Riviera Labs APL1 Tube Line Preamplifier 

Highest quality manufacturing for the best result!

Built like a thank, fast as lightning, hot as embers, delicate as a flower...thrills guaranteed!

Features:
Zero Feedback
Pure “Class A”
All tube circuit
Double PI-filter, stabilized power supply
2 Balanced Inputs (Transformer coupled)
3 Unbalanced Inputs
Tape Loop (IN/OUT)
Output transformers
1 pair of balanced and 2 pair of unbalanced outputs
Remote control
Dimensions: 44×50,5×16,4h cm. Weight: 19,6 Kg.

For more info's:
https://www.rivieralabs.com/en/products/electronics/apl1/