Reference Tube Two Chassis Preamplifier The Best of the Best: The preamplifier is the two chassis version of our reference  preamplifier featuring a matching external power supply further guarantees interference-free performance.

The Reference Tube is specially designed for pure high-end audiophiles who want nothing but the best. With the use of highest quality parts and components, the Reference is simply The Best preamplifier that we have ever built.

Reference tube preamplifier features:

Custom Remote control.

Low noise tube line stage featuring (4) 6SN7 vacuum tubes.

Matching external power supply featuring (1)GZ34, (2) 6V6 and (1) 6SL7 vacuum tubes.

Rectifier with double choke filtering (two chokes are employed).

Custom EI power transformers.

Swiss made ELMA selector switches with gold-

plated contacts.

Amtrans AMRG premium carbon film resistors with gold-plated leads.

One pair of balanced and three pairs of single-ended inputs and one pair of balanced and two pairs of Single-ended outputs are installed for ease of connectivity.

Triangle Art Electronics




Input Impedance: 45,000 Ohms min,110,000 Ohms max
Output Impedance: 1,200 Ohms
Maximum Gain: 10.2 dB
Frequency Response: +/- 1 dB from 5 Hz to 120,000 Hz
Hum and Noise: -73 dB
Maximum Output Voltage before Clipping: 45 Volts
Total Harmonic Distortion:


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