Vintage tube amplifier / preamp chassis pulled from an Akai M7 / Roberts 770 style reel-to-reel tape recorder.


Highly sought after for DIY tube preamp and guitar amp builds.


CONDITION:

- Untested, sold AS-IS

- Incomplete (see photos)

- Includes original transformer and Micronta VU meter

- Tubes not included / unknown

- Cosmetic wear consistent with age

- Wiring appears original, may need restoration


FEATURES:

- Classic 1960s tube design

- Known for warm, vintage tube tone

- Popular for EF86 / 12AX7 preamp conversions

- Great for studio or guitar amp projects


NOTES:

These units are commonly converted into high-end tube preamps due to their transformers and circuit design.


Please review photos carefully — what you see is exactly what is included.


Perfect for:

- Tube amp builders

- Studio DIY enthusiasts

- Vintage audio collectors


Ships securely packed.