Related Manuals for LaChapell Audio 992
Summary of Contents for LaChapell Audio 992
- Page 1 LACHAPELL AUDIO Model 992 Vacuum Tube Preamplifier for Microphones and Instruments Operati n g Manual...
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Page 2: Target Application
Always allow for plenty of ventilation around the sides and top of preamp. Unlike most 2-channel vacuum tube units, the 992 uses a total of eight tubes; this generates a lot of heat. It is also important to NOT mount this unit above other sources that generate heat such as power amplifiers or other tube gear. - Page 3 With the exception of tube replacement (see below) the user should NOT attempt to service this unit. Due to the risk of electrical shock and the presents of lethal voltages inside the chassis. Only LaChapell Audio or other highly qualified personnel are to perform maintenance and service activities.
- Page 4 Do not place the 992 in an area where there is a potential for fluids to fall, spill into or come in contact with the 992. If you notice fluids or moisture present inside the 992 DO NOT turn power on! Although there are plenty of safety measures built into the unit for the protection of the user, it is best if you contact LaChapell Audio for direction.
- Page 5 Controls the on/off power and is slave to the rear main rocker switch located on the AC PEM. NOTE: For best S/N ratio performance with 992 TLS it is assumed the input gain stage is favored more than the output stage. It is not uncommon for the input pot to be in its’ fully clockwise position before additional output gain is applied.
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Page 6: Warranty
(unless it too is switched off.) Warranty: LaChapell Audio warrants that for a period of one year after the date of delivery, the Products delivered hereunder shall perform in accordance with the written product specifications current as of the date of shipment and under normal use shall be free from defects arising from selection of material or process of manufacture.