Free Shipping on every single order. Period.

LaChapell Audio 992EG Preamp, Vacuum Tube Ext Gain

Sale price
Regular price
You save
$201 (5%)

Free Shipping on every single order. Period.

High demand, ships in 11-20 business days
American Express
Apple Pay
Diners Club
Meta Pay
Google Pay
Shop Pay
Important Shipping Details

Due to fluctuations in demand and stock availability, lead times for products marked as "In stock and ready for shipping" are subject to change. In general, products will fit into one of these 3 categories:

- Most products are in stock and ready to ship

- Some may take anywhere from 11-20 days to ship

- Very few will take 30+ days to ship due to backorder

- Shipping is always FREE regardless of the lead time

Please review our Shipping Policy here or contact

Frequently Bought Together

Free Shipping

on every single order

Fast Delivery

domestic orders

All Star Service

we're here for you

Price Matching

match our competitors


The LaChapell Audio Model 992 is a two channel fully balanced all-tube preamplifier and instrument input amplifier. Utilizing eight vacuum tubes promises that the 992 provides warm melodic character and rich low-end response. The powerful preamp also features a high level on control over both the input and output stages, allowing the user to trottle gain in or out of either the input stage or the output stage by way of fully variable potentiometers.

The input stage includes one of Jensen's best microphone input transformers; the JT-115k along with two 12AX7/ECC83 vacuum tubes per channel which allows >74dB of raw interanl gain. The output stage features a cross-couples push-pull topology which includes two 12AU7 tubes in parallel with the Jensen JT-11BM line output transformer to balance the outputs.


  • Amplifier isolated VU meters
  • Eight dual triode vacuum tubes
  • Fully variable Input-Output control
  • Balanced circuitry throughout
  • Hi-Z instrument input
  • Premium tubes, components
  • Individual channel mute function
  • High grade aluminum construction w/ chip resistant powder coating


  • Internal Gains: >74
  • THD+N: 0.25% (Variable)
  • Frequency Response: 10hz to 100Khz
  • Max Output (1% THD+N): +24dbu
  • RMS Noise: -91dbu
  • Typical EIN: -125
  • Input Inpedence: 1.5Kohm
  • Tube Compliment: 12AX7/ECC83 (x4), 23AU7/6189 (x4)
  • New Weight: 26lbs

Recommended for You

Shop by Application

House of Worship

Meeting Rooms

Home/Studio Recording