These preamps are modified versions of the Roberts 720, 770, and Akai M-7/8 tube preamps found in early 1960s tape recorders.

1. •XLR balanced microphone input.
   

2. •Selectable EF86 or 12AD7 for first gain stage.
   

3. •Critical capacitors replaced, tone control in circuit.
   

4. •New face plate design.
   

5. •Custom metal enclosure, rack ears (not shown).
   

6. •Detachable power cable.
   

7. •Optional xfmr balanced output.
   $629 Cdn                  Click here for more information

Vintage design high voltage audio preamps for recording studios and live performance. 

Contact: tubes@vintageaudio.org