parts and assemblies for the NBL, including Naim part numbers.

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NAIM NBL User Manual

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