Spectra Sonics 20 x 16 Vintage Recording Console
Beautifully restored and maintained this console was originally installed at the Grand Ole Opry in Nashville. Full documentation will be included. Originally Mono bus modified to Stereo Bus by Orphan Audio. Cabinetry and wiring are very clean. Console has been tested and is in excellent working order.
Spectrasonics 20 x 16 x 2 Split
110 Mic Pre Amplifiers
20 x M501 Parametric 2 Band EQ with HP/LP Filter
2 x M502 Parametric 3 Band EQ on stereo bus
2 x Echo Sends
Buffered and Transformer Isolated Direct Outs
3 input source select switching
16 active monitors
20 x Model 110A preamplifier cards behind the meter bridge on the input side as well as the busses. The 110A Preamplifier which implements a bi-polar design (+/- 24V Volt) was first introduced in 1971, around the time the console was built.
Triad A67J Input transformers that switch from mic/line level
Dual concentric echo pot also functions as a pan pot on the lower ring
Mic/Line switching 20 x 501 modules
There is a master bypass for each 501 EQ on the board, the top end is right around 10K and the low end is around 100 Hz.
20 x direct outs Half-normalled, and buffered, and transformer isolated with Cinemag.
Master Section
2 502 3 Band EQ’s act as a stereo EQ normal-led to the the Mix bus
High 2.5, 3.5, 5, 7.5 or 10k, +12 -12 in 2 dB steps
Mid 500, 800, 1.2, 1.6, 2.0K, +12 -12 in 2dB steps. L
Low 50, 100, 200, 300, 400 hz, +12 -12.
Hi/Lo Pass Filter
Echo send master
2 echo returns and echo return master
Echo send high pass filter with selectable 70, 100, 150, 250, 500, 1K, 2K, 3K, 5K and 7.5K
Control room level mute, dim talk back functionality.
Metering
Metering for the 2 busses, Stereo program buss and one echo send and one queue
Monitor Section
Independent Stereo Bus
2 x 501 Inductor EQs 10K and 100hz
Master fader and Echo send master.
Pre fader send, with level and pan
16 x 110A line inputs, -50, with attenuator switch. Pan and Echo Send on dual concentric pots,
Monitor Master includes:
Echo return and Queue return with pan and level
External Orphan Audio sources switching box “Mix,” “External One” and “External Two.” with talkback dimming,
Restoration work done and modifications by Ken Hirsch at Orphan Audio
Console Dimensions
Main Console 47 x 33 x 37″
Monitor/Patch-bay 84 x 33 x 37″
Producer Desk 30 x 24 x 30″
Console is wired to EDAC/Elco 56’s and easily comes apart in 2 sections